Thu, 10 Oct 2013 14:58:04 +0200
8001931: The new build system whitespace cleanup
Reviewed-by: tbell, simonis, erikj
1 /*
2 * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
24 /**
25 * @test
26 * @bug 6394683
27 * @summary need to resolve different file-type precedence semantics for javac and 269
28 */
30 import java.io.*;
31 import javax.tools.*;
33 public class T6394683 {
34 static final String testSrc = System.getProperty("test.src", ".");
35 static final File a_java = new File(testSrc, "A.java");
36 static final File a_class = new File("A.class");
37 static final File b_class = new File("B.class");
38 static final File b_java = new File("B.java");
40 static abstract class TestFile extends File {
41 TestFile(File file) {
42 super(file.getPath());
43 }
45 abstract void create() throws IOException;
46 }
48 static class JavaTestFile extends TestFile {
49 JavaTestFile(File file, String text) {
50 super(file);
51 this.text = text;
52 }
54 void create() throws IOException {
55 BufferedWriter out = new BufferedWriter(new FileWriter(this));
56 out.write(text);
57 out.newLine();
58 out.close();
59 }
61 private String text;
62 }
64 static TestFile good_java = new JavaTestFile(b_java, "class B { }");
65 static TestFile bad_java = new JavaTestFile(b_java, "class B");
67 static TestFile good_class = new TestFile(b_class) {
68 void create() throws IOException {
69 JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
70 int rc = javac.run(null, null, null,
71 "-d", ".",
72 new File(testSrc, "B.java").getPath());
73 if (rc != 0)
74 throw new AssertionError("compilation failed, rc=" + rc + " creating B.class");
75 }
76 };
78 static TestFile bad_class = new TestFile(b_class) {
79 void create() throws IOException {
80 FileOutputStream out = new FileOutputStream(b_class);
81 out.close();
82 }
83 };
86 public static void main(String ... args) throws Exception {
87 boolean ok;
89 ok = test("-Xprefer:source", good_java, bad_class);
90 ok &= test("-Xprefer:source", bad_class, good_java);
91 ok &= test("-Xprefer:newer", bad_java, good_class);
92 ok &= test("-Xprefer:newer", bad_class, good_java);
94 if (!ok)
95 throw new AssertionError("test failed");
96 }
98 static boolean test(String opt, TestFile older, TestFile newer) throws Exception {
100 // ensure clean start
101 a_class.delete();
102 b_java.delete();
103 b_class.delete();
105 older.create();
106 newer.create();
107 if (!older.exists() || !newer.exists())
108 throw new AssertionError("error creating files");
110 int n = 0;
111 while (newer.lastModified() <= older.lastModified()) {
112 if (++n == 5)
113 throw new Error("Cannot create files");
114 Thread.sleep(1000);
115 newer.create();
116 }
118 System.err.println("test:"
119 + "option:" + opt + ", "
120 + "older:" + older + "[" + older.length() + ":" + older.lastModified() + "], "
121 + "newer:" + newer + "[" + newer.length() + ":" + newer.lastModified() + "]");
122 for (String s: new File(".").list())
123 System.err.print(" " + s);
124 System.err.println();
126 JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
127 int rc = javac.run(null, null, null,
128 "-d", ".",
129 "-classpath", ".",
130 "-sourcepath", ".",
131 opt,
132 a_java.getPath());
133 if (rc != 0) {
134 error("compilation failed, rc=" + rc + ", option: " + opt + ", older:" + older + ", newer" + newer);
135 return false;
136 }
138 return true;
139 }
141 static void error(String msg) {
142 System.err.println(msg);
143 }
144 }