ArrowNeedle n1 = new ArrowNeedle(false); ArrowNeedle n2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(n1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray()) ); n2 = (ArrowNeedle) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertTrue(n1.equals(n2));
XYCoordinate v1 = new XYCoordinate(1.0, 2.0); XYCoordinate v2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(v1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); v2 = (XYCoordinate) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(v1, v2);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/needle/junit/ArrowNeedleTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/xy/junit/XYCoordinateTests.java
Method name: void testSerialization() Method name: void testSerialization()
Number of AST nodes: 11 Number of AST nodes: 11
1
ArrowNeedle n1 = new ArrowNeedle(false);
1
XYCoordinate v1 = new 
2
        ArrowNeedl
2
XYCoordinate(1.0, 2.0);
3
e n2 = null;
3
        XYCoordinate v2 = 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(n1);
7
            out.writeObject(v1);
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
            n2 = (ArrowNeedle) in.readObject();
12
            v2 = (XYCoordinate) in.readObject();
13
            in.close();
13
            in.close();
14
        }
14
        }
15
        catch (Exception e) {
15
        catch (Exception e) {
16
            e.printStackTrace();
16
            e.printStackTrace();
17
        }
17
        }
18
        assertTrue(n1.equals(n2));
18
        assertEquals(v1, v2);
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 statements8
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)20.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                              
    1
    XYCoordinate v1 = new XYCoordinate(1.0, 2.0);
    Preondition Violations
    Unmatched statement XYCoordinate v1=new XYCoordinate(1.0,2.0); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    XYCoordinate v1 = new XYCoordinate(1.0, 2.0);
    1
    ArrowNeedle n1 = new ArrowNeedle(false);
    1
    ArrowNeedle n1 = new ArrowNeedle(false);
    Preondition Violations
    Unmatched statement ArrowNeedle n1=new ArrowNeedle(false); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                      
                                                    
    2
    XYCoordinate v2 = null;
    2
    ArrowNeedle n2 = 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(n1);
    6
    out.writeObject(n1);
    6
    out.writeObject(v1);
    Differences
    Expression1Expression2Difference
    n1v1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.ArrowNeedleorg.jfree.data.xy.XYCoordinateVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.ArrowNeedle of variable n1 does not match with type org.jfree.data.xy.XYCoordinate of variable v1
    • Make classes org.jfree.chart.needle.ArrowNeedle and org.jfree.data.xy.XYCoordinate extend a common superclass
    6
    out.writeObject(v1);
    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
    v2 = (XYCoordinate)in.readObject();
    Preondition Violations
    Unmatched statement v2=(XYCoordinate)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement v2=(XYCoordinate)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
    v2 = (XYCoordinate)in.readObject();
    9
    n2 = (ArrowNeedle)in.readObject();
    9
    n2 = (ArrowNeedle)in.readObject();
    Preondition Violations
    Unmatched statement n2=(ArrowNeedle)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement n2=(ArrowNeedle)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
    assertTrue(n1.equals(n2));
    11
    assertTrue(n1.equals(n2));
    11
    assertEquals(v1, v2);
    Differences
    Expression1Expression2Difference
    assertTrueassertEqualsMETHOD_INVOCATION_NAME_MISMATCH
    assertTrue(n1.equals(n2))assertEquals(v1,v2)ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression assertTrue(n1.equals(n2)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertEquals(v1,v2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertTrue(n1.equals(n2)) is a void method call, and thus it cannot be parameterized
    Expression assertEquals(v1,v2) is a void method call, and thus it cannot be parameterized
    Expression assertTrue(n1.equals(n2)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertEquals(v1,v2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertTrue(n1.equals(n2)) is a void method call, and thus it cannot be parameterized
    Expression assertEquals(v1,v2) is a void method call, and thus it cannot be parameterized
    11
    assertEquals(v1, v2);
    Precondition Violations (15)
    Row Violation
    1Unmatched statement XYCoordinate v1=new XYCoordinate(1.0,2.0); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement ArrowNeedle n1=new ArrowNeedle(false); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Type org.jfree.chart.needle.ArrowNeedle of variable n1 does not match with type org.jfree.data.xy.XYCoordinate of variable v1
    4Unmatched statement v2=(XYCoordinate)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    5Unmatched statement v2=(XYCoordinate)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 n2=(ArrowNeedle)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    7Unmatched statement n2=(ArrowNeedle)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 assertTrue(n1.equals(n2)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression assertEquals(v1,v2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression assertTrue(n1.equals(n2)) is a void method call, and thus it cannot be parameterized
    11Expression assertEquals(v1,v2) is a void method call, and thus it cannot be parameterized
    12Expression assertTrue(n1.equals(n2)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Expression assertEquals(v1,v2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    14Expression assertTrue(n1.equals(n2)) is a void method call, and thus it cannot be parameterized
    15Expression assertEquals(v1,v2) is a void method call, and thus it cannot be parameterized