Adds ash::MaterialDesignController

ash/material_design/material_design_controller_unittest.cc

Index: ash/material_design/material_design_controller_unittest.cc
diff --git a/ash/material_design/material_design_controller_unittest.cc b/ash/material_design/material_design_controller_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8c2f9d6c355782c3e79ffee25976d34ab396bfe2
--- /dev/null
+++ b/ash/material_design/material_design_controller_unittest.cc
@@ -0,0 +1,135 @@
+// Copyright 2016 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 <memory>
+#include <string>
+
+#include "ash/ash_switches.h"
+#include "ash/material_design/material_design_controller.h"
+#include "ash/test/ash_test_base.h"
+#include "ash/test/material_design_controller_test_api.h"
+#include "base/command_line.h"
+#include "base/macros.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace ash {
+namespace {
+
+// Test fixture for the MaterialDesignController class.
+class MaterialDesignControllerTest : public ash::test::AshTestBase {
+ public:
+  MaterialDesignControllerTest() = default;
+  ~MaterialDesignControllerTest() override = default;
+
+ protected:
+  // ash::test::AshTestBase:
+  void SetCommandLineValue(const std::string& value_string);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MaterialDesignControllerTest);
+};
+
+void MaterialDesignControllerTest::SetCommandLineValue(
+    const std::string& value_string) {
+  base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+      ash::switches::kAshMaterialDesign, value_string);
+}
+
+class MaterialDesignControllerTestNonMaterial
+    : public MaterialDesignControllerTest {
+ public:
+  MaterialDesignControllerTestNonMaterial() : MaterialDesignControllerTest() {}
+  void SetUp() override {
+    SetCommandLineValue("disabled");
+    MaterialDesignControllerTest::SetUp();
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MaterialDesignControllerTestNonMaterial);
+};
+
+class MaterialDesignControllerTestMaterial
+    : public MaterialDesignControllerTest {
+ public:
+  MaterialDesignControllerTestMaterial() : MaterialDesignControllerTest() {}
+  void SetUp() override {
+    SetCommandLineValue("enabled");
+    MaterialDesignControllerTest::SetUp();
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MaterialDesignControllerTestMaterial);
+};
+
+class MaterialDesignControllerTestExperimental
+    : public MaterialDesignControllerTest {
+ public:
+  MaterialDesignControllerTestExperimental() : MaterialDesignControllerTest() {}
+  void SetUp() override {
+    SetCommandLineValue("experimental");
+    MaterialDesignControllerTest::SetUp();
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MaterialDesignControllerTestExperimental);
+};
+
+class MaterialDesignControllerTestInvalid
+    : public MaterialDesignControllerTest {
+ public:
+  MaterialDesignControllerTestInvalid() : MaterialDesignControllerTest() {}
+  void SetUp() override {
+    SetCommandLineValue("1nvalid-valu3");
+    MaterialDesignControllerTest::SetUp();
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MaterialDesignControllerTestInvalid);
+};
+
+}  // namespace
+
+// Verify the current mode is reported as the default mode when no command line
+// flag is added.
+TEST_F(MaterialDesignControllerTest, NoCommandLineValueMapsToDefaultMode) {
+  ASSERT_FALSE(base::CommandLine::ForCurrentProcess()->HasSwitch(
+      ash::switches::kAshMaterialDesign));
+  EXPECT_EQ(test::MaterialDesignControllerTestAPI::DefaultMode() ==
+                    MaterialDesignController::Mode::MATERIAL_NORMAL ||
+                test::MaterialDesignControllerTestAPI::DefaultMode() ==
+                    MaterialDesignController::Mode::MATERIAL_EXPERIMENTAL,
+            MaterialDesignController::IsMaterial());
+}
+
+// Verify that MaterialDesignController::IsMaterial() will be false when
+// initialized with command line flag "disabled".
+TEST_F(MaterialDesignControllerTestNonMaterial, CommandLineValue) {
+  EXPECT_FALSE(MaterialDesignController::IsMaterial());
+  EXPECT_FALSE(MaterialDesignController::IsMaterialExperimental());
+}
+
+// Verify that MaterialDesignController::IsMaterial() will be true when
+// initialized with command line flag "enabled".
+TEST_F(MaterialDesignControllerTestMaterial, CommandLineValue) {
+  EXPECT_TRUE(MaterialDesignController::IsMaterial());
+  EXPECT_FALSE(MaterialDesignController::IsMaterialExperimental());
+}
+
+// Verify that MaterialDesignController::IsMaterialexperimental() will be true
+// when initialized with command line flag "experimental".
+TEST_F(MaterialDesignControllerTestExperimental, CommandLineValue) {
+  EXPECT_TRUE(MaterialDesignController::IsMaterial());
+  EXPECT_TRUE(MaterialDesignController::IsMaterialExperimental());
+}
+
+// Verify an invalid command line value uses the default mode.
+TEST_F(MaterialDesignControllerTestInvalid, CommandLineValue) {
+  EXPECT_EQ(test::MaterialDesignControllerTestAPI::DefaultMode() ==
+                    MaterialDesignController::Mode::MATERIAL_NORMAL ||
+                test::MaterialDesignControllerTestAPI::DefaultMode() ==
+                    MaterialDesignController::Mode::MATERIAL_EXPERIMENTAL,
+            MaterialDesignController::IsMaterial());
+}
+
+}  // namespace ash