1 package com.android.speech.tts;
2 
3 import android.speech.tts.TtsEngines;
4 import android.test.InstrumentationTestCase;
5 
6 import java.util.Locale;
7 
8 public class TtsEnginesTests extends InstrumentationTestCase {
9     private TtsEngines mTtsHelper;
10 
11     @Override
setUp()12     public void setUp() {
13         mTtsHelper = new TtsEngines(getInstrumentation().getContext());
14     }
15 
testParseLocaleString()16     public void testParseLocaleString() {
17         assertEquals(new Locale("en", "US"), mTtsHelper.parseLocaleString("eng-usa"));
18         assertEquals(new Locale("en", "US"), mTtsHelper.parseLocaleString("eng-USA"));
19         assertEquals(new Locale("en", "US"), mTtsHelper.parseLocaleString("en-US"));
20         assertEquals(new Locale("en", "US"), mTtsHelper.parseLocaleString("en_us"));
21         assertEquals(new Locale("en", "US"), mTtsHelper.parseLocaleString("eng_US"));
22         assertEquals(new Locale("en", "US", "foobar"),
23                 mTtsHelper.parseLocaleString("eng_US-foobar"));
24         assertEquals(new Locale("en", "", "foobar"), mTtsHelper.parseLocaleString("eng__foobar"));
25         assertNull(mTtsHelper.parseLocaleString("cc_xx_barbar"));
26         assertNull(mTtsHelper.parseLocaleString("cc--barbar"));
27 
28         assertEquals(new Locale("en"), mTtsHelper.parseLocaleString("eng"));
29         assertEquals(new Locale("en","US","var"), mTtsHelper.parseLocaleString("eng-USA-var"));
30     }
31 
testToOldLocaleStringFormat()32     public void testToOldLocaleStringFormat() {
33         assertArraysEqual(new String[]{"deu", "DEU", ""},
34                 TtsEngines.toOldLocaleStringFormat(new Locale("de", "DE")));
35         assertArraysEqual(new String[]{"deu", "", ""},
36                 TtsEngines.toOldLocaleStringFormat(new Locale("de")));
37         assertArraysEqual(new String[]{"eng", "", ""},
38                 TtsEngines.toOldLocaleStringFormat(new Locale("en")));
39         assertArraysEqual(new String[]{"eng", "USA", ""},
40                 TtsEngines.toOldLocaleStringFormat(new Locale("foo")));
41     }
42 
testNormalizeLocale()43     public void testNormalizeLocale() {
44         assertEquals(Locale.UK,
45                 TtsEngines.normalizeTTSLocale(new Locale("eng", "gbr")));
46         assertEquals(Locale.UK,
47                 TtsEngines.normalizeTTSLocale(new Locale("eng", "GBR")));
48         assertEquals(Locale.GERMANY,
49                 TtsEngines.normalizeTTSLocale(new Locale("deu", "deu")));
50         assertEquals(Locale.GERMAN,
51                 TtsEngines.normalizeTTSLocale(new Locale("deu")));
52         assertEquals(new Locale("yyy", "DE"),
53                 TtsEngines.normalizeTTSLocale(new Locale("yyy", "DE")));
54     }
55 
testGetLocalePrefForEngine()56     public void testGetLocalePrefForEngine() {
57         assertEquals(new Locale("en", "US"),
58                 mTtsHelper.getLocalePrefForEngine("foo","foo:en-US"));
59         assertEquals(new Locale("en", "US"),
60                 mTtsHelper.getLocalePrefForEngine("foo","foo:eng-usa"));
61         assertEquals(new Locale("en", "US"),
62                 mTtsHelper.getLocalePrefForEngine("foo","foo:eng_USA"));
63         assertEquals(new Locale("de", "DE"),
64                 mTtsHelper.getLocalePrefForEngine("foo","foo:deu-deu"));
65         assertEquals(Locale.getDefault(),
66                 mTtsHelper.getLocalePrefForEngine("foo","foo:,bar:xx"));
67         assertEquals(Locale.getDefault(),
68                 mTtsHelper.getLocalePrefForEngine("other","foo:,bar:xx"));
69     }
70 
assertArraysEqual(String[] expected, String[] actual)71     private void assertArraysEqual(String[] expected, String[] actual) {
72         assertEquals("array length", expected.length, actual.length);
73         for (int i = 0; i < expected.length; i++) {
74             assertEquals("index " + i, expected[i], actual[i]);
75         }
76     }
77 }