test/tools/javap/T8032814.java

changeset 0
959103a6100f
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/tools/javap/T8032814.java	Wed Apr 27 01:34:52 2016 +0800
     1.3 @@ -0,0 +1,93 @@
     1.4 +/*
     1.5 + * Copyright (c) 2014, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/*
    1.28 + * @test
    1.29 + * @bug 8032814
    1.30 + * @summary LineNumberTable/LocalVariableTable tables duplication for the
    1.31 + *          "-v -l" combination of options
    1.32 + * @compile -g T8032814.java
    1.33 + * @run main T8032814
    1.34 + */
    1.35 +
    1.36 +import java.io.*;
    1.37 +import java.util.*;
    1.38 +
    1.39 +public class T8032814 {
    1.40 +    public static void main(String... args) throws Exception {
    1.41 +        new T8032814().run();
    1.42 +    }
    1.43 +
    1.44 +    void run() throws Exception {
    1.45 +        Class<?> clazz = T8032814.class;
    1.46 +        int count = clazz.getDeclaredConstructors().length
    1.47 +                + clazz.getDeclaredMethods().length;
    1.48 +        test(clazz, 0);
    1.49 +        test(clazz, count, "-v");
    1.50 +        test(clazz, count, "-l");
    1.51 +        test(clazz, count, "-v", "-l");
    1.52 +
    1.53 +        if (errors > 0)
    1.54 +            throw new Exception(errors + " errors occurred");
    1.55 +    }
    1.56 +
    1.57 +    void test(Class<?> clazz, int expectedCount, String... opts) throws Exception {
    1.58 +        System.err.println("test class " + clazz.getName() + " " + Arrays.asList(opts) + ": expect: " + expectedCount);
    1.59 +        List<String> args = new ArrayList<String>();
    1.60 +        args.addAll(Arrays.asList(opts));
    1.61 +        args.addAll(Arrays.asList("-classpath", System.getProperty("test.classes")));
    1.62 +        args.add(clazz.getName());
    1.63 +        StringWriter sw = new StringWriter();
    1.64 +        PrintWriter pw = new PrintWriter(sw);
    1.65 +        int rc = com.sun.tools.javap.Main.run(args.toArray(new String[args.size()]), pw);
    1.66 +        pw.close();
    1.67 +        String out = sw.toString();
    1.68 +        if (rc != 0)
    1.69 +            throw new Exception("javap failed unexpectedly: rc=" + rc);
    1.70 +
    1.71 +        int lntCount = 0, lvtCount = 0;
    1.72 +        for (String line: out.split("[\r\n]+")) {
    1.73 +            if (line.matches("^ *LineNumberTable:$"))
    1.74 +                lntCount++;
    1.75 +            if (line.matches("^ *LocalVariableTable:$"))
    1.76 +                lvtCount++;
    1.77 +        }
    1.78 +        checkEqual("LineNumberTable", lntCount, expectedCount);
    1.79 +        checkEqual("LocalVariableTable", lvtCount, expectedCount);
    1.80 +    }
    1.81 +
    1.82 +    void checkEqual(String attr, int found, int expect) {
    1.83 +        if (found != expect) {
    1.84 +            error("Unexpected number of occurrences of " + attr + "\n" +
    1.85 +                "found: " + found + ", expected: " + expect);
    1.86 +        }
    1.87 +    }
    1.88 +
    1.89 +    void error(String msg) {
    1.90 +        System.err.println("Error: " + msg);
    1.91 +        errors++;
    1.92 +    }
    1.93 +
    1.94 +    int errors = 0;
    1.95 +}
    1.96 +

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