These data structures support the Media Router Dialog webui.

chrome/browser/ui/webui/media_router/media_cast_mode_unittest.cc

Index: chrome/browser/ui/webui/media_router/media_cast_mode_unittest.cc
diff --git a/chrome/browser/ui/webui/media_router/media_cast_mode_unittest.cc b/chrome/browser/ui/webui/media_router/media_cast_mode_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a4950102e91617f9a56e85c6fa5b9ebd8a6e30b0
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+++ b/chrome/browser/ui/webui/media_router/media_cast_mode_unittest.cc
@@ -0,0 +1,63 @@
+// Copyright 2015 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/ui/webui/media_router/media_cast_mode.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace media_router {
+
+TEST(MediaCastModeTest, PreferredCastMode) {
+  CastModeSet cast_modes;
+
+  EXPECT_EQ(MediaCastMode::DEFAULT, GetPreferredCastMode(cast_modes));
+
+  cast_modes.insert(MediaCastMode::SOUND_OPTIMIZED_TAB_MIRROR);
+  EXPECT_EQ(MediaCastMode::SOUND_OPTIMIZED_TAB_MIRROR,
+            GetPreferredCastMode(cast_modes));
+
+  cast_modes.insert(MediaCastMode::DESKTOP_OR_WINDOW_MIRROR);
+  EXPECT_EQ(MediaCastMode::DESKTOP_OR_WINDOW_MIRROR,
+            GetPreferredCastMode(cast_modes));
+
+  cast_modes.insert(MediaCastMode::TAB_MIRROR);
+  EXPECT_EQ(MediaCastMode::TAB_MIRROR,
+            GetPreferredCastMode(cast_modes));
+
+  cast_modes.insert(MediaCastMode::DEFAULT);
+  EXPECT_EQ(MediaCastMode::DEFAULT,
+            GetPreferredCastMode(cast_modes));
+
+  cast_modes.erase(MediaCastMode::TAB_MIRROR);
+  EXPECT_EQ(MediaCastMode::DEFAULT,
+            GetPreferredCastMode(cast_modes));
+
+  cast_modes.erase(MediaCastMode::DESKTOP_OR_WINDOW_MIRROR);
+  EXPECT_EQ(MediaCastMode::DEFAULT,
+            GetPreferredCastMode(cast_modes));
+
+  cast_modes.erase(MediaCastMode::SOUND_OPTIMIZED_TAB_MIRROR);
+  EXPECT_EQ(MediaCastMode::DEFAULT,
+            GetPreferredCastMode(cast_modes));
+}
+
+TEST(MediaCastModeTest, MediaCastModeToTitleAndDescription) {
+  for (int cast_mode = MediaCastMode::DEFAULT;
+       cast_mode < MediaCastMode::NUM_CAST_MODES; cast_mode++) {
+    EXPECT_TRUE(!MediaCastModeToTitle(
+        static_cast<MediaCastMode>(cast_mode), "youtube.com").empty());
+    EXPECT_TRUE(!MediaCastModeToDescription(
+        static_cast<MediaCastMode>(cast_mode), "youtube.com").empty());
+  }
+}
+
+TEST(MediaCastModeTest, IsValidCastModeNum) {
+  for (int cast_mode = MediaCastMode::DEFAULT;
+       cast_mode < MediaCastMode::NUM_CAST_MODES; cast_mode++) {
+    EXPECT_TRUE(IsValidCastModeNum(cast_mode));
+  }
+  EXPECT_FALSE(IsValidCastModeNum(MediaCastMode::NUM_CAST_MODES));
+  EXPECT_FALSE(IsValidCastModeNum(-1));
+}
+
+}  // namespace media_router