MeterPlot p1 = new MeterPlot(new DefaultValueDataset(1.23)); MeterPlot p2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(p1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); p2 = (MeterPlot) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(p1, p2);
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/plot/junit/MeterPlotTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/plot/junit/ValueMarkerTests.java
Method name: void testSerialization2() Method name: void testSerialization()
Number of AST nodes: 11 Number of AST nodes: 12
1
MeterPlot p1 = new MeterPlot(new DefaultValueDataset(1.23));
2
        MeterPlot p
1
ValueMarker m1 = new ValueMarker(25.0);
3
2 = null;
2
        ValueMarker m2 = null;
4
        try {
3
        try {
5
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
4
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
6
            ObjectOutput out = new ObjectOutputStream(buffer);
5
            ObjectOutput out = new ObjectOutputStream(buffer);
7
            out.writeObject(p1);
6
            out.writeObject(m1);
8
            out.close();
7
            out.close();
9
            ObjectInput in = new ObjectInputStream(
8
            ObjectInput in = new ObjectInputStream(
10
                     new ByteArrayInputStream(buffer.toByteArray()));
9
                    new ByteArrayInputStream(buffer.toByteArray()));
11
            p2 = (MeterPlot) in.readObject();
10
            m2 = (ValueMarker) in.readObject();
12
            in.close();
11
            in.close();
13
        }
12
        }
14
        catch (Exception e) {
13
        catch (Exception e) {
15
            e.printStackTrace();
14
            e.printStackTrace();
16
        }
15
        }
17
        assertEquals(p1, p2
16
        boolean b = m1.equals(m2);
18
);
17
        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)11.5
    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
    MeterPlot p1 = new MeterPlot(new DefaultValueDataset(1.23));
    1
    MeterPlot p1 = new MeterPlot(new DefaultValueDataset(1.23));
    Preondition Violations
    Unmatched statement MeterPlot p1=new MeterPlot(new DefaultValueDataset(1.23)); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                                                              
                                                  
    2
    ValueMarker m2 = null;
    2
    MeterPlot p2 = null;
                                              
    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(p1);
    6
    out.writeObject(p1);
    6
    out.writeObject(m1);
    Differences
    Expression1Expression2Difference
    p1m1VARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.MeterPlotorg.jfree.chart.plot.ValueMarkerVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.plot.MeterPlot of variable p1 does not match with type org.jfree.chart.plot.ValueMarker of variable m1
    • Make classes org.jfree.chart.plot.MeterPlot 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
    p2 = (MeterPlot)in.readObject();
    9
    p2 = (MeterPlot)in.readObject();
    Preondition Violations
    Unmatched statement p2=(MeterPlot)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement p2=(MeterPlot)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
    assertEquals(p1, p2);
    11
    assertEquals(p1, p2);
    12
    assertTrue(b);
    Differences
    Expression1Expression2Difference
    assertEqualsassertTrueMETHOD_INVOCATION_NAME_MISMATCH
    assertEquals(p1,p2)assertTrue(b)ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression assertEquals(p1,p2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertTrue(b) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertEquals(p1,p2) is a void method call, and thus it cannot be parameterized
    Expression assertTrue(b) is a void method call, and thus it cannot be parameterized
    Expression assertEquals(p1,p2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertTrue(b) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertEquals(p1,p2) is a void method call, and thus it cannot be parameterized
    Expression assertTrue(b) is a void method call, and thus it cannot be parameterized
    12
    assertTrue(b);
    Precondition Violations (15)
    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 MeterPlot p1=new MeterPlot(new DefaultValueDataset(1.23)); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Type org.jfree.chart.plot.MeterPlot of variable p1 does not match with type org.jfree.chart.plot.ValueMarker of variable m1
    4Unmatched 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
    5Unmatched 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
    6Unmatched statement p2=(MeterPlot)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    7Unmatched statement p2=(MeterPlot)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
    8Expression assertEquals(p1,p2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression assertTrue(b) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression assertEquals(p1,p2) is a void method call, and thus it cannot be parameterized
    11Expression assertTrue(b) is a void method call, and thus it cannot be parameterized
    12Expression assertEquals(p1,p2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Expression assertTrue(b) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    14Expression assertEquals(p1,p2) is a void method call, and thus it cannot be parameterized
    15Expression assertTrue(b) is a void method call, and thus it cannot be parameterized