1 files changed, 119 insertions, 0 deletions
diff --git a/sandbox/src/threadpool_unittest.cc b/sandbox/src/threadpool_unittest.cc
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+++ b/sandbox/src/threadpool_unittest.cc
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "sandbox/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(0, 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(0, thread_pool.OutstandingWaits());
+
+  EXPECT_TRUE(thread_pool.RegisterWait(this, event1, EmptyCallBack, &context));
+  EXPECT_EQ(1, thread_pool.OutstandingWaits());
+  EXPECT_TRUE(thread_pool.RegisterWait(this, event2, EmptyCallBack, &context));
+  EXPECT_EQ(2, thread_pool.OutstandingWaits());
+
+  EXPECT_TRUE(thread_pool.UnRegisterWaits(this));
+  EXPECT_EQ(0, 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(1, thread_pool.OutstandingWaits());
+  EXPECT_TRUE(thread_pool.RegisterWait(&c2, event2, EmptyCallBack, &context));
+  EXPECT_EQ(2, thread_pool.OutstandingWaits());
+
+  EXPECT_TRUE(thread_pool.UnRegisterWaits(&c2));
+  EXPECT_EQ(1, thread_pool.OutstandingWaits());
+  EXPECT_TRUE(thread_pool.UnRegisterWaits(&c2));
+  EXPECT_EQ(1, thread_pool.OutstandingWaits());
+
+  EXPECT_TRUE(thread_pool.UnRegisterWaits(&c1));
+  EXPECT_EQ(0, 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(0, thread_pool.OutstandingWaits());
+
+  EXPECT_EQ(WAIT_TIMEOUT, ::SignalObjectAndWait(event1, event2, 1000, FALSE));
+
+  EXPECT_EQ(TRUE, ::CloseHandle(event1));
+  EXPECT_EQ(TRUE, ::CloseHandle(event2));
+}
+
+}  // namespace sandbox