Fix special character handling in audio preferences.

chrome/browser/chromeos/audio/audio_devices_pref_handler_impl_unittest.cc

+// Copyright 2014 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/browser/chromeos/audio/audio_devices_pref_handler_impl.h"
+
+#include "base/memory/ref_counted.h"
+#include "base/prefs/testing_pref_service.h"
+#include "chrome/browser/chromeos/audio/audio_devices_pref_handler_impl.h"
+#include "chromeos/audio/audio_device.h"
+#include "chromeos/audio/audio_devices_pref_handler.h"
+#include "chromeos/dbus/audio_node.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace chromeos {
+
+const uint64 kInternalMicId = 10003;
+const uint64 kHeadphoneId = 10002;
+const uint64 kHDMIOutputId = 10006;
+const uint64 kOtherTypeOutputId = 90001;
+const uint64 kOtherTypeInputId = 90002;
+
+const AudioDevice kInternalMic(AudioNode(true,
+                                         kInternalMicId,
+                                         "Fake Mic",
+                                         "INTERNAL_MIC",
+                                         "Internal Mic",
+                                         false,
+                                         0));
+
+const AudioDevice kHeadphone(AudioNode(false,
+                                       kHeadphoneId,
+                                       "Fake Headphone",
+                                       "HEADPHONE",
+                                       "Headphone",
+                                       false,
+                                       0));
+
+const AudioDevice kHDMIOutput(AudioNode(false,
+                                        kHDMIOutputId,
+                                        "HDMI output",
+                                        "HDMI",
+                                        "HDMI output",
+                                        false,
+                                        0));
+
+const AudioDevice kInputDeviceWithSpecialCharacters(
+    AudioNode(true,
+              kOtherTypeInputId,
+              "Fake ~!@#$%^&*()_+`-=<>?,./{}|[]\\\\Mic",
+              "SOME_OTHER_TYPE",
+              "Other Type Input Device",
+              true,
+              0));
+
+const AudioDevice kOutputDeviceWithSpecialCharacters(
+    AudioNode(false,
+              kOtherTypeOutputId,
+              "Fake ~!@#$%^&*()_+`-=<>?,./{}|[]\\\\Headphone",
+              "SOME_OTHER_TYPE",
+              "Other Type Output Device",
+              false,
+              0));
+
+class AudioDevicesPrefHandlerTest : public testing::Test {
+ public:
+  AudioDevicesPrefHandlerTest() {}
+  ~AudioDevicesPrefHandlerTest() override {}
+
+  void SetUp() override {
+    pref_service_.reset(new TestingPrefServiceSimple());
+    AudioDevicesPrefHandlerImpl::RegisterPrefs(pref_service_->registry());
+    audio_pref_handler_ = new AudioDevicesPrefHandlerImpl(pref_service_.get());
+  }
+
+  void TearDown() override { audio_pref_handler_ = NULL; }
+
+ protected:
+  scoped_refptr<AudioDevicesPrefHandler> audio_pref_handler_;
+  scoped_ptr<TestingPrefServiceSimple> pref_service_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(AudioDevicesPrefHandlerTest);
+};
+
+TEST_F(AudioDevicesPrefHandlerTest, TestDefaultValues) {
+  // TODO(rkc): Once the bug with default preferences is fixed, fix this test
+  // also. http://crbug.com/442489
+  EXPECT_EQ(75.0, audio_pref_handler_->GetInputGainValue(&kInternalMic));
+  EXPECT_EQ(75.0, audio_pref_handler_->GetOutputVolumeValue(&kHeadphone));
+  EXPECT_EQ(75.0, audio_pref_handler_->GetOutputVolumeValue(&kHDMIOutput));
+}
+
+TEST_F(AudioDevicesPrefHandlerTest, TestBasicInputOutputDevices) {
+  audio_pref_handler_->SetVolumeGainValue(kInternalMic, 13.37);
+  EXPECT_EQ(13.37, audio_pref_handler_->GetInputGainValue(&kInternalMic));
+  audio_pref_handler_->SetVolumeGainValue(kHeadphone, 47.28);
+  EXPECT_EQ(47.28, audio_pref_handler_->GetOutputVolumeValue(&kHeadphone));
+}
+
+TEST_F(AudioDevicesPrefHandlerTest, TestSpecialCharactersInDeviceNames) {
+  audio_pref_handler_->SetVolumeGainValue(kInputDeviceWithSpecialCharacters,
+                                          73.31);
+  audio_pref_handler_->SetVolumeGainValue(kOutputDeviceWithSpecialCharacters,
+                                          85.92);
+
+  EXPECT_EQ(73.31, audio_pref_handler_->GetInputGainValue(
+      &kInputDeviceWithSpecialCharacters));
+  EXPECT_EQ(85.92, audio_pref_handler_->GetOutputVolumeValue(
+      &kOutputDeviceWithSpecialCharacters));
+}
+
+}  // namespace chromeos