test/tools/javap/T4880663.java

changeset 46
7708bd6d800d
child 65
0d4aa3c00af5
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/tools/javap/T4880663.java	Tue Jun 03 13:26:47 2008 -0700
     1.3 @@ -0,0 +1,88 @@
     1.4 +/*
     1.5 + * Copyright 2008 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 4880663
    1.30 + * @summary javap could output whitespace between class name and opening brace
    1.31 + */
    1.32 +
    1.33 +
    1.34 +import java.io.*;
    1.35 +
    1.36 +public class T4880663 {
    1.37 +    public static void main(String[] args) throws Exception {
    1.38 +        new T4880663().run();
    1.39 +    }
    1.40 +
    1.41 +    public void run() throws IOException {
    1.42 +        File javaFile = writeTestFile();
    1.43 +        File classFile = compileTestFile(javaFile);
    1.44 +        verify(classFile, "class Test {");
    1.45 +
    1.46 +        if (errors > 0)
    1.47 +            throw new Error(errors + " found.");
    1.48 +    }
    1.49 +
    1.50 +    File writeTestFile() throws IOException {
    1.51 +        File f = new File("Test.java");
    1.52 +        PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
    1.53 +        out.println("class Test { }");
    1.54 +        out.close();
    1.55 +        return f;
    1.56 +    }
    1.57 +
    1.58 +    File compileTestFile(File f) {
    1.59 +        int rc = com.sun.tools.javac.Main.compile(new String[] { "-g", f.getPath() });
    1.60 +        if (rc != 0)
    1.61 +            throw new Error("compilation failed. rc=" + rc);
    1.62 +        String path = f.getPath();
    1.63 +        return new File(path.substring(0, path.length() - 5) + ".class");
    1.64 +    }
    1.65 +
    1.66 +    String javap(File classFile) {
    1.67 +        StringWriter sw = new StringWriter();
    1.68 +        PrintWriter out = new PrintWriter(sw);
    1.69 +        int rc = com.sun.tools.javap.Main.run(new String[] { classFile.getPath() }, out);
    1.70 +        if (rc != 0)
    1.71 +            throw new Error("javap failed. rc=" + rc);
    1.72 +        out.close();
    1.73 +        System.out.println(sw.toString());
    1.74 +        return sw.toString();
    1.75 +    }
    1.76 +
    1.77 +    void verify(File classFile, String... expects) {
    1.78 +        String output = javap(classFile);
    1.79 +        for (String expect: expects) {
    1.80 +            if (output.indexOf(expect)< 0)
    1.81 +                error(expect + " not found");
    1.82 +        }
    1.83 +    }
    1.84 +
    1.85 +    void error(String msg) {
    1.86 +        System.err.println(msg);
    1.87 +        errors++;
    1.88 +    }
    1.89 +
    1.90 +    int errors;
    1.91 +}

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