jdk8-mips64-public/langtools: test/tools/javap/T6622232.java@4a48f3173534

     1 /*

     2  * Copyright (c) 2008, 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 6622232

    27  * @summary javap gets whitespace confused

    28  */

    30 import java.io.*;

    32 public class T6622232 {

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

    34         new T6622232().run();

    35     }

    37     public void run() throws IOException {

    38         File javaFile = writeTestFile();

    39         File classFile = compileTestFile(javaFile);

    40         String output = javap(classFile);

    42         // these are all examples of bad whitespace from old javap

    43         verifyNot(output,

    44                   "\\Q  Constant value: int 3Deprecated: true\\E",

    45                   "^Deprecated: true",

    46                   "\\Q   throws java.lang.Exception, java.lang.Error  Deprecated: true\\E"

    47                );

    49         if (errors > 0)

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

    51     }

    53     File writeTestFile() throws IOException {

    54         File f = new File("Test.java");

    55         PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));

    56         out.println("class Test { ");

    57         out.println("    @Deprecated static final int f1 = 3;");

    58         out.println("    @Deprecated int f2;");

    59         out.println("    @Deprecated void m() throws Exception, Error { }");

    60         out.println("}");

    61         out.close();

    62         return f;

    63     }

    65     File compileTestFile(File f) {

    66         int rc = com.sun.tools.javac.Main.compile(new String[] { "-g", f.getPath() });

    67         if (rc != 0)

    68             throw new Error("compilation failed. rc=" + rc);

    69         String path = f.getPath();

    70         return new File(path.substring(0, path.length() - 5) + ".class");

    71     }

    73     String javap(File f) {

    74         StringWriter sw = new StringWriter();

    75         PrintWriter out = new PrintWriter(sw);

    76         int rc = com.sun.tools.javap.Main.run(new String[] { "-v", f.getPath() }, out);

    77         if (rc != 0)

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

    79         out.close();

    80         System.out.println(sw.toString());

    81         return sw.toString();

    82     }

    84     void verifyNot(String output, String... unexpects) {

    85         for (String unexpect: unexpects) {

    86             if (output.matches(unexpect))

    87                 error(unexpect + " unexpectedly found");

    88         }

    89     }

    91     void error(String msg) {

    92         System.err.println(msg);

    93         errors++;

    94     }

    96     int errors;

    97 }

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