test/tools/javap/T6824493.java

Tue, 19 May 2009 11:50:54 -0700

author
jjg
date
Tue, 19 May 2009 11:50:54 -0700
changeset 283
cd0630109de5
child 554
9d9f26857129
permissions
-rw-r--r--

6824493: experimental support for additional info for instructions
Reviewed-by: mcimadamore

     1 /*
     2  * Copyright 2009 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 import java.io.*;
    25 import java.util.*;
    27 /*
    28  * @test
    29  * @bug 6824493
    30  * @summary experimental support for additional info for instructions
    31  * @compile -g T6824493.java
    32  * @run main T6824493
    33  */
    34 public class T6824493 {
    35     public static void main(String... args) {
    36         new T6824493().run();
    37     }
    39     void run() {
    40         // for each of the options, we run javap and check for some
    41         // marker strings in the output that generally indicate the
    42         // presence of the expected output, without being as specific
    43         // as a full golden file test.
    44         test("-XDdetails:source",
    45             "for (int i = 0; i < 10; i++) {",
    46             "System.out.println(s + i);");
    48         test("-XDdetails:tryBlocks",
    49                 "try[0]",
    50                 "end try[0]",
    51                 "catch[0]");
    53         test("-XDdetails:stackMaps",
    54                 "StackMap locals:  this java/lang/String int",
    55                 "StackMap stack:  java/lang/Throwable");
    57         test("-XDdetails:localVariables",
    58                 "start local 3 // java.util.List list",
    59                 "end local 3 // java.util.List list");
    61         test("-XDdetails:localVariableTypes",
    62                 "start generic local 3 // java.util.List<java.lang.String> list",
    63                 "end generic local 3 // java.util.List<java.lang.String> list");
    65         if (errors > 0)
    66             throw new Error(errors + " errors found");
    67     }
    69     void test(String option, String... expect) {
    70         String[] args = {
    71             "-c",
    72             "-classpath",
    73             testSrc + File.pathSeparator + testClasses,
    74             option,
    75             "Test"
    76         };
    77         StringWriter sw = new StringWriter();
    78         PrintWriter pw = new PrintWriter(sw);
    79         int rc = com.sun.tools.javap.Main.run(args, pw);
    80         if (rc != 0) {
    81             error("unexpected return code from javap: " + rc);
    82             return;
    83         }
    85         String out = sw.toString();
    86         System.out.println(out);
    87         for (String e: expect) {
    88             if (!out.contains(e))
    89                 error("Not found: " + e);
    90         }
    91     }
    93     void error(String msg) {
    94         System.err.println("Error: " + msg);
    95         errors++;
    96     }
    98     private int errors;
    99     private String testSrc = System.getProperty("test.src", ".");
   100     private String testClasses = System.getProperty("test.classes", ".");
   101 }
   103 class Test {
   104     void m(String s) {
   105         for (int i = 0; i < 10; i++) {
   106             try {
   107                 List<String> list = null;
   108                 System.out.println(s + i);
   109             } catch (NullPointerException e) {
   110                 System.out.println("catch NPE");
   111             } finally {
   112                 System.out.println("finally");
   113             }
   114         }
   115     }
   116 }

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