jdk

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/*
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 * Copyright (c) 2009, 2016, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test
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 * @bug 6868539 6868548 8035364
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 * @summary javap should use current names for constant pool entries,
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 *              remove spurious ';' from constant pool entries
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 * @modules jdk.jdeps/com.sun.tools.javap
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 */
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import java.io.*;
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import java.util.*;
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public class T6868539
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{
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    public static void main(String... args) {
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        new T6868539().run();
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    }
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    void run() {
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        String output = javap("T6868539");
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        verify(output, "Utf8 +java/lang/String");                                   // 1: Utf8
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                                                                                    // 2: currently unused
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        verify(output, "Integer +123456");                                          // 3: Integer
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        verify(output, "Float +123456.0f");                                         // 4: Float
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        verify(output, "Long +123456l");                                            // 5: Long
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        verify(output, "Double +123456.0d");                                        // 6: Double
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        verify(output, "Class +#[0-9]+ +// +T6868539");                             // 7: Class
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        verify(output, "String +#[0-9]+ +// +not found");                           // 8: String
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        verify(output, "Fieldref +#[0-9]+\\.#[0-9]+ +// +T6868539.errors:I");       // 9: Fieldref
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        verify(output, "Methodref +#[0-9]+\\.#[0-9]+ +// +T6868539.run:\\(\\)V");   // 10: Methodref
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        verify(output, "InterfaceMethodref +#[0-9]+\\.#[0-9]+ +// +java/lang/Runnable\\.run:\\(\\)V");
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                                                                                    // 11: InterfaceMethodref
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        verify(output, "NameAndType +#[0-9]+:#[0-9]+ +// +run:\\(\\)V");            // 12: NameAndType
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        if (errors > 0)
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            throw new Error(errors + " found.");
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    }
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    String notFound = " not found";
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    void verify(String output, String... expects) {
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        for (String expect: expects) {
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            if (!output.matches("(?s).*" + expect + ".*"))
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                error(expect + notFound);
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        }
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    }
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    void error(String msg) {
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        System.err.println(msg);
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        errors++;
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    }
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    int errors;
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    String javap(String className) {
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        String testClasses = System.getProperty("test.classes", ".");
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        StringWriter sw = new StringWriter();
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        PrintWriter out = new PrintWriter(sw);
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        String[] args = { "-v", "-classpath", testClasses, className };
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        int rc = com.sun.tools.javap.Main.run(args, out);
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        if (rc != 0)
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            throw new Error("javap failed. rc=" + rc);
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        out.close();
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        String output = sw.toString();
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        System.out.println("class " + className);
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        System.out.println(output);
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        return output;
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    }
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    int i = 123456;
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    float f = 123456.f;
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    double d = 123456.;
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    long l = 123456L;
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    void m(Runnable r) { r.run(); }
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}
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