//===-- Simple checkers for integrations tests ------------------*- 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_UTILS_INTEGRATION_TEST_TEST_H
#define LLVM_LIBC_UTILS_INTEGRATION_TEST_TEST_H
#include "src/__support/OSUtil/exit.h"
#include "src/__support/OSUtil/io.h"
#define __AS_STRING(val) #val
#define __CHECK_TRUE(file, line, val, should_exit) \
if (!(val)) { \
LIBC_NAMESPACE::write_to_stderr(file ":" __AS_STRING( \
line) ": Expected '" #val "' to be true, but is false\n"); \
if (should_exit) \
LIBC_NAMESPACE::internal::exit(127); \
}
#define __CHECK_FALSE(file, line, val, should_exit) \
if (val) { \
LIBC_NAMESPACE::write_to_stderr(file ":" __AS_STRING( \
line) ": Expected '" #val "' to be false, but is true\n"); \
if (should_exit) \
LIBC_NAMESPACE::internal::exit(127); \
}
#define __CHECK_EQ(file, line, val1, val2, should_exit) \
if ((val1) != (val2)) { \
LIBC_NAMESPACE::write_to_stderr(file ":" __AS_STRING( \
line) ": Expected '" #val1 "' to be equal to '" #val2 "'\n"); \
if (should_exit) \
LIBC_NAMESPACE::internal::exit(127); \
}
#define __CHECK_NE(file, line, val1, val2, should_exit) \
if ((val1) == (val2)) { \
LIBC_NAMESPACE::write_to_stderr(file ":" __AS_STRING( \
line) ": Expected '" #val1 "' to not be equal to '" #val2 "'\n"); \
if (should_exit) \
LIBC_NAMESPACE::internal::exit(127); \
}
////////////////////////////////////////////////////////////////////////////////
// Boolean checks are handled as comparison to the true / false values.
#define EXPECT_TRUE(val) __CHECK_TRUE(__FILE__, __LINE__, val, false)
#define ASSERT_TRUE(val) __CHECK_TRUE(__FILE__, __LINE__, val, true)
#define EXPECT_FALSE(val) __CHECK_FALSE(__FILE__, __LINE__, val, false)
#define ASSERT_FALSE(val) __CHECK_FALSE(__FILE__, __LINE__, val, true)
////////////////////////////////////////////////////////////////////////////////
// Binary equality / inequality.
#define EXPECT_EQ(val1, val2) \
__CHECK_EQ(__FILE__, __LINE__, (val1), (val2), false)
#define ASSERT_EQ(val1, val2) \
__CHECK_EQ(__FILE__, __LINE__, (val1), (val2), true)
#define EXPECT_NE(val1, val2) \
__CHECK_NE(__FILE__, __LINE__, (val1), (val2), false)
#define ASSERT_NE(val1, val2) \
__CHECK_NE(__FILE__, __LINE__, (val1), (val2), true)
////////////////////////////////////////////////////////////////////////////////
// Errno checks.
#define ASSERT_ERRNO_EQ(VAL) \
ASSERT_EQ(VAL, static_cast<int>(LIBC_NAMESPACE::libc_errno))
#define ASSERT_ERRNO_SUCCESS() \
ASSERT_EQ(0, static_cast<int>(LIBC_NAMESPACE::libc_errno))
#define ASSERT_ERRNO_FAILURE() \
ASSERT_NE(0, static_cast<int>(LIBC_NAMESPACE::libc_errno))
// Integration tests are compiled with -ffreestanding which stops treating
// the main function as a non-overloadable special function. Hence, we use a
// convenience macro which declares it 'extern "C"'.
//
// When we are able to reuse the unit test infrastructure for integration
// tests, then we should not need to explicitly declare/define the main
// function in individual integration tests. We will not need this macro
// then.
#define TEST_MAIN extern "C" int main
#endif // LLVM_LIBC_UTILS_INTEGRATION_TEST_TEST_H