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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 RTC_BASE_GUNIT_H_
#define RTC_BASE_GUNIT_H_
#include "absl/strings/string_view.h"
#include "rtc_base/fake_clock.h"
#include "rtc_base/logging.h"
#include "rtc_base/thread.h"
#include "test/gtest.h"
// Wait until "ex" is true, or "timeout" expires.
#define WAIT(ex, timeout) \
for (int64_t start = rtc::SystemTimeMillis(); \
!(ex) && rtc::SystemTimeMillis() < start + (timeout);) { \
rtc::Thread::Current()->ProcessMessages(0); \
rtc::Thread::Current()->SleepMs(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 { \
int64_t start = rtc::SystemTimeMillis(); \
res = (ex) && true; \
while (!res && rtc::SystemTimeMillis() < start + (timeout)) { \
rtc::Thread::Current()->ProcessMessages(0); \
rtc::Thread::Current()->SleepMs(1); \
res = (ex) && true; \
} \
} while (0)
// The typical EXPECT_XXXX and ASSERT_XXXXs, but done until true or a timeout.
// One can add failure message by appending "<< msg".
#define EXPECT_TRUE_WAIT(ex, timeout) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
if (bool res = true) { \
WAIT_(ex, timeout, res); \
if (!res) \
goto GTEST_CONCAT_TOKEN_(gunit_label_, __LINE__); \
} else \
GTEST_CONCAT_TOKEN_(gunit_label_, __LINE__) : EXPECT_TRUE(ex)
#define EXPECT_EQ_WAIT(v1, v2, timeout) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
if (bool res = true) { \
WAIT_(v1 == v2, timeout, res); \
if (!res) \
goto GTEST_CONCAT_TOKEN_(gunit_label_, __LINE__); \
} else \
GTEST_CONCAT_TOKEN_(gunit_label_, __LINE__) : EXPECT_EQ(v1, v2)
#define ASSERT_TRUE_WAIT(ex, timeout) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
if (bool res = true) { \
WAIT_(ex, timeout, res); \
if (!res) \
goto GTEST_CONCAT_TOKEN_(gunit_label_, __LINE__); \
} else \
GTEST_CONCAT_TOKEN_(gunit_label_, __LINE__) : ASSERT_TRUE(ex)
#define ASSERT_EQ_WAIT(v1, v2, timeout) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
if (bool res = true) { \
WAIT_(v1 == v2, timeout, res); \
if (!res) \
goto GTEST_CONCAT_TOKEN_(gunit_label_, __LINE__); \
} else \
GTEST_CONCAT_TOKEN_(gunit_label_, __LINE__) : ASSERT_EQ(v1, v2)
// 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) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
if (bool res = true) { \
WAIT_(ex, timeout, res); \
if (res) \
break; \
RTC_LOG(LS_WARNING) << "Expression " << #ex << " still not true after " \
<< (timeout) << "ms; waiting an additional " << margin \
<< "ms"; \
WAIT_(ex, margin, res); \
if (!res) \
goto GTEST_CONCAT_TOKEN_(gunit_label_, __LINE__); \
} else \
GTEST_CONCAT_TOKEN_(gunit_label_, __LINE__) : EXPECT_TRUE(ex)
// Wait until "ex" is true, or "timeout" expires, using fake clock where
// messages are processed every millisecond.
// TODO(pthatcher): Allow tests to control how many milliseconds to advance.
#define SIMULATED_WAIT(ex, timeout, clock) \
for (int64_t start = rtc::TimeMillis(); \
!(ex) && rtc::TimeMillis() < start + (timeout);) { \
(clock).AdvanceTime(webrtc::TimeDelta::Millis(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 SIMULATED_WAIT_(ex, timeout, res, clock) \
do { \
int64_t start = rtc::TimeMillis(); \
res = (ex); \
while (!res && rtc::TimeMillis() < start + (timeout)) { \
(clock).AdvanceTime(webrtc::TimeDelta::Millis(1)); \
res = (ex); \
} \
} while (0)
// The typical EXPECT_XXXX, but done until true or a timeout with a fake clock.
#define EXPECT_TRUE_SIMULATED_WAIT(ex, timeout, clock) \
do { \
bool res; \
SIMULATED_WAIT_(ex, timeout, res, clock); \
if (!res) { \
EXPECT_TRUE(ex); \
} \
} while (0)
#define EXPECT_EQ_SIMULATED_WAIT(v1, v2, timeout, clock) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
if (bool res = true) { \
SIMULATED_WAIT_(v1 == v2, timeout, res, clock); \
if (!res) \
goto GTEST_CONCAT_TOKEN_(gunit_label_, __LINE__); \
} else \
GTEST_CONCAT_TOKEN_(gunit_label_, __LINE__) : EXPECT_EQ(v1, v2)
#define ASSERT_TRUE_SIMULATED_WAIT(ex, timeout, clock) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
if (bool res = true) { \
SIMULATED_WAIT_(ex, timeout, res, clock); \
if (!res) \
goto GTEST_CONCAT_TOKEN_(gunit_label_, __LINE__); \
} else \
GTEST_CONCAT_TOKEN_(gunit_label_, __LINE__) : ASSERT_TRUE(ex)
#define ASSERT_EQ_SIMULATED_WAIT(v1, v2, timeout, clock) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
if (bool res = true) { \
SIMULATED_WAIT_(v1 == v2, timeout, res, clock); \
if (!res) \
goto GTEST_CONCAT_TOKEN_(gunit_label_, __LINE__); \
} else \
GTEST_CONCAT_TOKEN_(gunit_label_, __LINE__) : ASSERT_EQ(v1, v2)
#endif // RTC_BASE_GUNIT_H_
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