d87eea35fa
This is the first step in preparation for: https://discourse.llvm.org/t/rfc-make-clang-builtin-math-functions-constexpr-with-llvm-libc-to-support-c-23-constexpr-math-functions/86450
41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
//===-- ErrnoCheckingTest.h ------------------------------------*- C++ -*-===//
|
|
//
|
|
// 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 LLVM_LIBC_TEST_UNITTEST_ERRNOCHECKINGTEST_H
|
|
#define LLVM_LIBC_TEST_UNITTEST_ERRNOCHECKINGTEST_H
|
|
|
|
#include "src/__support/libc_errno.h"
|
|
#include "src/__support/macros/config.h"
|
|
#include "test/UnitTest/Test.h"
|
|
|
|
namespace LIBC_NAMESPACE_DECL {
|
|
namespace testing {
|
|
|
|
// Provides a test fixture for tests that validate modifications of the errno.
|
|
// It clears out the errno at the beginning of the test (e.g. in case it
|
|
// contained the value pre-set by the system), and confirms it's still zero
|
|
// at the end of the test, forcing the test author to explicitly account for all
|
|
// non-zero values.
|
|
class ErrnoCheckingTest : public Test {
|
|
public:
|
|
void SetUp() override {
|
|
Test::SetUp();
|
|
libc_errno = 0;
|
|
}
|
|
|
|
void TearDown() override {
|
|
ASSERT_ERRNO_SUCCESS();
|
|
Test::TearDown();
|
|
}
|
|
};
|
|
|
|
} // namespace testing
|
|
} // namespace LIBC_NAMESPACE_DECL
|
|
|
|
#endif // LLVM_LIBC_TEST_UNITTEST_ERRNOCHECKINGTEST_H
|