jdk8-mips64-public/langtools: test/tools/javap/T7186925.java@0b6cc4ea670f

     1 /*

     2  * Copyright (c) 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    24 /*

    25  * @test

    26  * @bug 7186925

    27  * @summary JavapTask passes null to java.io.Writer

    28  */

    30 import java.io.*;

    31 import java.util.*;

    32 import javax.tools.*;

    33 import com.sun.tools.javap.*;

    35 public class T7186925

    36 {

    37     public static void main(String... args) {

    38         new T7186925().run();

    39     }

    41     void run() {

    42         verify("java.lang.Object");

    43         if (errors > 0)

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

    45     }

    47     void verify(String className) {

    48         try {

    49             JavaFileManager fileManager = JavapFileManager.create(null, null);

    50             JavaFileObject fo = fileManager.getJavaFileForInput(StandardLocation.PLATFORM_CLASS_PATH, className, JavaFileObject.Kind.CLASS);

    51             if (fo == null) {

    52                 error("Can't find " + className);

    53             } else {

    54                 JavapTask t = new JavapTask(null, fileManager, null);

    55                 t.handleOptions(new String[] { "-sysinfo", className });

    56                 JavapTask.ClassFileInfo cfInfo = t.read(fo);

    57                 expectEqual(cfInfo.cf.byteLength(), cfInfo.size);

    58             }

    59         } catch (NullPointerException ee) {

    60             ee.printStackTrace();

    61             error("Exception: " + ee);

    62         } catch (Exception ee) {

    63             System.err.println("Caught exception: " + ee);

    64         }

    65     }

    67     void expectEqual(int found, int expected) {

    68         if (found != expected)

    69             error("bad value found: " + found + " expected: " + expected);

    70     }

    72     void error(String msg) {

    73         System.err.println(msg);

    74         errors++;

    75     }

    77     int errors;

    78 }

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