01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: *
17: */
18: package org.apache.tools.ant.util;
19:
20: import java.io.File;
21: import java.io.IOException;
22: import junit.framework.TestCase;
23:
24: /**
25: * @since Ant 1.6
26: */
27: public class LazyFileOutputStreamTest extends TestCase {
28: private LazyFileOutputStream los;
29: private final static File f = new File("test.txt");
30:
31: public LazyFileOutputStreamTest(String s) {
32: super (s);
33: }
34:
35: public void setUp() {
36: los = new LazyFileOutputStream(f);
37: }
38:
39: public void tearDown() throws IOException {
40: try {
41: los.close();
42: } finally {
43: f.delete();
44: }
45: }
46:
47: public void testNoFileWithoutWrite() throws IOException {
48: los.close();
49: assertTrue(f + " has not been written.", !f.exists());
50: }
51:
52: public void testOpen() throws IOException {
53: los.open();
54: los.close();
55: assertTrue(f + " has been written.", f.exists());
56: }
57:
58: public void testSingleByte() throws IOException {
59: los.write(0);
60: los.close();
61: assertTrue(f + " has been written.", f.exists());
62: }
63:
64: public void testByteArray() throws IOException {
65: los.write(new byte[] { 0 });
66: los.close();
67: assertTrue(f + " has been written.", f.exists());
68: }
69: }
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