Month m1 = new Month(12, 1999); Month m2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(m1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray()) ); m2 = (Month) in.readObject(); in.close(); } catch (Exception e) { System.out.println(e.toString()); } assertEquals(m1, m2);
SimpleTimePeriod p1 = new SimpleTimePeriod(new Date(1000L), new Date(1001L)); SimpleTimePeriod 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 = (SimpleTimePeriod) 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/data/time/junit/MonthTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/time/junit/SimpleTimePeriodTests.java
Method name: void testSerialization() Method name: void testSerialization()
Number of AST nodes: 11 Number of AST nodes: 11
1
Month m1 = new Month(12, 1999);
2
        Month m
1
SimpleTimePeriod p1 = new SimpleTimePeriod(new Date(1000L),
2
        		new Date(1001L));
3
2 = null;
3
        SimpleTimePeriod p2 = 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(m1);
7
            out.writeObject(p1);
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
            m2 = (Month) in.readObject();
12
            p2 = (SimpleTimePeriod) in.readObject();
13
            in.close();
13
            in.close();
14
        }
14
        }
15
        catch (Exception e) {
15
        catch (Exception e) {
16
            System.out.println(e.toString());
16
            e.printStackTrace();
17
        }
17
        }
18
        assertEquals(m1, m2);
18
        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)0.3
Clones locationClones are in different classes having the same super class
Number of node comparisons73
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements10
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)23.5
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    Month m1 = new Month(12, 1999);
    1
    Month m1 = new Month(12, 1999);
    2
    SimpleTimePeriod p2 = null;
    Differences
    Expression1Expression2Difference
    org.jfree.data.time.Monthorg.jfree.data.time.SimpleTimePeriodSUBCLASS_TYPE_MISMATCH
    m1p2VARIABLE_NAME_MISMATCH
    org.jfree.data.time.Monthorg.jfree.data.time.SimpleTimePeriodSUBCLASS_TYPE_MISMATCH
    new Month(12,1999)nullTYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression new Month(12,1999) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2
    SimpleTimePeriod p2 = null;
    2
    Month m2 = null;
    2
    Month m2 = null;
    1
    SimpleTimePeriod p1 = new SimpleTimePeriod(new Date(1000L), new Date(1001L));
    Differences
    Expression1Expression2Difference
    org.jfree.data.time.Monthorg.jfree.data.time.SimpleTimePeriodSUBCLASS_TYPE_MISMATCH
    m2p1VARIABLE_NAME_MISMATCH
    org.jfree.data.time.Monthorg.jfree.data.time.SimpleTimePeriodSUBCLASS_TYPE_MISMATCH
    nullnew SimpleTimePeriod(new Date(1000L),new Date(1001L))TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression new SimpleTimePeriod(new Date(1000L),new Date(1001L)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    1
    SimpleTimePeriod p1 = new SimpleTimePeriod(new Date(1000L), new Date(1001L));
    3
    try
    3
    try
    3
    try
    Differences
    Expression1Expression2Difference
    printlnprintStackTraceMETHOD_INVOCATION_NAME_MISMATCH
    System.outeAST_TYPE_MISMATCH
    System.out.println(e.toString())e.printStackTrace()ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression System.out.println(e.toString()) 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()) is a void method call, and thus it cannot be parameterized
    Expression e.printStackTrace() 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 System.out.println(e.toString()) 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()) is a void method call, and thus it cannot be parameterized
    Expression e.printStackTrace() 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(m1);
    6
    out.writeObject(m1);
    6
    out.writeObject(p1);
    Differences
    Expression1Expression2Difference
    m1p1VARIABLE_NAME_MISMATCH
    org.jfree.data.time.Monthorg.jfree.data.time.SimpleTimePeriodSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression m1 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 m1 cannot be unified with expression p1 , because common superclass type org.jfree.data.time.TimePeriod 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
    m2 = (Month)in.readObject();
    9
    m2 = (Month)in.readObject();
    9
    p2 = (SimpleTimePeriod)in.readObject();
    Differences
    Expression1Expression2Difference
    m2p2VARIABLE_NAME_MISMATCH
    org.jfree.data.time.Monthorg.jfree.data.time.SimpleTimePeriodSUBCLASS_TYPE_MISMATCH
    org.jfree.data.time.Monthorg.jfree.data.time.SimpleTimePeriodSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression m2 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 (Month)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (SimpleTimePeriod)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9
    p2 = (SimpleTimePeriod)in.readObject();
    10
    in.close();
    10
    in.close();
                                                    
    11
    assertEquals(p1, p2);
    Preondition Violations
    Unmatched statement assertEquals(p1,p2); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    11
    assertEquals(p1, p2);
    11
    assertEquals(m1, m2);
    11
    assertEquals(m1, m2);
    Preondition Violations
    Unmatched statement assertEquals(m1,m2); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                    
    Precondition Violations (21)
    Row Violation
    1Expression new Month(12,1999) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression new SimpleTimePeriod(new Date(1000L),new Date(1001L)) 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() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression System.out.println(e.toString()) is a void method call, and thus it cannot be parameterized
    6Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    7Expression e 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() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression System.out.println(e.toString()) is a void method call, and thus it cannot be parameterized
    11Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    12Expression m1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Expression p1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    14Expression m1 cannot be unified with expression p1 , because common superclass type org.jfree.data.time.TimePeriod cannot be passed as an argument to public abstract void writeObject(java.lang.Object) throws java.io.IOException
    15Expression m2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    16Expression p2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    17Expression (Month)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    18Expression (SimpleTimePeriod)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    19Unmatched statement assertEquals(p1,p2); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    20Unmatched statement assertEquals(m1,m2); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    21Clone fragment #1 returns variables m1, m2 , while Clone fragment #2 returns variables p1, p2