etl/test/test_span_dynamic_extent.cpp
taltenbach d419bbf16f Fix etl::as_bytes for etl::span<const T> (#1266)
A missing 'const' in the etl::as_bytes implementation was causing a
compile-time error when etl::as_bytes was called on a span of const
values.

Co-authored-by: John Wellbelove <jwellbelove@users.noreply.github.com>
2026-02-03 08:59:49 +00:00

1632 lines
52 KiB
C++

/******************************************************************************
The MIT License(MIT)
Embedded Template Library.
https://github.com/ETLCPP/etl
https://www.etlcpp.com
Copyright(c) 2020 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/span.h"
#include "etl/array.h"
#include "etl/unaligned_type.h"
#include "etl/vector.h"
#include <array>
#include <vector>
#include <algorithm>
#include <iterator>
#if ETL_USING_CPP20
#include <span>
#endif
namespace
{
SUITE(test_span_dynamic_extent)
{
static const size_t SIZE = 10UL;
using EtlData = etl::array<int, SIZE>;
using StlData = std::array<int, SIZE>;
using StlVData = std::vector<int>;
using View = etl::span<int>;
using CView = etl::span<const int>;
#if ETL_USING_CPP20
using StdView = std::span<int>;
#endif
EtlData etldata = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
StlData stldata = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
StlVData stlvdata = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
EtlData etldatasmaller = { 0, 1, 2, 3, 4, 5, 5, 7, 8, 9 };
EtlData etloriginal = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
EtlData etlmodified = { 0, 1, 10, 10, 10, 10, 10, 10, 8, 9 };
const EtlData cetldata = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
const StlData cstldata = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
const StlVData cstlvdata = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
int cdata[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
int* pcdata = cdata;
const int ccdata[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
const int* pccdata = ccdata;
//*************************************************************************
TEST(test_default_constructor)
{
View view;
CHECK_EQUAL(0U, view.size());
CHECK_EQUAL(0U, view.max_size());
CHECK(view.empty());
}
#if ETL_USING_CPP20
//*************************************************************************
TEST(test_construct_from_std_span)
{
StdView stdview(stldata);
View view(stdview);
CHECK_EQUAL(stdview.size(), view.size());
CHECK_EQUAL(stdview.size(), view.size());
bool isEqual = std::equal(view.begin(), view.end(), stdview.begin());
CHECK(isEqual);
}
#endif
//*************************************************************************
TEST(test_constructor_etl_array_1)
{
View view(etldata);
CHECK_EQUAL(etldata.size(), view.size());
CHECK_EQUAL(etldata.max_size(), view.max_size());
bool isEqual = std::equal(view.begin(), view.end(), etldata.begin());
CHECK(isEqual);
}
//*************************************************************************
TEST(test_constructor_etl_array_1_const)
{
CView view(cetldata);
CHECK_EQUAL(cetldata.size(), view.size());
CHECK_EQUAL(cetldata.max_size(), view.max_size());
bool isEqual = std::equal(view.begin(), view.end(), cetldata.begin());
CHECK(isEqual);
}
//*************************************************************************
TEST(test_constructor_etl_array_2)
{
View view(etldata.begin(), etldata.end());
CHECK_EQUAL(SIZE, view.size());
CHECK_EQUAL(SIZE, view.max_size());
bool isEqual = std::equal(view.begin(), view.end(), etldata.begin());
CHECK(isEqual);
}
//*************************************************************************
TEST(test_constructor_etl_array_2_const)
{
CView view(cetldata.begin(), cetldata.end());
CHECK_EQUAL(SIZE, view.size());
CHECK_EQUAL(SIZE, view.max_size());
bool isEqual = std::equal(view.begin(), view.end(), cetldata.begin());
CHECK(isEqual);
}
//*************************************************************************
TEST(test_constructor_stl_array_1)
{
View view(stldata);
CHECK_EQUAL(stldata.size(), view.size());
CHECK_EQUAL(stldata.max_size(), view.max_size());
bool isEqual = std::equal(view.begin(), view.end(), stldata.begin());
CHECK(isEqual);
}
//*************************************************************************
TEST(test_constructor_stl_array_1_const)
{
CView view(cstldata);
CHECK_EQUAL(cstldata.size(), view.size());
CHECK_EQUAL(cstldata.max_size(), view.max_size());
bool isEqual = std::equal(view.begin(), view.end(), cstldata.begin());
CHECK(isEqual);
}
//*************************************************************************
TEST(test_constructor_stl_array_2)
{
View view(stldata.begin(), stldata.end());
CHECK_EQUAL(stldata.size(), view.size());
CHECK_EQUAL(stldata.max_size(), view.max_size());
bool isEqual = std::equal(view.begin(), view.end(), stldata.begin());
CHECK(isEqual);
}
//*************************************************************************
TEST(test_constructor_stl_array_2_const)
{
CView view(cstldata.begin(), cstldata.end());
CHECK_EQUAL(cstldata.size(), view.size());
CHECK_EQUAL(cstldata.max_size(), view.max_size());
bool isEqual = std::equal(view.begin(), view.end(), cstldata.begin());
CHECK(isEqual);
}
//*************************************************************************
TEST(test_constructor_stl_vector_1)
{
View view(stlvdata);
CHECK_EQUAL(stlvdata.size(), view.size());
CHECK_EQUAL(stlvdata.size(), view.max_size());
bool isEqual = std::equal(view.begin(), view.end(), stlvdata.begin());
CHECK(isEqual);
}
//*************************************************************************
TEST(test_constructor_stl_vector_1_const)
{
CView view(cstlvdata);
CHECK_EQUAL(cstlvdata.size(), view.size());
CHECK_EQUAL(cstlvdata.size(), view.max_size());
bool isEqual = std::equal(view.begin(), view.end(), cstlvdata.begin());
CHECK(isEqual);
}
//*************************************************************************
TEST(test_constructor_c_array_1)
{
View view(pcdata, SIZE);
CHECK_EQUAL(SIZE, view.size());
CHECK_EQUAL(SIZE, view.max_size());
bool isEqual = std::equal(view.begin(), view.end(), pcdata);
CHECK(isEqual);
}
//*************************************************************************
TEST(test_constructor_c_array_1_const)
{
CView view(pccdata, SIZE);
CHECK_EQUAL(SIZE, view.size());
CHECK_EQUAL(SIZE, view.max_size());
bool isEqual = std::equal(view.begin(), view.end(), pccdata);
CHECK(isEqual);
}
//*************************************************************************
TEST(test_constructor_c_array_2)
{
View view(cdata);
CHECK_EQUAL(SIZE, view.size());
CHECK_EQUAL(SIZE, view.max_size());
bool isEqual = std::equal(view.begin(), view.end(), cdata);
CHECK(isEqual);
}
//*************************************************************************
TEST(test_constructor_c_array_2_const)
{
CView view(ccdata);
CHECK_EQUAL(SIZE, view.size());
CHECK_EQUAL(SIZE, view.max_size());
bool isEqual = std::equal(view.begin(), view.end(), ccdata);
CHECK(isEqual);
}
//*************************************************************************
TEST(test_implicit_constructor_c_array_2)
{
CView view;
view = ccdata;
CHECK_EQUAL(SIZE, view.size());
CHECK_EQUAL(SIZE, view.max_size());
bool isEqual = std::equal(view.begin(), view.end(), ccdata);
CHECK(isEqual);
}
#if ETL_USING_CPP17 && ETL_HAS_INITIALIZER_LIST && !defined(ETL_TEMPLATE_DEDUCTION_GUIDE_TESTS_DISABLED)
//*************************************************************************
TEST(test_cpp17_deduced_constructor)
{
etl::array data{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::span span1{ data };
etl::span span2{ data.begin(), data.end() };
etl::span span3{ data.begin(), data.size() };
etl::span span4{ span1 };
int c_array[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::span span5{ c_array };
bool isEqual = false;
isEqual = std::equal(span1.begin(), span1.end(), data.begin());
CHECK(isEqual);
isEqual = std::equal(span2.begin(), span2.end(), data.begin());
CHECK(isEqual);
isEqual = std::equal(span3.begin(), span3.end(), data.begin());
CHECK(isEqual);
isEqual = std::equal(span4.begin(), span4.end(), data.begin());
CHECK(isEqual);
isEqual = std::equal(span5.begin(), span5.end(), c_array);
CHECK(isEqual);
}
#endif
//*************************************************************************
TEST(test_constructor_range)
{
View view(etldata.begin() + 2, etldata.end() - 2);
CHECK_EQUAL(etldata.size() - 4, view.size());
CHECK_EQUAL(etldata.size() - 4, view.max_size());
bool isEqual = std::equal(view.begin(), view.end(), etldata.begin() + 2);
CHECK(isEqual);
}
//*************************************************************************
TEST(test_copy_constructor_from_same_span_type)
{
etl::array<char, 10> data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
const etl::span<char> view1(data.data(), data.data() + data.size());
etl::span<char> view2(view1);
CHECK_EQUAL(data.size(), view1.size());
CHECK_EQUAL(data.size(), view2.size());
bool isEqual = std::equal(view1.begin(), view1.end(), view2.begin());
CHECK(isEqual);
}
//*************************************************************************
TEST(test_copy_constructor_from_different_span_type)
{
etl::array<char, 10> data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
const etl::span<char> view1(data.data(), data.data() + data.size());
etl::span<const char> view2(view1);
CHECK_EQUAL(data.size(), view1.size());
CHECK_EQUAL(data.size(), view2.size());
bool isEqual = std::equal(view1.begin(), view1.end(), view2.begin());
CHECK(isEqual);
}
//*************************************************************************
TEST(test_assign_from_span)
{
View view1(etldata);
View view2;
CView cview1(etldata);
CView cview2;
view2 = view1;
cview2 = cview1;
CHECK_EQUAL(view1.size(), view2.size());
CHECK_EQUAL(view1.max_size(), view2.max_size());
CHECK_EQUAL(cview1.size(), cview2.size());
CHECK_EQUAL(cview1.max_size(), cview2.max_size());
bool isEqual;
isEqual = std::equal(view1.begin(), view1.end(), view2.begin());
CHECK(isEqual);
isEqual = std::equal(cview1.begin(), cview1.end(), cview2.begin());
CHECK(isEqual);
}
//*************************************************************************
TEST(test_modify_range)
{
View view(etloriginal.begin() + 2, etloriginal.end() - 2);
CHECK_EQUAL(etloriginal.size() - 4, view.size());
CHECK_EQUAL(etloriginal.size() - 4, view.max_size());
std::fill(view.begin(), view.end(), 10);
bool isEqual;
isEqual = std::equal(etloriginal.begin(), etloriginal.end(), etlmodified.begin());
CHECK(isEqual);
isEqual = std::equal(etldata.begin(), etldata.end(), etlmodified.begin());
CHECK(!isEqual);
}
//*************************************************************************
TEST(test_begin_end)
{
View view(etldata.begin(), etldata.end());
CView cview(etldata.begin(), etldata.end());
CHECK_EQUAL(etldata.cbegin(), view.cbegin());
CHECK_EQUAL(etldata.begin(), view.begin());
CHECK_EQUAL(etldata.begin(), cview.begin());
CHECK_EQUAL(etldata.cend(), view.crbegin().base());
CHECK_EQUAL(etldata.end(), view.rbegin().base());
CHECK_EQUAL(etldata.end(), cview.rbegin().base());
CHECK_EQUAL(etldata.cend(), view.cend());
CHECK_EQUAL(etldata.end(), view.end());
CHECK_EQUAL(etldata.end(), cview.end());
CHECK_EQUAL(etldata.cbegin(), view.crend().base());
CHECK_EQUAL(etldata.begin(), view.rend().base());
CHECK_EQUAL(etldata.begin(), cview.rend().base());
}
//*************************************************************************
TEST(test_front_back)
{
View view(etldata.begin(), etldata.end());
CView cview(etldata.begin(), etldata.end());
CHECK_EQUAL(etldata.front(), view.front());
CHECK_EQUAL(etldata.front(), cview.front());
CHECK_EQUAL(etldata.back(), view.back());
CHECK_EQUAL(etldata.back(), cview.back());
View empty_view;
CHECK_THROW({ auto front = empty_view.front(); (void)front; }, etl::span_out_of_range);
CHECK_THROW({ auto back = empty_view.back(); (void)back; }, etl::span_out_of_range);
CView empty_cview;
CHECK_THROW({ auto front = empty_cview.front(); (void)front; }, etl::span_out_of_range);
CHECK_THROW({ auto back = empty_cview.back(); (void)back; }, etl::span_out_of_range);
}
//*************************************************************************
TEST(test_data)
{
View view(etldata.begin(), etldata.end());
CView cview(etldata.begin(), etldata.end());
CHECK_EQUAL(etldata.data(), view.data());
CHECK_EQUAL(etldata.data(), cview.data());
}
//*************************************************************************
TEST(test_at)
{
View view(etldata.begin(), etldata.end());
CView cview(etldata.begin(), etldata.end());
for (size_t i = 0UL; i < etldata.size(); ++i)
{
CHECK_EQUAL(etldata.at(i), view.at(i));
CHECK_EQUAL(etldata.at(i), cview.at(i));
}
CHECK_THROW({ int d = view.at(view.size()); (void)d; }, etl::span_out_of_range);
CHECK_THROW({ int d = cview.at(cview.size()); (void)d; }, etl::span_out_of_range);
}
//*************************************************************************
TEST(test_index_operator)
{
View view(etldata.begin(), etldata.end());
CView cview(etldata.begin(), etldata.end());
for (size_t i = 0UL; i < etldata.size(); ++i)
{
CHECK_EQUAL(etldata[i], view[i]);
CHECK_EQUAL(etldata[i], cview[i]);
}
CHECK_THROW({ int d = view[view.size()]; (void)d; }, etl::span_out_of_range);
CHECK_THROW({ int d = cview[cview.size()]; (void)d; }, etl::span_out_of_range);
}
//*************************************************************************
TEST(test_assignment_operator)
{
View view(etldata);
CView cview = view;
CHECK_EQUAL(etldata.size(), cview.size());
CHECK_EQUAL(etldata.max_size(), cview.max_size());
bool isEqual = std::equal(cview.begin(), cview.end(), etldata.begin());
CHECK(isEqual);
}
//*************************************************************************
TEST(test_empty)
{
View view1(etldata.begin(), etldata.begin());
CHECK(view1.empty());
View view2(etldata.begin(), etldata.begin() + 1);
CHECK(!view2.empty());
}
//*************************************************************************
TEST(test_size)
{
View view(etldata);
CHECK_EQUAL(etldata.size(), view.size());
}
//*************************************************************************
TEST(test_size_bytes)
{
View view(etldata);
CHECK_EQUAL(etldata.size() * sizeof(EtlData::value_type), view.size_bytes());
}
//*************************************************************************
TEST(test_swap)
{
View view1(etldata);
View view2(etldatasmaller);
std::swap(view1, view2);
CHECK_EQUAL(etldata.size(), view1.size());
CHECK_EQUAL(etldatasmaller.size(), view2.size());
bool isEqual;
isEqual = std::equal(view1.begin(), view1.end(), etldatasmaller.begin());
CHECK(isEqual);
isEqual = std::equal(view2.begin(), view2.end(), etldata.begin());
CHECK(isEqual);
}
//*************************************************************************
TEST(test_first)
{
std::vector<int> original = { 1, 2, 3, 4, 5, 6, 7, 8 };
std::vector<int> first = { 1, 2, 3, 4, 5, 6 };
View view(original);
CView cview(original);
bool isEqual;
auto result = view.first<6>();
isEqual = std::equal(result.begin(), result.end(), first.begin());
CHECK(isEqual);
CHECK_EQUAL(first.size(), result.extent);
CHECK_EQUAL(first.size(), result.size());
auto cresult = cview.first<6>();
isEqual = std::equal(cresult.begin(), cresult.end(), first.begin());
CHECK(isEqual);
CHECK_EQUAL(first.size(), cresult.extent);
CHECK_EQUAL(first.size(), cresult.size());
CHECK_THROW({ auto result2 = view.first<9>(); (void)result2; }, etl::span_out_of_range);
CHECK_THROW({ auto cresult2 = cview.first<9>(); (void)cresult2; }, etl::span_out_of_range);
}
//*************************************************************************
TEST(test_first_2)
{
std::vector<int> original = {1, 2, 3, 4, 5, 6, 7, 8};
std::vector<int> first = {1, 2, 3, 4, 5, 6};
View view(original);
CView cview(original);
bool isEqual;
auto result = view.first(6);
isEqual = std::equal(result.begin(), result.end(), first.begin());
CHECK(isEqual);
CHECK_EQUAL(first.size(), result.size());
auto cresult = cview.first(6);
isEqual = std::equal(cresult.begin(), cresult.end(), first.begin());
CHECK(isEqual);
CHECK_EQUAL(first.size(), cresult.size());
CHECK_THROW({ auto result2 = view.first(9); (void)result2; }, etl::span_out_of_range);
CHECK_THROW({ auto cresult2 = cview.first(9); (void)cresult2; }, etl::span_out_of_range);
}
//*************************************************************************
TEST(test_last)
{
std::vector<int> original = { 1, 2, 3, 4, 5, 6, 7, 8 };
std::vector<int> last = { 3, 4, 5, 6, 7, 8 };
View view(original);
CView cview(original);
bool isEqual;
auto result = view.last<6>();
isEqual = std::equal(result.begin(), result.end(), last.begin());
CHECK(isEqual);
CHECK_EQUAL(last.size(), result.extent);
CHECK_EQUAL(last.size(), result.size());
auto cresult = cview.last<6>();
isEqual = std::equal(cresult.begin(), cresult.end(), last.begin());
CHECK(isEqual);
CHECK_EQUAL(last.size(), cresult.extent);
CHECK_EQUAL(last.size(), cresult.size());
CHECK_THROW({ auto result2 = view.last<9>(); (void)result2; }, etl::span_out_of_range);
CHECK_THROW({ auto cresult2 = cview.last<9>(); (void)cresult2; }, etl::span_out_of_range);
}
//*************************************************************************
TEST(test_last_2)
{
std::vector<int> original = {1, 2, 3, 4, 5, 6, 7, 8};
std::vector<int> last = {3, 4, 5, 6, 7, 8};
View view(original);
CView cview(original);
bool isEqual;
auto result = view.last(6);
isEqual = std::equal(result.begin(), result.end(), last.begin());
CHECK(isEqual);
CHECK_EQUAL(last.size(), result.size());
auto cresult = cview.last(6);
isEqual = std::equal(cresult.begin(), cresult.end(), last.begin());
CHECK(isEqual);
CHECK_EQUAL(last.size(), cresult.size());
CHECK_THROW({ auto result2 = view.last(9); (void)result2; }, etl::span_out_of_range);
CHECK_THROW({ auto cresult2 = cview.last(9); (void)cresult2; }, etl::span_out_of_range);
}
//*************************************************************************
TEST(test_subspan)
{
std::vector<int> original = { 1, 2, 3, 4, 5, 6, 7, 8 };
std::vector<int> sub1 = { 3, 4, 5, 6 };
std::vector<int> sub2 = { 3, 4, 5, 6, 7, 8 };
View view(original);
CView cview(original);
bool isEqual;
auto span1 = view.subspan<2, 4>();
isEqual = std::equal(span1.begin(), span1.end(), sub1.begin());
CHECK(isEqual);
CHECK_EQUAL(sub1.size(), span1.extent);
CHECK_EQUAL(sub1.size(), span1.size());
auto cspan1 = cview.subspan<2, 4>();
isEqual = std::equal(cspan1.begin(), cspan1.end(), sub1.begin());
CHECK(isEqual);
CHECK_EQUAL(sub1.size(), cspan1.extent);
CHECK_EQUAL(sub1.size(), cspan1.size());
auto span2 = view.subspan<2>();
isEqual = std::equal(span2.begin(), span2.end(), sub2.begin());
CHECK(isEqual);
CHECK_EQUAL(etl::dynamic_extent, span2.extent);
CHECK_EQUAL(sub2.size(), span2.size());
auto cspan2 = cview.subspan<2>();
isEqual = std::equal(cspan2.begin(), cspan2.end(), sub2.begin());
CHECK(isEqual);
CHECK_EQUAL(etl::dynamic_extent, cspan2.extent);
CHECK_EQUAL(sub2.size(), cspan2.size());
auto span3 = view.subspan(2, 4);
isEqual = std::equal(span3.begin(), span3.end(), sub1.begin());
CHECK(isEqual);
CHECK_EQUAL(etl::dynamic_extent, span3.extent);
CHECK_EQUAL(sub1.size(), span3.size());
auto cspan3 = cview.subspan(2, 4);
isEqual = std::equal(cspan3.begin(), cspan3.end(), sub1.begin());
CHECK(isEqual);
CHECK_EQUAL(etl::dynamic_extent, cspan3.extent);
CHECK_EQUAL(sub1.size(), cspan3.size());
auto span4 = view.subspan(2);
isEqual = std::equal(span4.begin(), span4.end(), sub2.begin());
CHECK(isEqual);
CHECK_EQUAL(etl::dynamic_extent, span4.extent);
CHECK_EQUAL(sub2.size(), span4.size());
auto cspan4 = cview.subspan(2);
isEqual = std::equal(cspan4.begin(), cspan4.end(), sub2.begin());
CHECK(isEqual);
CHECK_EQUAL(etl::dynamic_extent, cspan4.extent);
CHECK_EQUAL(sub2.size(), cspan4.size());
CHECK_THROW({ auto span5 = view.subspan<9>(); (void)span5; }, etl::span_out_of_range);
CHECK_THROW({ auto cspan5 = cview.subspan<9>(); (void)cspan5; }, etl::span_out_of_range);
#define SPAN6_EXPR { auto span6 = view.subspan<2, 7>(); (void)span6; }
CHECK_THROW(SPAN6_EXPR, etl::span_out_of_range);
#define CSPAN6_EXPR { auto cspan6 = cview.subspan<2, 7>(); (void)cspan6; }
CHECK_THROW(CSPAN6_EXPR, etl::span_out_of_range);
CHECK_THROW({ auto span7 = view.subspan(9); (void)span7; }, etl::span_out_of_range);
CHECK_THROW({ auto cspan7 = cview.subspan(9); (void)cspan7; }, etl::span_out_of_range);
CHECK_THROW({ auto span8 = view.subspan(2, 7); (void)span8; }, etl::span_out_of_range);
CHECK_THROW({ auto cspan8 = cview.subspan(2, 7); (void)cspan8; }, etl::span_out_of_range);
}
//*************************************************************************
TEST(test_hash)
{
View view(etldata.begin(), etldata.end());
CView cview(etldata.begin(), etldata.end());
size_t hashdata = etl::private_hash::generic_hash<size_t>(reinterpret_cast<const uint8_t*>(etldata.data()),
reinterpret_cast<const uint8_t*>(etldata.data() + etldata.size()));
size_t hashview = etl::hash<View>()(view);
size_t hashcview = etl::hash<CView>()(cview);
CHECK_EQUAL(hashdata, hashview);
CHECK_EQUAL(hashdata, hashcview);
}
#if ETL_USING_CPP17
//*************************************************************************
TEST(test_template_deduction_guide_for_c_array)
{
int data[] = { 1, 2, 3, 4 };
etl::span s = data;
CHECK_EQUAL(ETL_OR_STD17::size(data), s.extent);
CHECK_EQUAL(ETL_OR_STD17::size(data), s.size());
CHECK((std::is_same_v<int, std::remove_reference_t<decltype(s.front())>>));
}
#if ETL_USING_STL
//*************************************************************************
TEST(test_template_deduction_guide_for_std_array)
{
std::array<int, 4U> data = { 1, 2, 3, 4 };
etl::span s = data;
CHECK_EQUAL(ETL_OR_STD17::size(data), s.extent);
CHECK_EQUAL(ETL_OR_STD17::size(data), s.size());
CHECK((std::is_same_v<int, std::remove_reference_t<decltype(s.front())>>));
}
#endif
//*************************************************************************
TEST(test_template_deduction_guide_for_etl_array)
{
etl::array<int, 4U> data = { 1, 2, 3, 4 };
etl::span s = data;
CHECK_EQUAL(ETL_OR_STD17::size(data), s.extent);
CHECK_EQUAL(ETL_OR_STD17::size(data), s.size());
CHECK((std::is_same_v<int, std::remove_reference_t<decltype(s.front())>>));
}
//*************************************************************************
TEST(test_template_deduction_guide_for_etl_vector)
{
const size_t max_size = 10;
const size_t size = 4;
int buffer1[max_size];
int buffer2[max_size];
int * buffer3[max_size];
int * buffer4[max_size];
const int * buffer5[max_size];
const int * buffer6[max_size];
etl::vector<int, max_size> data(size, 0);
const etl::vector<int, max_size> data2(size, 0);
etl::vector_ext<int> data_ext(size, 0, buffer1, max_size);
const etl::vector_ext<int> data2_ext(size, 0, buffer2, max_size);
etl::span span = data;
etl::span span2 = data2;
etl::span span_ext = data_ext;
etl::span span2_ext = data2_ext;
CHECK_EQUAL(etl::dynamic_extent, span.extent);
CHECK_EQUAL(ETL_OR_STD17::size(data), span.size());
CHECK_EQUAL(etl::dynamic_extent, span2.extent);
CHECK_EQUAL(ETL_OR_STD17::size(data2), span2.size());
CHECK_EQUAL(etl::dynamic_extent, span_ext.extent);
CHECK_EQUAL(ETL_OR_STD17::size(data_ext), span_ext.size());
CHECK_EQUAL(etl::dynamic_extent, span2_ext.extent);
CHECK_EQUAL(ETL_OR_STD17::size(data2_ext), span2_ext.size());
CHECK((std::is_same_v<int, std::remove_reference_t<decltype(span.front())>>));
CHECK((std::is_same_v<const int, std::remove_reference_t<decltype(span2.front())>>));
CHECK((std::is_same_v<int, std::remove_reference_t<decltype(span_ext.front())>>));
CHECK((std::is_same_v<const int, std::remove_reference_t<decltype(span2_ext.front())>>));
etl::vector<int*, max_size> pdata(size, nullptr);
const etl::vector<int*, max_size> pdata2(size, nullptr);
etl::vector<const int*, max_size> pdata3(size, nullptr);
const etl::vector<const int*, max_size> pdata4(size, nullptr);
etl::span pspan = pdata;
etl::span pspan2 = pdata2;
etl::span pspan3 = pdata3;
etl::span pspan4 = pdata4;
CHECK_EQUAL(etl::dynamic_extent, pspan.extent);
CHECK_EQUAL(ETL_OR_STD17::size(pdata), pspan.size());
CHECK_EQUAL(etl::dynamic_extent, pspan2.extent);
CHECK_EQUAL(ETL_OR_STD17::size(pdata2), pspan2.size());
CHECK_EQUAL(etl::dynamic_extent, pspan3.extent);
CHECK_EQUAL(ETL_OR_STD17::size(pdata3), pspan3.size());
CHECK_EQUAL(etl::dynamic_extent, pspan4.extent);
CHECK_EQUAL(ETL_OR_STD17::size(pdata4), pspan4.size());
CHECK((std::is_same_v<int*, std::remove_reference_t<decltype(pspan.front())>>));
CHECK((std::is_same_v<int* const, std::remove_reference_t<decltype(pspan2.front())>>));
CHECK((std::is_same_v<const int*, std::remove_reference_t<decltype(pspan3.front())>>));
CHECK((std::is_same_v<const int* const, std::remove_reference_t<decltype(pspan4.front())>>));
etl::vector_ext<int*> pdata_ext(size, nullptr, buffer3, max_size);
const etl::vector_ext<int*> pdata2_ext(size, nullptr, buffer4, max_size);
etl::vector_ext<const int*> pdata3_ext(size, nullptr, buffer5, max_size);
const etl::vector_ext<const int*> pdata4_ext(size, nullptr, buffer6, max_size);
etl::span pspan_ext = pdata_ext;
etl::span pspan2_ext = pdata2_ext;
etl::span pspan3_ext = pdata3_ext;
etl::span pspan4_ext = pdata4_ext;
CHECK_EQUAL(etl::dynamic_extent, pspan_ext.extent);
CHECK_EQUAL(ETL_OR_STD17::size(pdata_ext), pspan_ext.size());
CHECK_EQUAL(etl::dynamic_extent, pspan2_ext.extent);
CHECK_EQUAL(ETL_OR_STD17::size(pdata2_ext), pspan2_ext.size());
CHECK_EQUAL(etl::dynamic_extent, pspan3_ext.extent);
CHECK_EQUAL(ETL_OR_STD17::size(pdata3_ext), pspan3_ext.size());
CHECK_EQUAL(etl::dynamic_extent, pspan4_ext.extent);
CHECK_EQUAL(ETL_OR_STD17::size(pdata4_ext), pspan4_ext.size());
CHECK((std::is_same_v<int*, std::remove_reference_t<decltype(pspan_ext.front())>>));
CHECK((std::is_same_v<int* const, std::remove_reference_t<decltype(pspan2_ext.front())>>));
CHECK((std::is_same_v<const int*, std::remove_reference_t<decltype(pspan3_ext.front())>>));
CHECK((std::is_same_v<const int* const, std::remove_reference_t<decltype(pspan4_ext.front())>>));
}
//*************************************************************************
TEST(test_template_deduction_guide_for_iterators)
{
etl::array<int, 4U> data = { 1, 2, 3, 4 };
etl::span s{ data.begin(), data.end() };
CHECK_EQUAL(etl::dynamic_extent, s.extent);
CHECK_EQUAL(4U, s.size());
CHECK((std::is_same_v<int, std::remove_reference_t<decltype(s.front())>>));
}
//*************************************************************************
TEST(test_template_deduction_guide_for_iterator_and_size)
{
etl::array<int, 4U> data = { 1, 2, 3, 4 };
etl::span s{ data.begin(), data.size() };
CHECK_EQUAL(etl::dynamic_extent, s.extent);
CHECK_EQUAL(4U, s.size());
CHECK((std::is_same_v<int, std::remove_reference_t<decltype(s.front())>>));
}
#endif
//*************************************************************************
void f_issue_481(etl::span<const char, 10>)
{
}
TEST(test_issue_481)
{
// Should compile.
char c[10];
f_issue_481(c);
}
//*************************************************************************
#include "etl/private/diagnostic_unused_function_push.h"
struct C_issue_482 {};
void f_issue_482(etl::span<char>)
{
}
void f_issue_482(etl::span<C_issue_482>)
{
}
TEST(test_issue_482)
{
etl::array<C_issue_482, 10> c;
// Should compile without ambiguous function error.
f_issue_482(c);
}
//*************************************************************************
void f_issue_482_2(etl::span<char, 10>)
{
}
void f_issue_482_2(etl::span<C_issue_482, 10>)
{
}
TEST(test_issue_482_2)
{
etl::array<C_issue_482, 10> c;
// Should compile without ambiguous function error.
f_issue_482(c);
}
//*************************************************************************
void f_issue_486(etl::span<const char, 11>)
{
}
TEST(test_issue_486)
{
//std::array<char, 10> c;
// Should not compile.
//etl::span<char, 11> value(c);
// Should not compile.
//f_issue_486(c);
}
//*************************************************************************
TEST(test_circular_iterator_pre_increment)
{
etl::array<int, 10> data{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::array<int, 20> expected{ 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
View view{ data };
View::circular_iterator sci = view.begin_circular();
for (int i = 0; i < 20; ++i)
{
CHECK_EQUAL(expected[i], *++sci);
}
}
//*************************************************************************
TEST(test_circular_iterator_pre_increment_for_subspan)
{
etl::array<int, 10> data{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::array<int, 20> expected{ 3, 4, 5, 2, 3, 4, 5, 2, 3, 4, 5, 2, 3, 4, 5, 2, 3, 4, 5, 2 };
View view{ data };
View subspan = view.subspan<2, 4>();
View::circular_iterator sci = subspan.begin_circular();
for (int i = 0; i < 20; ++i)
{
CHECK_EQUAL(expected[i], *++sci);
}
}
//*************************************************************************
TEST(test_circular_iterator_post_increment)
{
etl::array<int, 10> data{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::array<int, 20> expected{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
View view{ data };
View::circular_iterator sci = view.begin_circular();
for (int i = 0; i < 20; ++i)
{
CHECK_EQUAL(expected[i % ETL_OR_STD17::size(expected)], *sci++);
}
}
//*************************************************************************
TEST(test_circular_iterator_post_increment_for_subspan)
{
etl::array<int, 10> data{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::array<int, 20> expected{ 2, 3, 4, 5, 2, 3, 4, 5, 2, 3, 4, 5, 2, 3, 4, 5, 2, 3, 4, 5 };
View view{ data };
View subspan = view.subspan<2, 4>();
View::circular_iterator sci = subspan.begin_circular();
for (int i = 0; i < 20; ++i)
{
CHECK_EQUAL(expected[i], *sci++);
}
}
//*************************************************************************
TEST(test_circular_reverse_iterator_pre_increment)
{
etl::array<int, 10> data{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::array<int, 20> expected{ 8, 7, 6, 5, 4, 3, 2, 1, 0, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 9 };
View view{ data };
View::reverse_circular_iterator sci = view.rbegin_circular();
for (int i = 0; i < 20; ++i)
{
CHECK_EQUAL(expected[i % ETL_OR_STD17::size(expected)], *++sci);
}
}
//*************************************************************************
TEST(test_circular_reverse_iterator_pre_increment_for_subspan)
{
etl::array<int, 10> data{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::array<int, 20> expected{ 4, 3, 2, 5, 4, 3, 2, 5, 4, 3, 2, 5, 4, 3, 2, 5, 4, 3, 2, 5 };
View view{ data };
View subspan = view.subspan<2, 4>();
etl::span<int, 10U>::reverse_circular_iterator sci = subspan.rbegin_circular();
for (int i = 0; i < 20; ++i)
{
CHECK_EQUAL(expected[i % ETL_OR_STD17::size(expected)], *++sci);
}
}
//*************************************************************************
TEST(test_circular_reverse_iterator_post_increment)
{
etl::array<int, 10> data{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::array<int, 20> expected{ 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 };
View view{ data };
View::reverse_circular_iterator sci = view.rbegin_circular();
for (int i = 0; i < 20; ++i)
{
CHECK_EQUAL(expected[i % ETL_OR_STD17::size(expected)], *sci++);
}
}
//*************************************************************************
TEST(test_circular_reverse_iterator_post_increment_for_subspan)
{
etl::array<int, 10> data{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::array<int, 20> expected{ 5, 4, 3, 2, 5, 4, 3, 2, 5, 4, 3, 2, 5, 4, 3, 2, 5, 4, 3, 2 };
View view{ data };
View subspan = view.subspan<2, 4>();
View::reverse_circular_iterator sci = subspan.rbegin_circular();
for (int i = 0; i < 20; ++i)
{
CHECK_EQUAL(expected[i % ETL_OR_STD17::size(expected)], *sci++);
}
}
//*************************************************************************
TEST(test_operator_plus_equals)
{
etl::array<int, 10> data{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::array<int, 20> expected{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
View view{ data };
for (int step = 1; step < 20; ++step)
{
View::circular_iterator sci = view.begin_circular();
for (int i = 0; i < 20; i += step)
{
CHECK_EQUAL(expected[i % 10], *sci);
sci += step;
}
}
}
//*************************************************************************
TEST(test_operator_plus)
{
etl::array<int, 10> data{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::array<int, 20> expected{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
View view{ data };
for (int step = 1; step < 20; ++step)
{
View::circular_iterator sci = view.begin_circular();
for (int i = 0; i < 20; i += step)
{
CHECK_EQUAL(expected[i % 10], *sci);
sci = sci + step;
}
}
}
//*************************************************************************
TEST(test_operator_minus_equals)
{
etl::array<int, 10> data{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::array<int, 20> expected{ 0, 9, 8, 7, 6, 5, 4, 3, 2, 1 };
View view{ data };
for (int step = 1; step < 20; ++step)
{
View::circular_iterator sci = view.begin_circular();
for (int i = 0; i < 20; i += step)
{
CHECK_EQUAL(expected[i % 10], *sci);
sci -= step;
}
}
}
//*************************************************************************
TEST(test_operator_minus)
{
etl::array<int, 10> data{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::array<int, 20> expected{ 0, 9, 8, 7, 6, 5, 4, 3, 2, 1 };
View view{ data };
for (int step = 1; step < 20; ++step)
{
View::circular_iterator sci = view.begin_circular();
for (int i = 0; i < 20; i += step)
{
CHECK_EQUAL(expected[i % 10], *sci);
sci = sci - step;
}
}
}
//*************************************************************************
TEST(test_operator_equality)
{
etl::array<int, 10> data1{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::array<int, 10> data2{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::array<int, 10> data3{ 0, 1, 2, 3, 4, 4, 6, 7, 8, 9 };
etl::array<int, 9> data4{ 0, 1, 2, 3, 5, 6, 7, 8, 9 };
int i = 1;
View view1{ data1 };
View view2{ data1 };
View view3{ data2 };
View view4{ data3 };
View view5{ data4 };
View view6;
View view7;
View view8(&i, &i);
CHECK_TRUE(etl::equal(view1, view2));
CHECK_TRUE(etl::equal(view1, view3));
CHECK_FALSE(etl::equal(view1, view4));
CHECK_FALSE(etl::equal(view1, view5));
CHECK_TRUE(etl::equal(view6, view6));
CHECK_TRUE(etl::equal(view6, view7));
CHECK_TRUE(etl::equal(view6, view8));
CHECK_TRUE(etl::equal(view8, view8));
CHECK_TRUE(view1 == view2);
CHECK_FALSE(view1 == view3);
CHECK_FALSE(view1 == view4);
CHECK_FALSE(view1 == view5);
CHECK_TRUE(view6 == view6);
CHECK_TRUE(view6 == view7);
CHECK_FALSE(view6 == view8);
CHECK_TRUE(view8 == view8);
}
//*************************************************************************
TEST(test_operator_equality_one_is_const)
{
etl::array<int, 10> data1{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::array<int, 10> data2{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::array<int, 10> data3{ 0, 1, 2, 3, 4, 4, 6, 7, 8, 9 };
etl::array<int, 9> data4{ 0, 1, 2, 3, 5, 6, 7, 8, 9 };
int i = 1;
View view1{ data1 };
CView view2{ data1 };
CView view3{ data2 };
CView view4{ data3 };
CView view5{ data4 };
View view6;
CView view7;
CView view8(&i, &i);
CHECK_TRUE(etl::equal(view1, view2));
CHECK_TRUE(etl::equal(view1, view3));
CHECK_FALSE(etl::equal(view1, view4));
CHECK_FALSE(etl::equal(view1, view5));
CHECK_TRUE(etl::equal(view6, view6));
CHECK_TRUE(etl::equal(view6, view7));
CHECK_TRUE(etl::equal(view6, view8));
CHECK_TRUE(etl::equal(view8, view8));
CHECK_TRUE(view1 == view2);
CHECK_FALSE(view1 == view3);
CHECK_FALSE(view1 == view4);
CHECK_FALSE(view1 == view5);
CHECK_TRUE(view6 == view6);
CHECK_TRUE(view6 == view7);
CHECK_FALSE(view6 == view8);
CHECK_TRUE(view8 == view8);
}
//*************************************************************************
TEST(test_operator_not_equal)
{
etl::array<int, 10> data1{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::array<int, 10> data2{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::array<int, 10> data3{ 0, 1, 2, 3, 4, 4, 6, 7, 8, 9 };
etl::array<int, 10> data4{ 0, 1, 2, 3, 5, 6, 7, 8, 9 };
int i = 1;
View view1{ data1 };
View view2{ data1 };
View view3{ data2 };
View view4{ data3 };
View view5{ data4 };
View view6;
View view7;
View view8(&i, &i);
CHECK_TRUE(etl::equal(view1, view2));
CHECK_TRUE(etl::equal(view1, view3));
CHECK_FALSE(etl::equal(view1, view4));
CHECK_FALSE(etl::equal(view1, view5));
CHECK_TRUE(etl::equal(view6, view6));
CHECK_TRUE(etl::equal(view6, view7));
CHECK_TRUE(etl::equal(view6, view8));
CHECK_TRUE(etl::equal(view8, view8));
CHECK_FALSE(view1 != view2);
CHECK_TRUE(view1 != view3);
CHECK_TRUE(view1 != view4);
CHECK_TRUE(view1 != view5);
CHECK_FALSE(view6 != view6);
CHECK_FALSE(view6 != view7);
CHECK_TRUE(view6 != view8);
CHECK_FALSE(view8 != view8);
}
//*************************************************************************
TEST(test_operator_not_equal_one_is_const)
{
etl::array<int, 10> data1{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::array<int, 10> data2{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
etl::array<int, 10> data3{ 0, 1, 2, 3, 4, 4, 6, 7, 8, 9 };
etl::array<int, 9> data4{ 0, 1, 2, 3, 5, 6, 7, 8, 9 };
int i = 1;
View view1{ data1 };
CView view2{ data1 };
CView view3{ data2 };
CView view4{ data3 };
CView view5{ data4 };
View view6;
View view7;
View view8(&i, &i);
CHECK_TRUE(etl::equal(view1, view2));
CHECK_TRUE(etl::equal(view1, view3));
CHECK_FALSE(etl::equal(view1, view4));
CHECK_FALSE(etl::equal(view1, view5));
CHECK_TRUE(etl::equal(view6, view6));
CHECK_TRUE(etl::equal(view6, view7));
CHECK_TRUE(etl::equal(view6, view8));
CHECK_TRUE(etl::equal(view8, view8));
CHECK_FALSE(view1 != view1);
CHECK_FALSE(view1 != view2);
CHECK_TRUE(view1 != view3);
CHECK_TRUE(view1 != view4);
CHECK_TRUE(view1 != view5);
CHECK_FALSE(view6 != view6);
CHECK_FALSE(view6 != view7);
CHECK_TRUE(view6 != view8);
CHECK_FALSE(view8 != view8);
}
//*************************************************************************
TEST(test_convert_span_any_to_span_byte)
{
float data[2]{3.141592f, 2.71828f };
const float const_data[2]{3.141592f, 2.71828f };
auto const const_bytes = etl::as_bytes(etl::span<const float, etl::dynamic_extent>{const_data});
auto const writable_bytes = etl::as_writable_bytes(etl::span<float, etl::dynamic_extent>{data});
CHECK_EQUAL(const_bytes.size(), sizeof(data));
CHECK_EQUAL(writable_bytes.size(), sizeof(data));
etl::byte* pdata = reinterpret_cast<etl::byte*>(data);
// Test the reading of bytes.
for (size_t i = 0; i < sizeof(data); ++i)
{
CHECK_EQUAL(int(pdata[i]), int(const_bytes[i]));
CHECK_EQUAL(int(pdata[i]), int(writable_bytes[i]));
}
// Test writing of bytes.
for (size_t i = 0; i < writable_bytes.size(); ++i)
{
writable_bytes[i] = ~writable_bytes[i];
CHECK_EQUAL(int(pdata[i]), int(writable_bytes[i]));
}
}
//*************************************************************************
TEST(test_make_span_container)
{
{
auto s = etl::make_span(etldata);
CHECK_EQUAL(s.size(), 10);
View view(etldata);
CHECK_TRUE(etl::equal(s, view));
}
{
auto s = etl::make_span(cetldata);
CHECK_EQUAL(s.size(), 10);
View view(etldata);
CHECK_TRUE(etl::equal(s, view));
}
}
//*************************************************************************
TEST(test_advance)
{
{
uint8_t data[] = { 0x01, 0x02, 0x03, 0x04, 0x05 };
etl::span<uint8_t> data0 = data;
CHECK_EQUAL(data0.size(), 5);
data0.advance(1);
CHECK_EQUAL(data0.size(), 4);
CHECK_EQUAL(data0[0], 0x02);
data0.advance(2);
CHECK_EQUAL(data0.size(), 2);
CHECK_EQUAL(data0[0], 0x04);
data0.advance(1);
CHECK_EQUAL(data0.size(), 1);
CHECK_EQUAL(data0[0], 0x05);
data0.advance(1);
CHECK_EQUAL(data0.size(), 0);
}
{
const uint8_t data[] = { 0x01, 0x02, 0x03, 0x04, 0x05 };
etl::span<const uint8_t> data0 = data;
CHECK_EQUAL(data0.size(), 5);
data0.advance(1);
CHECK_EQUAL(data0.size(), 4);
CHECK_EQUAL(data0[0], 0x02);
data0.advance(2);
CHECK_EQUAL(data0.size(), 2);
CHECK_EQUAL(data0[0], 0x04);
data0.advance(1);
CHECK_EQUAL(data0.size(), 1);
CHECK_EQUAL(data0[0], 0x05);
data0.advance(1);
CHECK_EQUAL(data0.size(), 0);
data0.advance(1);
CHECK_EQUAL(data0.size(), 0);
data0.advance(100);
CHECK_EQUAL(data0.size(), 0);
}
}
//*************************************************************************
TEST(test_reinterpret_as)
{
{
uint8_t data[] = { 0x01, 0x02, 0x03, 0x04, 0x05 };
etl::span<uint8_t> data0 = data;
etl::span<etl::be_uint16_t> data1 = data0.reinterpret_as<etl::be_uint16_t>();
CHECK_EQUAL(data1.size(), 2);
CHECK(data1[0] == 0x102);
CHECK(data1[1] == 0x304);
}
{
uint32_t data[] = { 0x01020304 };
etl::span<uint32_t> data0 = data;
etl::span<uint8_t> data1 = data0.reinterpret_as<uint8_t>();
data1 = data1.first(3);
etl::span<int32_t> data2 = data1.reinterpret_as<int32_t>();
CHECK_EQUAL(data2.size(), 0);
}
{
uint32_t data[] = { 0x01020304, 0x06070809 };
etl::span<uint32_t> data0 = data;
etl::span<uint8_t> data1 = data0.reinterpret_as<uint8_t>();
data1 = data1.first(6);
etl::span<int32_t> data2 = data1.reinterpret_as<int32_t>();
CHECK_EQUAL(data2.size(), 1);
auto it = data2.begin();
CHECK_NOT_EQUAL(it, data2.end());
++it;
CHECK_EQUAL(it, data2.end());
}
}
//*************************************************************************
TEST(test_reinterpret_as_aligned)
{
uint32_t data[] = { 0x01020304, 0x020406080, 0x03400560};
etl::span<uint32_t> data0 = data;
CHECK_EQUAL(data0.size(), 3);
etl::span<uint8_t> data1 = data0.reinterpret_as<uint8_t>();
CHECK_EQUAL(data1.size(), 12);
etl::span<uint16_t> data2 = data1.subspan(2).reinterpret_as<uint16_t>();
CHECK_EQUAL(data2.size(), 5);
CHECK_THROW(data2 = data1.subspan(1).reinterpret_as<uint16_t>(), etl::span_alignment_exception);
}
//*************************************************************************
TEST(test_copy)
{
uint8_t src[] = { 0x01, 0x02, 0x03, 0x04, 0x05 };
uint8_t dst[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
etl::span<uint8_t> data0 = src;
etl::span<uint8_t> data1 = dst;
CHECK_EQUAL(etl::copy(data0, data1), true);
CHECK(std::equal(data0.begin(), data0.end(), data1.begin()));
data1 = data1.subspan(1);
CHECK_EQUAL(etl::copy(data0, data1), true);
CHECK(std::equal(data0.begin(), data0.end(), data1.begin()));
data1 = data1.subspan(1);
CHECK_EQUAL(etl::copy(data0, data1), false);
data0 = data0.subspan(0, 0);
CHECK_EQUAL(etl::copy(data0, data1), true);
data0 = src;
data1 = src;
CHECK_EQUAL(etl::copy(data0, data1), true);
}
//*************************************************************************
TEST(test_take_span_size_error)
{
uint8_t src[] = { 0x01, 0x02, 0x03 };
etl::span<uint8_t> data0 = src;
CHECK_THROW({etl::span<etl::be_uint32_t> data1 = data0.take<etl::be_uint32_t>(1); (void) data1;}, etl::span_size_mismatch);
}
//*************************************************************************
TEST(test_take_span_take_uint8_tuint32_t_then_no_data_then_excess_data)
{
uint8_t src[] = { 0x01, 0x02, 0x03, 0x04, 0x05 };
etl::span<uint8_t> data0 = src;
etl::span<uint8_t> data1 = data0.take<uint8_t>(1);
CHECK_EQUAL(data0.size(), 4);
CHECK_EQUAL(data1.size(), 1);
CHECK_EQUAL(data1[0], 0x01);
etl::span<etl::be_uint32_t> data2 = data0.take<etl::be_uint32_t>(1);
CHECK_EQUAL(data0.size(), 0);
CHECK_EQUAL(data2.size(), 1);
CHECK_EQUAL(data2[0], 0x02030405);
data1 = data0.take<uint8_t>(0);
CHECK_EQUAL(data0.size(), 0);
CHECK_EQUAL(data1.size(), 0);
CHECK_THROW({etl::span<uint8_t> data3 = data0.take<uint8_t>(1); (void) data3;}, etl::span_size_mismatch);
}
//*************************************************************************
TEST(test_take_span_take_be_uint32_t_twice_then_uint8_t)
{
uint8_t src[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A };
etl::span<uint8_t> data0 = src;
etl::span<etl::be_uint32_t> data1 = data0.take<etl::be_uint32_t>(2);
CHECK_EQUAL(data0.size(), 2);
CHECK_EQUAL(data1.size(), 2);
CHECK_EQUAL(data1[0], 0x01020304);
CHECK_EQUAL(data1[1], 0x05060708);
etl::span<uint8_t> data2 = data0.take<uint8_t>(1);
CHECK_EQUAL(data0.size(), 1);
CHECK_EQUAL(data2.size(), 1);
CHECK_EQUAL(data2[0], 0x09);
CHECK_EQUAL(data0[0], 0x0A);
}
//*************************************************************************
TEST(test_take_span_const)
{
const uint8_t src[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A };
etl::span<const uint8_t> data0 = src;
etl::span<const etl::be_uint32_t> data1 = data0.take<const etl::be_uint32_t>(2);
CHECK_EQUAL(data0.size(), 2);
CHECK_EQUAL(data1.size(), 2);
CHECK_EQUAL(data1[0], 0x01020304);
CHECK_EQUAL(data1[1], 0x05060708);
etl::span<const uint8_t> data2 = data0.take<const uint8_t>(1);
CHECK_EQUAL(data0.size(), 1);
CHECK_EQUAL(data2.size(), 1);
CHECK_EQUAL(data2[0], 0x09);
data2 = data0.take<const uint8_t>(0);
CHECK_EQUAL(data0.size(), 1);
CHECK_EQUAL(data2.size(), 0);
}
//*************************************************************************
TEST(test_take_single_value)
{
uint8_t src[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A };
etl::span<uint8_t> data0 = src;
uint8_t& data1 = data0.take<uint8_t>();
CHECK_EQUAL(data0.size(), 9);
CHECK_EQUAL(data1, 0x01);
etl::be_uint32_t& data2 = data0.take<etl::be_uint32_t>();
CHECK_EQUAL(data0.size(), 5);
CHECK_EQUAL(data2, 0x02030405);
etl::be_uint32_t& data3 = data0.take<etl::be_uint32_t>();
CHECK_EQUAL(data0.size(), 1);
CHECK_EQUAL(data3, 0x06070809);
uint8_t& data4 = data0.take<uint8_t>();
CHECK_EQUAL(data0.size(), 0);
CHECK_EQUAL(data4, 0x0A);
CHECK_THROW({uint8_t& data5 = data0.take<uint8_t>(); (void) data5;}, etl::span_size_mismatch);
}
//*************************************************************************
TEST(test_take_value_const)
{
const uint8_t src[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A };
etl::span<const uint8_t> data0 = src;
const uint8_t& data1 = data0.take<const uint8_t>();
CHECK_EQUAL(data0.size(), 9);
CHECK_EQUAL(data1, 0x01);
const etl::be_uint32_t& data2 = data0.take<const etl::be_uint32_t>();
CHECK_EQUAL(data0.size(), 5);
CHECK_EQUAL(data2, 0x02030405);
const etl::be_uint32_t& data3 = data0.take<const etl::be_uint32_t>();
CHECK_EQUAL(data0.size(), 1);
CHECK_EQUAL(data3, 0x06070809);
const uint8_t& data4 = data0.take<const uint8_t>();
CHECK_EQUAL(data0.size(), 0);
CHECK_EQUAL(data4, 0x0A);
CHECK_THROW({const uint8_t& data5 = data0.take<const uint8_t>(); (void) data5;}, etl::span_size_mismatch);
}
#include "etl/private/diagnostic_pop.h"
}
}