| /* |
| * Copyright (C) 2011 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 android.os; |
| |
| import junit.framework.TestCase; |
| |
| import android.os.SystemProperties; |
| import android.test.suitebuilder.annotation.SmallTest; |
| |
| public class SystemPropertiesTest extends TestCase { |
| private static final String KEY = "sys.testkey"; |
| private static final String PERSIST_KEY = "persist.sys.testkey"; |
| |
| @SmallTest |
| public void testStressPersistPropertyConsistency() throws Exception { |
| for (int i = 0; i < 100; ++i) { |
| SystemProperties.set(PERSIST_KEY, Long.toString(i)); |
| long ret = SystemProperties.getLong(PERSIST_KEY, -1); |
| assertEquals(i, ret); |
| } |
| } |
| |
| @SmallTest |
| public void testStressMemoryPropertyConsistency() throws Exception { |
| for (int i = 0; i < 100; ++i) { |
| SystemProperties.set(KEY, Long.toString(i)); |
| long ret = SystemProperties.getLong(KEY, -1); |
| assertEquals(i, ret); |
| } |
| } |
| |
| @SmallTest |
| public void testProperties() throws Exception { |
| String value; |
| |
| SystemProperties.set(KEY, ""); |
| value = SystemProperties.get(KEY, "default"); |
| assertEquals("default", value); |
| |
| SystemProperties.set(KEY, "SA"); |
| value = SystemProperties.get(KEY, "default"); |
| assertEquals("SA", value); |
| |
| value = SystemProperties.get(KEY); |
| assertEquals("SA", value); |
| |
| SystemProperties.set(KEY, ""); |
| value = SystemProperties.get(KEY, "default"); |
| assertEquals("default", value); |
| |
| value = SystemProperties.get(KEY); |
| assertEquals("", value); |
| } |
| } |