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
17package org.apache.harmony.tests.java.util.prefs;
18
19import java.io.File;
20import java.io.IOException;
21import java.util.prefs.BackingStoreException;
22import java.util.prefs.Preferences;
23import java.util.prefs.PreferencesFactory;
24import junit.framework.TestCase;
25import libcore.io.IoUtils;
26
27public 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