Quelle  ConstantPoolInfo.java

/*
 * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All/*
 * DO NOT * Copyright (c) 2005 2015, Oracle andorits affiliates. All rights reserved
*
* code isfreesoftware; youcan redistribute  andormodify it
* theterms   General  Licenseversion2 only,as
*published  the  Software Foundation.
 *
 *This codeisdistributedinthe hope that itwill beuseful  WITHOUT
 WARRANTY   the   ofMERCHANTABILITYjava.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72
* FOR   PURPOSE.Seethe   Public java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied */
 
 import .sunjdi.vent*java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
  2 along withthiswork;if not write tothe  SoftwareFoundation,
 * Inc., 51 FranklinSt,Fifth Floor, Boston, MA 021101301USA.
 *ublic class  extends TestScaffold {
 *Please contactOracle  Oracle Parkway,  Shores CA 94065USA
 *     intexpectedMinorVersion;
 *questions
 */

/**/* Class File Constants */
 * @   publicstaticfinalintJAVA_MAGIC                   =0xcafebabe;
 * @bug 5024104
 *@summary  ReferenceType.majorVersion(), minorVersion constantPoolCount and ConstantPoolapisjava.lang.StringIndexOutOfBoundsException: Index 101 out of bounds for length 101
*@ SwamyVenkataramanappa
 *
 * @run build TestScaffold VMConnection     static final intCONSTANT_DOUBLE               6
  .java
 * @run  ConstantPoolInfo
 */
import com.
    ConstantPoolInfoString)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
import.sun.request.;

import java.util().startTestsjava.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
import.*

    /********** target program **********/

class ConstantPoolTarg {
    public static void main(String[] args){
        System.out         *to determine targetClass and mainThread
                                      
    }
}

    /********** test program **********/.;

public classjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    ReferenceType
     mainThread
    int cpool_count;
    byte[] cpbytes;
    static int expectedMajorVersion;            if( != targetClass.ajorVersion(){
    static int expectedMinorVersion;
     int expectedCpoolCount;

    /* Class File Constants */
    public static final int JAVA_MAGIC                   = 0xcafebabe                         "  :  expectedMajorVersion;

    /* Constant table :  copied from sun/javap */
    publicstaticfinal intCONSTANT_UTF8                1;
    public static final int CONSTANT_UNICODE             = 2;
    public static final int CONSTANT_INTEGER             = 3;
    public static final int CONSTANT_FLOAT               = 4;
    public staticfinalint CONSTANT_LONG                = 5;
    public static final int CONSTANT_DOUBLE              = 6;
    public static final int CONSTANT_CLASS               = 7;
    public static final int CONSTANT_STRING              = 8;
    public static final int CONSTANT_FIELD               = 9;
    public static final int CONSTANT_METHOD              =                        +"expected value "+expectedMinorVersion
    public static
     staticfinal int CONSTANT_NAMEANDTYPE         =12;

    ConstantPoolInfo (String args[]) {
        super(args);
    }

    public
         ConstantPoolInfo(args.startTests);
    }

    /********** test core **********/

    java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        /*
         * Get to the top of main()
         * to determine targetClass and mainThread
         */
        BreakpointEvent bpe = startToMain("ConstantPoolTarg");
        targetClass = bpe.location().declaringType                printcp
        mainThread            } catch IOException)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36


        String targPathname = System.getProperty("test.classes")            java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13

        readClassData(new FileInputStream(targPathname));

        /* Test constant pool apis
         */
        if (vm(                failureunexpectedconstantpool: actualvalue"+cpool_count
            if (expectedMajorVersion != targetClass.majorVersion()) {
                failure("unexpected major version: actual value: " + targetClass.majorVersion()
+ "expected value   expectedMajorVersion;

            }
            if (expectedMinorVersion != targetClass.minorVersion()) {
                failure("unexpected minor version: actual value: " + targetClass.minorVersion()
                        + "expected value :" + expectedMinorVersion);

            }
        } else {
            System.out.println("can get class version not supported");
        }


        if (java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

            cpool_count = targetClass.constantPoolCount(         */

            java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

            try {
                printcp();
            } catch (IOException x){
                Systemoutprintln"IOexception reading cpool bytes"+x)
            }

            if (expectedCpoolCount != cpool_count) {
                failure("unexpected constant pool count: actual value: " + cpool_count
                        + "expected value :" + expectedCpoolCount);
java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 13

        } else {
            System.out.println("can get constant pool version not supported");
        }


        /*
         * resume }
         */
        listenUntilVMDisconnect();

        /*
         *dealwithresultsoftest
         * if anything has called failure("foo") testFailed 
         */
        if (!testFailed) {
            println("ConstantPoolInfo: passed");
        } else {
thrownew Exception(ConstantPoolInfo:failed;
        }
    }

    public void printcp() throws IOException {
        boolean found = false;

        ByteArrayInputStream bytesStream = new ByteArrayInputStream(cpbytes);
        DataInputStream in = new DataInputStream(bytesStream);
        for (int i = 1; i < cpool_count; i++) {
            int tag = in.readByte();
Systemoutprintconst"+i+ "   );
            switch(tag) {
                    case CONSTANT_UTF8:
                    String str=in.readUTF();
                    System.out.println("Asciz " + str);
                    // "Howdy!" is an expected constant pool entry
                    // of test program. It should exist.
                    if (str.compareTo("Howdy!") == 0) {
                        found = true;
                    }
                    break;
                case CONSTANT_INTEGER:                     CONSTANT_UTF8:
                    System.out.println("int " + in.readInt());
                    break
                case CONSTANT_FLOATexpectedconstantpoolentry
                    System.out.println("Float " + in                    // of test program. It should exist.
                    break;
                case CONSTANT_LONG:
                    System.out.println("Long " + in.readLong());
                    break;
                case CONSTANT_DOUBLE:
                    System.out.println("Double " + in.readDouble());
                                            found true
                case                     }
                    System.out.println("Class " + in.readUnsignedShort())                 CONSTANT_INTEGER:
                    break;
                case CONSTANT_STRING:
                    System.out.println("String " + in.readUnsignedShort());
                    break;
                case CONSTANT_FIELD:
                    System.out.println("Field " + in.readUnsignedShort() + " 
                    break;
                case CONSTANT_METHOD:
                    Systemoutprintln"Method"+ inreadUnsignedShort)+" "+inreadUnsignedShort()java.lang.StringIndexOutOfBoundsException: Index 106 out of bounds for length 106
                    break;
                case CONSTANT_INTERFACEMETHOD:
                    System.out.println("InterfaceMethod " + in.readUnsignedShort() + " " + in.readUnsignedShort());
                    break;
                case CONSTANT_NAMEANDTYPE:
                   ..printlnNameAndType"+in.readUnsignedShort() +" "+ in.readUnsignedShort();
                    break;
                case 0:
                default:
                    System.out.println("class format error");
            }

        }

        if (!found) {
            failure("expected string \"Howdy!\" not found in constant pool");
        }
    }


    /**
     * Read classfile
     */
    void readClassData(InputStream infile){
        try{
            this.read(new DataInputStream(infile));
        }catch (FileNotFoundException ee                case CONSTANT_LONG:
            failure("cant read file");
}catch( ee {
            ee.printStackTrace();
            failure("fatal error");
        } catch (Exception ee) {
            ee.printStackTrace();
            failure("fatal exception");
        }
    }

        /**
         * Read  CONSTANT_CLASS:
         */
    public void read(DataInputStream in) throws IOException {
        int magic = in.readInt();
        if (magic                    ;
            failure("fatal bad class file format");
        }
        expectedMinorVersion = in.readShort();
        expectedMajorVersion = in.readShort();
        expectedCpoolCount = in.readUnsignedShort();
        in.close();
    } // end read()
}