Add a unit testing framework.

Populate it with the beginnings of a resampler unit test to have it do someting.

Also fix a bug in resampler caught with the test ;)
Review URL: http://webrtc-codereview.appspot.com/135019

git-svn-id: http://webrtc.googlecode.com/svn/trunk@595 4adac7df-926f-26a2-2b94-8c16560cd09d

test/run_all_unittests.cc

@@ -0,0 +1,16 @@
+/*
+ *  Copyright (c) 2011 The WebRTC 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 in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "test/test_suite.h"
+
+int main(int argc, char** argv) {
+  webrtc::TestSuite test_suite(argc, argv);
+  return test_suite.Run();
+}

test/test.gyp

@@ -0,0 +1,27 @@
+# Copyright (c) 2011 The WebRTC 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 in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+# TODO(andrew): consider moving test_support to src/base/test.
+{
+  'includes': [
+    '../src/build/common.gypi',
+  ],
+  'targets': [
+    {
+      'target_name': 'test_support',
+      'type': 'static_library',
+      'dependencies': [
+        '../testing/gtest.gyp:gtest',
+      ],
+      'sources': [
+        'test_suite.cc',
+        'test_suite.h',
+      ],
+    },
+  ],
+}

test/test_suite.cc

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+/*
+ *  Copyright (c) 2011 The WebRTC 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 in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "test/test_suite.h"
+
+#include "gtest/gtest.h"
+
+namespace webrtc {
+TestSuite::TestSuite(int argc, char** argv) {
+  testing::InitGoogleTest(&argc, argv);
+}
+
+TestSuite::~TestSuite() {
+}
+
+int TestSuite::Run() {
+  Initialize();
+  int result = RUN_ALL_TESTS();
+  Shutdown();
+  return result;
+}
+
+void TestSuite::Initialize() {
+  // TODO(andrew): initialize singletons here (e.g. Trace).
+}
+
+void TestSuite::Shutdown() {
+}
+}  // namespace webrtc

test/test_suite.h

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+/*
+ *  Copyright (c) 2011 The WebRTC 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 in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef TEST_TEST_SUITE_H_
+#define TEST_TEST_SUITE_H_
+
+// Derived from Chromium's src/base/test/test_suite.h.
+
+// Defines a basic test suite framework for running gtest based tests.  You can
+// instantiate this class in your main function and call its Run method to run
+// any gtest based tests that are linked into your executable.
+
+#include "src/system_wrappers/interface/constructor_magic.h"
+
+namespace webrtc {
+class TestSuite {
+ public:
+  TestSuite(int argc, char** argv);
+  virtual ~TestSuite();
+
+  int Run();
+
+ protected:
+  // Override these for custom initialization and shutdown handling.  Use these
+  // instead of putting complex code in your constructor/destructor.
+  virtual void Initialize();
+  virtual void Shutdown();
+
+  DISALLOW_COPY_AND_ASSIGN(TestSuite);
+};
+}  // namespace webrtc
+
+#endif  // TEST_TEST_SUITE_H_