FileTest.java revision 89c1feb0a69a7707b271086e749975b3f7acacf7 
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.luni.tests.java.io;
18
19import dalvik.annotation.TestInfo;
20import dalvik.annotation.TestLevel;
21import dalvik.annotation.TestTarget;
22import dalvik.annotation.TestTargetClass;
23
24import java.io.File;
25
26import org.apache.harmony.testframework.serialization.SerializationTest;
27
28import junit.framework.TestCase;
29@TestTargetClass(File.class)
30public class FileTest extends TestCase {
31
32    /**
33     * @tests java.io.File#File(java.io.File, java.lang.String)
34     */
35    @TestInfo(
36      level = TestLevel.COMPLETE,
37      purpose = "",
38      targets = {
39        @TestTarget(
40          methodName = "File",
41          methodArgs = {java.io.File.class, java.lang.String.class}
42        )
43    })
44    public void test_ConstructorLjava_io_FileLjava_lang_String() {
45        // Regression test for HARMONY-21
46        File path = new File("/dir/file");
47        File root = new File("/");
48        File file = new File(root, "/dir/file");
49        assertEquals("Assert 1: wrong path result ", path.getPath(), file
50                .getPath());
51        assertTrue("Assert 1.1: path not absolute ", new File("\\\\\\a\b").isAbsolute());
52
53        // Test data used in a few places below
54        String dirName = System.getProperty("user.dir");
55        String fileName = "input.tst";
56
57        // Check filename is preserved correctly
58        File d = new File(dirName);
59        File f = new File(d, fileName);
60        if (!dirName
61                .regionMatches((dirName.length() - 1), File.separator, 0, 1)) {
62            dirName += File.separator;
63        }
64        dirName += fileName;
65        assertTrue("Assert 2: Created incorrect file " + f.getPath(), f
66                .getPath().equals(dirName));
67
68        // Check null argument is handled
69        try {
70            f = new File(d, null);
71            fail("Assert 3: NullPointerException not thrown.");
72        } catch (NullPointerException e) {
73            // Expected.
74        }
75
76        f = new File((File) null, fileName);
77        assertTrue("Assert 4: Created incorrect file " + f.getPath(), f
78                .getAbsolutePath().equals(dirName));
79
80        // Regression for HARMONY-46
81        File f1 = new File("a");
82        File f2 = new File("a/");
83        assertEquals("Assert 5: Trailing slash file name is incorrect", f1, f2);
84    }
85
86    /**
87     * @tests java.io.File#hashCode()
88     */
89    @TestInfo(
90      level = TestLevel.COMPLETE,
91      purpose = "",
92      targets = {
93        @TestTarget(
94          methodName = "hashCode",
95          methodArgs = {}
96        )
97    })
98    public void test_hashCode() {
99        // Regression for HARMONY-53
100        String mixedFname = "SoMe FiLeNaMe";
101        File mfile = new File(mixedFname);
102        File lfile = new File(mixedFname.toLowerCase());
103
104        if (mfile.equals(lfile)) {
105            assertTrue("Assert 0: wrong hashcode", mfile.hashCode() == lfile.hashCode());
106        } else {
107            assertFalse("Assert 1: wrong hashcode", mfile.hashCode() == lfile.hashCode());
108        }
109    }
110
111    /**
112     * @tests java.io.File#getPath()
113     */
114    @TestInfo(
115      level = TestLevel.COMPLETE,
116      purpose = "",
117      targets = {
118        @TestTarget(
119          methodName = "getPath",
120          methodArgs = {}
121        )
122    })
123    public void test_getPath() {
124        // Regression for HARMONY-444
125        File file;
126        String separator = File.separator;
127
128        file = new File((File) null, "x/y/z");
129        assertEquals("x" + separator + "y" + separator + "z", file.getPath());
130
131        file = new File((String) null, "x/y/z");
132        assertEquals("x" + separator + "y" + separator + "z", file.getPath());
133    }
134
135    /**
136     * @tests java.io.File#getPath()
137     */
138    @TestInfo(
139      level = TestLevel.COMPLETE,
140      purpose = "",
141      targets = {
142        @TestTarget(
143          methodName = "getPath",
144          methodArgs = {}
145        )
146    })
147    public void test_getPath_With_Empty_FileName() {
148        // Regression for HARMONY-829
149        String f1ParentName = "01";
150        File f1 = new File(f1ParentName, "");
151        assertEquals(f1ParentName, f1.getPath());
152
153        String f2ParentName = "0";
154        File f2 = new File(f2ParentName, "");
155
156        assertEquals(-1, f2.compareTo(f1));
157        assertEquals(1, f1.compareTo(f2));
158
159        File parent = new File(System.getProperty("user.dir"));
160        File f3 = new File(parent, "");
161
162        assertEquals(parent.getPath(), f3.getPath());
163
164
165    }
166
167    /**
168     * @tests serialization/deserialization.
169     */
170    @TestInfo(
171              level = TestLevel.COMPLETE,
172              purpose = "Verifies self serialization/deserialization.",
173              targets = {
174                @TestTarget(
175                  methodName = "!SerializationSelf",
176                  methodArgs = {}
177                )
178            })
179    public void test_serialization_self() throws Exception {
180        File testFile = new File("test.ser");
181        SerializationTest.verifySelf(testFile);
182    }
183
184    /**
185     * @tests serialization/deserialization compatibility with RI.
186     */
187    @TestInfo(
188      level = TestLevel.COMPLETE,
189      purpose = "Verifies serialization/deserialization compatibility.",
190      targets = {
191        @TestTarget(
192          methodName = "!SerializationGolden",
193          methodArgs = {}
194        )
195    })
196    public void test_serialization_compatibility() throws Exception {
197        File file = new File("FileTest.golden.ser");
198        SerializationTest.verifyGolden(this, file);
199    }
200
201}
202