test/tools/javap/T6879371.java

changeset 402
261c54b2312e
child 554
9d9f26857129
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/tools/javap/T6879371.java	Tue Sep 08 11:43:57 2009 -0700
     1.3 @@ -0,0 +1,119 @@
     1.4 +/*
     1.5 + * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.24 + * have any questions.
    1.25 + */
    1.26 +
    1.27 +/*
    1.28 + * @test
    1.29 + * @bug 6879371
    1.30 + * @summary javap does not close internal default file manager
    1.31 + */
    1.32 +
    1.33 +import java.io.*;
    1.34 +import java.util.zip.*;
    1.35 +
    1.36 +public class T6879371 {
    1.37 +    public static void main(String[] args) throws Exception {
    1.38 +        new T6879371().run();
    1.39 +    }
    1.40 +
    1.41 +    public void run() throws Exception {
    1.42 +        // create a simple test class which we can put into
    1.43 +        // a test zip file and know that it will be used by
    1.44 +        // javap.
    1.45 +        File classDir = new File("classes");
    1.46 +        classDir.mkdir();
    1.47 +
    1.48 +        String className = "Test";
    1.49 +        File javaFile = writeTestFile(className);
    1.50 +        compileTestFile(classDir, javaFile);
    1.51 +
    1.52 +        test(classDir, className, false);
    1.53 +        test(classDir, className, true);
    1.54 +    }
    1.55 +
    1.56 +    void test(File classDir, String className, boolean useJavaUtilZip) throws Exception {
    1.57 +        // javac should really not be using system properties like this
    1.58 +        // -- it should really be using (hidden) options -- but until then
    1.59 +        // take care to leave system properties as we find them, so as not
    1.60 +        // to adversely affect other tests that might follow.
    1.61 +        String prev = System.getProperty("useJavaUtilZip");
    1.62 +        setProperty("useJavaUtilZip", (useJavaUtilZip ? "true" : null));
    1.63 +        try {
    1.64 +            File zipFile = zip(classDir, new File(classDir + ".zip"));
    1.65 +            javap("-classpath", zipFile.getPath(), className);
    1.66 +
    1.67 +            if (!zipFile.delete())
    1.68 +                throw new Exception("failed to delete " + zipFile);
    1.69 +        } finally {
    1.70 +            setProperty("useJavaUtilZip", prev);
    1.71 +        }
    1.72 +    }
    1.73 +
    1.74 +    File writeTestFile(String name) throws IOException {
    1.75 +        File f = new File(name + ".java");
    1.76 +        PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
    1.77 +        out.println("class " + name + " { }");
    1.78 +        out.close();
    1.79 +        return f;
    1.80 +    }
    1.81 +
    1.82 +    void compileTestFile(File classDir, File file) {
    1.83 +        int rc = com.sun.tools.javac.Main.compile(
    1.84 +           new String[] { "-d", classDir.getPath(), file.getPath() });
    1.85 +        if (rc != 0)
    1.86 +            throw new Error("compilation failed. rc=" + rc);
    1.87 +    }
    1.88 +
    1.89 +    File zip(File dir, File zipFile) throws IOException {
    1.90 +        ZipOutputStream zipOut = new ZipOutputStream(new FileOutputStream(zipFile));
    1.91 +        for (File file: dir.listFiles()) {
    1.92 +            if (file.isFile()) {
    1.93 +                byte[] data = new byte[(int) file.length()];
    1.94 +                DataInputStream in = new DataInputStream(new FileInputStream(file));
    1.95 +                in.readFully(data);
    1.96 +                in.close();
    1.97 +                zipOut.putNextEntry(new ZipEntry(file.getName()));
    1.98 +                zipOut.write(data, 0, data.length);
    1.99 +                zipOut.closeEntry();
   1.100 +            }
   1.101 +        }
   1.102 +        zipOut.close();
   1.103 +        return zipFile;
   1.104 +    }
   1.105 +
   1.106 +    String javap(String... args) {
   1.107 +        StringWriter sw = new StringWriter();
   1.108 +        PrintWriter out = new PrintWriter(sw);
   1.109 +        int rc = com.sun.tools.javap.Main.run(args, out);
   1.110 +        if (rc != 0)
   1.111 +            throw new Error("javap failed. rc=" + rc);
   1.112 +        out.close();
   1.113 +        return sw.toString();
   1.114 +    }
   1.115 +
   1.116 +    void setProperty(String key, String value) {
   1.117 +        if (value != null)
   1.118 +            System.setProperty(key, value);
   1.119 +        else
   1.120 +            System.getProperties().remove(key);
   1.121 +    }
   1.122 +}

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