Makoto Onuki | 3a2c3578 | 2015-06-18 11:21:58 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package com.android.providers.settings; |
| 17 | |
Svetoslav Ganov | 9205749 | 2016-05-16 12:36:43 -0700 | [diff] [blame] | 18 | import android.os.Looper; |
Makoto Onuki | 3a2c3578 | 2015-06-18 11:21:58 -0700 | [diff] [blame] | 19 | import android.test.AndroidTestCase; |
| 20 | import android.util.Xml; |
| 21 | |
| 22 | import org.xmlpull.v1.XmlSerializer; |
| 23 | |
| 24 | import java.io.ByteArrayOutputStream; |
| 25 | import java.io.File; |
| 26 | import java.io.FileOutputStream; |
| 27 | import java.io.PrintStream; |
| 28 | import java.nio.charset.StandardCharsets; |
| 29 | |
| 30 | public class SettingsStateTest extends AndroidTestCase { |
| 31 | public static final String CRAZY_STRING = |
| 32 | "\u0000\u0001\u0002\u0003\u0004\u0005\u0006\u0007\u0008\u0009\n\u000b\u000c\r" + |
| 33 | "\u000e\u000f\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017\u0018\u0019\u001a" + |
| 34 | "\u001b\u001c\u001d\u001e\u001f\u0020" + |
| 35 | "fake_setting_value_1" + |
| 36 | "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" + |
| 37 | "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" + |
| 38 | "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" + |
| 39 | "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" + |
| 40 | "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" + |
| 41 | "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" + |
| 42 | "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" + |
| 43 | "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" + |
| 44 | "\u1000 \u2000 \u5000 \u8000 \uc000 \ue000" + |
| 45 | "\ud800\udc00\udbff\udfff" + // surrogate pairs |
| 46 | "\uD800ab\uDC00 " + // broken surrogate pairs |
| 47 | "日本語"; |
| 48 | |
| 49 | |
| 50 | public void testIsBinary() { |
| 51 | assertFalse(SettingsState.isBinary(" abc 日本語")); |
| 52 | |
| 53 | for (char ch = 0x20; ch < 0xd800; ch++) { |
| 54 | assertFalse("ch=" + Integer.toString(ch, 16), |
| 55 | SettingsState.isBinary(String.valueOf(ch))); |
| 56 | } |
| 57 | for (char ch = 0xe000; ch < 0xfffe; ch++) { |
| 58 | assertFalse("ch=" + Integer.toString(ch, 16), |
| 59 | SettingsState.isBinary(String.valueOf(ch))); |
| 60 | } |
| 61 | |
| 62 | for (char ch = 0x0000; ch < 0x20; ch++) { |
| 63 | assertTrue("ch=" + Integer.toString(ch, 16), |
| 64 | SettingsState.isBinary(String.valueOf(ch))); |
| 65 | } |
| 66 | for (char ch = 0xd800; ch < 0xe000; ch++) { |
| 67 | assertTrue("ch=" + Integer.toString(ch, 16), |
| 68 | SettingsState.isBinary(String.valueOf(ch))); |
| 69 | } |
| 70 | assertTrue(SettingsState.isBinary("\ufffe")); |
| 71 | assertTrue(SettingsState.isBinary("\uffff")); |
| 72 | try { |
| 73 | assertFalse(SettingsState.isBinary(null)); |
| 74 | fail("NullPointerException expected"); |
| 75 | } catch (NullPointerException expected) { |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | /** Make sure we won't pass invalid characters to XML serializer. */ |
| 80 | public void testWriteReadNoCrash() throws Exception { |
| 81 | ByteArrayOutputStream os = new ByteArrayOutputStream(); |
| 82 | |
| 83 | XmlSerializer serializer = Xml.newSerializer(); |
| 84 | serializer.setOutput(os, StandardCharsets.UTF_8.name()); |
| 85 | serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); |
| 86 | serializer.startDocument(null, true); |
| 87 | |
| 88 | for (int ch = 0; ch < 0x10000; ch++) { |
| 89 | checkWriteSingleSetting("char=0x" + Integer.toString(ch, 16), serializer, |
| 90 | "key", String.valueOf((char) ch)); |
| 91 | } |
| 92 | checkWriteSingleSetting(serializer, "k", ""); |
| 93 | checkWriteSingleSetting(serializer, "x", "abc"); |
| 94 | checkWriteSingleSetting(serializer, "abc", CRAZY_STRING); |
| 95 | checkWriteSingleSetting(serializer, "def", null); |
| 96 | |
| 97 | // Invlid input, but shouoldn't crash. |
| 98 | checkWriteSingleSetting(serializer, null, null); |
| 99 | checkWriteSingleSetting(serializer, CRAZY_STRING, null); |
| 100 | SettingsState.writeSingleSetting( |
Svetoslav Ganov | a340bfd | 2016-08-02 18:24:49 -0700 | [diff] [blame] | 101 | SettingsState.SETTINGS_VERSION_NEW_ENCODING, |
Svetoslav Ganov | e080da9 | 2016-12-21 17:10:35 -0800 | [diff] [blame] | 102 | serializer, null, "k", "v", null, "package", null, false); |
Makoto Onuki | 3a2c3578 | 2015-06-18 11:21:58 -0700 | [diff] [blame] | 103 | SettingsState.writeSingleSetting( |
Svetoslav Ganov | a340bfd | 2016-08-02 18:24:49 -0700 | [diff] [blame] | 104 | SettingsState.SETTINGS_VERSION_NEW_ENCODING, |
Svetoslav Ganov | e080da9 | 2016-12-21 17:10:35 -0800 | [diff] [blame] | 105 | serializer, "1", "k", "v", null, null, null, false); |
Makoto Onuki | 3a2c3578 | 2015-06-18 11:21:58 -0700 | [diff] [blame] | 106 | } |
| 107 | |
| 108 | private void checkWriteSingleSetting(XmlSerializer serializer, String key, String value) |
| 109 | throws Exception { |
| 110 | checkWriteSingleSetting(key + "/" + value, serializer, key, value); |
| 111 | } |
| 112 | |
| 113 | private void checkWriteSingleSetting(String msg, XmlSerializer serializer, |
| 114 | String key, String value) throws Exception { |
| 115 | // Make sure the XML serializer won't crash. |
| 116 | SettingsState.writeSingleSetting( |
Svetoslav Ganov | a340bfd | 2016-08-02 18:24:49 -0700 | [diff] [blame] | 117 | SettingsState.SETTINGS_VERSION_NEW_ENCODING, |
Svetoslav Ganov | e080da9 | 2016-12-21 17:10:35 -0800 | [diff] [blame] | 118 | serializer, "1", key, value, null, "package", null, false); |
Makoto Onuki | 3a2c3578 | 2015-06-18 11:21:58 -0700 | [diff] [blame] | 119 | } |
| 120 | |
| 121 | /** |
| 122 | * Make sure settings can be written to a file and also can be read. |
| 123 | */ |
| 124 | public void testReadWrite() { |
| 125 | final File file = new File(getContext().getCacheDir(), "setting.xml"); |
| 126 | file.delete(); |
| 127 | final Object lock = new Object(); |
| 128 | |
Svetoslav Ganov | e080da9 | 2016-12-21 17:10:35 -0800 | [diff] [blame] | 129 | final SettingsState ssWriter = new SettingsState(getContext(), lock, file, 1, |
Svetoslav Ganov | 9205749 | 2016-05-16 12:36:43 -0700 | [diff] [blame] | 130 | SettingsState.MAX_BYTES_PER_APP_PACKAGE_UNLIMITED, Looper.getMainLooper()); |
Svetoslav Ganov | a340bfd | 2016-08-02 18:24:49 -0700 | [diff] [blame] | 131 | ssWriter.setVersionLocked(SettingsState.SETTINGS_VERSION_NEW_ENCODING); |
Makoto Onuki | 3a2c3578 | 2015-06-18 11:21:58 -0700 | [diff] [blame] | 132 | |
Svetoslav Ganov | e080da9 | 2016-12-21 17:10:35 -0800 | [diff] [blame] | 133 | ssWriter.insertSettingLocked("k1", "\u0000", null, false, "package"); |
| 134 | ssWriter.insertSettingLocked("k2", "abc", null, false, "p2"); |
| 135 | ssWriter.insertSettingLocked("k3", null, null, false, "p2"); |
| 136 | ssWriter.insertSettingLocked("k4", CRAZY_STRING, null, false, "p3"); |
Makoto Onuki | 3a2c3578 | 2015-06-18 11:21:58 -0700 | [diff] [blame] | 137 | synchronized (lock) { |
| 138 | ssWriter.persistSyncLocked(); |
| 139 | } |
| 140 | |
Svetoslav Ganov | e080da9 | 2016-12-21 17:10:35 -0800 | [diff] [blame] | 141 | final SettingsState ssReader = new SettingsState(getContext(), lock, file, 1, |
Svetoslav Ganov | 9205749 | 2016-05-16 12:36:43 -0700 | [diff] [blame] | 142 | SettingsState.MAX_BYTES_PER_APP_PACKAGE_UNLIMITED, Looper.getMainLooper()); |
Makoto Onuki | 3a2c3578 | 2015-06-18 11:21:58 -0700 | [diff] [blame] | 143 | synchronized (lock) { |
| 144 | assertEquals("\u0000", ssReader.getSettingLocked("k1").getValue()); |
| 145 | assertEquals("abc", ssReader.getSettingLocked("k2").getValue()); |
| 146 | assertEquals(null, ssReader.getSettingLocked("k3").getValue()); |
| 147 | assertEquals(CRAZY_STRING, ssReader.getSettingLocked("k4").getValue()); |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * In version 120, value "null" meant {code NULL}. |
| 153 | */ |
| 154 | public void testUpgrade() throws Exception { |
| 155 | final File file = new File(getContext().getCacheDir(), "setting.xml"); |
| 156 | file.delete(); |
| 157 | final Object lock = new Object(); |
| 158 | final PrintStream os = new PrintStream(new FileOutputStream(file)); |
| 159 | os.print( |
| 160 | "<?xml version='1.0' encoding='UTF-8' standalone='yes' ?>" + |
| 161 | "<settings version=\"120\">" + |
| 162 | " <setting id=\"0\" name=\"k0\" value=\"null\" package=\"null\" />" + |
| 163 | " <setting id=\"1\" name=\"k1\" value=\"\" package=\"\" />" + |
| 164 | " <setting id=\"2\" name=\"k2\" value=\"v2\" package=\"p2\" />" + |
| 165 | "</settings>"); |
| 166 | os.close(); |
| 167 | |
Svetoslav Ganov | e080da9 | 2016-12-21 17:10:35 -0800 | [diff] [blame] | 168 | final SettingsState ss = new SettingsState(getContext(), lock, file, 1, |
Svetoslav Ganov | 9205749 | 2016-05-16 12:36:43 -0700 | [diff] [blame] | 169 | SettingsState.MAX_BYTES_PER_APP_PACKAGE_UNLIMITED, Looper.getMainLooper()); |
Makoto Onuki | 3a2c3578 | 2015-06-18 11:21:58 -0700 | [diff] [blame] | 170 | synchronized (lock) { |
| 171 | SettingsState.Setting s; |
| 172 | s = ss.getSettingLocked("k0"); |
| 173 | assertEquals(null, s.getValue()); |
| 174 | assertEquals("null", s.getPackageName()); |
| 175 | |
| 176 | s = ss.getSettingLocked("k1"); |
| 177 | assertEquals("", s.getValue()); |
| 178 | assertEquals("", s.getPackageName()); |
| 179 | |
| 180 | s = ss.getSettingLocked("k2"); |
| 181 | assertEquals("v2", s.getValue()); |
| 182 | assertEquals("p2", s.getPackageName()); |
| 183 | } |
| 184 | } |
| 185 | } |