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DatabaseLocaleTest.javaAPI DocAndroid 1.5 API4339Wed May 06 22:42:02 BST 2009com.android.unit_tests

DatabaseLocaleTest

public class DatabaseLocaleTest extends TestCase

Fields Summary
private android.database.sqlite.SQLiteDatabase
mDatabase
private static final String[]
STRINGS
Constructors Summary
Methods Summary
private voidinsertStrings()

        for (String s : STRINGS) {
            mDatabase.execSQL("INSERT INTO test (data) VALUES('" + s + "');");
        }
    
private java.lang.String[]query(java.lang.String sql)

        Log.i("LocaleTest", "Querying: " + sql);
        Cursor c = mDatabase.rawQuery(sql, null);
        assertNotNull(c);
        ArrayList<String> items = new ArrayList<String>();
        while (c.moveToNext()) {
            items.add(c.getString(0));
            Log.i("LocaleTest", "...." + c.getString(0));
        }
        String[] result = items.toArray(new String[items.size()]);
        assertEquals(STRINGS.length, result.length);
        c.close();
        return result;
    
protected voidsetUp()


    
         
        super.setUp();
        mDatabase = SQLiteDatabase.create(null);
        mDatabase.execSQL(
                "CREATE TABLE test (id INTEGER PRIMARY KEY, data TEXT COLLATE LOCALIZED);");
    
protected voidtearDown()

        mDatabase.close();
        super.tearDown();
    
public voidtestHoge()

        Cursor cursor = null;
        try {
            String expectedString = new String(new int[] {0xFE000}, 0, 1);
            mDatabase.execSQL("INSERT INTO test(id, data) VALUES(1, '" + expectedString + "')");
            cursor = mDatabase.rawQuery("SELECT data FROM test WHERE id = 1", null);
            
            assertNotNull(cursor);
            assertTrue(cursor.moveToFirst());
            String actualString = cursor.getString(0);
            assertEquals(expectedString.length(), actualString.length());
            for (int i = 0; i < expectedString.length(); i++) {
                assertEquals((int)expectedString.charAt(i), (int)actualString.charAt(i));
            }
            assertEquals(expectedString, actualString);
        } finally {
            if (cursor != null) cursor.close();
        }
    
public voidtestLocaleInsertOrder()

        insertStrings();
        String[] results = query("SELECT data FROM test");
        MoreAsserts.assertEquals(STRINGS, results);
    
public voidtestLocaleenUS()

        insertStrings();
        Log.i("LocaleTest", "about to call setLocale en_US");
        mDatabase.setLocale(new Locale("en", "US"));
        String[] results;
        results = query("SELECT data FROM test ORDER BY data COLLATE LOCALIZED ASC");

        // The database code currently uses PRIMARY collation strength,
        // meaning that all versions of a character compare equal (regardless
        // of case or accents), leaving the "cote" flavors in database order.
        MoreAsserts.assertEquals(results, new String[] {
                STRINGS[4],  // "boy"
                STRINGS[0],  // sundry forms of "cote"
                STRINGS[1],
                STRINGS[2],
                STRINGS[3],
                STRINGS[6],  // "COTE"
                STRINGS[5],  // "dog"
        });