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/*
* Copyright 2004 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_BASE_GUNIT_H_
#define WEBRTC_BASE_GUNIT_H_
#include "webrtc/base/logging.h"
#include "webrtc/base/thread.h"
#if defined(GTEST_RELATIVE_PATH)
#include "testing/gtest/include/gtest/gtest.h"
#else
#include "testing/base/public/gunit.h"
#endif
// Wait until "ex" is true, or "timeout" expires.
#define WAIT(ex, timeout) \
for (uint32_t start = rtc::Time(); !(ex) && rtc::Time() < start + timeout;) \
rtc::Thread::Current()->ProcessMessages(1);
// This returns the result of the test in res, so that we don't re-evaluate
// the expression in the XXXX_WAIT macros below, since that causes problems
// when the expression is only true the first time you check it.
#define WAIT_(ex, timeout, res) \
do { \
uint32_t start = rtc::Time(); \
res = (ex); \
while (!res && rtc::Time() < start + timeout) { \
rtc::Thread::Current()->ProcessMessages(1); \
res = (ex); \
} \
} while (0)
// The typical EXPECT_XXXX and ASSERT_XXXXs, but done until true or a timeout.
#define EXPECT_TRUE_WAIT(ex, timeout) \
do { \
bool res; \
WAIT_(ex, timeout, res); \
if (!res) EXPECT_TRUE(ex); \
} while (0)
#define EXPECT_EQ_WAIT(v1, v2, timeout) \
do { \
bool res; \
WAIT_(v1 == v2, timeout, res); \
if (!res) EXPECT_EQ(v1, v2); \
} while (0)
#define ASSERT_TRUE_WAIT(ex, timeout) \
do { \
bool res; \
WAIT_(ex, timeout, res); \
if (!res) ASSERT_TRUE(ex); \
} while (0)
#define ASSERT_EQ_WAIT(v1, v2, timeout) \
do { \
bool res; \
WAIT_(v1 == v2, timeout, res); \
if (!res) ASSERT_EQ(v1, v2); \
} while (0)
// Version with a "soft" timeout and a margin. This logs if the timeout is
// exceeded, but it only fails if the expression still isn't true after the
// margin time passes.
#define EXPECT_TRUE_WAIT_MARGIN(ex, timeout, margin) \
do { \
bool res; \
WAIT_(ex, timeout, res); \
if (res) { \
break; \
} \
LOG(LS_WARNING) << "Expression " << #ex << " still not true after " << \
timeout << "ms; waiting an additional " << margin << "ms"; \
WAIT_(ex, margin, res); \
if (!res) { \
EXPECT_TRUE(ex); \
} \
} while (0)
#endif // WEBRTC_BASE_GUNIT_H_
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