MonthDateFormat mf1 = new MonthDateFormat(); MonthDateFormat mf2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(mf1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray()) ); mf2 = (MonthDateFormat) in.readObject(); in.close(); } catch (Exception e) { fail(e.toString()); } assertTrue(mf1.equals(mf2));
ValueMarker m1 = new ValueMarker(25.0); ValueMarker m2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(m1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); m2 = (ValueMarker) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } boolean b = m1.equals(m2); assertTrue(b);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/axis/junit/MonthDateFormatTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/plot/junit/ValueMarkerTests.java
Method name: void testSerialization() Method name: void testSerialization()
Number of AST nodes: 11 Number of AST nodes: 12
1
MonthDateFormat mf1 = new MonthDateFormat();
1
ValueMarker m1 = new 
2
        MonthDateFormat
2
ValueMarker(25.0);
3
 mf2 = null;
3
        ValueMarker m2 = null;
4
        try {
4
        try {
5
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
5
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
6
            ObjectOutput out = new ObjectOutputStream(buffer);
6
            ObjectOutput out = new ObjectOutputStream(buffer);
7
            out.writeObject(mf1);
7
            out.writeObject(m1);
8
            out.close();
8
            out.close();
9
            ObjectInput in = new ObjectInputStream(
9
            ObjectInput in = new ObjectInputStream(
10
                new ByteArrayInputStream(buffer.toByteArray())
10
                    new ByteArrayInputStream(buffer.toByteArray())
11
            );
11
);
12
            mf2 = (MonthDateFormat) in.readObject();
12
            m2 = (ValueMarker) in.readObject();
13
            in.close();
13
            in.close();
14
        }
14
        }
15
        catch (Exception e) {
15
        catch (Exception e) {
16
            fail(e.toString());
16
            e.printStackTrace();
17
        }
17
        }
18
        assertTrue(mf1.equals(mf2)
18
        boolean b = m1.equals(m2);
19
);
19
        assertTrue(b);
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.1
Clones locationClones are in different classes having the same super class
Number of node comparisons76
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements8
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment4
    Time elapsed for statement mapping (ms)17.6
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
                                                                                    
    1
    ValueMarker m1 = new ValueMarker(25.0);
    Preondition Violations
    Unmatched statement ValueMarker m1=new ValueMarker(25.0); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    ValueMarker m1 = new ValueMarker(25.0);
    1
    MonthDateFormat mf1 = new MonthDateFormat();
    1
    MonthDateFormat mf1 = new MonthDateFormat();
    Preondition Violations
    Unmatched statement MonthDateFormat mf1=new MonthDateFormat(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                              
                                                  
    2
    ValueMarker m2 = null;
    2
    MonthDateFormat mf2 = null;
                                                            
    3
    try
    3
    try
    3
    try
    Differences
    Expression1Expression2Difference
    failprintStackTraceMETHOD_INVOCATION_NAME_MISMATCH
    fail(e.toString())e.printStackTrace()TYPE_COMPATIBLE_REPLACEMENT
    fail(e.toString())e.printStackTrace()ARGUMENT_NUMBER_MISMATCH
    eMISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    3
    try
    4
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    4
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    5
    ObjectOutput out = new ObjectOutputStream(buffer);
    5
    ObjectOutput out = new ObjectOutputStream(buffer);
    6
    out.writeObject(mf1);
    6
    out.writeObject(mf1);
    6
    out.writeObject(m1);
    Differences
    Expression1Expression2Difference
    mf1m1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.MonthDateFormatorg.jfree.chart.plot.ValueMarkerVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.MonthDateFormat of variable mf1 does not match with type org.jfree.chart.plot.ValueMarker of variable m1
    • Make classes org.jfree.chart.axis.MonthDateFormat and org.jfree.chart.plot.ValueMarker extend a common superclass
    6
    out.writeObject(m1);
    7
    out.close();
    7
    out.close();
    8
    ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
    8
    ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
                                                                          
    9
    m2 = (ValueMarker)in.readObject();
    Preondition Violations
    Unmatched statement m2=(ValueMarker)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement m2=(ValueMarker)in.readObject(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    9
    m2 = (ValueMarker)in.readObject();
    9
    mf2 = (MonthDateFormat)in.readObject();
    9
    mf2 = (MonthDateFormat)in.readObject();
    Preondition Violations
    Unmatched statement mf2=(MonthDateFormat)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement mf2=(MonthDateFormat)in.readObject(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
                                                                                    
    10
    in.close();
    10
    in.close();
                                                            
    11
    boolean b = m1.equals(m2);
    11
    assertTrue(mf1.equals(mf2));
    11
    assertTrue(mf1.equals(mf2));
    12
    assertTrue(b);
    Differences
    Expression1Expression2Difference
    mf1.equals(mf2)bTYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression mf1.equals(mf2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression b cannot be parameterized, because it has dependencies to/from statements that will be extracted
    12
    assertTrue(b);
    Precondition Violations (17)
    Row Violation
    1Unmatched statement ValueMarker m1=new ValueMarker(25.0); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement MonthDateFormat mf1=new MonthDateFormat(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    6Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    7Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    10Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    11Type org.jfree.chart.axis.MonthDateFormat of variable mf1 does not match with type org.jfree.chart.plot.ValueMarker of variable m1
    12Unmatched statement m2=(ValueMarker)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    13Unmatched statement m2=(ValueMarker)in.readObject(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    14Unmatched statement mf2=(MonthDateFormat)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    15Unmatched statement mf2=(MonthDateFormat)in.readObject(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    16Expression mf1.equals(mf2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    17Expression b cannot be parameterized, because it has dependencies to/from statements that will be extracted