142-35-48

Task t1 = new Task("T", new Date(1), new Date(2)); Task 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 = (Task) in.readObject(); in.close(); } catch (Exception e) { System.out.println(e.toString()); } assertEquals(t1, t2);
RangeType r1 = RangeType.FULL; RangeType r2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(r1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray()) ); r2 = (RangeType) in.readObject(); in.close(); } catch (Exception e) { System.out.println(e.toString()); } assertEquals(r1, r2); boolean same = r1 == r2; assertEquals(true, same);

Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/data/gantt/junit/TaskTests.java |  | File path: /jfreechart-1.0.10/tests/org/jfree/data/junit/RangeTypeTests.java
Method name: `void testSerialization()` |  | Method name: `void testSerialization()`
Number of AST nodes: 11 |  | Number of AST nodes: 13

1

    Task t1 = new Task("T", new Date(1), new Date(2));↵

2

            Task t↵

1

    RangeType r1 = RangeType.FULL;↵

3

    2 = null;↵

2

            RangeType r2 = 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(t1);↵

6

                out.writeObject(r1);↵

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

                t2 = (Task) in.readObject();↵

11

                r2 = (RangeType) in.readObject();↵

13

                in.close();↵

12

                in.close();↵

14

            }↵

13

            }↵

15

            catch (Exception e) {↵

14

            catch (Exception e) {↵

16

                System.out.println(e.toString());↵

15

                System.out.println(e.toString());↵

17

            }↵

16

            }↵

18

            assertEquals(t1, t2↵

17

            assertEquals(r1, r2);↵

18

            boolean same = r1 == r2;↵

19

    );

19

            assertEquals(true, same);

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 | 79

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 8
   Number of unmapped statements in the first code fragment | 3
   Number of unmapped statements in the second code fragment | 5
   Time elapsed for statement mapping (ms) | 1.5
   Clone type | Type 3

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

   1

       RangeType r1 = RangeType.FULL;

   1

       Task t1 = new Task("T", new Date(1), new Date(2));

   2

       RangeType r2 = null;

   2

       Task t2 = 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(t1);

   6 | out.writeObject(t1);
   6 | out.writeObject(r1);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   t1 | r1 | VARIABLE_NAME_MISMATCH
   org.jfree.data.gantt.Task | org.jfree.data.RangeType | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type org.jfree.data.gantt.Task of variable t1 does not match with type org.jfree.data.RangeType of variable r1
   - Make classes org.jfree.data.gantt.Task and org.jfree.data.RangeType extend a common superclass

   6

       out.writeObject(r1);

   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 | r2 = (RangeType)in.readObject();

   Preondition Violations
   Unmatched statement r2=(RangeType)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
   Unmatched statement r2=(RangeType)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

       r2 = (RangeType)in.readObject();

   9

       t2 = (Task)in.readObject();

   9 | t2 = (Task)in.readObject();

   Preondition Violations
   Unmatched statement t2=(Task)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=(Task)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(t1, t2);

   11 | assertEquals(t1, t2);
   11 | assertEquals(r1, r2);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   t1 | r1 | VARIABLE_NAME_MISMATCH
   org.jfree.data.gantt.Task | org.jfree.data.RangeType | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type org.jfree.data.gantt.Task of variable t1 does not match with type org.jfree.data.RangeType of variable r1
   - Make classes org.jfree.data.gantt.Task and org.jfree.data.RangeType extend a common superclass

   11

       assertEquals(r1, r2);

   12

       boolean same = r1 == r2;

   13

       assertEquals(true, same);

   Precondition Violations (6)
   Row | Violation
   --- | ---
   1 | Type org.jfree.data.gantt.Task of variable t1 does not match with type org.jfree.data.RangeType of variable r1
   2 | Unmatched statement r2=(RangeType)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
   3 | Unmatched statement r2=(RangeType)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
   4 | Unmatched statement t2=(Task)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
   5 | Unmatched statement t2=(Task)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
   6 | Type org.jfree.data.gantt.Task of variable t1 does not match with type org.jfree.data.RangeType of variable r1