blob: ae1a1d0f397365d422e9b581bd08f5e7c4868a25 [file] [log] [blame]
/*
* Copyright (c) 2012 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.
*/
#include "webrtc/rtc_base/platform_thread.h"
#include "webrtc/system_wrappers/include/sleep.h"
#include "webrtc/test/gtest.h"
namespace rtc {
namespace {
// Function that does nothing, and reports success.
bool NullRunFunctionDeprecated(void* obj) {
webrtc::SleepMs(2); // Hand over timeslice, prevents busy looping.
return true;
}
bool TooBusyRunFunction(void* obj) {
// Indentionally busy looping.
return true;
}
void NullRunFunction(void* obj) {}
// Function that sets a boolean.
bool SetFlagRunFunctionDeprecated(void* obj) {
bool* obj_as_bool = static_cast<bool*>(obj);
*obj_as_bool = true;
webrtc::SleepMs(0); // Hand over timeslice, prevents busy looping.
return true;
}
void SetFlagRunFunction(void* obj) {
bool* obj_as_bool = static_cast<bool*>(obj);
*obj_as_bool = true;
}
} // namespace
TEST(PlatformThreadTest, StartStopDeprecated) {
PlatformThread thread(&NullRunFunctionDeprecated, nullptr,
"PlatformThreadTest");
EXPECT_TRUE(thread.name() == "PlatformThreadTest");
EXPECT_TRUE(thread.GetThreadRef() == 0);
thread.Start();
EXPECT_TRUE(thread.GetThreadRef() != 0);
thread.Stop();
EXPECT_TRUE(thread.GetThreadRef() == 0);
}
TEST(PlatformThreadTest, StartStop2Deprecated) {
PlatformThread thread1(&NullRunFunctionDeprecated, nullptr,
"PlatformThreadTest1");
PlatformThread thread2(&NullRunFunctionDeprecated, nullptr,
"PlatformThreadTest2");
EXPECT_TRUE(thread1.GetThreadRef() == thread2.GetThreadRef());
thread1.Start();
thread2.Start();
EXPECT_TRUE(thread1.GetThreadRef() != thread2.GetThreadRef());
thread2.Stop();
thread1.Stop();
}
TEST(PlatformThreadTest, RunFunctionIsCalledDeprecated) {
bool flag = false;
PlatformThread thread(&SetFlagRunFunctionDeprecated, &flag,
"RunFunctionIsCalled");
thread.Start();
// At this point, the flag may be either true or false.
thread.Stop();
// We expect the thread to have run at least once.
EXPECT_TRUE(flag);
}
TEST(PlatformThreadTest, StartStop) {
PlatformThread thread(&NullRunFunction, nullptr, "PlatformThreadTest");
EXPECT_TRUE(thread.name() == "PlatformThreadTest");
EXPECT_TRUE(thread.GetThreadRef() == 0);
thread.Start();
EXPECT_TRUE(thread.GetThreadRef() != 0);
thread.Stop();
EXPECT_TRUE(thread.GetThreadRef() == 0);
}
TEST(PlatformThreadTest, StartStop2) {
PlatformThread thread1(&NullRunFunction, nullptr, "PlatformThreadTest1");
PlatformThread thread2(&NullRunFunction, nullptr, "PlatformThreadTest2");
EXPECT_TRUE(thread1.GetThreadRef() == thread2.GetThreadRef());
thread1.Start();
thread2.Start();
EXPECT_TRUE(thread1.GetThreadRef() != thread2.GetThreadRef());
thread2.Stop();
thread1.Stop();
}
TEST(PlatformThreadTest, RunFunctionIsCalled) {
bool flag = false;
PlatformThread thread(&SetFlagRunFunction, &flag, "RunFunctionIsCalled");
thread.Start();
// At this point, the flag may be either true or false.
thread.Stop();
// We expect the thread to have run at least once.
EXPECT_TRUE(flag);
}
// This test is disabled since it will cause a crash.
// There might be a way to implement this as a death test, but it looks like
// a death test requires an expression to be checked but does not allow a
// flag to be raised that says "some thread will crash after this point".
// TODO(tommi): Look into ways to enable the test by default.
TEST(PlatformThreadTest, DISABLED_TooBusyDeprecated) {
PlatformThread thread(&TooBusyRunFunction, nullptr, "BusyThread");
thread.Start();
webrtc::SleepMs(1000);
thread.Stop();
}
} // rtc