coffee/etl
1
0
Fork 0
mirror of https://github.com/ETLCPP/etl.git synced 2026-04-30 19:09:10 +08:00
Code Issues Packages Projects Releases Wiki Activity

Add etl::inplace_function (#1251)

Browse Source 
* Imported inplace_function and invoke functionality from original branch

* Fixed spelling mistake

* Update test/CMakeLists.txt

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update test/test_inplace_function.cpp

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Moved member type function_ptr to private section

* Updated comments in inplace_function.h

* Updated action workflows to be triggered on a pull-request based on development branch

* Added suggested changes from PR reviews

---------

Co-authored-by: John Wellbelove <john.wellbelove@etlcpp.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: John Wellbelove <john.wellbelove@etlcpp.co.uk>
This commit is contained in:
John Wellbelove 2026-01-10 09:46:50 +01:00 committed by GitHub
parent 09555434f6
commit 6d6ecc9fb5
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
25 changed files with 4886 additions and 133 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
.github/workflows/clang-c++11.yml vendored
View File

@ -3,7 +3,7 @@ on:
push:
branches: [ master, development, pull-request/* ]
pull_request:
branches: [ master, pull-request/* ]
branches: [ master, development, pull-request/* ]
types: [opened, synchronize, reopened]
jobs:

2
.github/workflows/clang-c++14.yml vendored
View File

@ -3,7 +3,7 @@ on:
push:
branches: [ master, development, pull-request/* ]
pull_request:
branches: [ master, pull-request/* ]
branches: [ master, development, pull-request/* ]
types: [opened, synchronize, reopened]
jobs:

2
.github/workflows/clang-c++17.yml vendored
View File

@ -3,7 +3,7 @@ on:
push:
branches: [ master, development, pull-request/* ]
pull_request:
branches: [ master, pull-request/* ]
branches: [ master, development, pull-request/* ]
types: [opened, synchronize, reopened]
jobs:

2
.github/workflows/clang-c++20.yml vendored
View File

@ -3,7 +3,7 @@ on:
push:
branches: [ master, development, pull-request/* ]
pull_request:
branches: [ master, pull-request/* ]
branches: [ master, development, pull-request/* ]
types: [opened, synchronize, reopened]
jobs:

3
.github/workflows/clang-c++23.yml vendored
View File

@ -3,7 +3,8 @@ on:
push:
branches: [ master, development, pull-request/* ]
pull_request:
branches: [ master, pull-request/* ]
branches: [ master, development, pull-request/* ]
types: [opened, synchronize, reopened]
jobs:

2
.github/workflows/clang-syntax-checks.yml vendored
View File

@ -3,7 +3,7 @@ on:
push:
branches: [ master, development, pull-request/* ]
pull_request:
branches: [ master, pull-request/* ]
branches: [ master, development, pull-request/* ]
types: [opened, synchronize, reopened]
jobs:

2
.github/workflows/gcc-c++11.yml vendored
View File

@ -3,7 +3,7 @@ on:
push:
branches: [ master, development, pull-request/* ]
pull_request:
branches: [ master, pull-request/* ]
branches: [ master, development, pull-request/* ]
types: [opened, synchronize, reopened]
jobs:

2
.github/workflows/gcc-c++14.yml vendored
View File

@ -3,7 +3,7 @@ on:
push:
branches: [ master, development, pull-request/* ]
pull_request:
branches: [ master, pull-request/* ]
branches: [ master, development, pull-request/* ]
types: [opened, synchronize, reopened]
jobs:

2
.github/workflows/gcc-c++17.yml vendored
View File

@ -3,7 +3,7 @@ on:
push:
branches: [ master, development, pull-request/* ]
pull_request:
branches: [ master, pull-request/* ]
branches: [ master, development, pull-request/* ]
types: [opened, synchronize, reopened]
jobs:

2
.github/workflows/gcc-c++20.yml vendored
View File

@ -3,7 +3,7 @@ on:
push:
branches: [ master, development, pull-request/* ]
pull_request:
branches: [ master, pull-request/* ]
branches: [ master, development, pull-request/* ]
types: [opened, synchronize, reopened]
jobs:

3
.github/workflows/gcc-c++23.yml vendored
View File

@ -3,7 +3,8 @@ on:
push:
branches: [ master, development, pull-request/* ]
pull_request:
branches: [ master, pull-request/* ]
branches: [ master, development, pull-request/* ]
types: [opened, synchronize, reopened]
jobs:

2
.github/workflows/gcc-syntax-checks.yml vendored
View File

@ -3,7 +3,7 @@ on:
push:
branches: [ master, development, pull-request/* ]
pull_request:
branches: [ master, pull-request/* ]
branches: [ master, development, pull-request/* ]
types: [opened, synchronize, reopened]
jobs:

2
.github/workflows/msvc.yml vendored
View File

@ -3,7 +3,7 @@ on:
push:
branches: [ master, development, pull-request/* ]
pull_request:
branches: [ master, pull-request/* ]
branches: [ master, development, pull-request/* ]
types: [opened, synchronize, reopened]
jobs:

1
include/etl/file_error_numbers.h
View File

@ -110,4 +110,5 @@ SOFTWARE.
#define ETL_NOT_NULL_FILE_ID "77"
#define ETL_SIGNAL_FILE_ID "78"
#define ETL_FORMAT_FILE_ID "79"
#define ETL_INPLACE_FUNCTION_FILE_ID "80"
#endif

1529
include/etl/inplace_function.h Normal file
View File

File diff suppressed because it is too large Load Diff

58
include/etl/invoke.h
View File

@ -36,7 +36,6 @@ SOFTWARE.
#include "function_traits.h"
#include "type_traits.h"
#include "utility.h"
#include "type_list.h"
#if ETL_USING_CPP11
@ -173,6 +172,37 @@ namespace etl
static ETL_CONSTANT bool value = type::value;
};
//*******************************************
// Result type of a valid invocation.
template <typename TFunction, typename... TArgs>
struct invoke_result_impl
{
template <typename U>
static auto test(int) -> decltype(etl::invoke(etl::declval<U>(), etl::declval<TArgs>()...));
template <typename>
static void test(...);
using type = decltype(test<TFunction>(0));
};
//*******************************************
// Result type of a valid invocation.
template <typename TFunction, typename... TArgs>
struct invoke_result_impl<TFunction, etl::type_list<TArgs...>>
{
template <typename U>
static auto test(int) -> decltype(etl::invoke(etl::declval<U>(), etl::declval<TArgs>()...));
template <typename>
static void test(...);
using type = decltype(test<TFunction>(0));
};
template <typename TFunction, typename... TArgs>
using invoke_result_impl_t = typename invoke_result_impl<TFunction, TArgs...>::type;
//*******************************************
// Map raw function type to pointer.
template <typename TFunction>
@ -195,7 +225,31 @@ namespace etl
etl::void_t<decltype(etl::invoke(etl::declval<TFunction>(), etl::declval<TArgs>()...))>,
TArgs...>
{
using type = decltype(etl::invoke(etl::declval<TFunction>(), etl::declval<TArgs>()...));
private:
using FC = private_invoke::effective_callable_t<TFunction>;
public:
using type = etl::conditional_t<private_invoke::is_invocable_expr<FC, TArgs...>::value,
private_invoke::invoke_result_impl_t<FC, TArgs...>,
void>;
};
//****************************************************************************
/// invoke_result<TFunction, etl::type_list<TArgs...>>
template <typename TFunction, typename... TArgs>
struct invoke_result<TFunction, etl::type_list<TArgs...>>
{
private:
using FC = private_invoke::effective_callable_t<TFunction>;
public:
using type = etl::conditional_t<private_invoke::is_invocable_expr<FC, TArgs...>::value,
private_invoke::invoke_result_impl_t<FC, TArgs...>,
void>;
};
//*******************************************

6
test/CMakeLists.txt
View File

@ -201,6 +201,7 @@ add_executable(etl_tests
test_index_of_type.cpp
test_indirect_vector.cpp
test_indirect_vector_external_buffer.cpp
test_inplace_function.cpp
test_instance_count.cpp
test_integral_limits.cpp
test_intrusive_forward_list.cpp
@ -209,9 +210,10 @@ add_executable(etl_tests
test_intrusive_queue.cpp
test_intrusive_stack.cpp
test_invert.cpp
test_io_port.cpp
test_iterator.cpp
test_invoke.cpp
test_io_port.cpp
test_is_invocable.cpp
test_iterator.cpp
test_jenkins.cpp
test_largest.cpp
test_limiter.cpp

2
test/syntax_check/CMakeLists.txt
View File

@ -217,6 +217,7 @@ target_sources(tests PRIVATE
imemory_block_allocator.h.t.cpp
indirect_vector.h.t.cpp
initializer_list.h.t.cpp
inplace_function.h.t.cpp
instance_count.h.t.cpp
integral_limits.h.t.cpp
intrusive_forward_list.h.t.cpp
@ -225,6 +226,7 @@ target_sources(tests PRIVATE
intrusive_queue.h.t.cpp
intrusive_stack.h.t.cpp
invert.h.t.cpp
invoke.h.t.cpp
io_port.h.t.cpp
ipool.h.t.cpp
ireference_counted_message_pool.h.t.cpp

29
test/syntax_check/inplace_function.h.t.cpp Normal file
View File

@ -0,0 +1,29 @@
/******************************************************************************
The MIT License(MIT)
Embedded Template Library.
https://github.com/ETLCPP/etl
https://www.etlcpp.com
Copyright(c) 2025 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 <etl/inplace_function.h>

29
test/syntax_check/invoke.h.t.cpp Normal file
View File

@ -0,0 +1,29 @@
/******************************************************************************
The MIT License(MIT)
Embedded Template Library.
https://github.com/ETLCPP/etl
https://www.etlcpp.com
Copyright(c) 2025 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 <etl/invoke.h>

1780
test/test_inplace_function.cpp Normal file
View File

File diff suppressed because it is too large Load Diff

532
test/test_invoke.cpp
View File

@ -28,155 +28,457 @@ SOFTWARE.
#include "unit_test_framework.h"
#include <type_traits>
#include <string>
#include "etl/type_traits.h"
#include "etl/invoke.h"
#include <etl/type_traits.h>
namespace
{
struct TestClass
//*************************************************************************
// Callable subjects
int free_add(int a, int b) { return a + b; }
int free_noexcept(int v) noexcept { return v; }
int free_throw(int v) { throw v; return v; }
// C-style variadic function
int varfn(int first, ...) { return first; }
//*********************************************
struct Base
{
int member_obj = 42;
std::string member_str = "hello";
int data;
Base(int d = 10) : data(d) {}
int get_int()
{
return member_obj;
}
int add(int v) { return data + v; }
int add_const(int v) const { return data + v + 1; }
int const_get_int() const
{
return member_obj + 10;
}
void set_int(int v)
{
member_obj = v;
}
static int static_func(int x)
{
return x * 2;
}
int ref_only(int v)& { return data + v + 2; }
int rref_only(int v)&& { return data + v + 3; }
static int static_function(int v) { return v + 1; }
int noexcept_member(int v) noexcept { return data + v; }
};
int standalone_func(int a, int b)
//*********************************************
struct Derived : Base
{
return a + b;
}
Derived(int d = 20) : Base(d) {}
};
//*********************************************
struct VolatileBase
{
int x;
VolatileBase(int v = 0) : x(v) {}
int read() const volatile { return x; }
};
//*********************************************
struct Functor
{
int operator()(int x) const
{
return x * 5;
}
int x;
explicit Functor(int x_) : x(x_) {}
int operator()(int i) { return i + x; }
};
SUITE(test_invoke)
//*********************************************
struct ConstFunctor
{
//*************************************************************************
TEST(test_type_traits_functions)
int x;
explicit ConstFunctor(int x_) : x(x_) {}
int operator()(int i) const { return i + x; }
};
//*********************************************
struct OverloadedFunctor
{
int operator()(int i)& { return i + 1; }
int operator()(int i)&& { return i + 2; }
};
//*********************************************
struct MoveOnlyFunctor
{
MoveOnlyFunctor() = default;
MoveOnlyFunctor(const MoveOnlyFunctor&) = delete;
MoveOnlyFunctor(MoveOnlyFunctor&&) = default;
int operator()(int i) { return i + 1; }
};
//*********************************************
struct NoThrowFunctor
{
int operator()(int i) const noexcept { return i + 2; }
};
//*********************************************
struct ThrowingFunctor
{
int operator()(int) { throw 42; }
};
//*********************************************
struct MemberObj
{
MemberObj(int v) : i(v)
{
CHECK_TRUE(etl::is_function<int(int)>::value);
CHECK_TRUE(!etl::is_function<int>::value);
CHECK_TRUE(!etl::is_function<int*>::value);
CHECK_TRUE(!etl::is_function<int&>::value);
CHECK_TRUE(!etl::is_function<int&&>::value);
}
//*************************************************************************
TEST(test_type_traits_member_pointers)
{
using MemObjPtr = int TestClass::*;
using MemFnPtr = int (TestClass::*)();
int i;
};
CHECK_TRUE(etl::is_member_pointer<MemObjPtr>::value);
CHECK_TRUE(etl::is_member_pointer<MemFnPtr>::value);
CHECK_TRUE(!etl::is_member_pointer<int*>::value);
//*********************************************
template <typename T>
struct IntegralOnly
{
template <typename U, typename = typename etl::enable_if<etl::is_integral<U>::value>::type>
int operator()(U u) { return static_cast<int>(u) + 1; }
CHECK_TRUE(etl::is_member_object_pointer<MemObjPtr>::value);
CHECK_TRUE(!etl::is_member_object_pointer<MemFnPtr>::value);
template <typename U, typename = typename etl::enable_if<!etl::is_integral<U>::value>::type, typename = void>
int operator()(U) = delete;
};
CHECK_TRUE(!etl::is_member_function_pointer<MemObjPtr>::value);
CHECK_TRUE(etl::is_member_function_pointer<MemFnPtr>::value);
}
//*********************************************
// Non-capturing lambda (convertible to function pointer)
static auto lambda_nc = [](int a, int b) { return a + b; };
//*************************************************************************
TEST(test_invoke_callable)
{
CHECK_EQUAL(30, etl::invoke(standalone_func, 10, 20));
#if ETL_USING_CPP14
//*********************************************
// Generic lambda (C++14+)
static auto lambda_generic = [](auto x, auto y) { return x + y; };
#endif
auto lambda = [](int x)
{ return x * 3; };
CHECK_EQUAL(15, etl::invoke(lambda, 5));
//*********************************************
// Overload set (not directly a single callable type for traits)
int overload(int i) { return i + 10; }
long overload(long l) { return l + 20; }
Functor f;
CHECK_EQUAL(60, etl::invoke(f, 12));
int takes_ptr(const int* p) { return *(p + 1); }
CHECK_EQUAL(8, etl::invoke(TestClass::static_func, 4));
}
//*********************************************
struct Selective
{
template <typename T, etl::enable_if_t<etl::is_same<int, T>::value, int> = 0>
int operator()(T) { return 1; }
//*************************************************************************
TEST(test_invoke_mem_func_ptr)
{
TestClass obj;
TestClass* ptr = &obj;
const TestClass const_obj;
template <typename T, etl::enable_if_t<etl::is_same<char, T>::value, int> = 0>
char operator()(T) { return 2; }
CHECK_EQUAL(42, etl::invoke(&TestClass::get_int, obj));
CHECK_EQUAL(42, etl::invoke(&TestClass::get_int, ptr));
CHECK_EQUAL(52, etl::invoke(&TestClass::const_get_int, const_obj));
template <typename T, etl::enable_if_t<!etl::is_integral<T>::value, int> = 0>
int operator()(T) = delete;
};
}
etl::invoke(&TestClass::set_int, obj, 99);
CHECK_EQUAL(99, obj.member_obj);
//*************************************************************************
// Unit tests for etl::is_invocable / etl::is_invocable_r
//*************************************************************************
SUITE(test_invoke)
{
//*************************************************************************
TEST(test_invoke_result)
{
int capture_value = 5;
auto lambda_cap = [capture_value](int a) { return a + capture_value; };
etl::invoke(&TestClass::set_int, ptr, 101);
CHECK_EQUAL(101, ptr->member_obj);
}
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(free_add), int, int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(free_noexcept), int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(free_throw), int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(varfn), int>, int>::value));
//*************************************************************************
TEST(test_invoke_mem_obj_ptr)
{
TestClass obj;
TestClass* ptr = &obj;
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(&Base::add), Base, int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(&Base::add_const), Base, int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(&Base::ref_only), Base&, int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(&Base::rref_only), Base, int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(&Base::noexcept_member), Base, int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(&Base::static_function), int>, int>::value));
CHECK_EQUAL(42, etl::invoke(&TestClass::member_obj, obj));
CHECK_EQUAL(42, etl::invoke(&TestClass::member_obj, ptr));
CHECK_EQUAL("hello", etl::invoke(&TestClass::member_str, obj));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(&Derived::add), Derived, int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(&Derived::add_const), Derived, int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(&Derived::ref_only), Derived&, int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(&Derived::rref_only), Derived, int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(&Derived::noexcept_member), Derived, int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(&Derived::static_function), int>, int>::value));
etl::invoke(&TestClass::member_obj, obj) = 1000;
CHECK_EQUAL(1000, obj.member_obj);
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(&VolatileBase::read), VolatileBase>, int>::value));
etl::invoke(&TestClass::member_obj, ptr) = 2000;
CHECK_EQUAL(2000, ptr->member_obj);
}
CHECK_TRUE((etl::is_same<etl::invoke_result_t<Functor, int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<ConstFunctor, int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<OverloadedFunctor&, int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<OverloadedFunctor&&, int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<MoveOnlyFunctor, int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<NoThrowFunctor, int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<ThrowingFunctor, int>, int>::value));
//*************************************************************************
TEST(test_invoke_result_t)
{
using MemFnPtr = decltype(&TestClass::get_int);
using ConstMemFnPtr = decltype(&TestClass::const_get_int);
using MemObjPtr_int = decltype(&TestClass::member_obj);
using FnPtr = int (*)(int, int);
auto val = etl::is_same<etl::invoke_result_t<FnPtr, int, int>, int>::value;
CHECK_TRUE(val);
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(&MemberObj::i), MemberObj&>, int&>::value));
val = etl::is_same<etl::invoke_result_t<MemFnPtr, TestClass&>, int>::value;
CHECK_TRUE(val);
val = etl::is_same<etl::invoke_result_t<MemFnPtr, TestClass*>, int>::value;
CHECK_TRUE(val);
val = etl::is_same<etl::invoke_result_t<ConstMemFnPtr, const TestClass&>, int>::value;
CHECK_TRUE(val);
val = etl::is_same<etl::invoke_result_t<MemObjPtr_int, TestClass&>, int&>::value;
CHECK_TRUE(val);
val = etl::is_same<etl::invoke_result_t<MemObjPtr_int, const TestClass&>, const int&>::value;
CHECK_TRUE(val);
val = etl::is_same<etl::invoke_result_t<MemObjPtr_int, TestClass*>, int&>::value;
CHECK_TRUE(val);
}
CHECK_TRUE((etl::is_same<etl::invoke_result_t<IntegralOnly<int>, int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(lambda_nc), int, int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(lambda_cap), int>, int>::value));
#if ETL_USING_CPP14
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(lambda_generic), int, int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(lambda_generic), long, short>, long>::value));
#endif
int (*ov_int)(int) = &overload;
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(ov_int), int>, int>::value));
long (*ov_long)(long) = &overload;
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(ov_long), long>, long>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<Selective, int>, int>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<Selective, char>, char>::value));
CHECK_TRUE((etl::is_same<etl::invoke_result_t<decltype(takes_ptr), const int* >, int>::value));
}
}
//*************************************************************************
TEST(test_free_function)
{
CHECK_EQUAL(3, etl::invoke(free_add, 1, 2));
}
//*************************************************************************
TEST(test_free_function_pointer_variable)
{
int (*fp)(int, int) = &free_add;
CHECK_EQUAL(3, etl::invoke(fp, 1, 2));
}
//*************************************************************************
TEST(test_function_pointer_const_qualification)
{
int (*const cfp)(int, int) = &free_add;
CHECK_EQUAL(3, etl::invoke(cfp, 1, 2));
}
//*************************************************************************
TEST(test_free_function_noexcept)
{
CHECK_EQUAL(1, etl::invoke(free_noexcept, 1));
}
//*************************************************************************
TEST(test_free_function_throw)
{
CHECK_THROW(etl::invoke(free_throw, 1), int);
}
//*************************************************************************
TEST(test_static_member_function)
{
CHECK_EQUAL(2, etl::invoke(&Base::static_function, 1));
}
//*************************************************************************
TEST(test_member_function)
{
Base base(10);
const Base const_base(20);
Base* p_base = &base;
const Base* p_const_base = &const_base;
CHECK_EQUAL(11, etl::invoke(&Base::add, base, 1));
CHECK_EQUAL(12, etl::invoke(&Base::add, p_base, 2));
CHECK_EQUAL(14, etl::invoke(&Base::add_const, base, 3));
CHECK_EQUAL(15, etl::invoke(&Base::add_const, p_base, 4));
CHECK_EQUAL(26, etl::invoke(&Base::add_const, const_base, 5));
CHECK_EQUAL(27, etl::invoke(&Base::add_const, p_const_base, 6));
}
//*************************************************************************
TEST(test_member_function_noexcept)
{
Base base(10);
CHECK_EQUAL(11, etl::invoke(&Base::noexcept_member, base, 1));
}
//*************************************************************************
TEST(test_member_functions_ref_qualification)
{
Base base(10);
Base& base_ref = base;
Base&& base_rref = Base(10);
CHECK_EQUAL(13, etl::invoke(&Base::ref_only, base_ref, 1));
CHECK_EQUAL(15, etl::invoke(&Base::rref_only, std::move(base_rref), 2));
}
//*************************************************************************
TEST(test_inheritance_member_function)
{
Derived derived(10);
Derived* p_derived = &derived;
CHECK_EQUAL(11, etl::invoke(&Base::add, derived, 1));
CHECK_EQUAL(12, etl::invoke(&Base::add, p_derived, 2));
}
//*************************************************************************
TEST(test_member_function_volatile)
{
VolatileBase volatile_base(10);
CHECK_EQUAL(10, etl::invoke(&VolatileBase::read, volatile_base));
}
//*************************************************************************
TEST(test_member_object_pointer)
{
MemberObj obj(10);
CHECK_EQUAL(10, etl::invoke(&MemberObj::i, obj));
CHECK_EQUAL(20, etl::invoke(&MemberObj::i, obj) = 20);
}
//*************************************************************************
TEST(test_functor_non_const)
{
Functor functor(10);
CHECK_EQUAL(12, etl::invoke(functor, 2));
}
//*************************************************************************
TEST(test_functor_const)
{
const ConstFunctor functor(10);
CHECK_EQUAL(12, etl::invoke(functor, 2));
}
//*************************************************************************
TEST(test_move_only_functor)
{
MoveOnlyFunctor functor;
CHECK_EQUAL(11, etl::invoke(etl::move(functor), 10));
}
//*************************************************************************
TEST(test_overloaded_functor_ref_qualifier)
{
OverloadedFunctor functor;
OverloadedFunctor& functor_ref = functor;
OverloadedFunctor&& functor_rref = OverloadedFunctor();
CHECK_EQUAL(11, etl::invoke(functor_ref, 10));
CHECK_EQUAL(12, etl::invoke(etl::move(functor_rref), 10));
}
//*************************************************************************
TEST(test_nothrow_and_throwing_functors)
{
NoThrowFunctor nothrow_functor;
ThrowingFunctor throwing_functor;
CHECK_EQUAL(12, etl::invoke(nothrow_functor, 10));
CHECK_THROW(etl::invoke(throwing_functor, 10), int);
}
//*************************************************************************
TEST(test_lambda_non_capturing)
{
CHECK_EQUAL(3, etl::invoke(lambda_nc, 1, 2));
}
//*************************************************************************
TEST(test_lambda_capturing)
{
int capture_value = 5;
auto lambda_cap = [capture_value](int a) { return a + capture_value; };
CHECK_EQUAL(6, etl::invoke(lambda_cap, 1));
}
#if ETL_USING_CPP14
//*************************************************************************
TEST(test_lambda_generic)
{
CHECK_EQUAL(3, etl::invoke(lambda_generic, 1, 2));
CHECK_EQUAL(3L, etl::invoke(lambda_generic, 1L, 2L));
CHECK_CLOSE(3.5, etl::invoke(lambda_generic, 1.5, 2.0), 0.001);
}
#endif
//*************************************************************************
TEST(test_template_functor_integral_only)
{
CHECK_EQUAL(2, etl::invoke(IntegralOnly<int>(), 1));
}
//*************************************************************************
TEST(test_additional_user_defined_conversion)
{
struct Converter { operator int() const { return 11; } };
CHECK_EQUAL(22, etl::invoke(free_add, Converter(), 11)); // Converter -> int
}
//*************************************************************************
TEST(test_overload_set)
{
// Selecting explicit overload
int (*ov_i)(int) = &overload;
long (*ov_l)(long) = &overload;
CHECK_EQUAL(11, etl::invoke(ov_i, 1));
CHECK_EQUAL(21L, etl::invoke(ov_l, 1L));
}
//*************************************************************************
TEST(test_deleted_overload)
{
struct DeletedOverload
{
int operator()(double d) { return static_cast<int>(2 * d); }
int operator()(int) = delete;
};
CHECK_CLOSE(6, etl::invoke(DeletedOverload(), 3.14), 0.001);
}
//*************************************************************************
TEST(test_variadic_free_function)
{
CHECK_EQUAL(1, etl::invoke(varfn, 1));
CHECK_EQUAL(2, etl::invoke(varfn, 2, 3.14, "test"));
}
//*************************************************************************
TEST(test_array_decay_argument)
{
int arr[] = {1, 2, 3};
CHECK_EQUAL(2, etl::invoke(takes_ptr, arr));
}
//*************************************************************************
TEST(test_template_functor_multiple_enable_if)
{
CHECK_EQUAL(1, etl::invoke(Selective(), int(0)));
CHECK_EQUAL(2, etl::invoke(Selective(), char(0)));
}
//*************************************************************************
TEST(test_rvalue_ref_member_on_temporary)
{
struct RR
{
int f() && { return 1; }
int g() & { return 2; }
};
RR rr;
CHECK_EQUAL(1, etl::invoke(&RR::f, etl::move(rr)));
CHECK_EQUAL(2, etl::invoke(&RR::g, rr));
}
}

1011
test/test_is_invocable.cpp Normal file
View File

File diff suppressed because it is too large Load Diff

3
test/vs2022/etl.vcxproj
View File

@ -3544,6 +3544,7 @@
<ClInclude Include="..\..\include\etl\function_traits.h" />
<ClInclude Include="..\..\include\etl\gcd.h" />
<ClInclude Include="..\..\include\etl\index_of_type.h" />
<ClInclude Include="..\..\include\etl\inplace_function.h" />
<ClInclude Include="..\..\include\etl\invoke.h" />
<ClInclude Include="..\..\include\etl\lcm.h" />
<ClInclude Include="..\..\include\etl\math.h" />
@ -10347,8 +10348,10 @@
<ClCompile Include="..\test_hfsm_recurse_to_inner_state_on_start.cpp" />
<ClCompile Include="..\test_hfsm_transition_on_enter.cpp" />
<ClCompile Include="..\test_index_of_type.cpp" />
<ClCompile Include="..\test_inplace_function.cpp" />
<ClCompile Include="..\test_intrusive_links.cpp" />
<ClCompile Include="..\test_invoke.cpp" />
<ClCompile Include="..\test_is_invocable.cpp" />
<ClCompile Include="..\test_macros.cpp" />
<ClCompile Include="..\test_math.cpp" />
<ClCompile Include="..\test_math_functions.cpp" />

11
test/vs2022/etl.vcxproj.filters
View File

@ -1534,7 +1534,10 @@
<Filter>UnitTest++\Header Files</Filter>
</ClInclude>
<ClInclude Include="..\..\include\etl\invoke.h">
<Filter>UnitTest++\Header Files</Filter>
<Filter>ETL\Utilities</Filter>
</ClInclude>
<ClInclude Include="..\..\include\etl\inplace_function.h">
<Filter>ETL\Utilities</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
@ -3761,6 +3764,12 @@
<ClCompile Include="..\test_invoke.cpp">
<Filter>Tests\Callbacks &amp; Delegates</Filter>
</ClCompile>
<ClCompile Include="..\test_is_invocable.cpp">
<Filter>Tests\Callbacks &amp; Delegates</Filter>
</ClCompile>
<ClCompile Include="..\test_inplace_function.cpp">
<Filter>Tests\Callbacks &amp; Delegates</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<None Include="..\..\library.properties">