jdk8-mips64-public/langtools: test/tools/javap/4870651/T4870651.java@5e270b126573

6715251: javap should be consistent with javac and return 2 if given no arguments
Reviewed-by: ksrini

     1 /*

     2  * Copyright 2008 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    24 /*

    25  * @test

    26  * @bug 4870651

    27  * @summary javap should recognize generics, varargs, enum

    28  * @build T4870651 Test

    29  * @run main T4870651

    30  */

    32 import java.io.*;

    34 public class T4870651 {

    35     public static void main(String[] args) throws Exception {

    36         new T4870651().run();

    37     }

    39     public void run() throws IOException {

    40         verify("Test",

    41                "class Test<T, E extends java.lang.Exception & java.lang.Comparable<T>, U extends java.lang.Comparable>",

    42                "v1(java.lang.String...)");

    44         verify("Test$Enum",

    45                "flags: ACC_FINAL, ACC_SUPER, ACC_ENUM",

    46                "flags: ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ENUM");

    48         if (errors > 0)

    49             throw new Error(errors + " found.");

    50     }

    52     String javap(String className) {

    53         String testClasses = System.getProperty("test.classes", ".");

    54         StringWriter sw = new StringWriter();

    55         PrintWriter out = new PrintWriter(sw);

    56         String[] args = { "-classpath", testClasses, "-v", className };

    57         int rc = com.sun.tools.javap.Main.run(args, out);

    58         if (rc != 0)

    59             throw new Error("javap failed. rc=" + rc);

    60         out.close();

    61         String output = sw.toString();

    62         System.out.println("class " + className);

    63         System.out.println(output);

    64         return output;

    65     }

    67     void verify(String className, String... expects) {

    68         String output = javap(className);

    69         for (String expect: expects) {

    70             if (output.indexOf(expect)< 0)

    71                 error(expect + " not found");

    72         }

    73     }

    75     void error(String msg) {

    76         System.err.println(msg);

    77         errors++;

    78     }

    80     int errors;

    81 }

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