DialPointer i1 = new DialPointer.Pointer(1); DialPointer i2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(i1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); i2 = (DialPointer) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(i1, i2);
SimpleHistogramDataset d1 = new SimpleHistogramDataset("D1"); SimpleHistogramDataset d2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(d1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); d2 = (SimpleHistogramDataset) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(d1, d2);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/plot/dial/junit/DialPointerTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/statistics/junit/SimpleHistogramDatasetTests.java
Method name: void testSerialization2() Method name: void testSerialization()
Number of AST nodes: 11 Number of AST nodes: 11
1
DialPointer i1 = new DialPointer.Pointer(1);
2
        DialPointer i
1
SimpleHistogramDataset d1 = new SimpleHistogramDataset("D1");
3
2 = null;
2
        SimpleHistogramDataset d2 = null;
3
        
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(i1);
7
            out.writeObject(d1);
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
            i2 = (DialPointer) in.readObject();
11
            d2 = (SimpleHistogramDataset) in.readObject();
12
            in.close();
12
            in.close();
13
        }
13
        }
14
        catch (Exception e) {
14
        catch (Exception e) {
15
            e.printStackTrace();
15
            e.printStackTrace();
16
        }
16
        }
17
        assertEquals(i1, i2);
17
        assertEquals(d1, d2);
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 comparisons73
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements10
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)34.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    DialPointer i1 = new DialPointer.Pointer(1);
    1
    DialPointer i1 = new DialPointer.Pointer(1);
    2
    SimpleHistogramDataset d2 = null;
    Differences
    Expression1Expression2Difference
    org.jfree.chart.plot.dial.DialPointerorg.jfree.data.statistics.SimpleHistogramDatasetSUBCLASS_TYPE_MISMATCH
    i1d2VARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.dial.DialPointerorg.jfree.data.statistics.SimpleHistogramDatasetSUBCLASS_TYPE_MISMATCH
    new DialPointer.Pointer(1)nullTYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression new DialPointer.Pointer(1) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2
    SimpleHistogramDataset d2 = null;
    2
    DialPointer i2 = null;
    2
    DialPointer i2 = null;
    1
    SimpleHistogramDataset d1 = new SimpleHistogramDataset("D1");
    Differences
    Expression1Expression2Difference
    org.jfree.chart.plot.dial.DialPointerorg.jfree.data.statistics.SimpleHistogramDatasetSUBCLASS_TYPE_MISMATCH
    i2d1VARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.dial.DialPointerorg.jfree.data.statistics.SimpleHistogramDatasetSUBCLASS_TYPE_MISMATCH
    nullnew SimpleHistogramDataset("D1")TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression new SimpleHistogramDataset("D1") cannot be parameterized, because it has dependencies to/from statements that will be extracted
    1
    SimpleHistogramDataset d1 = new SimpleHistogramDataset("D1");
    3
    try
    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(i1);
    6
    out.writeObject(i1);
    6
    out.writeObject(d1);
    Differences
    Expression1Expression2Difference
    i1d1VARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.dial.DialPointerorg.jfree.data.statistics.SimpleHistogramDatasetSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression i1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression d1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression i1 cannot be unified with expression d1 , because common superclass type org.jfree.util.PublicCloneable cannot be passed as an argument to public abstract void writeObject(java.lang.Object) throws java.io.IOException
    6
    out.writeObject(d1);
    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
    i2 = (DialPointer)in.readObject();
    9
    i2 = (DialPointer)in.readObject();
    9
    d2 = (SimpleHistogramDataset)in.readObject();
    Differences
    Expression1Expression2Difference
    i2d2VARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.dial.DialPointerorg.jfree.data.statistics.SimpleHistogramDatasetSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.plot.dial.DialPointerorg.jfree.data.statistics.SimpleHistogramDatasetSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression i2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression d2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (DialPointer)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (SimpleHistogramDataset)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9
    d2 = (SimpleHistogramDataset)in.readObject();
    10
    in.close();
    10
    in.close();
                                                    
    11
    assertEquals(d1, d2);
    Preondition Violations
    Unmatched statement assertEquals(d1,d2); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    11
    assertEquals(d1, d2);
    11
    assertEquals(i1, i2);
    11
    assertEquals(i1, i2);
    Preondition Violations
    Unmatched statement assertEquals(i1,i2); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                    
    Precondition Violations (12)
    Row Violation
    1Expression new DialPointer.Pointer(1) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression new SimpleHistogramDataset("D1") cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression i1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression d1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression i1 cannot be unified with expression d1 , because common superclass type org.jfree.util.PublicCloneable cannot be passed as an argument to public abstract void writeObject(java.lang.Object) throws java.io.IOException
    6Expression i2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression d2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression (DialPointer)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression (SimpleHistogramDataset)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Unmatched statement assertEquals(d1,d2); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    11Unmatched statement assertEquals(i1,i2); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    12Clone fragment #1 returns variables i1, i2 , while Clone fragment #2 returns variables d1, d2