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);
XYStepRenderer r1 = new XYStepRenderer(); r1.setStepPoint(0.123); XYStepRenderer r2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(r1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); r2 = (XYStepRenderer) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(r1, r2);
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/renderer/xy/junit/XYStepRendererTests.java
Method name: void testSerialization() Method name: void testSerialization()
Number of AST nodes: 12 Number of AST nodes: 12
1
DateAxis a1 = new DateAxis("Test Axis");
2
        DateAxis a
1
XYStepRenderer r1 = new XYStepRenderer();
2
        r1.setStepPoint(0.123);
3
2 = null;
3
        XYStepRenderer r2 = 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(a1);
7
            out.writeObject(r1);
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
            a2 = (DateAxis) in.readObject();
11
            r2 = (XYStepRenderer) 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
        boolean b = a1.equals(a2);
17
        
18
        assertTrue(b);
18
assertEquals(r1, r2);
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 comparisons75
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements10
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)83.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    DateAxis a1 = new DateAxis("Test Axis");
    1
    DateAxis a1 = new DateAxis("Test Axis");
    1
    XYStepRenderer r1 = new XYStepRenderer();
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.DateAxisorg.jfree.chart.renderer.xy.XYStepRendererSUBCLASS_TYPE_MISMATCH
    a1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.DateAxisorg.jfree.chart.renderer.xy.XYStepRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.axis.DateAxisorg.jfree.chart.renderer.xy.XYStepRendererSUBCLASS_TYPE_MISMATCH
    new DateAxis("Test Axis")new XYStepRenderer()ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression new DateAxis("Test Axis") cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new DateAxis("Test Axis") cannot be parameterized, because it has dependencies to/from statements that will be extracted
    1
    XYStepRenderer r1 = new XYStepRenderer();
                                                        
    2
    r1.setStepPoint(0.123);
    Preondition Violations
    Unmatched statement r1.setStepPoint(0.123); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2
    r1.setStepPoint(0.123);
    2
    DateAxis a2 = null;
    2
    DateAxis a2 = null;
    3
    XYStepRenderer r2 = null;
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.DateAxisorg.jfree.chart.renderer.xy.XYStepRendererSUBCLASS_TYPE_MISMATCH
    a2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.DateAxisorg.jfree.chart.renderer.xy.XYStepRendererSUBCLASS_TYPE_MISMATCH
    3
    XYStepRenderer r2 = null;
    3
    try
    4
    try
    4
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    5
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    5
    ObjectOutput out = new ObjectOutputStream(buffer);
    6
    ObjectOutput out = new ObjectOutputStream(buffer);
    6
    out.writeObject(a1);
    6
    out.writeObject(a1);
    7
    out.writeObject(r1);
    Differences
    Expression1Expression2Difference
    a1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.DateAxisorg.jfree.chart.renderer.xy.XYStepRendererSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression a1 cannot be unified with expression r1 , 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
    7
    out.writeObject(r1);
    7
    out.close();
    8
    out.close();
    8
    ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
    9
    ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
    9
    a2 = (DateAxis)in.readObject();
    9
    a2 = (DateAxis)in.readObject();
    10
    r2 = (XYStepRenderer)in.readObject();
    Differences
    Expression1Expression2Difference
    a2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.DateAxisorg.jfree.chart.renderer.xy.XYStepRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.axis.DateAxisorg.jfree.chart.renderer.xy.XYStepRendererSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression (DateAxis)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (XYStepRenderer)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10
    r2 = (XYStepRenderer)in.readObject();
    10
    in.close();
    11
    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
    assertEquals(r1, r2);
    Preondition Violations
    Unmatched statement assertEquals(r1,r2); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    12
    assertEquals(r1, r2);
    12
    assertTrue(b);
                                        
    Precondition Violations (9)
    Row Violation
    1Expression new DateAxis("Test Axis") cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression new DateAxis("Test Axis") cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Unmatched statement r1.setStepPoint(0.123); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    4Expression a1 cannot be unified with expression r1 , 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
    5Expression (DateAxis)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression (XYStepRenderer)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Unmatched 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
    8Unmatched statement assertEquals(r1,r2); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    9Clone fragment #1 returns variables a1, a2 , while Clone fragment #2 returns variables r1, r2