1package com.android.speech.tts;
2
3import android.speech.tts.TtsEngines;
4import android.test.InstrumentationTestCase;
5
6import java.util.Locale;
7
8public class TtsEnginesTests extends InstrumentationTestCase {
9    private TtsEngines mTtsHelper;
10
11    @Override
12    public void setUp() {
13        mTtsHelper = new TtsEngines(getInstrumentation().getContext());
14    }
15
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
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
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
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
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}