mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-26 01:20:25 +00:00
104 lines
4.4 KiB
C++
104 lines
4.4 KiB
C++
/*
|
|
* Copyright (c) 2020, the SerenityOS developers.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <AK/StdLibExtras.h>
|
|
#include <AK/TestSuite.h>
|
|
#include <AK/TypeList.h>
|
|
|
|
#define STATIC_EXPECT_EQ(lhs, rhs) \
|
|
static_assert(IsSame<lhs, rhs>::value, "");
|
|
|
|
#define STATIC_EXPECT_FALSE(Expression) \
|
|
static_assert(!Expression::value, "");
|
|
|
|
#define STATIC_EXPECT_TRUE(Expression) \
|
|
static_assert(Expression::value, "");
|
|
|
|
#define EXPECT_TRAIT_TRUE(trait, ...) \
|
|
for_each_type<TypeList<__VA_ARGS__>>([]<typename T>(TypeWrapper<T>) { \
|
|
STATIC_EXPECT_TRUE(trait<T>); \
|
|
})
|
|
|
|
#define EXPECT_TRAIT_FALSE(trait, ...) \
|
|
for_each_type<TypeList<__VA_ARGS__>>([]<typename T>(TypeWrapper<T>) { \
|
|
STATIC_EXPECT_FALSE(trait<T>); \
|
|
})
|
|
|
|
#define EXPECT_EQ_WITH_TRAIT(trait, ListA, ListB) \
|
|
for_each_type_zipped<ListA, ListB>([]<typename A, typename B>(TypeWrapper<A>, TypeWrapper<B>) { \
|
|
STATIC_EXPECT_EQ(typename trait<A>::Type, B); \
|
|
})
|
|
|
|
struct Empty {
|
|
};
|
|
|
|
TEST_CASE(FundamentalTypeClassification)
|
|
{
|
|
EXPECT_TRAIT_TRUE(IsVoid, void);
|
|
EXPECT_TRAIT_FALSE(IsVoid, int, Empty, std::nullptr_t);
|
|
|
|
EXPECT_TRAIT_TRUE(IsNullPointer, std::nullptr_t);
|
|
EXPECT_TRAIT_FALSE(IsNullPointer, void, int, Empty, decltype(0));
|
|
|
|
EXPECT_TRAIT_TRUE(IsFloatingPoint, float, double, long double);
|
|
EXPECT_TRAIT_FALSE(IsFloatingPoint, int, Empty, std::nullptr_t, void);
|
|
|
|
EXPECT_TRAIT_TRUE(IsArithmetic, float, double, long double, bool, size_t);
|
|
EXPECT_TRAIT_TRUE(IsArithmetic, char, signed char, unsigned char, char8_t, char16_t, char32_t);
|
|
EXPECT_TRAIT_TRUE(IsArithmetic, short, int, long, long long);
|
|
EXPECT_TRAIT_TRUE(IsArithmetic, unsigned short, unsigned int, unsigned long, unsigned long long);
|
|
|
|
EXPECT_TRAIT_FALSE(IsArithmetic, void, std::nullptr_t, Empty);
|
|
|
|
EXPECT_TRAIT_TRUE(IsFundamental, void, std::nullptr_t);
|
|
EXPECT_TRAIT_TRUE(IsFundamental, float, double, long double, bool, size_t);
|
|
EXPECT_TRAIT_TRUE(IsFundamental, char, signed char, unsigned char, char8_t, char16_t, char32_t);
|
|
EXPECT_TRAIT_TRUE(IsFundamental, short, int, long, long long);
|
|
EXPECT_TRAIT_TRUE(IsFundamental, unsigned short, unsigned int, unsigned long, unsigned long long);
|
|
|
|
EXPECT_TRAIT_FALSE(IsFundamental, Empty, int*, int&);
|
|
|
|
EXPECT_TRAIT_TRUE(IsUnsigned, unsigned);
|
|
EXPECT_TRAIT_TRUE(IsUnsigned, unsigned short);
|
|
EXPECT_TRAIT_TRUE(IsUnsigned, unsigned char);
|
|
EXPECT_TRAIT_TRUE(IsUnsigned, unsigned long);
|
|
EXPECT_TRAIT_FALSE(IsUnsigned, int);
|
|
EXPECT_TRAIT_FALSE(IsUnsigned, short);
|
|
EXPECT_TRAIT_FALSE(IsUnsigned, char);
|
|
EXPECT_TRAIT_FALSE(IsUnsigned, long);
|
|
}
|
|
|
|
TEST_CASE(AddConst)
|
|
{
|
|
// clang-format off
|
|
using NoConstList = TypeList<int, const int, Empty, const Empty>;
|
|
using YesConstList = TypeList<const int, const int, const Empty, const Empty>;
|
|
// clang-format on
|
|
|
|
EXPECT_EQ_WITH_TRAIT(AddConst, NoConstList, YesConstList);
|
|
}
|
|
|
|
TEST_MAIN(TypeTraits)
|