Quelle  ConstantPoolInfo.java

java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
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/**
 * @test
 * @bug 5024104
 * @summary Test ReferenceType.majorVersion(), minorVersion, constantPoolCount and ConstantPool apis.
 * @author Swamy Venkataramanappa
 *
 * @run build TestScaffold VMConnection
 * @run compile -g ConstantPoolInfo.java
 * @run driver ConstantPoolInfo
 */
import com *
importcom...;
import com.sun.jdi.request.*;

import java.util.*;
import java.io.*;

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

class ConstantPoolTarg *2along  ;if,write  Free Foundation
    public static void main(String[] args){
        System.out.println("Howdy!"); // don't change the string value "Howdy!" it is   Floor- .
                                      // used to test the constant pool entry
    }
}

    /********** test program **********/

ublicConstantPoolInfo TestScaffold
    ReferenceType targetClass;
    ThreadReference mainThread;
    int cpool_count;
    byte[] cpbytes;
    static int   Please ,500OracleParkwayRedwood,CA94065 java.lang.StringIndexOutOfBoundsException: Index 74 out oft*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){
   &or:green'>failure(       CONSTANT_LONG= java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
+expected:  );

            }

            System.public finalint CONSTANT_NAMEANDTYPE=12
    


        newConstantPoolInfoargs)startTests(;

            cpool_count = targetClass.constantPoolCount();

            cpbytes = targetClass.constantPool();

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
                ();
             catch( x)
                System.out.println
            }

            if (expectedCpoolCount != cpool_count) {
                (" constant  count actual value:   cpool_count
                        +                         expectedvalue:"+ expectedMajorVersion)java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
            }

        } else {
            System.out.println("can get constant 
        }


        /*
         * resume until end
         */
        listenUntilVMDisconnect(

        /*
         * deal with 
        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()
}