diff options
Diffstat (limited to 'packages/SettingsProvider/test/src/com/android/providers/settings/SettingsStateTest.java')
-rw-r--r-- | packages/SettingsProvider/test/src/com/android/providers/settings/SettingsStateTest.java | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/packages/SettingsProvider/test/src/com/android/providers/settings/SettingsStateTest.java b/packages/SettingsProvider/test/src/com/android/providers/settings/SettingsStateTest.java new file mode 100644 index 0000000..3f9ffa1 --- /dev/null +++ b/packages/SettingsProvider/test/src/com/android/providers/settings/SettingsStateTest.java @@ -0,0 +1,184 @@ +/* + * Copyright (C) 2015 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package com.android.providers.settings; + +import android.test.AndroidTestCase; +import android.util.Xml; + +import org.xmlpull.v1.XmlSerializer; + +import java.io.ByteArrayOutputStream; +import java.io.File; +import java.io.FileOutputStream; +import java.io.PrintStream; +import java.nio.charset.StandardCharsets; + +public class SettingsStateTest extends AndroidTestCase { + public static final String CRAZY_STRING = + "\u0000\u0001\u0002\u0003\u0004\u0005\u0006\u0007\u0008\u0009\n\u000b\u000c\r" + + "\u000e\u000f\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017\u0018\u0019\u001a" + + "\u001b\u001c\u001d\u001e\u001f\u0020" + + "fake_setting_value_1" + + "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" + + "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" + + "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" + + "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" + + "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" + + "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" + + "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" + + "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" + + "\u1000 \u2000 \u5000 \u8000 \uc000 \ue000" + + "\ud800\udc00\udbff\udfff" + // surrogate pairs + "\uD800ab\uDC00 " + // broken surrogate pairs + "日本語"; + + + 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 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(XmlSerializer serializer, String key, String value) + throws Exception { + checkWriteSingleSetting(key + "/" + value, serializer, key, value); + } + + 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"); + } + + /** + * 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); + 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); + 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()); + } + } + + /** + * 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); + 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()); + } + } +} |