Refactor libplatform unit tests to use GTest/GMock.

src/libplatform/default-platform-unittest.cc

Index: src/libplatform/default-platform-unittest.cc
diff --git a/src/libplatform/default-platform-unittest.cc b/src/libplatform/default-platform-unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d2c160e5587557c72c5c138e4a826784aaa4cdb9
--- /dev/null
+++ b/src/libplatform/default-platform-unittest.cc
@@ -0,0 +1,43 @@
+// Copyright 2014 the V8 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.
+
+#include "src/libplatform/default-platform.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+using testing::InSequence;
+using testing::StrictMock;
+
+namespace v8 {
+namespace platform {
+
+namespace {
+
+struct MockTask : public Task {
+  virtual ~MockTask() { Die(); }
+  MOCK_METHOD0(Run, void());
+  MOCK_METHOD0(Die, void());
+};
+
+}  // namespace
+
+
+TEST(DefaultPlatformTest, PumpMessageLoop) {
+  InSequence s;
+
+  int dummy;
+  Isolate* isolate = reinterpret_cast<Isolate*>(&dummy);
+
+  DefaultPlatform platform;
+  EXPECT_FALSE(platform.PumpMessageLoop(isolate));
+
+  StrictMock<MockTask>* task = new StrictMock<MockTask>;
+  platform.CallOnForegroundThread(isolate, task);
+  EXPECT_CALL(*task, Run());
+  EXPECT_CALL(*task, Die());
+  EXPECT_TRUE(platform.PumpMessageLoop(isolate));
+  EXPECT_FALSE(platform.PumpMessageLoop(isolate));
+}
+
+}  // namespace platform
+}  // namespace v8