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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#ifndef POINTER_COMPARISON_TEST_HELPER_H
#define POINTER_COMPARISON_TEST_HELPER_H
#include <cstdint>
#include <cassert>
#include "test_macros.h"
template <template <class> class CompareTemplate>
void do_pointer_comparison_test() {
typedef CompareTemplate<int*> Compare;
typedef CompareTemplate<std::uintptr_t> UIntCompare;
#if TEST_STD_VER > 11
typedef CompareTemplate<void> VoidCompare;
#else
typedef Compare VoidCompare;
#endif
Compare comp;
UIntCompare ucomp;
VoidCompare vcomp;
struct {
int a, b;
} local;
int* pointers[] = {&local.a, &local.b, nullptr, &local.a + 1};
for (int* lhs : pointers) {
for (int* rhs : pointers) {
std::uintptr_t lhs_uint = reinterpret_cast<std::uintptr_t>(lhs);
std::uintptr_t rhs_uint = reinterpret_cast<std::uintptr_t>(rhs);
assert(comp(lhs, rhs) == ucomp(lhs_uint, rhs_uint));
assert(vcomp(lhs, rhs) == ucomp(lhs_uint, rhs_uint));
}
}
}
template <class Comp>
void do_pointer_comparison_test(Comp comp) {
struct {
int a, b;
} local;
int* pointers[] = {&local.a, &local.b, nullptr, &local.a + 1};
for (int* lhs : pointers) {
for (int* rhs : pointers) {
std::uintptr_t lhs_uint = reinterpret_cast<std::uintptr_t>(lhs);
std::uintptr_t rhs_uint = reinterpret_cast<std::uintptr_t>(rhs);
void* lhs_void = static_cast<void*>(lhs);
void* rhs_void = static_cast<void*>(rhs);
assert(comp(lhs, rhs) == comp(lhs_uint, rhs_uint));
assert(comp(lhs_void, rhs_void) == comp(lhs_uint, rhs_uint));
}
}
}
#endif // POINTER_COMPARISON_TEST_HELPER_H
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