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

     1 /*

     2  * Copyright (c) 2013, 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 8003537

    27  * @summary javap should not use / in Bounds Type Variables

    28  */

    30 import java.io.File;

    31 import java.io.IOException;

    32 import java.io.PrintWriter;

    33 import java.io.StringWriter;

    34 import java.nio.charset.Charset;

    35 import java.nio.file.Files;

    36 import java.util.ArrayList;

    37 import java.util.List;

    38 import java.util.regex.Pattern;

    39 import static java.nio.file.StandardOpenOption.*;

    41 public class BoundsTypeVariableTest {

    42     public static void main(String... args) throws Exception {

    43         new BoundsTypeVariableTest().run();

    44     }

    46     void run() throws Exception {

    47         File srcDir = new File("src");

    48         srcDir.mkdirs();

    49         File classesDir = new File("classes");

    50         classesDir.mkdirs();

    51         final String expect = "public abstract <U extends java.lang.Object> U doit();";

    52         List<String> contents = new ArrayList<>();

    53         contents.add("abstract class X {");

    54         contents.add(expect);

    55         contents.add("}");

    57         File f = writeFile(new File(srcDir, "X.java"), contents);

    58         javac("-d", classesDir.getPath(), f.getPath());

    59         String out = javap("-p", "-v", new File(classesDir, "X.class").getPath());

    60         if (!out.contains(expect)) {

    61             throw new Exception("expected pattern not found: " + expect);

    62         }

    63     }

    65     File writeFile(File f, List<String> body) throws IOException {

    66         Files.write(f.toPath(), body, Charset.defaultCharset(),

    67                 CREATE, TRUNCATE_EXISTING);

    68         return f;

    69     }

    71     void javac(String... args) throws Exception {

    72         StringWriter sw = new StringWriter();

    73         PrintWriter pw = new PrintWriter(sw);

    74         int rc = com.sun.tools.javac.Main.compile(args, pw);

    75         pw.flush();

    76         String out = sw.toString();

    77         if (!out.isEmpty())

    78             System.err.println(out);

    79         if (rc != 0)

    80             throw new Exception("compilation failed");

    81     }

    83     String javap(String... args) throws Exception {

    84         StringWriter sw = new StringWriter();

    85         PrintWriter pw = new PrintWriter(sw);

    86         int rc = com.sun.tools.javap.Main.run(args, pw);

    87         pw.flush();

    88         String out = sw.toString();

    89         if (!out.isEmpty())

    90             System.err.println(out);

    91         if (rc != 0)

    92             throw new Exception("javap failed");

    93         return out;

    94     }

    95 }

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