DateAxis a1 = new DateAxis("Test Axis"); DateAxis a2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(a1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); a2 = (DateAxis) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } boolean b = a1.equals(a2); assertTrue(b);
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);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/axis/junit/DateAxisTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/plot/junit/MeterPlotTests.java
Method name: void testSerialization() Method name: void testSerialization2()
Number of AST nodes: 12 Number of AST nodes: 11
1
DateAxis a1 = new DateAxis("Test Axis");
2
        DateAxis a
1
MeterPlot p1 = new MeterPlot(new DefaultValueDataset(1.23));
3
2 = null;
2
        MeterPlot p2 = 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(a1);
6
            out.writeObject(p1);
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
            a2 = (DateAxis) in.readObject();
10
            p2 = (MeterPlot) 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
        boolean b = a1.equals(a2);
16
        
18
        assertTrue(b);
17
assertEquals(p1, p2);
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)0.2
Clones locationClones are in different classes having the same super class
Number of node comparisons76
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements11
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)83.2
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    DateAxis a1 = new DateAxis("Test Axis");
    1
    DateAxis a1 = new DateAxis("Test Axis");
    2
    MeterPlot p2 = null;
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.DateAxisorg.jfree.chart.plot.MeterPlotSUBCLASS_TYPE_MISMATCH
    a1p2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.DateAxisorg.jfree.chart.plot.MeterPlotSUBCLASS_TYPE_MISMATCH
    new DateAxis("Test Axis")nullTYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression new DateAxis("Test Axis") cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2
    MeterPlot p2 = null;
    2
    DateAxis a2 = null;
    2
    DateAxis a2 = null;
    1
    MeterPlot p1 = new MeterPlot(new DefaultValueDataset(1.23));
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.DateAxisorg.jfree.chart.plot.MeterPlotSUBCLASS_TYPE_MISMATCH
    a2p1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.DateAxisorg.jfree.chart.plot.MeterPlotSUBCLASS_TYPE_MISMATCH
    nullnew MeterPlot(new DefaultValueDataset(1.23))TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression new MeterPlot(new DefaultValueDataset(1.23)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    1
    MeterPlot p1 = new MeterPlot(new DefaultValueDataset(1.23));
    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(a1);
    6
    out.writeObject(a1);
    6
    out.writeObject(p1);
    Differences
    Expression1Expression2Difference
    a1p1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.DateAxisorg.jfree.chart.plot.MeterPlotSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression a1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression p1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression a1 cannot be unified with expression p1 , 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(p1);
    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
    a2 = (DateAxis)in.readObject();
    9
    a2 = (DateAxis)in.readObject();
    9
    p2 = (MeterPlot)in.readObject();
    Differences
    Expression1Expression2Difference
    a2p2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.DateAxisorg.jfree.chart.plot.MeterPlotSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.axis.DateAxisorg.jfree.chart.plot.MeterPlotSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression a2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression p2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (DateAxis)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (MeterPlot)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9
    p2 = (MeterPlot)in.readObject();
    10
    in.close();
    10
    in.close();
    11
    boolean b = a1.equals(a2);
    11
    boolean b = a1.equals(a2);
    Preondition Violations
    Unmatched statement boolean b=a1.equals(a2); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                            
    12
    assertTrue(b);
    12
    assertTrue(b);
    11
    assertEquals(p1, p2);
    Differences
    Expression1Expression2Difference
    assertTrueassertEqualsMETHOD_INVOCATION_NAME_MISMATCH
    assertTrue(b)assertEquals(p1,p2)ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression assertTrue(b) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertEquals(p1,p2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertTrue(b) is a void method call, and thus it cannot be parameterized
    Expression assertEquals(p1,p2) is a void method call, and thus it cannot be parameterized
    Expression assertTrue(b) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertEquals(p1,p2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertTrue(b) is a void method call, and thus it cannot be parameterized
    Expression assertEquals(p1,p2) is a void method call, and thus it cannot be parameterized
    11
    assertEquals(p1, p2);
    Precondition Violations (19)
    Row Violation
    1Expression new DateAxis("Test Axis") cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression new MeterPlot(new DefaultValueDataset(1.23)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression a1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression p1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression a1 cannot be unified with expression p1 , 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 a2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression p2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression (DateAxis)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression (MeterPlot)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Unmatched statement boolean b=a1.equals(a2); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    11Expression assertTrue(b) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    12Expression assertEquals(p1,p2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Expression assertTrue(b) is a void method call, and thus it cannot be parameterized
    14Expression assertEquals(p1,p2) is a void method call, and thus it cannot be parameterized
    15Expression assertTrue(b) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    16Expression assertEquals(p1,p2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    17Expression assertTrue(b) is a void method call, and thus it cannot be parameterized
    18Expression assertEquals(p1,p2) is a void method call, and thus it cannot be parameterized
    19Clone fragment #1 returns variables a1, a2 , while Clone fragment #2 returns variables