chromium/mojo/public/c/system/tests/core_unittest_pure_c.c

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifdef __cplusplus
#error "This file should be compiled as C, not C++."
#endif

#include <stddef.h>
#include <stdint.h>
#include <string.h>

// Include all the header files that are meant to be compilable as C. Start with
// core.h, since it's the most important one.
#include "mojo/public/c/system/core.h"
#include "mojo/public/c/system/macros.h"
#include "mojo/public/c/system/thunks.h"

// The joys of the C preprocessor....
#define STRINGIFY(x) …
#define STRINGIFY2(x) …
#define FAILURE(message) …

// Makeshift gtest.
#define EXPECT_EQ(a, b) …
#define EXPECT_NE(a, b) …

// This function exists mainly to be compiled and linked. We do some cursory
// checks and call it from a unit test, to make sure that link problems aren't
// missed due to deadstripping. Returns null on success and a string on failure
// (describing the failure).
const char* MinimalCTest(void) { … }