etl/test/test_memory.cpp
Roland Reichwein 5dc682b7ff
Support for C++26 (#1375)
Includes C++26 related infrastructure macros.
Fixes compile errors when compiling under C++26.
Initially supported C++26 features:

- [[indeterminate]]
- new 2022 ISO prefixes in ratio.h
- atomic fetch_max() and fetch_min()
- is_virtual_base_of
- is_trivially_relocatable and trivially_relocate
- saturation arithmetic: add_sat, sub_sat, mul_sat, div_sat, saturate_cast
2026-04-15 15:53:29 +02:00

2985 lines
98 KiB
C++

/******************************************************************************
The MIT License(MIT)
Embedded Template Library.
https://github.com/ETLCPP/etl
https://www.etlcpp.com
Copyright(c) 2017 John Wellbelove
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files(the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions :
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
******************************************************************************/
#include "unit_test_framework.h"
#include "etl/debug_count.h"
#include "etl/endianness.h"
#include "etl/list.h"
#include "etl/memory.h"
#include "etl/span.h"
#include "data.h"
#include <algorithm>
#include <array>
#include <cstring>
#include <iterator>
#include <memory>
#include <numeric>
#include <stdint.h>
#include <string>
#include <type_traits>
#include <vector>
//***************************************************************************
/// A non-trivially-relocatable type that tracks moves and destructions.
/// Used to exercise the manual move-and-destroy path of etl::relocate.
//***************************************************************************
struct relocatable_t
{
int value;
bool was_moved_into; ///< true when this object was constructed via move
static int destructor_count;
static void reset_counts()
{
destructor_count = 0;
}
explicit relocatable_t(int v = 0)
: value(v)
, was_moved_into(false)
{
}
relocatable_t(relocatable_t&& other) ETL_NOEXCEPT
: value(other.value)
, was_moved_into(true)
{
other.value = -1; // mark source as moved-from
}
~relocatable_t()
{
++destructor_count;
}
// Non-copyable to make the intent clear.
relocatable_t(const relocatable_t&) = delete;
relocatable_t& operator=(const relocatable_t&) = delete;
relocatable_t& operator=(relocatable_t&&) = delete;
};
int relocatable_t::destructor_count = 0;
// In configurations where etl::is_nothrow_relocatable is a class template
// (non-STL builds), we must provide an explicit specialisation so that
// etl::relocate is enabled for relocatable_t. When the STL is available the
// trait is a type alias that already evaluates to true for types with a
// nothrow move constructor and a nothrow destructor, so no specialisation is
// needed (or even possible).
#if !(ETL_USING_STL && ETL_USING_CPP11)
namespace etl
{
template <>
struct is_nothrow_relocatable<relocatable_t> : public etl::true_type
{
};
} // namespace etl
#endif
namespace
{
typedef std::string non_trivial_t;
typedef uint32_t trivial_t;
typedef TestDataM<int> moveable_t;
const size_t SIZE = 10UL;
std::array<non_trivial_t, SIZE> test_data_non_trivial = {"one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten"};
std::array<trivial_t, SIZE> test_data_trivial = {0x11223344UL, 0x22334455UL, 0x33445566UL, 0x44556677UL, 0x55667788UL,
0x66778899UL, 0x778899AAUL, 0x8899AABBUL, 0x99AABBCCUL, 0xAABBCCDDUL};
non_trivial_t test_item_non_trivial("eleven");
non_trivial_t test_item_non_trivial_null("");
trivial_t test_item_trivial(0xBBCCDDEEUL);
alignas(non_trivial_t) unsigned char buffer_non_trivial[sizeof(non_trivial_t) * SIZE];
alignas(trivial_t) unsigned char buffer_trivial[sizeof(trivial_t) * SIZE];
alignas(moveable_t) unsigned char buffer_moveable[sizeof(moveable_t) * SIZE];
non_trivial_t* output_non_trivial = reinterpret_cast<non_trivial_t*>(buffer_non_trivial);
trivial_t* output_trivial = reinterpret_cast<trivial_t*>(buffer_trivial);
moveable_t* output_moveable = reinterpret_cast<moveable_t*>(buffer_moveable);
struct overloaded
{
overloaded* operator&()
{
return nullptr;
}
};
//***********************************
template <typename T>
struct NoDelete
{
NoDelete() {}
void operator()(T*) const {}
};
//***********************************
template <typename T>
struct NoDelete<T[]>
{
NoDelete() {}
template <class U>
void operator()(U* /*p*/) const
{
}
};
} // namespace
namespace
{
SUITE(test_memory)
{
//*************************************************************************
TEST(test_addressof)
{
int i;
CHECK(&i == etl::addressof(i));
overloaded ol;
CHECK(&ol != etl::addressof(ol));
CHECK(reinterpret_cast<overloaded*>(&reinterpret_cast<char&>(ol)) == etl::addressof(ol));
}
//*************************************************************************
TEST(test_create_destroy_trivial)
{
char n[sizeof(trivial_t)];
trivial_t* pn = reinterpret_cast<trivial_t*>(n);
// Non count.
std::fill(std::begin(n), std::end(n), 0xFFU);
etl::create_default_at(pn);
CHECK_EQUAL(0xFFFFFFFFUL, *pn);
etl::destroy_at(pn);
CHECK_EQUAL(0xFFFFFFFFUL, *pn);
std::fill(std::begin(n), std::end(n), 0xFFU);
etl::create_value_at(pn);
CHECK_EQUAL(0x00000000UL, *pn);
etl::destroy_at(pn);
CHECK_EQUAL(0x00000000UL, *pn);
std::fill(std::begin(n), std::end(n), 0xFFU);
etl::create_copy_at(pn, test_item_trivial);
CHECK_EQUAL(test_item_trivial, *pn);
etl::destroy_at(pn);
CHECK_EQUAL(test_item_trivial, *pn);
// Count.
size_t count = 0UL;
std::fill(std::begin(n), std::end(n), 0xFFU);
etl::create_default_at(pn, count);
CHECK_EQUAL(0xFFFFFFFFUL, *pn);
CHECK_EQUAL(1U, count);
etl::destroy_at(pn, count);
CHECK_EQUAL(0xFFFFFFFFUL, *pn);
CHECK_EQUAL(0U, count);
std::fill(std::begin(n), std::end(n), 0xFFU);
etl::create_value_at(pn, count);
CHECK_EQUAL(0x00000000UL, *pn);
CHECK_EQUAL(1U, count);
etl::destroy_at(pn, count);
CHECK_EQUAL(0x00000000UL, *pn);
CHECK_EQUAL(0U, count);
std::fill(std::begin(n), std::end(n), 0xFFU);
etl::create_copy_at(pn, test_item_trivial, count);
CHECK_EQUAL(test_item_trivial, *pn);
CHECK_EQUAL(1U, count);
etl::destroy_at(pn, count);
CHECK_EQUAL(test_item_trivial, *pn);
CHECK_EQUAL(0U, count);
}
//*************************************************************************
TEST(test_create_destroy_non_trivial)
{
alignas(non_trivial_t) unsigned char n[sizeof(non_trivial_t)];
non_trivial_t* pn = reinterpret_cast<non_trivial_t*>(n);
// Non count.
std::fill(std::begin(n), std::end(n), 0xFFU);
etl::create_default_at(pn);
CHECK_EQUAL(test_item_non_trivial_null, *pn);
etl::destroy_at(pn);
std::fill(std::begin(n), std::end(n), 0xFFU);
etl::create_value_at(pn);
CHECK_EQUAL(test_item_non_trivial_null, *pn);
etl::destroy_at(pn);
std::fill(std::begin(n), std::end(n), 0xFFU);
etl::create_copy_at(pn, test_item_non_trivial);
CHECK_EQUAL(test_item_non_trivial, *pn);
etl::destroy_at(pn);
// Count.
size_t count = 0UL;
std::fill(std::begin(n), std::end(n), 0xFFU);
etl::create_default_at(pn, count);
CHECK_EQUAL(test_item_non_trivial_null, *pn);
CHECK_EQUAL(1U, count);
etl::destroy_at(pn, count);
CHECK_EQUAL(0U, count);
count = 0;
std::fill(std::begin(n), std::end(n), 0xFFU);
etl::create_value_at(pn, count);
CHECK_EQUAL(test_item_non_trivial_null, *pn);
CHECK_EQUAL(1U, count);
etl::destroy_at(pn, count);
CHECK_EQUAL(0U, count);
count = 0;
std::fill(std::begin(n), std::end(n), 0xFFU);
etl::create_copy_at(pn, test_item_non_trivial, count);
CHECK_EQUAL(test_item_non_trivial, *pn);
CHECK_EQUAL(1U, count);
etl::destroy_at(pn, count);
CHECK_EQUAL(0U, count);
}
//*************************************************************************
TEST(test_construct_destroy_trivial)
{
char n[sizeof(trivial_t)];
trivial_t* pn = reinterpret_cast<trivial_t*>(n);
// Non count.
std::fill(std::begin(n), std::end(n), 0xFFU);
etl::construct_at(pn);
CHECK_EQUAL(0UL, *pn);
etl::destroy_at(pn);
CHECK_EQUAL(0UL, *pn);
std::fill(std::begin(n), std::end(n), 0xFFU);
etl::construct_at(pn);
CHECK_EQUAL(0x00000000UL, *pn);
etl::destroy_at(pn);
CHECK_EQUAL(0x00000000UL, *pn);
std::fill(std::begin(n), std::end(n), 0xFFU);
etl::construct_at(pn, test_item_trivial);
CHECK_EQUAL(test_item_trivial, *pn);
etl::destroy_at(pn);
CHECK_EQUAL(test_item_trivial, *pn);
}
//*************************************************************************
TEST(test_uninitialized_fill_n_trivial)
{
// Also tests uninitialized_fill.
// Non count.
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0);
etl::uninitialized_fill_n(p, SIZE, test_item_trivial);
trivial_t* result;
result = std::find_if_not(output_trivial, output_trivial + SIZE, [](trivial_t i) { return i == test_item_trivial; });
CHECK(result == output_trivial + SIZE);
etl::destroy(p, p + SIZE);
// Count.
size_t count = 0UL;
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0);
etl::uninitialized_fill_n(p, SIZE, test_item_trivial, count);
result = std::find_if_not(output_trivial, output_trivial + SIZE, [](trivial_t i) { return i == test_item_trivial; });
CHECK(result == output_trivial + SIZE);
CHECK_EQUAL(SIZE, count);
etl::destroy(p, p + SIZE, count);
CHECK_EQUAL(0U, count);
}
//*************************************************************************
TEST(test_uninitialized_fill_n_non_trivial)
{
// Also tests uninitialized_fill.
// Non count.
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer_non_trivial);
std::fill(std::begin(buffer_non_trivial), std::end(buffer_non_trivial), 0);
etl::uninitialized_fill_n(p, SIZE, test_item_non_trivial);
non_trivial_t* result;
result = std::find_if_not(output_non_trivial, output_non_trivial + SIZE, [](const non_trivial_t& i) { return i == test_item_non_trivial; });
CHECK(result == output_non_trivial + SIZE);
etl::destroy(p, p + SIZE);
// Count.
size_t count = 0UL;
std::fill(std::begin(buffer_non_trivial), std::end(buffer_non_trivial), 0);
etl::uninitialized_fill_n(p, SIZE, test_item_non_trivial, count);
result = std::find_if_not(output_non_trivial, output_non_trivial + SIZE, [](non_trivial_t i) { return i == test_item_non_trivial; });
CHECK(result == output_non_trivial + SIZE);
CHECK_EQUAL(SIZE, count);
etl::destroy(p, p + SIZE, count);
CHECK_EQUAL(0U, count);
}
//*************************************************************************
TEST(test_uninitialized_copy_n_trivial)
{
// Also tests uninitialized_copy.
bool is_equal;
// Non count.
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0);
etl::uninitialized_copy_n(test_data_trivial.begin(), SIZE, p);
is_equal = std::equal(output_trivial, output_trivial + SIZE, test_data_trivial.begin());
CHECK(is_equal);
etl::destroy(p, p + SIZE);
// Count.
size_t count = 0UL;
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0);
etl::uninitialized_copy_n(test_data_trivial.begin(), SIZE, p, count);
is_equal = std::equal(output_trivial, output_trivial + SIZE, test_data_trivial.begin());
CHECK(is_equal);
CHECK_EQUAL(SIZE, count);
etl::destroy(p, p + SIZE, count);
CHECK_EQUAL(0U, count);
}
//*************************************************************************
TEST(test_uninitialized_copy_n_non_trivial)
{
// Also tests uninitialized_copy.
bool is_equal;
// Non count.
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer_non_trivial);
std::fill(std::begin(buffer_non_trivial), std::end(buffer_non_trivial), 0);
etl::uninitialized_copy_n(test_data_non_trivial.begin(), SIZE, p);
is_equal = std::equal(output_non_trivial, output_non_trivial + SIZE, test_data_non_trivial.begin());
CHECK(is_equal);
etl::destroy(p, p + SIZE);
// Count.
size_t count = 0UL;
std::fill(std::begin(buffer_non_trivial), std::end(buffer_non_trivial), 0);
etl::uninitialized_copy_n(test_data_non_trivial.begin(), SIZE, p, count);
is_equal = std::equal(output_non_trivial, output_non_trivial + SIZE, test_data_non_trivial.begin());
CHECK(is_equal);
CHECK_EQUAL(SIZE, count);
etl::destroy(p, p + SIZE, count);
CHECK_EQUAL(0U, count);
}
//*************************************************************************
TEST(test_uninitialized_move)
{
bool is_equal;
// Non count.
moveable_t* p = reinterpret_cast<moveable_t*>(buffer_moveable);
std::fill(std::begin(buffer_moveable), std::end(buffer_moveable), 0);
{
std::array<moveable_t, SIZE> test_data_moveable = {moveable_t(0), moveable_t(1), moveable_t(2), moveable_t(3), moveable_t(4),
moveable_t(5), moveable_t(6), moveable_t(7), moveable_t(8), moveable_t(9)};
etl::uninitialized_move(test_data_moveable.begin(), test_data_moveable.end(), p);
}
is_equal = (output_moveable[0] == moveable_t(0)) && (output_moveable[1] == moveable_t(1)) && (output_moveable[2] == moveable_t(2))
&& (output_moveable[3] == moveable_t(3)) && (output_moveable[4] == moveable_t(4)) && (output_moveable[5] == moveable_t(5))
&& (output_moveable[6] == moveable_t(6)) && (output_moveable[7] == moveable_t(7)) && (output_moveable[8] == moveable_t(8))
&& (output_moveable[9] == moveable_t(9));
CHECK(is_equal);
etl::destroy(p, p + SIZE);
// Count.
size_t count = 0UL;
std::fill(std::begin(buffer_moveable), std::end(buffer_moveable), 0);
{
std::array<moveable_t, SIZE> test_data_moveable = {moveable_t(0), moveable_t(1), moveable_t(2), moveable_t(3), moveable_t(4),
moveable_t(5), moveable_t(6), moveable_t(7), moveable_t(8), moveable_t(9)};
etl::uninitialized_move(test_data_moveable.begin(), test_data_moveable.end(), p, count);
}
is_equal = (output_moveable[0] == moveable_t(0)) && (output_moveable[1] == moveable_t(1)) && (output_moveable[2] == moveable_t(2))
&& (output_moveable[3] == moveable_t(3)) && (output_moveable[4] == moveable_t(4)) && (output_moveable[5] == moveable_t(5))
&& (output_moveable[6] == moveable_t(6)) && (output_moveable[7] == moveable_t(7)) && (output_moveable[8] == moveable_t(8))
&& (output_moveable[9] == moveable_t(9));
CHECK(is_equal);
CHECK_EQUAL(SIZE, count);
etl::destroy(p, p + SIZE, count);
CHECK_EQUAL(0U, count);
}
//*************************************************************************
TEST(test_uninitialized_move_n)
{
bool is_equal;
// Non count.
moveable_t* p = reinterpret_cast<moveable_t*>(buffer_moveable);
std::fill(std::begin(buffer_moveable), std::end(buffer_moveable), 0);
{
std::array<moveable_t, SIZE> test_data_moveable = {moveable_t(0), moveable_t(1), moveable_t(2), moveable_t(3), moveable_t(4),
moveable_t(5), moveable_t(6), moveable_t(7), moveable_t(8), moveable_t(9)};
etl::uninitialized_move_n(test_data_moveable.begin(), SIZE, p);
}
is_equal = (output_moveable[0] == moveable_t(0)) && (output_moveable[1] == moveable_t(1)) && (output_moveable[2] == moveable_t(2))
&& (output_moveable[3] == moveable_t(3)) && (output_moveable[4] == moveable_t(4)) && (output_moveable[5] == moveable_t(5))
&& (output_moveable[6] == moveable_t(6)) && (output_moveable[7] == moveable_t(7)) && (output_moveable[8] == moveable_t(8))
&& (output_moveable[9] == moveable_t(9));
CHECK(is_equal);
etl::destroy(p, p + SIZE);
// Count.
size_t count = 0UL;
std::fill(std::begin(buffer_moveable), std::end(buffer_moveable), 0);
{
std::array<moveable_t, SIZE> test_data_moveable = {moveable_t(0), moveable_t(1), moveable_t(2), moveable_t(3), moveable_t(4),
moveable_t(5), moveable_t(6), moveable_t(7), moveable_t(8), moveable_t(9)};
etl::uninitialized_move_n(test_data_moveable.begin(), SIZE, p, count);
}
is_equal = (output_moveable[0] == moveable_t(0)) && (output_moveable[1] == moveable_t(1)) && (output_moveable[2] == moveable_t(2))
&& (output_moveable[3] == moveable_t(3)) && (output_moveable[4] == moveable_t(4)) && (output_moveable[5] == moveable_t(5))
&& (output_moveable[6] == moveable_t(6)) && (output_moveable[7] == moveable_t(7)) && (output_moveable[8] == moveable_t(8))
&& (output_moveable[9] == moveable_t(9));
CHECK(is_equal);
CHECK_EQUAL(SIZE, count);
etl::destroy(p, p + SIZE, count);
CHECK_EQUAL(0U, count);
}
//*************************************************************************
TEST(test_uninitialized_default_construct_n_trivial)
{
// Also tests uninitialized_default_construct.
// Non count.
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0xFFU);
etl::uninitialized_default_construct_n(p, SIZE);
trivial_t* result;
result = std::find_if_not(output_trivial, output_trivial + SIZE, [](trivial_t i) { return i == 0xFFFFFFFFUL; });
CHECK(result == output_trivial + SIZE);
etl::destroy(p, p + SIZE);
// Count.
size_t count = 0UL;
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0xFFU);
etl::uninitialized_default_construct_n(p, SIZE, count);
result = std::find_if_not(output_trivial, output_trivial + SIZE, [](trivial_t i) { return i == 0xFFFFFFFFUL; });
CHECK(result == output_trivial + SIZE);
CHECK_EQUAL(SIZE, count);
etl::destroy(p, p + SIZE, count);
CHECK_EQUAL(0U, count);
}
//*************************************************************************
TEST(test_uninitialized_default_construct_n_non_trivial)
{
// Also tests uninitialized_default_construct.
// Non count.
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer_non_trivial);
std::fill(std::begin(buffer_non_trivial), std::end(buffer_non_trivial), 0xFFU);
etl::uninitialized_default_construct_n(p, SIZE);
non_trivial_t* result;
result = std::find_if_not(output_non_trivial, output_non_trivial + SIZE, [](non_trivial_t i) { return i == test_item_non_trivial_null; });
CHECK(result == output_non_trivial + SIZE);
etl::destroy(p, p + SIZE);
// Count.
size_t count = 0UL;
std::fill(std::begin(buffer_non_trivial), std::end(buffer_non_trivial), 0xFFU);
etl::uninitialized_default_construct_n(p, SIZE, count);
result = std::find_if_not(output_non_trivial, output_non_trivial + SIZE, [](non_trivial_t i) { return i == test_item_non_trivial_null; });
CHECK(result == output_non_trivial + SIZE);
CHECK_EQUAL(SIZE, count);
etl::destroy(p, p + SIZE, count);
CHECK_EQUAL(0U, count);
}
//*************************************************************************
TEST(test_uninitialized_value_construct_n_trivial)
{
// Also tests uninitialized_default_construct.
// Non count.
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0xFFU);
etl::uninitialized_value_construct_n(p, SIZE);
trivial_t* result;
result = std::find_if_not(output_trivial, output_trivial + SIZE, [](trivial_t i) { return i == trivial_t(); });
CHECK(result == output_trivial + SIZE);
etl::destroy(p, p + SIZE);
// Count.
size_t count = 0UL;
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0xFFU);
etl::uninitialized_value_construct_n(p, SIZE, count);
result = std::find_if_not(output_trivial, output_trivial + SIZE, [](trivial_t i) { return i == trivial_t(); });
CHECK(result == output_trivial + SIZE);
CHECK_EQUAL(SIZE, count);
etl::destroy(p, p + SIZE, count);
CHECK_EQUAL(0U, count);
}
//*************************************************************************
TEST(test_uninitialized_value_construct_n_non_trivial)
{
// Also tests uninitialized_default_construct.
// Non count.
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer_non_trivial);
std::fill(std::begin(buffer_non_trivial), std::end(buffer_non_trivial), 0xFFU);
etl::uninitialized_value_construct_n(p, SIZE);
non_trivial_t* result;
result = std::find_if_not(output_non_trivial, output_non_trivial + SIZE, [](non_trivial_t i) { return i == non_trivial_t(); });
CHECK(result == output_non_trivial + SIZE);
etl::destroy(p, p + SIZE);
// Count.
size_t count = 0UL;
std::fill(std::begin(buffer_non_trivial), std::end(buffer_non_trivial), 0xFFU);
etl::uninitialized_value_construct_n(p, SIZE, count);
result = std::find_if_not(output_non_trivial, output_non_trivial + SIZE, [](non_trivial_t i) { return i == non_trivial_t(); });
CHECK(result == output_non_trivial + SIZE);
CHECK_EQUAL(SIZE, count);
etl::destroy(p, p + SIZE, count);
CHECK_EQUAL(0U, count);
}
//*************************************************************************
TEST(test_create_copy)
{
struct Object : etl::create_copy<Object>
{
std::string text;
};
alignas(Object) unsigned char buffer[sizeof(Object)];
Object object1;
object1.text = "12345678";
object1.create_copy_at(buffer);
object1.text = "87654321";
Object& object2 = *reinterpret_cast<Object*>(buffer);
CHECK_EQUAL(std::string("87654321"), object1.text);
CHECK_EQUAL(std::string("12345678"), object2.text);
int count = 0;
object1.create_copy_at(buffer, count);
CHECK_EQUAL(1, count);
}
//*************************************************************************
TEST(test_create_make_copy)
{
struct Object : etl::create_copy<Object>
{
std::string text;
};
alignas(Object) unsigned char buffer[sizeof(Object)];
Object object1;
object1.text = "12345678";
Object& object2 = object1.make_copy_at(buffer);
object1.text = "87654321";
CHECK_EQUAL(std::string("87654321"), object1.text);
CHECK_EQUAL(std::string("12345678"), object2.text);
int count = 0;
object1.make_copy_at(buffer, count);
CHECK_EQUAL(1, count);
}
//*************************************************************************
TEST(test_make_trivial)
{
char n[sizeof(trivial_t)];
trivial_t* pn = reinterpret_cast<trivial_t*>(n);
// Non count.
std::fill(std::begin(n), std::end(n), 0xFFU);
CHECK_EQUAL(0x00000000UL, etl::make_default_at(pn));
std::fill(std::begin(n), std::end(n), 0x00U);
CHECK_EQUAL(0xFFFFFFFFUL, etl::make_value_at(pn, 0xFFFFFFFFU));
std::fill(std::begin(n), std::end(n), 0xFFU);
etl::make_copy_at(pn, test_item_trivial);
CHECK_EQUAL(test_item_trivial, etl::make_copy_at(pn, test_item_trivial));
// Count.
size_t count = 0UL;
std::fill(std::begin(n), std::end(n), 0xFFU);
CHECK_EQUAL(0x00000000UL, etl::make_default_at(pn, count));
CHECK_EQUAL(1U, count);
std::fill(std::begin(n), std::end(n), 0x00U);
CHECK_EQUAL(0xFFFFFFFFUL, etl::make_value_at(pn, 0xFFFFFFFFUL, count));
CHECK_EQUAL(2U, count);
std::fill(std::begin(n), std::end(n), 0xFFU);
CHECK_EQUAL(test_item_trivial, etl::make_copy_at(pn, test_item_trivial, count));
CHECK_EQUAL(3U, count);
}
//*************************************************************************
TEST(test_memory_clear)
{
struct Data
{
uint32_t d1;
char d2;
};
Data data = {0xFFFFFFFFUL, char(0xFFU)};
etl::memory_clear(data);
CHECK_EQUAL(0x00000000UL, data.d1);
CHECK_EQUAL(0x00, data.d2);
}
//*************************************************************************
TEST(test_memory_clear_range_pointer_n)
{
struct Data
{
uint32_t d1;
char d2;
};
Data data[3] = {{0xFFFFFFFFUL, char(0xFFU)}, {0xFFFFFFFFUL, char(0xFFU)}, {0xFFFFFFFFUL, char(0xFFU)}};
etl::memory_clear_range(data, 3);
CHECK_EQUAL(0x00000000UL, data[0].d1);
CHECK_EQUAL(0x00U, data[0].d2);
CHECK_EQUAL(0x00000000UL, data[1].d1);
CHECK_EQUAL(0x00U, data[1].d2);
CHECK_EQUAL(0x00000000UL, data[2].d1);
CHECK_EQUAL(0x00U, data[2].d2);
}
//*************************************************************************
TEST(test_memory_clear_range_pointer_pointer)
{
struct Data
{
uint32_t d1;
char d2;
};
Data data[3] = {{0xFFFFFFFFUL, char(0xFFU)}, {0xFFFFFFFFUL, char(0xFFU)}, {0xFFFFFFFFUL, char(0xFFU)}};
etl::memory_clear_range(std::begin(data), std::end(data));
CHECK_EQUAL(0x00000000UL, data[0].d1);
CHECK_EQUAL(0x00U, data[0].d2);
CHECK_EQUAL(0x00000000UL, data[1].d1);
CHECK_EQUAL(0x00U, data[1].d2);
CHECK_EQUAL(0x00000000UL, data[2].d1);
CHECK_EQUAL(0x00U, data[2].d2);
}
//*************************************************************************
TEST(test_memory_set)
{
struct Data
{
uint32_t d1;
char d2;
};
Data data = {0xFFFFFFFFUL, char(0xFFU)};
etl::memory_set(data, 0x5A);
CHECK_EQUAL(0x5A5A5A5AUL, data.d1);
CHECK_EQUAL(0x5AU, data.d2);
}
//*************************************************************************
TEST(test_memory_set_range_pointer_n)
{
struct Data
{
uint32_t d1;
char d2;
};
Data data[3] = {{0xFFFFFFFFUL, char(0xFFU)}, {0xFFFFFFFFUL, char(0xFFU)}, {0xFFFFFFFFUL, char(0xFFU)}};
etl::memory_set_range(data, 3, 0x5A);
CHECK_EQUAL(0x5A5A5A5AUL, data[0].d1);
CHECK_EQUAL(0x5AU, data[0].d2);
CHECK_EQUAL(0x5A5A5A5AUL, data[1].d1);
CHECK_EQUAL(0x5AU, data[1].d2);
CHECK_EQUAL(0x5A5A5A5AUL, data[2].d1);
CHECK_EQUAL(0x5AU, data[2].d2);
}
//*************************************************************************
TEST(test_memory_set_range_pointer_pointer)
{
struct Data
{
uint32_t d1;
char d2;
};
Data data[3] = {{0xFFFFFFFFUL, char(0xFFU)}, {0xFFFFFFFFUL, char(0xFFU)}, {0xFFFFFFFFUL, char(0xFFU)}};
etl::memory_set_range(std::begin(data), std::end(data), 0x5A);
CHECK_EQUAL(0x5A5A5A5AUL, data[0].d1);
CHECK_EQUAL(0x5AU, data[0].d2);
CHECK_EQUAL(0x5A5A5A5AUL, data[1].d1);
CHECK_EQUAL(0x5AU, data[1].d2);
CHECK_EQUAL(0x5A5A5A5AUL, data[2].d1);
CHECK_EQUAL(0x5AU, data[2].d2);
}
//*************************************************************************
TEST(test_unique_ptr_default_construction)
{
etl::unique_ptr<int> up;
CHECK(up.get() == nullptr);
CHECK(!bool(up));
}
//*************************************************************************
TEST(test_unique_ptr_from_pointer_construction)
{
etl::unique_ptr<int> up(new int(1));
CHECK(up.get() != nullptr);
CHECK(bool(up));
CHECK_EQUAL(1, *up);
}
//*************************************************************************
TEST(test_unique_ptr_move_construction)
{
etl::unique_ptr<int> up1(new int(1));
etl::unique_ptr<int> up2(std::move(up1));
CHECK(up1.get() == nullptr);
CHECK(!bool(up1));
CHECK(up2.get() != nullptr);
CHECK(bool(up2));
CHECK_EQUAL(1, *up2);
}
//*************************************************************************
TEST(test_unique_ptr_release)
{
auto buffer = new int;
etl::unique_ptr<int> up(buffer);
CHECK(up.release() != nullptr);
CHECK(!bool(up));
delete buffer;
}
//*************************************************************************
TEST(test_unique_ptr_reset)
{
etl::unique_ptr<int> up(new int(1));
int* p = new int(2);
CHECK_EQUAL(1, *up);
up.reset(p);
CHECK_EQUAL(2, *up);
}
//*************************************************************************
TEST(test_unique_ptr_swap)
{
etl::unique_ptr<int> up1(new int(1));
etl::unique_ptr<int> up2(new int(2));
up1.swap(up2);
CHECK_EQUAL(2, *up1);
CHECK_EQUAL(1, *up2);
}
//*************************************************************************
TEST(test_unique_ptr_from_nullptr_assignment)
{
etl::unique_ptr<int> up(new int);
up = nullptr;
CHECK(up.get() == nullptr);
CHECK(!bool(up));
}
//*************************************************************************
TEST(test_unique_ptr_nullptr_from_nullptr_assignment)
{
etl::unique_ptr<int> up;
up = nullptr;
CHECK(up.get() == nullptr);
CHECK(!bool(up));
}
//*************************************************************************
TEST(test_unique_ptr_move_assignment)
{
etl::unique_ptr<int> up1(new int(1));
etl::unique_ptr<int> up2(new int(2));
up1 = std::move(up2);
CHECK(!bool(up2));
CHECK_EQUAL(2, *up1);
}
//*************************************************************************
TEST(test_unique_ptr_comparison_tests)
{
int* p1 = (int*)1U;
int* p2 = (int*)2U;
etl::unique_ptr<int, NoDelete<int>> up1(p1);
etl::unique_ptr<int, NoDelete<int>> up2(p1);
etl::unique_ptr<int, NoDelete<int>> up3(p2);
CHECK(up1 == up2);
CHECK(!(up1 == up3));
CHECK(!(up1 < up2));
CHECK(up1 < up3);
CHECK(!(up3 <= up1));
CHECK(up1 <= up2);
CHECK(up1 <= up3);
CHECK(!(up1 > up2));
CHECK(up3 > up1);
CHECK(!(up1 >= up3));
CHECK(up2 >= up1);
CHECK(up3 >= up1);
}
//*************************************************************************
TEST(test_unique_ptr_from_array_pointer_construction)
{
etl::unique_ptr<int[]> up(new int[4]);
std::iota(&up[0], &up[4], 0);
CHECK(up.get() != nullptr);
CHECK(bool(up));
CHECK_EQUAL(0, up[0]);
CHECK_EQUAL(1, up[1]);
CHECK_EQUAL(2, up[2]);
CHECK_EQUAL(3, up[3]);
}
//*************************************************************************
TEST(test_unique_ptr_move_array_construction)
{
etl::unique_ptr<int[]> up1(new int[4]);
std::iota(&up1[0], &up1[4], 0);
etl::unique_ptr<int[]> up2(std::move(up1));
CHECK(up1.get() == nullptr);
CHECK(!bool(up1));
CHECK(up2.get() != nullptr);
CHECK(bool(up2));
CHECK_EQUAL(0, up2[0]);
CHECK_EQUAL(1, up2[1]);
CHECK_EQUAL(2, up2[2]);
CHECK_EQUAL(3, up2[3]);
}
//*************************************************************************
TEST(test_unique_ptr_array_release)
{
auto buffer = new int[4];
etl::unique_ptr<int[]> up(buffer);
std::iota(&up[0], &up[4], 0);
CHECK(up.release() != nullptr);
CHECK(!bool(up));
delete[] buffer;
}
//*************************************************************************
TEST(test_unique_ptr_array_reset)
{
etl::unique_ptr<int[]> up(new int[4]);
std::iota(&up[0], &up[4], 0);
int* p = new int[4];
std::iota(p, p + 4, 4);
CHECK_EQUAL(0, up[0]);
CHECK_EQUAL(1, up[1]);
CHECK_EQUAL(2, up[2]);
CHECK_EQUAL(3, up[3]);
up.reset(p);
CHECK_EQUAL(4, up[0]);
CHECK_EQUAL(5, up[1]);
CHECK_EQUAL(6, up[2]);
CHECK_EQUAL(7, up[3]);
}
//*************************************************************************
TEST(test_unique_ptr_array_swap)
{
etl::unique_ptr<int[]> up1(new int[4]);
std::iota(&up1[0], &up1[4], 0);
etl::unique_ptr<int[]> up2(new int[4]);
std::iota(&up2[0], &up2[4], 4);
up1.swap(up2);
CHECK_EQUAL(4, up1[0]);
CHECK_EQUAL(5, up1[1]);
CHECK_EQUAL(6, up1[2]);
CHECK_EQUAL(7, up1[3]);
CHECK_EQUAL(0, up2[0]);
CHECK_EQUAL(1, up2[1]);
CHECK_EQUAL(2, up2[2]);
CHECK_EQUAL(3, up2[3]);
}
//*************************************************************************
TEST(test_unique_ptr_array_from_nullptr_assignment)
{
etl::unique_ptr<int[]> up(new int[4]);
up = nullptr;
CHECK(up.get() == nullptr);
CHECK(!bool(up));
}
//*************************************************************************
TEST(test_unique_ptr_array_move_assignment)
{
etl::unique_ptr<int[]> up1(new int[4]);
std::iota(&up1[0], &up1[4], 0);
etl::unique_ptr<int[]> up2(new int[4]);
std::iota(&up2[0], &up2[4], 4);
up1 = std::move(up2);
CHECK(!bool(up2));
CHECK_EQUAL(4, up1[0]);
CHECK_EQUAL(5, up1[1]);
CHECK_EQUAL(6, up1[2]);
CHECK_EQUAL(7, up1[3]);
}
//*************************************************************************
TEST(test_unique_ptr_custom_deleter)
{
//*******************************
struct Object
{
Object()
: count(1)
{
}
void Delete()
{
count = 0;
}
int count;
};
//*******************************
struct Deleter
{
void operator()(Object* p)
{
p->Delete();
}
};
Deleter deleter;
Object object;
CHECK_EQUAL(1, object.count);
{
etl::unique_ptr<Object, Deleter> up(&object, deleter);
}
CHECK_EQUAL(0, object.count);
}
//*************************************************************************
TEST(test_uninitialized_buffer)
{
typedef etl::uninitialized_buffer<sizeof(uint32_t), 4, etl::alignment_of<uint32_t>::value> storage32_t;
size_t alignment = etl::alignment_of<storage32_t>::value;
size_t expected = std::alignment_of<uint32_t>::value;
CHECK_EQUAL(expected, alignment);
}
//*************************************************************************
TEST(test_uninitialized_buffer_of)
{
typedef etl::uninitialized_buffer_of<uint32_t, 4> storage32_t;
static storage32_t buffer;
uint32_t* i = buffer;
const uint32_t* ci = buffer;
CHECK(i == ci);
buffer[0] = 0U;
buffer[1] = 1U;
buffer[2] = 2U;
buffer[3] = 3U;
CHECK_EQUAL(0U, buffer[0]);
CHECK_EQUAL(1U, buffer[1]);
CHECK_EQUAL(2U, buffer[2]);
CHECK_EQUAL(3U, buffer[3]);
const storage32_t& refbuffer = buffer;
CHECK_EQUAL(0U, refbuffer[0]);
CHECK_EQUAL(1U, refbuffer[1]);
CHECK_EQUAL(2U, refbuffer[2]);
CHECK_EQUAL(3U, refbuffer[3]);
size_t alignment = etl::alignment_of<storage32_t>::value;
size_t expected = std::alignment_of<uint32_t>::value;
CHECK_EQUAL(expected, alignment);
}
//*************************************************************************
TEST(test_mem_copy_pointer_pointer_pointer)
{
uint32_t src[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201};
uint32_t dst[8] = {0, 0, 0, 0, 0, 0, 0, 0};
uint32_t* result = etl::mem_copy(src, src + 8, dst);
CHECK(std::equal(src, src + 8, dst));
CHECK(result == dst);
}
//*************************************************************************
TEST(test_mem_copy_const_pointer_const_pointer_pointer)
{
const uint32_t src[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201};
uint32_t dst[8] = {0, 0, 0, 0, 0, 0, 0, 0};
uint32_t* result = etl::mem_copy(src, src + 8, dst);
CHECK(std::equal(src, src + 8, dst));
CHECK(result == dst);
}
//*************************************************************************
TEST(test_mem_copy_pointer_length_pointer)
{
uint32_t src[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201};
uint32_t dst[8] = {0, 0, 0, 0, 0, 0, 0, 0};
uint32_t* result = etl::mem_copy(src, 8, dst);
CHECK(std::equal(src, src + 8, dst));
CHECK(result == dst);
}
//*************************************************************************
TEST(test_mem_copy_const_pointer_length_pointer)
{
const uint32_t src[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201};
uint32_t dst[8] = {0, 0, 0, 0, 0, 0, 0, 0};
uint32_t* result = etl::mem_copy(src, 8, dst);
CHECK(std::equal(src, src + 8, dst));
CHECK(result == dst);
}
//*************************************************************************
TEST(test_mem_move_pointer_pointer_pointer)
{
uint32_t expected[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201};
uint32_t data[12] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201, 0, 0, 0, 0};
uint32_t* result = etl::mem_move(data, data + 8, data + 4);
CHECK(std::equal(expected, expected + 8, data + 4));
CHECK(result == data + 4);
}
//*************************************************************************
TEST(test_mem_move_const_pointer_const_pointer_pointer)
{
uint32_t expected[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201};
uint32_t data[12] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201, 0, 0, 0, 0};
const uint32_t* data_begin = &data[0];
const uint32_t* data_end = &data[8];
uint32_t* result = etl::mem_move(data_begin, data_end, data + 4);
CHECK(std::equal(expected, expected + 8, data + 4));
CHECK(result == data + 4);
}
//*************************************************************************
TEST(test_mem_move_pointer_length_pointer)
{
uint32_t expected[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201};
uint32_t data[12] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201, 0, 0, 0, 0};
uint32_t* result = etl::mem_move(data, 8, data + 4);
CHECK(std::equal(expected, expected + 8, data + 4));
CHECK(result == data + 4);
}
//*************************************************************************
TEST(test_mem_move_const_pointer_length_pointer)
{
uint32_t expected[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201};
uint32_t data[12] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201, 0, 0, 0, 0};
const uint32_t* data_begin = &data[0];
uint32_t* result = etl::mem_move(data_begin, 8, data + 4);
CHECK(std::equal(expected, expected + 8, data + 4));
CHECK(result == data + 4);
}
//*************************************************************************
TEST(test_mem_compare_pointer_pointer_pointer)
{
uint32_t data[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201};
uint32_t same[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201};
uint32_t grtr[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67235501, 0x45016723, 0x01324576, 0x76453201};
uint32_t less[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67134501, 0x45016723, 0x01324576, 0x76453201};
CHECK(etl::mem_compare(data, data + 8, same) == 0);
CHECK(etl::mem_compare(data, data + 8, grtr) > 0);
CHECK(etl::mem_compare(data, data + 8, less) < 0);
}
//*************************************************************************
TEST(test_mem_compare_const_pointer_const_pointer_pointer)
{
const uint32_t data[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201};
uint32_t same[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201};
uint32_t grtr[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67235501, 0x45016723, 0x01324576, 0x76453201};
uint32_t less[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67134501, 0x45016723, 0x01324576, 0x76453201};
CHECK(etl::mem_compare(data, data + 8, same) == 0);
CHECK(etl::mem_compare(data, data + 8, grtr) > 0);
CHECK(etl::mem_compare(data, data + 8, less) < 0);
}
//*************************************************************************
TEST(test_mem_compare_const_pointer_const_pointer_const_pointer)
{
const uint32_t data[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201};
const uint32_t same[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201};
uint32_t grtr[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67235501, 0x45016723, 0x01324576, 0x76453201};
uint32_t less[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67134501, 0x45016723, 0x01324576, 0x76453201};
CHECK(etl::mem_compare(data, data + 8, same) == 0);
CHECK(etl::mem_compare(data, data + 8, grtr) > 0);
CHECK(etl::mem_compare(data, data + 8, less) < 0);
}
//*************************************************************************
TEST(test_mem_compare_pointer_length_pointer)
{
uint32_t data[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201};
uint32_t same[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201};
uint32_t grtr[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67235501, 0x45016723, 0x01324576, 0x76453201};
uint32_t less[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67134501, 0x45016723, 0x01324576, 0x76453201};
CHECK(etl::mem_compare(data, 8, same) == 0);
CHECK(etl::mem_compare(data, 8, grtr) > 0);
CHECK(etl::mem_compare(data, 8, less) < 0);
}
//*************************************************************************
TEST(test_mem_compare_const_pointer_length_pointer)
{
const uint32_t data[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201};
uint32_t same[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201};
uint32_t grtr[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67235501, 0x45016723, 0x01324576, 0x76453201};
uint32_t less[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67134501, 0x45016723, 0x01324576, 0x76453201};
CHECK(etl::mem_compare(data, 8, same) == 0);
CHECK(etl::mem_compare(data, 8, grtr) > 0);
CHECK(etl::mem_compare(data, 8, less) < 0);
}
//*************************************************************************
TEST(test_mem_compare_const_pointer_length_const_pointer)
{
const uint32_t data[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201};
const uint32_t same[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67234501, 0x45016723, 0x01324576, 0x76453201};
const uint32_t grtr[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67235501, 0x45016723, 0x01324576, 0x76453201};
const uint32_t less[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67134501, 0x45016723, 0x01324576, 0x76453201};
CHECK(etl::mem_compare(data, 8, same) == 0);
CHECK(etl::mem_compare(data, 8, grtr) > 0);
CHECK(etl::mem_compare(data, 8, less) < 0);
}
//*************************************************************************
TEST(test_mem_set_pointer_pointer)
{
uint32_t data[8] = {0, 0, 0, 0, 0, 0, 0, 0};
uint32_t expected[8] = {0, 0x5A5A5A5A, 0x5A5A5A5A, 0x5A5A5A5A, 0x5A5A5A5A, 0, 0, 0};
etl::mem_set(data + 1, data + 5, (char)0x5A);
CHECK(std::equal(expected, expected + 8, data));
}
//*************************************************************************
TEST(test_mem_set_pointer_length)
{
uint32_t data[8] = {0, 0, 0, 0, 0, 0, 0, 0};
uint32_t expected[8] = {0, 0x5A5A5A5A, 0x5A5A5A5A, 0x5A5A5A5A, 0x5A5A5A5A, 0, 0, 0};
etl::mem_set(data + 1, 4, (char)0x5A);
CHECK(std::equal(expected, expected + 8, data));
}
//*************************************************************************
TEST(test_mem_char_pointer_pointer)
{
uint32_t data[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67294501, 0x45016723, 0x01324576, 0x76453201};
char* p1 = etl::mem_char(data, data + 8, (char)0x29);
char* p2 = etl::mem_char(data, data + 8, (char)0x99);
CHECK_EQUAL(uint32_t(0x29), uint32_t(*p1));
if (etl::endianness::value() == etl::endian::little)
{
CHECK((reinterpret_cast<char*>(data) + 18) == p1);
}
else
{
CHECK((reinterpret_cast<char*>(data) + 17) == p1);
}
CHECK((reinterpret_cast<char*>(data) + 32) == p2);
}
//*************************************************************************
TEST(test_mem_char_pointer_pointer_const)
{
const uint32_t data[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67294501, 0x45016723, 0x01324576, 0x76453201};
const char* p1 = etl::mem_char(data, data + 8, (char)0x29);
const char* p2 = etl::mem_char(data, data + 8, (char)0x99);
CHECK_EQUAL(uint32_t(0x29), uint32_t(*p1));
if (etl::endianness::value() == etl::endian::little)
{
CHECK((reinterpret_cast<const char*>(data) + 18) == p1);
}
else
{
CHECK((reinterpret_cast<const char*>(data) + 17) == p1);
}
CHECK((reinterpret_cast<const char*>(data) + 32) == p2);
}
//*************************************************************************
TEST(test_mem_char_pointer_length)
{
uint32_t data[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67294501, 0x45016723, 0x01324576, 0x76453201};
char* p1 = etl::mem_char(data, 8, (char)0x29);
char* p2 = etl::mem_char(data, 8, (char)0x99);
CHECK_EQUAL(uint32_t(0x29), uint32_t(*p1));
if (etl::endianness::value() == etl::endian::little)
{
CHECK((reinterpret_cast<char*>(data) + 18) == p1);
}
else
{
CHECK((reinterpret_cast<char*>(data) + 17) == p1);
}
CHECK((reinterpret_cast<char*>(data) + 32) == p2);
}
//*************************************************************************
TEST(test_mem_char_pointer_length_const)
{
const uint32_t data[8] = {0x12345678, 0x76543210, 0x01452367, 0x23670145, 0x67294501, 0x45016723, 0x01324576, 0x76453201};
const char* p1 = etl::mem_char(data, 8, (char)0x29);
const char* p2 = etl::mem_char(data, 8, (char)0x99);
CHECK_EQUAL(uint32_t(0x29), uint32_t(*p1));
if (etl::endianness::value() == etl::endian::little)
{
CHECK((reinterpret_cast<const char*>(data) + 18) == p1);
}
else
{
CHECK((reinterpret_cast<const char*>(data) + 17) == p1);
}
CHECK((reinterpret_cast<const char*>(data) + 32) == p2);
}
//*************************************************************************
class Base
{
public:
virtual ~Base() {}
virtual void function() = 0;
};
static bool function_was_called = false;
class Derived : public Base
{
public:
Derived()
{
function_was_called = false;
}
void function()
{
function_was_called = true;
}
};
void call(etl::unique_ptr<Base> ptr)
{
ptr->function();
}
TEST(test_derived_type)
{
CHECK(!function_was_called);
etl::unique_ptr<Derived> ptr(new Derived());
CHECK(ptr.get() != ETL_NULLPTR);
call(etl::move(ptr));
CHECK(function_was_called);
CHECK(ptr.get() == ETL_NULLPTR);
}
struct Flags
{
Flags()
: constructed(false)
, destructed(false)
{
}
void Clear()
{
constructed = false;
destructed = false;
}
bool constructed;
bool destructed;
};
static Flags flags;
TEST(test_construct_get_destroy_object_aligned)
{
struct Data
{
Data()
: a(1)
, b(2)
{
flags.constructed = true;
}
Data(int a_, int b_)
: a(a_)
, b(b_)
{
flags.constructed = true;
}
~Data()
{
flags.destructed = true;
}
int a;
int b;
};
alignas(Data) char buffer1[sizeof(Data)];
char* pbuffer1 = buffer1;
alignas(Data) char buffer1b[sizeof(Data)];
char* pbuffer1b = buffer1b;
alignas(Data) char buffer2[sizeof(Data)];
char* pbuffer2 = buffer2;
alignas(Data) char buffer2b[sizeof(Data)];
char* pbuffer2b = buffer2b;
alignas(Data) char buffer3[sizeof(Data)];
char* pbuffer3 = buffer3;
alignas(Data) char buffer3b[sizeof(Data)];
char* pbuffer3b = buffer3b;
flags.Clear();
Data& rdata1 = etl::construct_object_at<Data>(pbuffer1);
CHECK_TRUE(flags.constructed);
CHECK_FALSE(flags.destructed);
CHECK_EQUAL(1, rdata1.a);
CHECK_EQUAL(2, rdata1.b);
flags.Clear();
Data data2(3, 4);
Data& rdata2 = etl::construct_object_at(pbuffer2, data2);
CHECK_TRUE(flags.constructed);
CHECK_FALSE(flags.destructed);
CHECK_EQUAL(data2.a, rdata2.a);
CHECK_EQUAL(data2.b, rdata2.b);
flags.Clear();
Data& rdata3 = etl::construct_object_at<Data>(pbuffer3, 5, 6);
CHECK_TRUE(flags.constructed);
CHECK_FALSE(flags.destructed);
CHECK_EQUAL(5, rdata3.a);
CHECK_EQUAL(6, rdata3.b);
memcpy(buffer1b, buffer1, sizeof(Data));
memcpy(buffer2b, buffer2, sizeof(Data));
memcpy(buffer3b, buffer3, sizeof(Data));
flags.Clear();
Data& rdata1b = etl::get_object_at<Data>(pbuffer1b);
CHECK_FALSE(flags.constructed);
CHECK_FALSE(flags.destructed);
CHECK_EQUAL(1, rdata1b.a);
CHECK_EQUAL(2, rdata1b.b);
flags.Clear();
Data& rdata2b = etl::get_object_at<Data>(pbuffer2b);
CHECK_FALSE(flags.constructed);
CHECK_FALSE(flags.destructed);
CHECK_EQUAL(data2.a, rdata2b.a);
CHECK_EQUAL(data2.b, rdata2b.b);
flags.Clear();
Data& rdata3b = etl::get_object_at<Data>(pbuffer3b);
CHECK_FALSE(flags.constructed);
CHECK_FALSE(flags.destructed);
CHECK_EQUAL(5, rdata3b.a);
CHECK_EQUAL(6, rdata3b.b);
flags.Clear();
etl::destroy_object_at<Data>(pbuffer1b);
CHECK_FALSE(flags.constructed);
CHECK_TRUE(flags.destructed);
flags.Clear();
etl::destroy_object_at<Data>(pbuffer2b);
CHECK_FALSE(flags.constructed);
CHECK_TRUE(flags.destructed);
flags.Clear();
etl::destroy_object_at<Data>(pbuffer3b);
CHECK_FALSE(flags.constructed);
CHECK_TRUE(flags.destructed);
}
TEST(test_get_object_at_const_specialization)
{
struct Data
{
Data()
: a(1)
, b(2)
{
flags.constructed = true;
}
~Data() = default;
int a;
int b;
};
std::array<uint8_t, 32U> buffer{};
etl::construct_object_at(buffer.data(), Data());
const void* bufferPointer = buffer.data();
const Data& rdata = etl::get_object_at<Data>(bufferPointer);
CHECK_TRUE(flags.constructed);
CHECK_TRUE(rdata.a == 1);
CHECK_TRUE(rdata.b == 2);
}
TEST(test_construct_get_destroy_object_misaligned)
{
struct Data
{
Data()
: a(1)
, b(2)
{
}
Data(int a_, int b_)
: a(a_)
, b(b_)
{
}
~Data() {}
int a;
int b;
};
alignas(Data) char buffer1[sizeof(Data)];
char* pbuffer1 = buffer1 + 1;
alignas(Data) char buffer2[sizeof(Data)];
char* pbuffer2 = buffer2 + 1;
alignas(Data) char buffer3[sizeof(Data)];
char* pbuffer3 = buffer3 + 1;
CHECK_THROW(etl::construct_object_at<Data>(pbuffer1), etl::alignment_error);
Data data2(3, 4);
CHECK_THROW(etl::construct_object_at(pbuffer2, data2), etl::alignment_error);
CHECK_THROW(etl::construct_object_at<Data>(pbuffer3, 5, 6), etl::alignment_error);
CHECK_THROW(etl::get_object_at<Data>(pbuffer1), etl::alignment_error);
CHECK_THROW(etl::destroy_object_at<Data>(pbuffer1), etl::alignment_error);
}
//*************************************************************************
TEST(test_to_address)
{
int i;
int* pi = &i;
etl::list<int, 4> container = {1, 2, 3, 4};
etl::list<int, 4>::iterator itr = container.begin();
std::advance(itr, 2);
int* plist_item = &*itr;
CHECK_EQUAL(&i, etl::to_address(pi));
CHECK_EQUAL(plist_item, etl::to_address(itr));
}
#if ETL_USING_CPP17
//*************************************************************************
TEST(test_ranges_uninitialized_copy_iterator_trivial)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0);
auto result = etl::ranges::uninitialized_copy(test_data_trivial.begin(), test_data_trivial.end(), p, p + SIZE);
bool is_equal = std::equal(output_trivial, output_trivial + SIZE, test_data_trivial.begin());
CHECK(is_equal);
CHECK(result.in == test_data_trivial.end());
CHECK(result.out == p + SIZE);
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_copy_iterator_non_trivial)
{
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer_non_trivial);
std::fill(std::begin(buffer_non_trivial), std::end(buffer_non_trivial), 0);
auto result = etl::ranges::uninitialized_copy(test_data_non_trivial.begin(), test_data_non_trivial.end(), p, p + SIZE);
bool is_equal = std::equal(output_non_trivial, output_non_trivial + SIZE, test_data_non_trivial.begin());
CHECK(is_equal);
CHECK(result.in == test_data_non_trivial.end());
CHECK(result.out == p + SIZE);
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_copy_range_trivial)
{
trivial_t dst[SIZE] = {};
auto result = etl::ranges::uninitialized_copy(test_data_trivial, dst);
bool is_equal = std::equal(std::begin(dst), std::end(dst), test_data_trivial.begin());
CHECK(is_equal);
CHECK(result.in == test_data_trivial.end());
CHECK(result.out == std::end(dst));
}
//*************************************************************************
TEST(test_ranges_uninitialized_copy_range_non_trivial)
{
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer_non_trivial);
std::fill(std::begin(buffer_non_trivial), std::end(buffer_non_trivial), 0);
std::vector<non_trivial_t> src(test_data_non_trivial.begin(), test_data_non_trivial.end());
etl::span<non_trivial_t, SIZE> dst(p, SIZE);
auto result = etl::ranges::uninitialized_copy(src, dst);
bool is_equal = std::equal(output_non_trivial, output_non_trivial + SIZE, test_data_non_trivial.begin());
CHECK(is_equal);
CHECK(result.in == src.end());
CHECK(result.out == dst.end());
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_copy_output_shorter)
{
// Output range is shorter than input; should stop at output end.
std::array<trivial_t, 5> small_dst = {};
auto result = etl::ranges::uninitialized_copy(test_data_trivial.begin(), test_data_trivial.end(), small_dst.begin(), small_dst.end());
bool is_equal = std::equal(small_dst.begin(), small_dst.end(), test_data_trivial.begin());
CHECK(is_equal);
CHECK(result.in == test_data_trivial.begin() + 5);
CHECK(result.out == small_dst.end());
}
//*************************************************************************
TEST(test_ranges_uninitialized_copy_input_shorter)
{
// Input range is shorter than output; should stop at input end.
std::array<trivial_t, 3> small_src = {1, 2, 3};
trivial_t dst[SIZE] = {};
auto result = etl::ranges::uninitialized_copy(small_src.begin(), small_src.end(), std::begin(dst), std::end(dst));
CHECK_EQUAL(1U, dst[0]);
CHECK_EQUAL(2U, dst[1]);
CHECK_EQUAL(3U, dst[2]);
CHECK(result.in == small_src.end());
CHECK(result.out == std::begin(dst) + 3);
}
//*************************************************************************
TEST(test_ranges_uninitialized_copy_empty)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
auto result = etl::ranges::uninitialized_copy(test_data_trivial.begin(), test_data_trivial.begin(), p, p + SIZE);
CHECK(result.in == test_data_trivial.begin());
CHECK(result.out == p);
}
//*************************************************************************
TEST(test_ranges_uninitialized_copy_n_trivial)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0);
auto result = etl::ranges::uninitialized_copy_n(test_data_trivial.begin(), SIZE, p, p + SIZE);
bool is_equal = std::equal(output_trivial, output_trivial + SIZE, test_data_trivial.begin());
CHECK(is_equal);
CHECK(result.in == test_data_trivial.end());
CHECK(result.out == p + SIZE);
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_copy_n_non_trivial)
{
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer_non_trivial);
std::fill(std::begin(buffer_non_trivial), std::end(buffer_non_trivial), 0);
auto result = etl::ranges::uninitialized_copy_n(test_data_non_trivial.begin(), SIZE, p, p + SIZE);
bool is_equal = std::equal(output_non_trivial, output_non_trivial + SIZE, test_data_non_trivial.begin());
CHECK(is_equal);
CHECK(result.in == test_data_non_trivial.end());
CHECK(result.out == p + SIZE);
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_copy_n_output_shorter)
{
// Output range is shorter than count; should stop at output end.
std::array<trivial_t, 5> small_dst = {};
auto result = etl::ranges::uninitialized_copy_n(test_data_trivial.begin(), SIZE, small_dst.begin(), small_dst.end());
bool is_equal = std::equal(small_dst.begin(), small_dst.end(), test_data_trivial.begin());
CHECK(is_equal);
CHECK(result.in == test_data_trivial.begin() + 5);
CHECK(result.out == small_dst.end());
}
//*************************************************************************
TEST(test_ranges_uninitialized_copy_n_count_shorter)
{
// Count is shorter than output range; should stop after count elements.
trivial_t dst[SIZE] = {};
auto result = etl::ranges::uninitialized_copy_n(test_data_trivial.begin(), 3, std::begin(dst), std::end(dst));
bool is_equal = std::equal(std::begin(dst), std::begin(dst) + 3, test_data_trivial.begin());
CHECK(is_equal);
CHECK(result.in == test_data_trivial.begin() + 3);
CHECK(result.out == std::begin(dst) + 3);
}
//*************************************************************************
TEST(test_ranges_uninitialized_copy_n_zero_count)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
auto result = etl::ranges::uninitialized_copy_n(test_data_trivial.begin(), 0, p, p + SIZE);
CHECK(result.in == test_data_trivial.begin());
CHECK(result.out == p);
}
//*************************************************************************
TEST(test_ranges_uninitialized_fill_iterator_trivial)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0);
auto result = etl::ranges::uninitialized_fill(p, p + SIZE, test_item_trivial);
for (size_t i = 0; i < SIZE; ++i)
{
CHECK_EQUAL(test_item_trivial, p[i]);
}
CHECK(result == p + SIZE);
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_fill_iterator_non_trivial)
{
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer_non_trivial);
std::fill(std::begin(buffer_non_trivial), std::end(buffer_non_trivial), 0);
auto result = etl::ranges::uninitialized_fill(p, p + SIZE, test_item_non_trivial);
for (size_t i = 0; i < SIZE; ++i)
{
CHECK_EQUAL(test_item_non_trivial, p[i]);
}
CHECK(result == p + SIZE);
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_fill_range_trivial)
{
trivial_t dst[SIZE] = {};
auto result = etl::ranges::uninitialized_fill(dst, test_item_trivial);
for (size_t i = 0; i < SIZE; ++i)
{
CHECK_EQUAL(test_item_trivial, dst[i]);
}
CHECK(result == std::end(dst));
}
//*************************************************************************
TEST(test_ranges_uninitialized_fill_range_non_trivial)
{
alignas(non_trivial_t) unsigned char buffer[sizeof(non_trivial_t) * SIZE];
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer);
etl::span<non_trivial_t, SIZE> dst(p, SIZE);
auto result = etl::ranges::uninitialized_fill(dst, test_item_non_trivial);
for (size_t i = 0; i < SIZE; ++i)
{
CHECK_EQUAL(test_item_non_trivial, p[i]);
}
CHECK(result == dst.end());
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_fill_empty)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
auto result = etl::ranges::uninitialized_fill(p, p, test_item_trivial);
CHECK(result == p);
}
//*************************************************************************
TEST(test_ranges_uninitialized_fill_n_trivial)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0);
auto result = etl::ranges::uninitialized_fill_n(p, SIZE, test_item_trivial);
for (size_t i = 0; i < SIZE; ++i)
{
CHECK_EQUAL(test_item_trivial, p[i]);
}
CHECK(result == p + SIZE);
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_fill_n_non_trivial)
{
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer_non_trivial);
std::fill(std::begin(buffer_non_trivial), std::end(buffer_non_trivial), 0);
auto result = etl::ranges::uninitialized_fill_n(p, SIZE, test_item_non_trivial);
for (size_t i = 0; i < SIZE; ++i)
{
CHECK_EQUAL(test_item_non_trivial, p[i]);
}
CHECK(result == p + SIZE);
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_fill_n_partial)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0);
auto result = etl::ranges::uninitialized_fill_n(p, 3, test_item_trivial);
for (size_t i = 0; i < 3; ++i)
{
CHECK_EQUAL(test_item_trivial, p[i]);
}
CHECK(result == p + 3);
etl::destroy(p, p + 3);
}
//*************************************************************************
TEST(test_ranges_uninitialized_fill_n_zero_count)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
auto result = etl::ranges::uninitialized_fill_n(p, 0, test_item_trivial);
CHECK(result == p);
}
//*************************************************************************
TEST(test_ranges_uninitialized_move_iterator_trivial)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0);
std::array<trivial_t, SIZE> src(test_data_trivial);
auto result = etl::ranges::uninitialized_move(src.begin(), src.end(), p, p + SIZE);
bool is_equal = std::equal(output_trivial, output_trivial + SIZE, test_data_trivial.begin());
CHECK(is_equal);
CHECK(result.in == src.end());
CHECK(result.out == p + SIZE);
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_move_iterator_non_trivial)
{
moveable_t* p = reinterpret_cast<moveable_t*>(buffer_moveable);
std::fill(std::begin(buffer_moveable), std::end(buffer_moveable), 0);
std::array<moveable_t, SIZE> src = {moveable_t(0), moveable_t(1), moveable_t(2), moveable_t(3), moveable_t(4),
moveable_t(5), moveable_t(6), moveable_t(7), moveable_t(8), moveable_t(9)};
auto result = etl::ranges::uninitialized_move(src.begin(), src.end(), p, p + SIZE);
bool is_equal = (output_moveable[0] == moveable_t(0)) && (output_moveable[1] == moveable_t(1)) && (output_moveable[2] == moveable_t(2))
&& (output_moveable[3] == moveable_t(3)) && (output_moveable[4] == moveable_t(4)) && (output_moveable[5] == moveable_t(5))
&& (output_moveable[6] == moveable_t(6)) && (output_moveable[7] == moveable_t(7)) && (output_moveable[8] == moveable_t(8))
&& (output_moveable[9] == moveable_t(9));
CHECK(is_equal);
// Source elements should have been moved from (invalidated).
for (size_t i = 0; i < SIZE; ++i)
{
CHECK_EQUAL(false, bool(src[i]));
}
CHECK(result.in == src.end());
CHECK(result.out == p + SIZE);
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_move_range_trivial)
{
trivial_t dst[SIZE] = {};
std::array<trivial_t, SIZE> src(test_data_trivial);
auto result = etl::ranges::uninitialized_move(src, dst);
bool is_equal = std::equal(std::begin(dst), std::end(dst), test_data_trivial.begin());
CHECK(is_equal);
CHECK(result.in == src.end());
CHECK(result.out == std::end(dst));
}
//*************************************************************************
TEST(test_ranges_uninitialized_move_range_non_trivial)
{
moveable_t* p = reinterpret_cast<moveable_t*>(buffer_moveable);
std::fill(std::begin(buffer_moveable), std::end(buffer_moveable), 0);
std::array<moveable_t, SIZE> src = {moveable_t(0), moveable_t(1), moveable_t(2), moveable_t(3), moveable_t(4),
moveable_t(5), moveable_t(6), moveable_t(7), moveable_t(8), moveable_t(9)};
etl::span<moveable_t, SIZE> dst(p, SIZE);
auto result = etl::ranges::uninitialized_move(src, dst);
bool is_equal = (output_moveable[0] == moveable_t(0)) && (output_moveable[1] == moveable_t(1)) && (output_moveable[2] == moveable_t(2))
&& (output_moveable[3] == moveable_t(3)) && (output_moveable[4] == moveable_t(4)) && (output_moveable[5] == moveable_t(5))
&& (output_moveable[6] == moveable_t(6)) && (output_moveable[7] == moveable_t(7)) && (output_moveable[8] == moveable_t(8))
&& (output_moveable[9] == moveable_t(9));
CHECK(is_equal);
// Source elements should have been moved from (invalidated).
for (size_t i = 0; i < SIZE; ++i)
{
CHECK_EQUAL(false, bool(src[i]));
}
CHECK(result.in == src.end());
CHECK(result.out == dst.end());
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_move_output_shorter)
{
// Output range is shorter than input; should stop at output end.
std::array<trivial_t, 5> small_dst = {};
std::array<trivial_t, SIZE> src(test_data_trivial);
auto result = etl::ranges::uninitialized_move(src.begin(), src.end(), small_dst.begin(), small_dst.end());
bool is_equal = std::equal(small_dst.begin(), small_dst.end(), test_data_trivial.begin());
CHECK(is_equal);
CHECK(result.in == src.begin() + 5);
CHECK(result.out == small_dst.end());
}
//*************************************************************************
TEST(test_ranges_uninitialized_move_input_shorter)
{
// Input range is shorter than output; should stop at input end.
std::array<trivial_t, 3> small_src = {1, 2, 3};
trivial_t dst[SIZE] = {};
auto result = etl::ranges::uninitialized_move(small_src.begin(), small_src.end(), std::begin(dst), std::end(dst));
CHECK_EQUAL(1U, dst[0]);
CHECK_EQUAL(2U, dst[1]);
CHECK_EQUAL(3U, dst[2]);
CHECK(result.in == small_src.end());
CHECK(result.out == std::begin(dst) + 3);
}
//*************************************************************************
TEST(test_ranges_uninitialized_move_empty)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
std::array<trivial_t, SIZE> src(test_data_trivial);
auto result = etl::ranges::uninitialized_move(src.begin(), src.begin(), p, p + SIZE);
CHECK(result.in == src.begin());
CHECK(result.out == p);
}
//*************************************************************************
TEST(test_ranges_uninitialized_move_n_trivial)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0);
std::array<trivial_t, SIZE> src(test_data_trivial);
auto result = etl::ranges::uninitialized_move_n(src.begin(), SIZE, p, p + SIZE);
bool is_equal = std::equal(output_trivial, output_trivial + SIZE, test_data_trivial.begin());
CHECK(is_equal);
CHECK(result.in == src.end());
CHECK(result.out == p + SIZE);
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_move_n_non_trivial)
{
moveable_t* p = reinterpret_cast<moveable_t*>(buffer_moveable);
std::fill(std::begin(buffer_moveable), std::end(buffer_moveable), 0);
std::array<moveable_t, SIZE> src = {moveable_t(0), moveable_t(1), moveable_t(2), moveable_t(3), moveable_t(4),
moveable_t(5), moveable_t(6), moveable_t(7), moveable_t(8), moveable_t(9)};
auto result = etl::ranges::uninitialized_move_n(src.begin(), SIZE, p, p + SIZE);
bool is_equal = (output_moveable[0] == moveable_t(0)) && (output_moveable[1] == moveable_t(1)) && (output_moveable[2] == moveable_t(2))
&& (output_moveable[3] == moveable_t(3)) && (output_moveable[4] == moveable_t(4)) && (output_moveable[5] == moveable_t(5))
&& (output_moveable[6] == moveable_t(6)) && (output_moveable[7] == moveable_t(7)) && (output_moveable[8] == moveable_t(8))
&& (output_moveable[9] == moveable_t(9));
CHECK(is_equal);
// Source elements should have been moved from (invalidated).
for (size_t i = 0; i < SIZE; ++i)
{
CHECK_EQUAL(false, bool(src[i]));
}
CHECK(result.in == src.end());
CHECK(result.out == p + SIZE);
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_move_n_output_shorter)
{
// Output range is shorter than count; should stop at output end.
std::array<trivial_t, 5> small_dst = {};
std::array<trivial_t, SIZE> src(test_data_trivial);
auto result = etl::ranges::uninitialized_move_n(src.begin(), SIZE, small_dst.begin(), small_dst.end());
bool is_equal = std::equal(small_dst.begin(), small_dst.end(), test_data_trivial.begin());
CHECK(is_equal);
CHECK(result.in == src.begin() + 5);
CHECK(result.out == small_dst.end());
}
//*************************************************************************
TEST(test_ranges_uninitialized_move_n_count_shorter)
{
// Count is shorter than output range; should stop after count elements.
trivial_t dst[SIZE] = {};
std::array<trivial_t, SIZE> src(test_data_trivial);
auto result = etl::ranges::uninitialized_move_n(src.begin(), 3, std::begin(dst), std::end(dst));
bool is_equal = std::equal(std::begin(dst), std::begin(dst) + 3, test_data_trivial.begin());
CHECK(is_equal);
CHECK(result.in == src.begin() + 3);
CHECK(result.out == std::begin(dst) + 3);
}
//*************************************************************************
TEST(test_ranges_uninitialized_move_n_zero_count)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
std::array<trivial_t, SIZE> src(test_data_trivial);
auto result = etl::ranges::uninitialized_move_n(src.begin(), 0, p, p + SIZE);
CHECK(result.in == src.begin());
CHECK(result.out == p);
}
//*************************************************************************
TEST(test_ranges_uninitialized_default_construct_iterator_trivial)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0xFFU);
unsigned char snapshot[sizeof(buffer_trivial)];
std::memcpy(snapshot, buffer_trivial, sizeof(buffer_trivial));
auto result = etl::ranges::uninitialized_default_construct(p, p + SIZE);
CHECK(result == p + SIZE);
// For trivial types default construction is a no-op; raw storage must be
// unchanged.
CHECK(std::memcmp(buffer_trivial, snapshot, sizeof(buffer_trivial)) == 0);
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_default_construct_iterator_non_trivial)
{
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer_non_trivial);
std::fill(std::begin(buffer_non_trivial), std::end(buffer_non_trivial), 0);
auto result = etl::ranges::uninitialized_default_construct(p, p + SIZE);
CHECK(result == p + SIZE);
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_default_construct_range_trivial)
{
alignas(trivial_t) unsigned char buf[sizeof(trivial_t) * SIZE];
std::fill(std::begin(buf), std::end(buf), 0xFFu);
unsigned char snapshot[sizeof(buf)];
std::memcpy(snapshot, buf, sizeof(buf));
trivial_t* p = reinterpret_cast<trivial_t*>(buf);
etl::span<trivial_t, SIZE> dst(p, SIZE);
auto result = etl::ranges::uninitialized_default_construct(dst);
// For trivial types, default construction is a no-op, but the
// returned iterator must point past the last element.
CHECK(result == dst.end());
// Raw storage must be unchanged.
CHECK(std::memcmp(buf, snapshot, sizeof(buf)) == 0);
}
//*************************************************************************
TEST(test_ranges_uninitialized_default_construct_range_non_trivial)
{
alignas(non_trivial_t) unsigned char buffer[sizeof(non_trivial_t) * SIZE];
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer);
etl::span<non_trivial_t, SIZE> dst(p, SIZE);
auto result = etl::ranges::uninitialized_default_construct(dst);
CHECK(result == dst.end());
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_default_construct_empty)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
auto result = etl::ranges::uninitialized_default_construct(p, p);
CHECK(result == p);
}
//*************************************************************************
TEST(test_ranges_uninitialized_default_construct_n_trivial)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0xFFU);
unsigned char snapshot[sizeof(buffer_trivial)];
std::memcpy(snapshot, buffer_trivial, sizeof(buffer_trivial));
auto result = etl::ranges::uninitialized_default_construct_n(p, SIZE);
CHECK(result == p + SIZE);
// For trivial types default construction is a no-op; raw storage must be
// unchanged.
CHECK(std::memcmp(buffer_trivial, snapshot, sizeof(buffer_trivial)) == 0);
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_default_construct_n_non_trivial)
{
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer_non_trivial);
std::fill(std::begin(buffer_non_trivial), std::end(buffer_non_trivial), 0);
auto result = etl::ranges::uninitialized_default_construct_n(p, SIZE);
CHECK(result == p + SIZE);
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_default_construct_n_partial)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0xFFU);
unsigned char snapshot[sizeof(buffer_trivial)];
std::memcpy(snapshot, buffer_trivial, sizeof(buffer_trivial));
auto result = etl::ranges::uninitialized_default_construct_n(p, 3);
CHECK(result == p + 3);
// For trivial types default construction is a no-op; raw storage must be
// unchanged.
CHECK(std::memcmp(buffer_trivial, snapshot, sizeof(buffer_trivial)) == 0);
etl::destroy(p, p + 3);
}
//*************************************************************************
TEST(test_ranges_uninitialized_default_construct_n_zero_count)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
auto result = etl::ranges::uninitialized_default_construct_n(p, 0);
CHECK(result == p);
}
//*************************************************************************
TEST(test_ranges_uninitialized_value_construct_iterator_trivial)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0xFFu);
auto result = etl::ranges::uninitialized_value_construct(p, p + SIZE);
CHECK(result == p + SIZE);
for (size_t i = 0; i < SIZE; ++i)
{
CHECK_EQUAL(trivial_t(), p[i]);
}
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_value_construct_iterator_non_trivial)
{
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer_non_trivial);
std::fill(std::begin(buffer_non_trivial), std::end(buffer_non_trivial), 0);
auto result = etl::ranges::uninitialized_value_construct(p, p + SIZE);
CHECK(result == p + SIZE);
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_value_construct_range_trivial)
{
alignas(trivial_t) unsigned char buf[sizeof(trivial_t) * SIZE];
std::fill(std::begin(buf), std::end(buf), 0xFFu);
trivial_t* p = reinterpret_cast<trivial_t*>(buf);
etl::span<trivial_t, SIZE> dst(p, SIZE);
auto result = etl::ranges::uninitialized_value_construct(dst);
CHECK(result == dst.end());
for (size_t i = 0; i < SIZE; ++i)
{
CHECK_EQUAL(trivial_t(), p[i]);
}
}
//*************************************************************************
TEST(test_ranges_uninitialized_value_construct_range_non_trivial)
{
alignas(non_trivial_t) unsigned char buffer[sizeof(non_trivial_t) * SIZE];
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer);
etl::span<non_trivial_t, SIZE> dst(p, SIZE);
auto result = etl::ranges::uninitialized_value_construct(dst);
CHECK(result == dst.end());
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_value_construct_empty)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
auto result = etl::ranges::uninitialized_value_construct(p, p);
CHECK(result == p);
}
//*************************************************************************
TEST(test_ranges_uninitialized_value_construct_n_trivial)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0xFFu);
auto result = etl::ranges::uninitialized_value_construct_n(p, SIZE);
CHECK(result == p + SIZE);
for (size_t i = 0; i < SIZE; ++i)
{
CHECK_EQUAL(trivial_t(), p[i]);
}
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_value_construct_n_non_trivial)
{
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer_non_trivial);
std::fill(std::begin(buffer_non_trivial), std::end(buffer_non_trivial), 0);
auto result = etl::ranges::uninitialized_value_construct_n(p, SIZE);
CHECK(result == p + SIZE);
etl::destroy(p, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_uninitialized_value_construct_n_partial)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0xFFu);
auto result = etl::ranges::uninitialized_value_construct_n(p, 3);
CHECK(result == p + 3);
for (size_t i = 0; i < 3; ++i)
{
CHECK_EQUAL(trivial_t(), p[i]);
}
etl::destroy(p, p + 3);
}
//*************************************************************************
TEST(test_ranges_uninitialized_value_construct_n_zero_count)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
auto result = etl::ranges::uninitialized_value_construct_n(p, 0);
CHECK(result == p);
}
//*************************************************************************
TEST(test_ranges_construct_at_trivial)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
etl::ranges::construct_at(p, test_item_trivial);
CHECK_EQUAL(test_item_trivial, *p);
etl::destroy_at(p);
}
//*************************************************************************
TEST(test_ranges_construct_at_non_trivial)
{
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer_non_trivial);
etl::ranges::construct_at(p, test_item_non_trivial);
CHECK_EQUAL(test_item_non_trivial, *p);
etl::destroy_at(p);
}
//*************************************************************************
TEST(test_ranges_construct_at_default)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
etl::ranges::construct_at(p);
CHECK_EQUAL(trivial_t(), *p);
etl::destroy_at(p);
}
//*************************************************************************
TEST(test_ranges_destroy_at_trivial)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
etl::construct_at(p, test_item_trivial);
CHECK_EQUAL(test_item_trivial, *p);
etl::ranges::destroy_at(p);
}
//*************************************************************************
TEST(test_ranges_destroy_at_non_trivial)
{
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer_non_trivial);
etl::construct_at(p, test_item_non_trivial);
CHECK_EQUAL(test_item_non_trivial, *p);
etl::ranges::destroy_at(p);
}
//*************************************************************************
TEST(test_ranges_destroy_iterator_trivial)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0);
etl::uninitialized_copy(test_data_trivial.begin(), test_data_trivial.end(), p);
auto result = etl::ranges::destroy(p, p + SIZE);
CHECK(result == p + SIZE);
}
//*************************************************************************
TEST(test_ranges_destroy_iterator_non_trivial)
{
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer_non_trivial);
std::fill(std::begin(buffer_non_trivial), std::end(buffer_non_trivial), 0);
etl::uninitialized_copy(test_data_non_trivial.begin(), test_data_non_trivial.end(), p);
auto result = etl::ranges::destroy(p, p + SIZE);
CHECK(result == p + SIZE);
}
//*************************************************************************
TEST(test_ranges_destroy_range_trivial)
{
std::array<trivial_t, SIZE> dst;
std::copy(test_data_trivial.begin(), test_data_trivial.end(), dst.begin());
auto result = etl::ranges::destroy(dst);
CHECK(result == dst.end());
}
//*************************************************************************
TEST(test_ranges_destroy_range_non_trivial)
{
alignas(non_trivial_t) unsigned char buffer[sizeof(non_trivial_t) * SIZE];
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer);
etl::span<non_trivial_t, SIZE> dst(p, SIZE);
etl::uninitialized_copy(test_data_non_trivial.begin(), test_data_non_trivial.end(), p);
auto result = etl::ranges::destroy(dst);
CHECK(result == dst.end());
}
//*************************************************************************
TEST(test_ranges_destroy_empty)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
auto result = etl::ranges::destroy(p, p);
CHECK(result == p);
}
//*************************************************************************
TEST(test_ranges_destroy_n_trivial)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
std::fill(std::begin(buffer_trivial), std::end(buffer_trivial), 0);
etl::uninitialized_copy(test_data_trivial.begin(), test_data_trivial.end(), p);
auto result = etl::ranges::destroy_n(p, SIZE);
CHECK(result == p + SIZE);
}
//*************************************************************************
TEST(test_ranges_destroy_n_non_trivial)
{
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer_non_trivial);
std::fill(std::begin(buffer_non_trivial), std::end(buffer_non_trivial), 0);
etl::uninitialized_copy(test_data_non_trivial.begin(), test_data_non_trivial.end(), p);
auto result = etl::ranges::destroy_n(p, SIZE);
CHECK(result == p + SIZE);
}
//*************************************************************************
TEST(test_ranges_destroy_n_partial)
{
non_trivial_t* p = reinterpret_cast<non_trivial_t*>(buffer_non_trivial);
std::fill(std::begin(buffer_non_trivial), std::end(buffer_non_trivial), 0);
etl::uninitialized_copy(test_data_non_trivial.begin(), test_data_non_trivial.end(), p);
auto result = etl::ranges::destroy_n(p, 3);
CHECK(result == p + 3);
// Clean up the rest
etl::destroy(p + 3, p + SIZE);
}
//*************************************************************************
TEST(test_ranges_destroy_n_zero_count)
{
trivial_t* p = reinterpret_cast<trivial_t*>(buffer_trivial);
auto result = etl::ranges::destroy_n(p, 0);
CHECK(result == p);
}
#endif
#if ETL_USING_CPP11
//*************************************************************************
TEST(test_trivially_relocate_trivial)
{
alignas(trivial_t) unsigned char src_buffer[sizeof(trivial_t) * SIZE];
alignas(trivial_t) unsigned char dst_buffer[sizeof(trivial_t) * SIZE];
trivial_t* src = reinterpret_cast<trivial_t*>(src_buffer);
trivial_t* dst = reinterpret_cast<trivial_t*>(dst_buffer);
// Initialize source
for (size_t i = 0; i < SIZE; ++i)
{
src[i] = test_data_trivial[i];
}
// Relocate
trivial_t* result = etl::trivially_relocate(src, src + SIZE, dst);
// Check result
CHECK(result == dst + SIZE);
// Check destination values
for (size_t i = 0; i < SIZE; ++i)
{
CHECK_EQUAL(test_data_trivial[i], dst[i]);
}
}
//*************************************************************************
TEST(test_trivially_relocate_same_location)
{
alignas(trivial_t) unsigned char buffer[sizeof(trivial_t) * SIZE];
trivial_t* p = reinterpret_cast<trivial_t*>(buffer);
// Initialize
for (size_t i = 0; i < SIZE; ++i)
{
p[i] = test_data_trivial[i];
}
// Relocate to same location should return last
trivial_t* result = etl::trivially_relocate(p, p + SIZE, p);
CHECK(result == p + SIZE);
// Values should be unchanged
for (size_t i = 0; i < SIZE; ++i)
{
CHECK_EQUAL(test_data_trivial[i], p[i]);
}
}
//*************************************************************************
TEST(test_trivially_relocate_empty_range)
{
alignas(trivial_t) unsigned char src_buffer[sizeof(trivial_t) * SIZE];
alignas(trivial_t) unsigned char dst_buffer[sizeof(trivial_t) * SIZE];
trivial_t* src = reinterpret_cast<trivial_t*>(src_buffer);
trivial_t* dst = reinterpret_cast<trivial_t*>(dst_buffer);
// Relocate empty range
trivial_t* result = etl::trivially_relocate(src, src, dst);
CHECK(result == dst);
}
//*************************************************************************
TEST(test_trivially_relocate_overlapping_forward)
{
alignas(trivial_t) unsigned char buffer[sizeof(trivial_t) * (SIZE + 2)];
trivial_t* p = reinterpret_cast<trivial_t*>(buffer);
// Initialize
for (size_t i = 0; i < SIZE; ++i)
{
p[i] = test_data_trivial[i];
}
// Relocate forward (overlapping) - shift elements by 2
trivial_t* result = etl::trivially_relocate(p, p + SIZE, p + 2);
CHECK(result == p + SIZE + 2);
// Check values
for (size_t i = 0; i < SIZE; ++i)
{
CHECK_EQUAL(test_data_trivial[i], p[i + 2]);
}
}
//*************************************************************************
TEST(test_relocate_trivial)
{
alignas(trivial_t) unsigned char src_buffer[sizeof(trivial_t) * SIZE];
alignas(trivial_t) unsigned char dst_buffer[sizeof(trivial_t) * SIZE];
trivial_t* src = reinterpret_cast<trivial_t*>(src_buffer);
trivial_t* dst = reinterpret_cast<trivial_t*>(dst_buffer);
// Initialize source
for (size_t i = 0; i < SIZE; ++i)
{
src[i] = test_data_trivial[i];
}
// Relocate
trivial_t* result = etl::relocate(src, src + SIZE, dst);
// Check result
CHECK(result == dst + SIZE);
// Check destination values
for (size_t i = 0; i < SIZE; ++i)
{
CHECK_EQUAL(test_data_trivial[i], dst[i]);
}
}
//*************************************************************************
TEST(test_relocate_same_location)
{
alignas(trivial_t) unsigned char buffer[sizeof(trivial_t) * SIZE];
trivial_t* p = reinterpret_cast<trivial_t*>(buffer);
// Initialize
for (size_t i = 0; i < SIZE; ++i)
{
p[i] = test_data_trivial[i];
}
// Relocate to same location should return last
trivial_t* result = etl::relocate(p, p + SIZE, p);
CHECK(result == p + SIZE);
// Values should be unchanged
for (size_t i = 0; i < SIZE; ++i)
{
CHECK_EQUAL(test_data_trivial[i], p[i]);
}
}
//*************************************************************************
TEST(test_relocate_empty_range)
{
alignas(trivial_t) unsigned char src_buffer[sizeof(trivial_t) * SIZE];
alignas(trivial_t) unsigned char dst_buffer[sizeof(trivial_t) * SIZE];
trivial_t* src = reinterpret_cast<trivial_t*>(src_buffer);
trivial_t* dst = reinterpret_cast<trivial_t*>(dst_buffer);
// Relocate empty range
trivial_t* result = etl::relocate(src, src, dst);
CHECK(result == dst);
}
//*************************************************************************
TEST(test_relocate_non_trivial)
{
const size_t N = 5;
alignas(relocatable_t) unsigned char src_buffer[sizeof(relocatable_t) * N];
alignas(relocatable_t) unsigned char dst_buffer[sizeof(relocatable_t) * N];
relocatable_t* src = reinterpret_cast<relocatable_t*>(src_buffer);
relocatable_t* dst = reinterpret_cast<relocatable_t*>(dst_buffer);
// Placement-new source objects
for (size_t i = 0; i < N; ++i)
{
::new (static_cast<void*>(src + i)) relocatable_t(static_cast<int>(i + 1));
}
relocatable_t::reset_counts();
// Relocate (non-trivial path: move-construct into dst, destroy src)
relocatable_t* result = etl::relocate(src, src + N, dst);
// Returned pointer must be one-past-end of destination
CHECK(result == dst + N);
// Destination objects were move-constructed with correct values
for (size_t i = 0; i < N; ++i)
{
CHECK_EQUAL(static_cast<int>(i + 1), dst[i].value);
CHECK(dst[i].was_moved_into);
}
// Destructors were called for the N source objects
CHECK_EQUAL(static_cast<int>(N), relocatable_t::destructor_count);
// Clean up destination objects
relocatable_t::reset_counts();
for (size_t i = 0; i < N; ++i)
{
dst[i].~relocatable_t();
}
}
//*************************************************************************
TEST(test_relocate_non_trivial_same_location)
{
const size_t N = 5;
alignas(relocatable_t) unsigned char buffer[sizeof(relocatable_t) * N];
relocatable_t* p = reinterpret_cast<relocatable_t*>(buffer);
// Placement-new objects
for (size_t i = 0; i < N; ++i)
{
::new (static_cast<void*>(p + i)) relocatable_t(static_cast<int>(i + 1));
}
relocatable_t::reset_counts();
// Relocating to the same location should be a no-op (early return)
relocatable_t* result = etl::relocate(p, p + N, p);
CHECK(result == p + N);
// No destructors should have been called (no move-and-destroy performed)
CHECK_EQUAL(0, relocatable_t::destructor_count);
// Values should be unchanged
for (size_t i = 0; i < N; ++i)
{
CHECK_EQUAL(static_cast<int>(i + 1), p[i].value);
CHECK(!p[i].was_moved_into);
}
// Clean up
relocatable_t::reset_counts();
for (size_t i = 0; i < N; ++i)
{
p[i].~relocatable_t();
}
}
//*************************************************************************
TEST(test_relocate_non_trivial_empty_range)
{
alignas(relocatable_t) unsigned char src_buffer[sizeof(relocatable_t)];
alignas(relocatable_t) unsigned char dst_buffer[sizeof(relocatable_t)];
relocatable_t* src = reinterpret_cast<relocatable_t*>(src_buffer);
relocatable_t* dst = reinterpret_cast<relocatable_t*>(dst_buffer);
relocatable_t::reset_counts();
// Empty range: first == last
relocatable_t* result = etl::relocate(src, src, dst);
CHECK(result == dst);
// No destructors should have been called
CHECK_EQUAL(0, relocatable_t::destructor_count);
}
#endif
}
} // namespace