1/*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.database;
18
19import android.database.sqlite.SQLiteDatabase;
20import android.database.Cursor;
21import android.test.suitebuilder.annotation.MediumTest;
22import android.test.suitebuilder.annotation.SmallTest;
23import android.util.Log;
24import android.test.MoreAsserts;
25
26import java.util.ArrayList;
27import java.util.Locale;
28
29import junit.framework.TestCase;
30
31public class DatabaseLocaleTest extends TestCase {
32
33    private SQLiteDatabase mDatabase;
34
35    private static final String[] STRINGS = {
36        "c\u00f4t\u00e9",
37        "cote",
38        "c\u00f4te",
39        "cot\u00e9",
40        "boy",
41        "dog",
42        "COTE",
43    };
44
45    @Override
46    protected void setUp() throws Exception {
47        super.setUp();
48        mDatabase = SQLiteDatabase.create(null);
49        mDatabase.execSQL(
50                "CREATE TABLE test (id INTEGER PRIMARY KEY, data TEXT COLLATE LOCALIZED);");
51    }
52
53    private void insertStrings() {
54        for (String s : STRINGS) {
55            mDatabase.execSQL("INSERT INTO test (data) VALUES('" + s + "');");
56        }
57    }
58
59    @Override
60    protected void tearDown() throws Exception {
61        mDatabase.close();
62        super.tearDown();
63    }
64
65    private String[] query(String sql) {
66        Log.i("LocaleTest", "Querying: " + sql);
67        Cursor c = mDatabase.rawQuery(sql, null);
68        assertNotNull(c);
69        ArrayList<String> items = new ArrayList<String>();
70        while (c.moveToNext()) {
71            items.add(c.getString(0));
72            Log.i("LocaleTest", "...." + c.getString(0));
73        }
74        String[] result = items.toArray(new String[items.size()]);
75        assertEquals(STRINGS.length, result.length);
76        c.close();
77        return result;
78    }
79
80    @MediumTest
81    public void testLocaleInsertOrder() throws Exception {
82        insertStrings();
83        String[] results = query("SELECT data FROM test");
84        MoreAsserts.assertEquals(STRINGS, results);
85    }
86
87    @MediumTest
88    public void testLocaleenUS() throws Exception {
89        insertStrings();
90        Log.i("LocaleTest", "about to call setLocale en_US");
91        mDatabase.setLocale(new Locale("en", "US"));
92        String[] results;
93        results = query("SELECT data FROM test ORDER BY data COLLATE LOCALIZED ASC");
94
95        // The database code currently uses PRIMARY collation strength,
96        // meaning that all versions of a character compare equal (regardless
97        // of case or accents), leaving the "cote" flavors in database order.
98        MoreAsserts.assertEquals(results, new String[] {
99                STRINGS[4],  // "boy"
100                STRINGS[0],  // sundry forms of "cote"
101                STRINGS[1],
102                STRINGS[2],
103                STRINGS[3],
104                STRINGS[6],  // "COTE"
105                STRINGS[5],  // "dog"
106        });
107    }
108
109    @SmallTest
110    public void testHoge() throws Exception {
111        Cursor cursor = null;
112        try {
113            String expectedString = new String(new int[] {0xFE000}, 0, 1);
114            mDatabase.execSQL("INSERT INTO test(id, data) VALUES(1, '" + expectedString + "')");
115            cursor = mDatabase.rawQuery("SELECT data FROM test WHERE id = 1", null);
116
117            assertNotNull(cursor);
118            assertTrue(cursor.moveToFirst());
119            String actualString = cursor.getString(0);
120            assertEquals(expectedString.length(), actualString.length());
121            for (int i = 0; i < expectedString.length(); i++) {
122                assertEquals((int)expectedString.charAt(i), (int)actualString.charAt(i));
123            }
124            assertEquals(expectedString, actualString);
125        } finally {
126            if (cursor != null) cursor.close();
127        }
128    }
129}
130