Day d1 = new Day(15, 4, 2000); Day d2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(d1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray()) ); d2 = (Day) in.readObject(); in.close(); } catch (Exception e) { System.out.println(e.toString()); } assertEquals(d1, d2);
Quarter q1 = new Quarter(4, 1999); Quarter q2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(q1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray()) ); q2 = (Quarter) in.readObject(); in.close(); } catch (Exception e) { System.out.println(e.toString()); } assertEquals(q1, q2);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/data/time/junit/DayTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/time/junit/QuarterTests.java
Method name: void testSerialization() Method name: void testSerialization()
Number of AST nodes: 11 Number of AST nodes: 11
1
Day d1 = new Day(15, 4, 2000);
1
Quarter q1 = new Quarter(4, 1999);
2
        Day d2 = null;
2
        Quarter q2 = 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(d1);
6
            out.writeObject(q1);
7
            out.close();
7
            out.close();
8
            ObjectInput in = new ObjectInputStream(
8
            ObjectInput in = new ObjectInputStream(
9
                new ByteArrayInputStream(buffer.toByteArray())
9
                new ByteArrayInputStream(buffer.toByteArray())
10
            );
10
            );
11
            d2 = (Day) in.readObject();
11
            q2 = (Quarter) in.readObject();
12
            in.close();
12
            in.close();
13
        }
13
        }
14
        catch (Exception e) {
14
        catch (Exception e) {
15
            System.out.println(e.toString());
15
            System.out.println(e.toString());
16
        }
16
        }
17
        assertEquals(d1, d2);
17
        assertEquals(q1, q2);
Summary
Number of common nesting structure subtrees1
Number of refactorable cases1
Number of non-refactorable cases0
Time elapsed for finding largest common nesting structure subtrees (ms)0.2
Clones locationClones are in different classes having the same super class
Number of node comparisons69
  1. {Refactorable}
    Mapping Summary
    Number of mapped statements11
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)25.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    Day d1 = new Day(15, 4, 2000);
    1
    Day d1 = new Day(15, 4, 2000);
    1
    Quarter q1 = new Quarter(4, 1999);
    Differences
    Expression1Expression2Difference
    org.jfree.data.time.Dayorg.jfree.data.time.QuarterSUBCLASS_TYPE_MISMATCH
    d1q1VARIABLE_NAME_MISMATCH
    org.jfree.data.time.Dayorg.jfree.data.time.QuarterSUBCLASS_TYPE_MISMATCH
    org.jfree.data.time.Dayorg.jfree.data.time.QuarterSUBCLASS_TYPE_MISMATCH
    new Day(15,4,2000)new Quarter(4,1999)ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression new Day(15,4,2000) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new Quarter(4,1999) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new Day(15,4,2000) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new Quarter(4,1999) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    1
    Quarter q1 = new Quarter(4, 1999);
    2
    Day d2 = null;
    2
    Day d2 = null;
    2
    Quarter q2 = null;
    Differences
    Expression1Expression2Difference
    org.jfree.data.time.Dayorg.jfree.data.time.QuarterSUBCLASS_TYPE_MISMATCH
    d2q2VARIABLE_NAME_MISMATCH
    org.jfree.data.time.Dayorg.jfree.data.time.QuarterSUBCLASS_TYPE_MISMATCH
    2
    Quarter q2 = 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(d1);
    6
    out.writeObject(d1);
    6
    out.writeObject(q1);
    Differences
    Expression1Expression2Difference
    d1q1VARIABLE_NAME_MISMATCH
    org.jfree.data.time.Dayorg.jfree.data.time.QuarterSUBCLASS_TYPE_MISMATCH
    6
    out.writeObject(q1);
    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
    d2 = (Day)in.readObject();
    9
    d2 = (Day)in.readObject();
    9
    q2 = (Quarter)in.readObject();
    Differences
    Expression1Expression2Difference
    d2q2VARIABLE_NAME_MISMATCH
    org.jfree.data.time.Dayorg.jfree.data.time.QuarterSUBCLASS_TYPE_MISMATCH
    org.jfree.data.time.Dayorg.jfree.data.time.QuarterSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression (Day)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (Quarter)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9
    q2 = (Quarter)in.readObject();
    10
    in.close();
    10
    in.close();
    11
    assertEquals(d1, d2);
    11
    assertEquals(d1, d2);
    11
    assertEquals(q1, q2);
    Differences
    Expression1Expression2Difference
    d1q1VARIABLE_NAME_MISMATCH
    org.jfree.data.time.Dayorg.jfree.data.time.QuarterSUBCLASS_TYPE_MISMATCH
    d2q2VARIABLE_NAME_MISMATCH
    org.jfree.data.time.Dayorg.jfree.data.time.QuarterSUBCLASS_TYPE_MISMATCH
    11
    assertEquals(q1, q2);
    Precondition Violations (6)
    Row Violation
    1Expression new Day(15,4,2000) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression new Quarter(4,1999) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression new Day(15,4,2000) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression new Quarter(4,1999) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression (Day)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression (Quarter)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted