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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/simple_thread.h"
#include "base/string_util.h"
#include "base/waitable_event.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
class SetIntRunner : public base::DelegateSimpleThread::Delegate {
public:
SetIntRunner(int* ptr, int val) : ptr_(ptr), val_(val) { }
~SetIntRunner() { }
virtual void Run() {
*ptr_ = val_;
}
private:
int* ptr_;
int val_;
};
class WaitEventRunner : public base::DelegateSimpleThread::Delegate {
public:
WaitEventRunner(base::WaitableEvent* event) : event_(event) { }
~WaitEventRunner() { }
virtual void Run() {
EXPECT_FALSE(event_->IsSignaled());
event_->Signal();
EXPECT_TRUE(event_->IsSignaled());
}
private:
base::WaitableEvent* event_;
};
} // namespace
TEST(SimpleThreadTest, CreateAndJoin) {
int stack_int = 0;
SetIntRunner runner(&stack_int, 7);
EXPECT_EQ(0, stack_int);
base::DelegateSimpleThread thread(&runner, "int_setter");
EXPECT_FALSE(thread.HasBeenStarted());
EXPECT_FALSE(thread.HasBeenJoined());
EXPECT_EQ(0, stack_int);
thread.Start();
EXPECT_TRUE(thread.HasBeenStarted());
EXPECT_FALSE(thread.HasBeenJoined());
thread.Join();
EXPECT_TRUE(thread.HasBeenStarted());
EXPECT_TRUE(thread.HasBeenJoined());
EXPECT_EQ(7, stack_int);
}
TEST(SimpleThreadTest, WaitForEvent) {
// Create a thread, and wait for it to signal us.
base::WaitableEvent event(true, false);
WaitEventRunner runner(&event);
base::DelegateSimpleThread thread(&runner, "event_waiter");
EXPECT_FALSE(event.IsSignaled());
thread.Start();
event.Wait();
EXPECT_TRUE(event.IsSignaled());
thread.Join();
}
TEST(SimpleThreadTest, NamedWithOptions) {
base::WaitableEvent event(true, false);
WaitEventRunner runner(&event);
base::SimpleThread::Options options;
base::DelegateSimpleThread thread(&runner, "event_waiter", options);
EXPECT_EQ(thread.name_prefix(), "event_waiter");
EXPECT_FALSE(event.IsSignaled());
thread.Start();
EXPECT_EQ(thread.name_prefix(), "event_waiter");
EXPECT_EQ(thread.name(), std::string("event_waiter/") +
IntToString(thread.tid()));
event.Wait();
EXPECT_TRUE(event.IsSignaled());
thread.Join();
// We keep the name and tid, even after the thread is gone.
EXPECT_EQ(thread.name_prefix(), "event_waiter");
EXPECT_EQ(thread.name(), std::string("event_waiter/") +
IntToString(thread.tid()));
}
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