/** In version 120, value "null" meant {code NULL}. */ public void testUpgrade() throws Exception { final File file = new File(getContext().getCacheDir(), "setting.xml"); file.delete(); final Object lock = new Object(); final PrintStream os = new PrintStream(new FileOutputStream(file)); os.print( "<?xml version='1.0' encoding='UTF-8' standalone='yes' ?>" + "<settings version=\"120\">" + " <setting id=\"0\" name=\"k0\" value=\"null\" package=\"null\" />" + " <setting id=\"1\" name=\"k1\" value=\"\" package=\"\" />" + " <setting id=\"2\" name=\"k2\" value=\"v2\" package=\"p2\" />" + "</settings>"); os.close(); final SettingsState ss = new SettingsState( lock, file, 1, SettingsState.MAX_BYTES_PER_APP_PACKAGE_UNLIMITED, Looper.getMainLooper()); synchronized (lock) { SettingsState.Setting s; s = ss.getSettingLocked("k0"); assertEquals(null, s.getValue()); assertEquals("null", s.getPackageName()); s = ss.getSettingLocked("k1"); assertEquals("", s.getValue()); assertEquals("", s.getPackageName()); s = ss.getSettingLocked("k2"); assertEquals("v2", s.getValue()); assertEquals("p2", s.getPackageName()); } }
/** Make sure settings can be written to a file and also can be read. */ public void testReadWrite() { final File file = new File(getContext().getCacheDir(), "setting.xml"); file.delete(); final Object lock = new Object(); final SettingsState ssWriter = new SettingsState( lock, file, 1, SettingsState.MAX_BYTES_PER_APP_PACKAGE_UNLIMITED, Looper.getMainLooper()); ssWriter.setVersionLocked(SettingsState.SETTINGS_VERSOIN_NEW_ENCODING); ssWriter.insertSettingLocked("k1", "\u0000", "package"); ssWriter.insertSettingLocked("k2", "abc", "p2"); ssWriter.insertSettingLocked("k3", null, "p2"); ssWriter.insertSettingLocked("k4", CRAZY_STRING, "p3"); synchronized (lock) { ssWriter.persistSyncLocked(); } final SettingsState ssReader = new SettingsState( lock, file, 1, SettingsState.MAX_BYTES_PER_APP_PACKAGE_UNLIMITED, Looper.getMainLooper()); synchronized (lock) { assertEquals("\u0000", ssReader.getSettingLocked("k1").getValue()); assertEquals("abc", ssReader.getSettingLocked("k2").getValue()); assertEquals(null, ssReader.getSettingLocked("k3").getValue()); assertEquals(CRAZY_STRING, ssReader.getSettingLocked("k4").getValue()); } }