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chrome/common/extensions/feature_switch_unittest.cc

Index: chrome/common/extensions/feature_switch_unittest.cc
diff --git a/chrome/common/extensions/feature_switch_unittest.cc b/chrome/common/extensions/feature_switch_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..032a4104676eb09a66a484edcc56e7e33321085f
--- /dev/null
+++ b/chrome/common/extensions/feature_switch_unittest.cc
@@ -0,0 +1,134 @@
+// 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 "chrome/common/extensions/feature_switch.h"
+
+#include "base/command_line.h"
+#include "base/memory/scoped_ptr.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using extensions::FeatureSwitch;
+
+namespace {
+
+const char kSwitchName[] = "test-switch";
+
+template<FeatureSwitch::DefaultValue T>
+class FeatureSwitchTest : public testing::Test {
+ public:
+  FeatureSwitchTest()
+      : command_line_(CommandLine::NO_PROGRAM),
+        feature_(&command_line_, kSwitchName, T) {
+  }
+ protected:
+  CommandLine command_line_;
+  FeatureSwitch feature_;
+};
+
+typedef FeatureSwitchTest<FeatureSwitch::DEFAULT_DISABLED>
+    FeatureSwitchDisabledTest;
+typedef FeatureSwitchTest<FeatureSwitch::DEFAULT_ENABLED>
+    FeatureSwitchEnabledTest;
+
+}  // namespace
+
+TEST_F(FeatureSwitchDisabledTest, DefaultDisabled1) {

[Jeffrey Yasskin, 2012/10/02 00:26:31]

Please give tests names associated with what they're testing, not just numbers.

[Aaron Boodman, 2012/10/02 01:28:52]

Done.

+  EXPECT_FALSE(feature_.IsEnabled());
+}
+
+TEST_F(FeatureSwitchDisabledTest, DefaultDisabled2) {
+  command_line_.AppendSwitchASCII(kSwitchName, "0");
+  EXPECT_FALSE(feature_.IsEnabled());
+}
+
+TEST_F(FeatureSwitchDisabledTest, DefaultDisabled3) {
+  command_line_.AppendSwitchASCII(kSwitchName, "monkey");
+  EXPECT_FALSE(feature_.IsEnabled());
+}
+
+TEST_F(FeatureSwitchDisabledTest, DefaultDisabled4) {
+  {
+    FeatureSwitch::ScopedOverride override(feature_.Override(false));
+    EXPECT_FALSE(feature_.IsEnabled());
+  }
+  EXPECT_FALSE(feature_.IsEnabled());
+
+  {
+    FeatureSwitch::ScopedOverride override(feature_.Override(true));
+    EXPECT_TRUE(feature_.IsEnabled());
+  }
+  EXPECT_FALSE(feature_.IsEnabled());
+}
+
+TEST_F(FeatureSwitchDisabledTest, DefaultDisabled5) {
+  command_line_.AppendSwitchASCII(kSwitchName, "1");
+  EXPECT_TRUE(feature_.IsEnabled());
+
+  {
+    FeatureSwitch::ScopedOverride override(feature_.Override(false));
+    EXPECT_FALSE(feature_.IsEnabled());
+  }
+  EXPECT_TRUE(feature_.IsEnabled());
+
+  {
+    FeatureSwitch::ScopedOverride override(feature_.Override(true));
+    EXPECT_TRUE(feature_.IsEnabled());
+  }
+  EXPECT_TRUE(feature_.IsEnabled());
+}
+
+TEST_F(FeatureSwitchDisabledTest, DefaultDisabled6) {
+  command_line_.AppendSwitchASCII(kSwitchName, " \t  1\n  ");
+  EXPECT_TRUE(feature_.IsEnabled());
+}
+
+TEST_F(FeatureSwitchEnabledTest, DefaultEnabled1) {
+  EXPECT_TRUE(feature_.IsEnabled());
+}
+
+TEST_F(FeatureSwitchEnabledTest, DefaultEnabled2) {
+  command_line_.AppendSwitchASCII(kSwitchName, "1");
+  EXPECT_TRUE(feature_.IsEnabled());
+}
+
+TEST_F(FeatureSwitchEnabledTest, DefaultEnabled3) {
+  command_line_.AppendSwitchASCII(kSwitchName, "monkey");
+  EXPECT_TRUE(feature_.IsEnabled());
+}
+
+TEST_F(FeatureSwitchEnabledTest, DefaultEnabled4) {
+  {
+    FeatureSwitch::ScopedOverride override(feature_.Override(true));
+    EXPECT_TRUE(feature_.IsEnabled());
+  }
+  EXPECT_TRUE(feature_.IsEnabled());
+
+  {
+    FeatureSwitch::ScopedOverride override(feature_.Override(false));
+    EXPECT_FALSE(feature_.IsEnabled());
+  }
+  EXPECT_TRUE(feature_.IsEnabled());
+}
+
+TEST_F(FeatureSwitchEnabledTest, DefaultEnabled5) {
+  command_line_.AppendSwitchASCII(kSwitchName, "0");
+  EXPECT_FALSE(feature_.IsEnabled());
+
+  {
+    FeatureSwitch::ScopedOverride override(feature_.Override(true));
+    EXPECT_TRUE(feature_.IsEnabled());
+  }
+  EXPECT_FALSE(feature_.IsEnabled());
+
+  {
+    FeatureSwitch::ScopedOverride override(feature_.Override(false));
+    EXPECT_FALSE(feature_.IsEnabled());
+  }
+  EXPECT_FALSE(feature_.IsEnabled());
+}
+
+TEST_F(FeatureSwitchEnabledTest, DefaultEnabled6) {
+  command_line_.AppendSwitchASCII(kSwitchName, "\t\t 0 \n");
+  EXPECT_FALSE(feature_.IsEnabled());
+}