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Java > Open Source Codes > net > sf > retrotranslator > runtime > java > io > _PrintWriterTestCase


1 /***
2  * Retrotranslator: a Java bytecode transformer that translates Java classes
3  * compiled with JDK 5.0 into classes that can be run on JVM 1.4.
4  *
5  * Copyright (c) 2005 - 2007 Taras Puchko
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  * notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  * notice, this list of conditions and the following disclaimer in the
15  * documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the copyright holders nor the names of its
17  * contributors may be used to endorse or promote products derived from
18  * this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30  * THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 package net.sf.retrotranslator.runtime.java.io;
33
34 import java.io.*;
35 import java.util.Locale JavaDoc;
36 import net.sf.retrotranslator.tests.BaseTestCase;
37
38 /**
39  * @author Taras Puchko
40  */
41 public class _PrintWriterTestCase extends BaseTestCase {
42
43     public void testConstructors() throws Exception JavaDoc {
44         File file = File.createTempFile("_PrintWriterTestCase", ".tmp");
45         try {
46             writeAndClose(new PrintWriter(file), "test1");
47             assertEquals("test1", readLine(file, null));
48
49             writeAndClose(new PrintWriter(file, "UTF-16"), "test2");
50             assertEquals("test2", readLine(file, "UTF-16"));
51
52             writeAndClose(new PrintWriter(file.getPath()), "test3");
53             assertEquals("test3", readLine(file, null));
54
55             writeAndClose(new PrintWriter(file.getPath(), "UTF-16"), "test4");
56             assertEquals("test4", readLine(file, "UTF-16"));
57         } finally {
58             file.delete();
59         }
60     }
61
62     private static void writeAndClose(PrintWriter writer, String JavaDoc s) throws Exception JavaDoc {
63         try {
64             writer.write(s);
65         } finally {
66             writer.close();
67         }
68     }
69
70     public void testFormat() throws Exception JavaDoc {
71         ByteArrayOutputStream stream = new ByteArrayOutputStream();
72         PrintWriter writer = new PrintWriter(stream, true);
73         writer.format("Hello, %s!", "World");
74         writer.format(Locale.FRANCE, " - %f", 1.2);
75         assertEquals("Hello, World! - 1,200000", stream.toString());
76     }
77
78     public void testPrintf() throws Exception JavaDoc {
79         ByteArrayOutputStream stream = new ByteArrayOutputStream();
80         PrintWriter writer = new PrintWriter(stream, true);
81         writer.printf("Hello, %s!", "World");
82         writer.printf(Locale.FRANCE, " - %,d", 1000000);
83         assertEquals("Hello, World! - 1 000 000", stream.toString());
84     }
85 }
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