/** 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);
}
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");
}