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//===- STLForwardCompatTest.cpp - Unit tests for STLForwardCompat ---------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/STLForwardCompat.h"
#include "gtest/gtest.h"
namespace {
TEST(STLForwardCompatTest, NegationTest) {
EXPECT_TRUE((llvm::negation<std::false_type>::value));
EXPECT_FALSE((llvm::negation<std::true_type>::value));
}
struct incomplete_type;
TEST(STLForwardCompatTest, ConjunctionTest) {
EXPECT_TRUE((llvm::conjunction<>::value));
EXPECT_FALSE((llvm::conjunction<std::false_type>::value));
EXPECT_TRUE((llvm::conjunction<std::true_type>::value));
EXPECT_FALSE((llvm::conjunction<std::false_type, incomplete_type>::value));
EXPECT_FALSE((llvm::conjunction<std::false_type, std::true_type>::value));
EXPECT_FALSE((llvm::conjunction<std::true_type, std::false_type>::value));
EXPECT_TRUE((llvm::conjunction<std::true_type, std::true_type>::value));
EXPECT_TRUE((llvm::conjunction<std::true_type, std::true_type,
std::true_type>::value));
}
TEST(STLForwardCompatTest, DisjunctionTest) {
EXPECT_FALSE((llvm::disjunction<>::value));
EXPECT_FALSE((llvm::disjunction<std::false_type>::value));
EXPECT_TRUE((llvm::disjunction<std::true_type>::value));
EXPECT_TRUE((llvm::disjunction<std::true_type, incomplete_type>::value));
EXPECT_TRUE((llvm::disjunction<std::false_type, std::true_type>::value));
EXPECT_TRUE((llvm::disjunction<std::true_type, std::false_type>::value));
EXPECT_TRUE((llvm::disjunction<std::true_type, std::true_type>::value));
EXPECT_TRUE((llvm::disjunction<std::true_type, std::true_type,
std::true_type>::value));
}
template <typename T>
class STLForwardCompatRemoveCVRefTest : public ::testing::Test {};
using STLForwardCompatRemoveCVRefTestTypes = ::testing::Types<
// clang-format off
std::pair<int, int>,
std::pair<int &, int>,
std::pair<const int, int>,
std::pair<volatile int, int>,
std::pair<const volatile int &, int>,
std::pair<int *, int *>,
std::pair<int *const, int *>,
std::pair<const int *, const int *>,
std::pair<int *&, int *>
// clang-format on
>;
TYPED_TEST_SUITE(STLForwardCompatRemoveCVRefTest,
STLForwardCompatRemoveCVRefTestTypes, );
TYPED_TEST(STLForwardCompatRemoveCVRefTest, RemoveCVRef) {
using From = typename TypeParam::first_type;
using To = typename TypeParam::second_type;
EXPECT_TRUE(
(std::is_same<typename llvm::remove_cvref<From>::type, To>::value));
}
TYPED_TEST(STLForwardCompatRemoveCVRefTest, RemoveCVRefT) {
using From = typename TypeParam::first_type;
EXPECT_TRUE((std::is_same<typename llvm::remove_cvref<From>::type,
llvm::remove_cvref_t<From>>::value));
}
} // namespace
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