Add base to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@8 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 81 insertions, 0 deletions

diff --git a/base/shared_event_unittest.cc b/base/shared_event_unittest.cc
new file mode 100644
index 0000000..5a0c468
--- /dev/null
+++ b/base/shared_event_unittest.cc
@@ -0,0 +1,81 @@
+// 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 <process.h>  // _beginthreadex
+
+#include "base/lock.h"
+#include "base/scoped_ptr.h"
+#include "base/shared_event.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+class SharedEventTest : public testing::Test {
+};
+
+Lock lock;
+
+unsigned __stdcall MultipleThreadMain(void* param) {
+  SharedEvent* shared_event = reinterpret_cast<SharedEvent*>(param);
+  AutoLock l(lock);
+  shared_event->SetSignaledState(!shared_event->IsSignaled());
+  return 0;
+}
+
+}
+
+TEST(SharedEventTest, ThreadSignaling) {
+  // Create a set of 5 threads to each open a shared event and flip the
+  // signaled state.  Verify that when the threads complete, the final state is
+  // not-signaled.
+  // I admit this doesn't test much, but short of spawning separate processes
+  // and using IPC with a SharedEventHandle, there's not much to unittest.
+  const int kNumThreads = 5;
+  HANDLE threads[kNumThreads];
+
+  scoped_ptr<SharedEvent> shared_event(new SharedEvent);
+  shared_event->Create(true, true);
+
+  // Spawn the threads.
+  for (int16 index = 0; index < kNumThreads; index++) {
+    void *argument = reinterpret_cast<void*>(shared_event.get());
+    unsigned thread_id;
+    threads[index] = reinterpret_cast<HANDLE>(
+      _beginthreadex(NULL, 0, MultipleThreadMain, argument, 0, &thread_id));
+    EXPECT_NE(threads[index], static_cast<HANDLE>(NULL));
+  }
+
+  // Wait for the threads to finish.
+  for (int index = 0; index < kNumThreads; index++) {
+    DWORD rv = WaitForSingleObject(threads[index], 60*1000);
+    EXPECT_EQ(rv, WAIT_OBJECT_0);  // verify all threads finished
+    CloseHandle(threads[index]);
+  }
+  EXPECT_FALSE(shared_event->IsSignaled());
+}