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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 "sandbox/win/src/win2k_threadpool.h"
#include "testing/gtest/include/gtest/gtest.h"
void __stdcall EmptyCallBack(void*, unsigned char) {
}
void __stdcall TestCallBack(void* context, unsigned char) {
HANDLE event = reinterpret_cast<HANDLE>(context);
::SetEvent(event);
}
namespace sandbox {
// Test that register and unregister work, part 1.
TEST(IPCTest, ThreadPoolRegisterTest1) {
Win2kThreadPool thread_pool;
EXPECT_EQ(0u, thread_pool.OutstandingWaits());
HANDLE event1 = ::CreateEventW(NULL, FALSE, FALSE, NULL);
HANDLE event2 = ::CreateEventW(NULL, FALSE, FALSE, NULL);
uint32 context = 0;
EXPECT_FALSE(thread_pool.RegisterWait(0, event1, EmptyCallBack, &context));
EXPECT_EQ(0u, thread_pool.OutstandingWaits());
EXPECT_TRUE(thread_pool.RegisterWait(this, event1, EmptyCallBack, &context));
EXPECT_EQ(1u, thread_pool.OutstandingWaits());
EXPECT_TRUE(thread_pool.RegisterWait(this, event2, EmptyCallBack, &context));
EXPECT_EQ(2u, thread_pool.OutstandingWaits());
EXPECT_TRUE(thread_pool.UnRegisterWaits(this));
EXPECT_EQ(0u, thread_pool.OutstandingWaits());
EXPECT_EQ(TRUE, ::CloseHandle(event1));
EXPECT_EQ(TRUE, ::CloseHandle(event2));
}
// Test that register and unregister work, part 2.
TEST(IPCTest, ThreadPoolRegisterTest2) {
Win2kThreadPool thread_pool;
HANDLE event1 = ::CreateEventW(NULL, FALSE, FALSE, NULL);
HANDLE event2 = ::CreateEventW(NULL, FALSE, FALSE, NULL);
uint32 context = 0;
uint32 c1 = 0;
uint32 c2 = 0;
EXPECT_TRUE(thread_pool.RegisterWait(&c1, event1, EmptyCallBack, &context));
EXPECT_EQ(1u, thread_pool.OutstandingWaits());
EXPECT_TRUE(thread_pool.RegisterWait(&c2, event2, EmptyCallBack, &context));
EXPECT_EQ(2u, thread_pool.OutstandingWaits());
EXPECT_TRUE(thread_pool.UnRegisterWaits(&c2));
EXPECT_EQ(1u, thread_pool.OutstandingWaits());
EXPECT_TRUE(thread_pool.UnRegisterWaits(&c2));
EXPECT_EQ(1u, thread_pool.OutstandingWaits());
EXPECT_TRUE(thread_pool.UnRegisterWaits(&c1));
EXPECT_EQ(0u, thread_pool.OutstandingWaits());
EXPECT_EQ(TRUE, ::CloseHandle(event1));
EXPECT_EQ(TRUE, ::CloseHandle(event2));
}
// Test that the thread pool has at least a thread that services an event.
// Test that when the event is un-registered is no longer serviced.
TEST(IPCTest, ThreadPoolSignalAndWaitTest) {
Win2kThreadPool thread_pool;
// The events are auto reset and start not signaled.
HANDLE event1 = ::CreateEventW(NULL, FALSE, FALSE, NULL);
HANDLE event2 = ::CreateEventW(NULL, FALSE, FALSE, NULL);
EXPECT_TRUE(thread_pool.RegisterWait(this, event1, TestCallBack, event2));
EXPECT_EQ(WAIT_OBJECT_0, ::SignalObjectAndWait(event1, event2, 5000, FALSE));
EXPECT_EQ(WAIT_OBJECT_0, ::SignalObjectAndWait(event1, event2, 5000, FALSE));
EXPECT_TRUE(thread_pool.UnRegisterWaits(this));
EXPECT_EQ(0u, thread_pool.OutstandingWaits());
EXPECT_EQ(static_cast<DWORD>(WAIT_TIMEOUT),
::SignalObjectAndWait(event1, event2, 1000, FALSE));
EXPECT_EQ(TRUE, ::CloseHandle(event1));
EXPECT_EQ(TRUE, ::CloseHandle(event2));
}
} // namespace sandbox
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