LogAxis a1 = new LogAxis("Test Axis"); LogAxis 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 = (LogAxis) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(a1, a2);
TimePeriodAnchor a1 = TimePeriodAnchor.START; TimePeriodAnchor 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 = (TimePeriodAnchor) in.readObject(); in.close(); } catch (Exception e) { System.out.println(e.toString()); } assertTrue(a1 == a2);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/axis/junit/LogAxisTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/time/junit/TimePeriodAnchorTests.java
Method name: void testSerialization() Method name: void testSerialization()
Number of AST nodes: 11 Number of AST nodes: 11
1
LogAxis a1 = new LogAxis("Test Axis");
2
        LogAxis
1
TimePeriodAnchor a1 = TimePeriodAnchor.START;
3
 a2 = null;
2
        TimePeriodAnchor a2 = 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(a1);
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
);
10
            );
12
            a2 = (LogAxis) in.readObject();
11
            a2 = (TimePeriodAnchor) in.readObject();
13
            in.close();
12
            in.close();
14
        }
13
        }
15
        catch (Exception e) {
14
        catch (Exception e) {
16
            e.printStackTrace();
15
            System.out.println(e.toString());
17
        }
16
        }
18
        assertEquals(a1, a2);
17
        assertTrue(a1 == a2);
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)0.3
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)11.9
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                
    1
    TimePeriodAnchor a1 = TimePeriodAnchor.START;
    1
    LogAxis a1 = new LogAxis("Test Axis");
    1
    LogAxis a1 = new LogAxis("Test Axis");
    Preondition Violations
    Unmatched statement LogAxis a1=new LogAxis("Test Axis"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                  
                                                            
    2
    TimePeriodAnchor a2 = null;
    2
    LogAxis a2 = null;
                                          
    3
    try
    3
    try
    3
    try
    Differences
    Expression1Expression2Difference
    printStackTraceprintlnMETHOD_INVOCATION_NAME_MISMATCH
    eSystem.outAST_TYPE_MISMATCH
    e.printStackTrace()System.out.println(e.toString())ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression System.out.println(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    Expression System.out.println(e.toString()) is a void method call, and thus it cannot be parameterized
    Expression e cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression System.out.println(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    Expression System.out.println(e.toString()) is a void method call, and thus it cannot be parameterized
    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(a1);
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.LogAxisorg.jfree.data.time.TimePeriodAnchorVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.LogAxis of variable a1 does not match with type org.jfree.data.time.TimePeriodAnchor of variable a1
    • Make classes org.jfree.chart.axis.LogAxis and org.jfree.data.time.TimePeriodAnchor extend a common superclass
    6
    out.writeObject(a1);
    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 = (TimePeriodAnchor)in.readObject();
    Preondition Violations
    Unmatched statement a2=(TimePeriodAnchor)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement a2=(TimePeriodAnchor)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
    a2 = (TimePeriodAnchor)in.readObject();
    9
    a2 = (LogAxis)in.readObject();
    9
    a2 = (LogAxis)in.readObject();
    Preondition Violations
    Unmatched statement a2=(LogAxis)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement a2=(LogAxis)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
    assertEquals(a1, a2);
    11
    assertEquals(a1, a2);
    11
    assertTrue(a1 == a2);
    Differences
    Expression1Expression2Difference
    assertEqualsassertTrueMETHOD_INVOCATION_NAME_MISMATCH
    assertEquals(a1,a2)assertTrue(a1 == a2)ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression assertEquals(a1,a2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertTrue(a1 == a2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertEquals(a1,a2) is a void method call, and thus it cannot be parameterized
    Expression assertTrue(a1 == a2) is a void method call, and thus it cannot be parameterized
    Expression assertEquals(a1,a2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertTrue(a1 == a2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertEquals(a1,a2) is a void method call, and thus it cannot be parameterized
    Expression assertTrue(a1 == a2) is a void method call, and thus it cannot be parameterized
    11
    assertTrue(a1 == a2);
    Precondition Violations (23)
    Row Violation
    1Unmatched statement LogAxis a1=new LogAxis("Test Axis"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression System.out.println(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    5Expression System.out.println(e.toString()) is a void method call, and thus it cannot be parameterized
    6Expression e cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression System.out.println(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    10Expression System.out.println(e.toString()) is a void method call, and thus it cannot be parameterized
    11Type org.jfree.chart.axis.LogAxis of variable a1 does not match with type org.jfree.data.time.TimePeriodAnchor of variable a1
    12Unmatched statement a2=(TimePeriodAnchor)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    13Unmatched statement a2=(TimePeriodAnchor)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
    14Unmatched statement a2=(LogAxis)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    15Unmatched statement a2=(LogAxis)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
    16Expression assertEquals(a1,a2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    17Expression assertTrue(a1 == a2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    18Expression assertEquals(a1,a2) is a void method call, and thus it cannot be parameterized
    19Expression assertTrue(a1 == a2) is a void method call, and thus it cannot be parameterized
    20Expression assertEquals(a1,a2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    21Expression assertTrue(a1 == a2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    22Expression assertEquals(a1,a2) is a void method call, and thus it cannot be parameterized
    23Expression assertTrue(a1 == a2) is a void method call, and thus it cannot be parameterized