TextToSpeechTest: add tests for TextToSpeech.isLanguageAvailable.

android/eSpeakTests/src/com/reecedunn/espeak/test/TextToSpeechTest.java

+/*
+ * Copyright (C) 2012 Reece H. Dunn
+ *
+ * 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.reecedunn.espeak.test;
+
+import java.util.Locale;
+
+import android.speech.tts.TextToSpeech;
+import android.speech.tts.TextToSpeech.OnInitListener;
+import android.test.AndroidTestCase;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.*;
+
+public class TextToSpeechTest extends AndroidTestCase
+{
+    private TextToSpeech mEngine = null;
+    private boolean mInitialised = false;
+    private int mStatus = TextToSpeech.ERROR;
+
+    private OnInitListener mInitCallback = new OnInitListener()
+    {
+        @Override
+        public void onInit(int status)
+        {
+            mStatus = status;
+            mInitialised = true;
+        }
+    };
+
+    @Override
+    public void setUp() throws Exception
+    {
+        try
+        {
+            // Wait until the text-to-speech engine is initialised:
+            mEngine = new TextToSpeech(getContext(), mInitCallback);
+            for (int count = 0; !mInitialised && count < 20; ++count)
+            {
+                Thread.sleep(250);
+            }
+
+            assertThat(mInitialised, is(true));
+            assertThat(mStatus, is(TextToSpeech.SUCCESS));
+            assertThat(mEngine.getDefaultEngine(), is("com.reecedunn.espeak"));
+        }
+        catch (Exception e)
+        {
+            tearDown();
+            throw e;
+        }
+    }
+
+    @Override
+    public void tearDown()
+    {
+        if (mEngine != null)
+        {
+            mEngine.shutdown();
+            mEngine = null;
+        }
+    }
+
+    public void testLanguages()
+    {
+        assertThat(mEngine, is(notNullValue()));
+        assertThat(mEngine.isLanguageAvailable(new Locale("cel")), is(TextToSpeech.LANG_NOT_SUPPORTED));
+
+        for (VoiceData.Voice data : VoiceData.voices)
+        {
+            try
+            {
+                final Locale iana1 = new Locale(data.ianaLanguage, data.ianaCountry, data.variant);
+                final Locale iana2 = new Locale(data.ianaLanguage, data.ianaCountry, "test");
+                final Locale iana3 = new Locale(data.ianaLanguage, "VU", data.variant);
+
+                final Locale java1 = new Locale(data.javaLanguage, data.javaCountry, data.variant);
+                final Locale java2 = new Locale(data.javaLanguage, data.javaCountry, "test");
+                final Locale java3 = new Locale(data.javaLanguage, "VU", data.variant);
+
+                assertThat(mEngine.isLanguageAvailable(iana1), is(TextToSpeech.LANG_COUNTRY_VAR_AVAILABLE));
+                assertThat(mEngine.isLanguageAvailable(iana2), is(TextToSpeech.LANG_COUNTRY_AVAILABLE));
+                assertThat(mEngine.isLanguageAvailable(iana3), is(TextToSpeech.LANG_AVAILABLE));
+
+                assertThat(mEngine.isLanguageAvailable(java1), is(TextToSpeech.LANG_COUNTRY_VAR_AVAILABLE));
+                assertThat(mEngine.isLanguageAvailable(java2), is(TextToSpeech.LANG_COUNTRY_AVAILABLE));
+                assertThat(mEngine.isLanguageAvailable(java3), is(TextToSpeech.LANG_AVAILABLE));
+            }
+            catch (Exception e)
+            {
+                throw new VoiceData.Exception(data, e);
+            }
+        }
+    }
+}