1 /* Licensed to the Apache Software Foundation (ASF) under one or more 2 * contributor license agreements. See the NOTICE file distributed with 3 * this work for additional information regarding copyright ownership. 4 * The ASF licenses this file to You under the Apache License, Version 2.0 5 * (the "License"); you may not use this file except in compliance with 6 * the License. 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 17 package org.apache.harmony.tests.java.util.prefs; 18 19 import java.io.File; 20 import java.io.IOException; 21 import java.util.prefs.BackingStoreException; 22 import java.util.prefs.Preferences; 23 import java.util.prefs.PreferencesFactory; 24 import junit.framework.TestCase; 25 import libcore.io.IoUtils; 26 27 public class FilePreferencesImplTest extends TestCase { 28 29 private Preferences uroot; 30 private Preferences sroot; 31 32 @Override 33 protected void setUp() throws Exception { 34 File tmpDir = IoUtils.createTemporaryDirectory("FilePreferencesImplTest"); 35 AbstractPreferencesTest.TestPreferencesFactory factory 36 = new AbstractPreferencesTest.TestPreferencesFactory(tmpDir.getAbsolutePath()); 37 38 uroot = factory.userRoot().node("harmony_test"); 39 sroot = factory.systemRoot().node("harmony_test"); 40 } 41 42 @Override 43 protected void tearDown() throws Exception { 44 uroot.removeNode(); 45 sroot.removeNode(); 46 uroot = null; 47 sroot = null; 48 } 49 50 public void testPutGet() throws IOException, BackingStoreException { 51 uroot.put("ukey1", "value1"); 52 assertEquals("value1", uroot.get("ukey1", null)); 53 String[] names = uroot.keys(); 54 assertEquals(1, names.length); 55 56 uroot.put("ukey2", "value3"); 57 assertEquals("value3", uroot.get("ukey2", null)); 58 uroot.put("\u4e2d key1", "\u4e2d value1"); 59 assertEquals("\u4e2d value1", uroot.get("\u4e2d key1", null)); 60 names = uroot.keys(); 61 assertEquals(3, names.length); 62 63 uroot.flush(); 64 uroot.clear(); 65 names = uroot.keys(); 66 assertEquals(0, names.length); 67 68 sroot.put("skey1", "value1"); 69 assertEquals("value1", sroot.get("skey1", null)); 70 sroot.put("\u4e2d key1", "\u4e2d value1"); 71 assertEquals("\u4e2d value1", sroot.get("\u4e2d key1", null)); 72 } 73 74 public void testChildNodes() throws Exception { 75 Preferences child1 = uroot.node("child1"); 76 Preferences child2 = uroot.node("\u4e2d child2"); 77 Preferences grandchild = child1.node("grand"); 78 assertNotNull(grandchild); 79 80 String[] childNames = uroot.childrenNames(); 81 assertEquals(2, childNames.length); 82 83 childNames = child1.childrenNames(); 84 assertEquals(1, childNames.length); 85 86 childNames = child2.childrenNames(); 87 assertEquals(0, childNames.length); 88 89 child1.removeNode(); 90 childNames = uroot.childrenNames(); 91 assertEquals(1, childNames.length); 92 93 child2.removeNode(); 94 childNames = uroot.childrenNames(); 95 assertEquals(0, childNames.length); 96 97 child1 = sroot.node("child1"); 98 child2 = sroot.node("child2"); 99 childNames = sroot.childrenNames(); 100 101 Preferences grandchild2 = child1.node("grand"); 102 assertEquals(2, childNames.length); 103 104 childNames = child1.childrenNames(); 105 assertEquals(1, childNames.length); 106 107 childNames = child2.childrenNames(); 108 assertEquals(0, childNames.length); 109 110 child1.removeNode(); 111 assertNotSame(child1, sroot.node("child1")); 112 assertSame(sroot.node("child1"), sroot.node("child1")); 113 sroot.node("child1").removeNode(); 114 childNames = sroot.childrenNames(); 115 assertEquals(1, childNames.length); 116 child2.removeNode(); 117 childNames = sroot.childrenNames(); 118 assertEquals(0, childNames.length); 119 } 120 } 121
