112-70-74

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);
Year y1 = new Year(1999); Year y2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(y1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray()) ); y2 = (Year) in.readObject(); in.close(); } catch (Exception e) { System.out.println(e.toString()); } assertEquals(y1, y2);

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/YearTests.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

    Year y1 = new Year(1999);↵

2

            Day d2 = null;↵

2

            Year y2 = 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(y1);↵

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

                y2 = (Year) 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(y1, y2);

See real code fragment |  | See real code fragment

Summary
Number of common nesting structure subtrees | 1
Number of refactorable cases | 0
Number of non-refactorable cases | 1
Time elapsed for finding largest common nesting structure subtrees (ms) | 0.2
Clones location | Clones are in different classes having the same super class
Number of node comparisons | 69

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 11
   Number of unmapped statements in the first code fragment | 0
   Number of unmapped statements in the second code fragment | 0
   Time elapsed for statement mapping (ms) | 2.2
   Clone type | Type 2

   Mapped Statements
   ID | Statement |  | ID | Statement
   --- | --- | --- | --- | ---

   1

       Day d1 = new Day(15, 4, 2000);

   1 | Day d1 = new Day(15, 4, 2000);
   1 | Year y1 = new Year(1999);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.data.time.Day | org.jfree.data.time.Year | SUBCLASS_TYPE_MISMATCH
   d1 | y1 | VARIABLE_NAME_MISMATCH
   org.jfree.data.time.Day | org.jfree.data.time.Year | SUBCLASS_TYPE_MISMATCH
   org.jfree.data.time.Day | org.jfree.data.time.Year | SUBCLASS_TYPE_MISMATCH
   new Day(15,4,2000) | new Year(1999) | ARGUMENT_NUMBER_MISMATCH

   1

       Year y1 = new Year(1999);

   2

       Day d2 = null;

   2 | Day d2 = null;
   2 | Year y2 = null;

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.data.time.Day | org.jfree.data.time.Year | SUBCLASS_TYPE_MISMATCH
   d2 | y2 | VARIABLE_NAME_MISMATCH
   org.jfree.data.time.Day | org.jfree.data.time.Year | SUBCLASS_TYPE_MISMATCH

   2

       Year y2 = 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(y1);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   d1 | y1 | VARIABLE_NAME_MISMATCH
   org.jfree.data.time.Day | org.jfree.data.time.Year | SUBCLASS_TYPE_MISMATCH

   6

       out.writeObject(y1);

   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 | y2 = (Year)in.readObject();

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   d2 | y2 | VARIABLE_NAME_MISMATCH
   org.jfree.data.time.Day | org.jfree.data.time.Year | SUBCLASS_TYPE_MISMATCH
   org.jfree.data.time.Day | org.jfree.data.time.Year | SUBCLASS_TYPE_MISMATCH

   Preondition Violations
   Expression (Day)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
   Expression (Year)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted

   9

       y2 = (Year)in.readObject();

   10

       in.close();

   10

       in.close();

   11

       assertEquals(d1, d2);

   11 | assertEquals(d1, d2);
   11 | assertEquals(y1, y2);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   d1 | y1 | VARIABLE_NAME_MISMATCH
   org.jfree.data.time.Day | org.jfree.data.time.Year | SUBCLASS_TYPE_MISMATCH
   d2 | y2 | VARIABLE_NAME_MISMATCH
   org.jfree.data.time.Day | org.jfree.data.time.Year | SUBCLASS_TYPE_MISMATCH

   11

       assertEquals(y1, y2);

   Precondition Violations (2)
   Row | Violation
   --- | ---
   1 | Expression (Day)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
   2 | Expression (Year)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted