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Datei: T6866657.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 6866657
* @summary add byteLength() method to primary classfile types
* @modules jdk.jdeps/com.sun.tools.classfile
*          jdk.jdeps/com.sun.tools.javap
*/

import java.io.*;
import java.util.*;
import javax.tools.*;
import com.sun.tools.javap.*;

public class T6866657
{
    public static void main(String... args) {
        new T6866657().run();
    }

    void run() {
        verify("java.lang.Object");
        verify("java.lang.String");
        verify("java.util.List");
        verify("java.util.ArrayList");
        if (errors > 0)
            throw new Error(errors + " found.");
    }

    void verify(String className) {
        try {
            PrintWriter log = new PrintWriter(System.out);
            JavaFileManager fileManager = JavapFileManager.create(null, log);
            JavaFileObject fo = fileManager.getJavaFileForInput(StandardLocation.PLATFORM_CLASS_PATH, className, JavaFileObject.Kind.CLASS);
            if (fo == null) {
                error("Can't find " + className);
            } else {
                JavapTask t = new JavapTask(log, fileManager, null);
                t.handleOptions(new String[] { "-sysinfo", className });
                JavapTask.ClassFileInfo cfInfo = t.read(fo);
                expectEqual(cfInfo.cf.byteLength(), cfInfo.size);
            }
        } catch (Exception e) {
            e.printStackTrace();
            error("Exception: " + e);
        }
    }

    void expectEqual(int found, int expected) {
        if (found != expected)
            error("bad value found: " + found + " expected: " + expected);
    }

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

    int errors;
}

¤ Dauer der Verarbeitung: 0.13 Sekunden (vorverarbeitet) ¤

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