Filtered events.

chrome/common/extensions/value_set_unittest.cc

+// Copyright (c) 2012 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 "base/memory/scoped_ptr.h"
+#include "base/values.h"
+#include "chrome/common/extensions/value_set.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+class ValueSetUnittest : public testing::Test {
+};
+
+TEST_F(ValueSetUnittest, TestAddingSameValue) {
+  extensions::ValueSet vs;
+  scoped_ptr<base::Value> value(new ListValue());
+  ASSERT_EQ(1, vs.Add(value.get()));
+  ASSERT_EQ(2, vs.Add(value.get()));
+}
+
+TEST_F(ValueSetUnittest, TestAddingDifferentValue) {
+  extensions::ValueSet vs;
+  scoped_ptr<base::Value> value1(new ListValue());
+  scoped_ptr<base::Value> value2(new DictionaryValue());
+  ASSERT_EQ(1, vs.Add(value1.get()));
+  ASSERT_EQ(1, vs.Add(value2.get()));
+}
+
+TEST_F(ValueSetUnittest, TestRemovingValue) {
+  extensions::ValueSet vs;
+  scoped_ptr<base::Value> value(new ListValue());
+  ASSERT_EQ(1, vs.Add(value.get()));
+  ASSERT_EQ(2, vs.Add(value.get()));
+  ASSERT_EQ(1, vs.Remove(value.get()));
+  ASSERT_EQ(0, vs.Remove(value.get()));
+}
+