/** Make sure we won't pass invalid characters to XML serializer. */
public void testWriteReadNoCrash() throws Exception {
ByteArrayOutputStream os = new ByteArrayOutputStream();
XmlSerializer serializer = Xml.newSerializer();
serializer.setOutput(os, StandardCharsets.UTF_8.name());
serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true);
serializer.startDocument(null, true);
for (int ch = 0; ch < 0x10000; ch++) {
checkWriteSingleSetting(
"char=0x" + Integer.toString(ch, 16), serializer, "key", String.valueOf((char) ch));
}
checkWriteSingleSetting(serializer, "k", "");
checkWriteSingleSetting(serializer, "x", "abc");
checkWriteSingleSetting(serializer, "abc", CRAZY_STRING);
checkWriteSingleSetting(serializer, "def", null);
// Invlid input, but shouoldn't crash.
checkWriteSingleSetting(serializer, null, null);
checkWriteSingleSetting(serializer, CRAZY_STRING, null);
SettingsState.writeSingleSetting(
SettingsState.SETTINGS_VERSOIN_NEW_ENCODING, serializer, null, "k", "v", "package");
SettingsState.writeSingleSetting(
SettingsState.SETTINGS_VERSOIN_NEW_ENCODING, serializer, "1", "k", "v", null);
}
@Nullable
@Override
public SettingsState getState() {
final SettingsState saveState = new SettingsState();
saveState.serverContexts = getServerContextStates();
saveState.properties = getPropertyStates();
return saveState;
}
/** 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());
}
}
public void testIsBinary() {
assertFalse(SettingsState.isBinary(" abc 日本語"));
for (char ch = 0x20; ch < 0xd800; ch++) {
assertFalse("ch=" + Integer.toString(ch, 16), SettingsState.isBinary(String.valueOf(ch)));
}
for (char ch = 0xe000; ch < 0xfffe; ch++) {
assertFalse("ch=" + Integer.toString(ch, 16), SettingsState.isBinary(String.valueOf(ch)));
}
for (char ch = 0x0000; ch < 0x20; ch++) {
assertTrue("ch=" + Integer.toString(ch, 16), SettingsState.isBinary(String.valueOf(ch)));
}
for (char ch = 0xd800; ch < 0xe000; ch++) {
assertTrue("ch=" + Integer.toString(ch, 16), SettingsState.isBinary(String.valueOf(ch)));
}
assertTrue(SettingsState.isBinary("\ufffe"));
assertTrue(SettingsState.isBinary("\uffff"));
try {
assertFalse(SettingsState.isBinary(null));
fail("NullPointerException expected");
} catch (NullPointerException expected) {
}
}
/** 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());
}
}
private void checkWriteSingleSetting(
String msg, XmlSerializer serializer, String key, String value) throws Exception {
// Make sure the XML serializer won't crash.
SettingsState.writeSingleSetting(
SettingsState.SETTINGS_VERSOIN_NEW_ENCODING, serializer, "1", key, value, "package");
}