1 files changed, 85 insertions, 0 deletions
diff --git a/tests/unit/src/com/android/tv/util/UtilsTest_GetMultiAudioString.java b/tests/unit/src/com/android/tv/util/UtilsTest_GetMultiAudioString.java
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+++ b/tests/unit/src/com/android/tv/util/UtilsTest_GetMultiAudioString.java
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.tv.util;
+
+import android.content.Context;
+import android.media.tv.TvTrackInfo;
+import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
+
+/**
+ * Tests for {@link com.android.tv.util.Utils#getMultiAudioString}.
+ */
+@SmallTest
+public class UtilsTest_GetMultiAudioString extends AndroidTestCase {
+    private static final String TRACK_ID = "test_track_id";
+    private static final int AUDIO_SAMPLE_RATE = 48000;
+
+    public void testAudioTrackLanguage() {
+        Context context = getContext();
+        assertEquals("Korean",
+                Utils.getMultiAudioString(context, createAudioTrackInfo("kor"), false));
+        assertEquals("English",
+                Utils.getMultiAudioString(context, createAudioTrackInfo("eng"), false));
+        assertEquals("Unknown language",
+                Utils.getMultiAudioString(context, createAudioTrackInfo(null), false));
+        // TODO: Check whether the following tests are expected.
+        assertEquals("", Utils.getMultiAudioString(context, createAudioTrackInfo(""), false));
+        assertEquals("abc", Utils.getMultiAudioString(context, createAudioTrackInfo("abc"), false));
+    }
+
+    public void testAudioTrackCount() {
+        Context context = getContext();
+        assertEquals("English",
+                Utils.getMultiAudioString(context, createAudioTrackInfo("eng", -1), false));
+        assertEquals("English",
+                Utils.getMultiAudioString(context, createAudioTrackInfo("eng", 0), false));
+        assertEquals("English (mono)",
+                Utils.getMultiAudioString(context, createAudioTrackInfo("eng", 1), false));
+        assertEquals("English (stereo)",
+                Utils.getMultiAudioString(context, createAudioTrackInfo("eng", 2), false));
+        assertEquals("English (3 channels)",
+                Utils.getMultiAudioString(context, createAudioTrackInfo("eng", 3), false));
+        assertEquals("English (4 channels)",
+                Utils.getMultiAudioString(context, createAudioTrackInfo("eng", 4), false));
+        assertEquals("English (5 channels)",
+                Utils.getMultiAudioString(context, createAudioTrackInfo("eng", 5), false));
+        assertEquals("English (5.1 surround)",
+                Utils.getMultiAudioString(context, createAudioTrackInfo("eng", 6), false));
+        assertEquals("English (7 channels)",
+                Utils.getMultiAudioString(context, createAudioTrackInfo("eng", 7), false));
+        assertEquals("English (7.1 surround)",
+                Utils.getMultiAudioString(context, createAudioTrackInfo("eng", 8), false));
+    }
+
+    public void testShowSampleRate() {
+        assertEquals("Korean (48kHz)",
+                Utils.getMultiAudioString(getContext(), createAudioTrackInfo("kor", 0), true));
+        assertEquals("Korean (7.1 surround, 48kHz)",
+                Utils.getMultiAudioString(getContext(), createAudioTrackInfo("kor", 8), true));
+    }
+
+    private static TvTrackInfo createAudioTrackInfo(String language) {
+        return createAudioTrackInfo(language, 0);
+    }
+
+    private static TvTrackInfo createAudioTrackInfo(String language, int channelCount) {
+        return new TvTrackInfo.Builder(TvTrackInfo.TYPE_AUDIO, TRACK_ID)
+                .setLanguage(language).setAudioChannelCount(channelCount)
+                .setAudioSampleRate(AUDIO_SAMPLE_RATE).build();
+    }
+}