Quellcode-Bibliothek

^© Kompilation durch diese Firma

[Weder Korrektheit noch Funktionsfähigkeit der Software werden zugesichert.]

Datei: T6868539.java Sprache: JAVA

/*
* Copyright (c) 2009, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/

/*
* @test
* @bug 6868539 6868548 8035364
* @summary javap should use current names for constant pool entries,
*              remove spurious ';' from constant pool entries
* @modules jdk.jdeps/com.sun.tools.javap
*/

import java.io.*;
import java.util.*;

public class T6868539

{
    public static void main(String... args) {
        new T6868539().run();
    }

    void run() {
        String output = javap("T6868539");
        verify(output, "Utf8 +java/lang/String");                                   // 1: Utf8
                                                                                    // 2: currently unused
        verify(output, "Integer +123456");                                          // 3: Integer
        verify(output, "Float +123456.0f");                                         // 4: Float
        verify(output, "Long +123456l");                                            // 5: Long
        verify(output, "Double +123456.0d");                                        // 6: Double
        verify(output, "Class +#[0-9]+ +// +T6868539"); // 7: Class
        verify(output, "String +#[0-9]+ +// +not found"); // 8: String
        verify(output, "Fieldref +#[0-9]+\\.#[0-9]+ +// +T6868539.errors:I"); // 9: Fieldref
        verify(output, "Methodref +#[0-9]+\\.#[0-9]+ +// +T6868539.run:\\(\\)V"); // 10: Methodref
        verify(output, "InterfaceMethodref +#[0-9]+\\.#[0-9]+ +// +java/lang/Runnable\\.run:\\(\\)V");
                                                                                    // 11: InterfaceMethodref
        verify(output, "NameAndType +#[0-9]+:#[0-9]+ +// +run:\\(\\)V"); // 12: NameAndType
        if (errors > 0)
            throw new Error(errors + " found.");
    }

    String notFound = " not found";

    void verify(String output, String... expects) {
        for (String expect: expects) {
            if (!output.matches("(?s).*" + expect + ".*"))
                error(expect + notFound);
        }
    }

    void error(String msg) {
        System.err.println(msg);
        errors++;
    }

    int errors;

    String javap(String className) {
        String testClasses = System.getProperty("test.classes", ".");
        StringWriter sw = new StringWriter();
        PrintWriter out = new PrintWriter(sw);
        String[] args = { "-v", "-classpath", testClasses, className };
        int rc = com.sun.tools.javap.Main.run(args, out);
        if (rc != 0)
            throw new Error("javap failed. rc=" + rc);
        out.close();
        String output = sw.toString();
        System.out.println("class " + className);
        System.out.println(output);
        return output;
    }

    int i = 123456;
    float f = 123456.f;
    double d = 123456.;
    long l = 123456L;

    void m(Runnable r) { r.run(); }
}

¤ Dauer der Verarbeitung: 0.23 Sekunden (vorverarbeitet) ¤

Download des Quellennavigators
Download des sprechenden Kalenders
in der Quellcodebibliothek suchen

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.