PointerNeedle n1 = new PointerNeedle(); PointerNeedle 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 = (PointerNeedle) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertTrue(n1.equals(n2));
ShortTextTitle t1 = new ShortTextTitle("ABC"); ShortTextTitle t2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(t1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); t2 = (ShortTextTitle) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(t1, t2);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/needle/junit/PointerNeedleTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/title/junit/ShortTextTitleTests.java
Method name: void testSerialization() Method name: void testSerialization()
Number of AST nodes: 11 Number of AST nodes: 11
1
PointerNeedle n1 = new PointerNeedle();
1
ShortTextTitle t1 = new 
2
        PointerNeed
2
ShortTextTitle("ABC");
3
le n2 = null;
3
        ShortTextTitle t2 = 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(t1);
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 = (PointerNeedle) in.readObject();
12
            t2 = (ShortTextTitle) 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(t1, t2);
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)22.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                  
    1
    ShortTextTitle t1 = new ShortTextTitle("ABC");
    1
    PointerNeedle n1 = new PointerNeedle();
                                                                                    
                                                        
    2
    ShortTextTitle t2 = null;
    2
    PointerNeedle 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(t1);
    Differences
    Expression1Expression2Difference
    n1t1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.PointerNeedleorg.jfree.chart.title.ShortTextTitleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.PointerNeedle of variable n1 does not match with type org.jfree.chart.title.ShortTextTitle of variable t1
    • Make classes org.jfree.chart.needle.PointerNeedle and org.jfree.chart.title.ShortTextTitle extend a common superclass
    6
    out.writeObject(t1);
    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
    t2 = (ShortTextTitle)in.readObject();
    Preondition Violations
    Unmatched statement t2=(ShortTextTitle)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement t2=(ShortTextTitle)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
    t2 = (ShortTextTitle)in.readObject();
    9
    n2 = (PointerNeedle)in.readObject();
    9
    n2 = (PointerNeedle)in.readObject();
    Preondition Violations
    Unmatched statement n2=(PointerNeedle)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=(PointerNeedle)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(t1, t2);
    Differences
    Expression1Expression2Difference
    assertTrueassertEqualsMETHOD_INVOCATION_NAME_MISMATCH
    assertTrue(n1.equals(n2))assertEquals(t1,t2)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(t1,t2) 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(t1,t2) 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(t1,t2) 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(t1,t2) is a void method call, and thus it cannot be parameterized
    11
    assertEquals(t1, t2);
    Precondition Violations (13)
    Row Violation
    1Type org.jfree.chart.needle.PointerNeedle of variable n1 does not match with type org.jfree.chart.title.ShortTextTitle of variable t1
    2Unmatched statement t2=(ShortTextTitle)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Unmatched statement t2=(ShortTextTitle)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
    4Unmatched statement n2=(PointerNeedle)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    5Unmatched statement n2=(PointerNeedle)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
    6Expression assertTrue(n1.equals(n2)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression assertEquals(t1,t2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression assertTrue(n1.equals(n2)) is a void method call, and thus it cannot be parameterized
    9Expression assertEquals(t1,t2) is a void method call, and thus it cannot be parameterized
    10Expression assertTrue(n1.equals(n2)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Expression assertEquals(t1,t2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    12Expression assertTrue(n1.equals(n2)) is a void method call, and thus it cannot be parameterized
    13Expression assertEquals(t1,t2) is a void method call, and thus it cannot be parameterized