112-71-72

Hour h1 = new Hour(); Hour h2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(h1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray()) ); h2 = (Hour) in.readObject(); in.close(); } catch (Exception e) { System.out.println(e.toString()); } assertEquals(h1, h2);
Second s1 = new Second(); Second s2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(s1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray()) ); s2 = (Second) in.readObject(); in.close(); } catch (Exception e) { System.out.println(e.toString()); } assertEquals(s1, s2);

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

1

    Hour h1 = new Hour();↵

1

    Second s1 = new Second();↵

2

            Hour h2 = null;↵

2

            Second s2 = 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(h1);↵

6

                out.writeObject(s1);↵

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

                h2 = (Hour) in.readObject();↵

11

                s2 = (Second) 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(h1, h2);

17

            assertEquals(s1, s2);

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

       Hour h1 = new Hour();

   1 | Hour h1 = new Hour();
   1 | Second s1 = new Second();

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.data.time.Hour | org.jfree.data.time.Second | SUBCLASS_TYPE_MISMATCH
   h1 | s1 | VARIABLE_NAME_MISMATCH
   org.jfree.data.time.Hour | org.jfree.data.time.Second | SUBCLASS_TYPE_MISMATCH
   org.jfree.data.time.Hour | org.jfree.data.time.Second | SUBCLASS_TYPE_MISMATCH

   1

       Second s1 = new Second();

   2

       Hour h2 = null;

   2 | Hour h2 = null;
   2 | Second s2 = null;

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.data.time.Hour | org.jfree.data.time.Second | SUBCLASS_TYPE_MISMATCH
   h2 | s2 | VARIABLE_NAME_MISMATCH
   org.jfree.data.time.Hour | org.jfree.data.time.Second | SUBCLASS_TYPE_MISMATCH

   2

       Second s2 = 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(h1);

   6 | out.writeObject(h1);
   6 | out.writeObject(s1);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   h1 | s1 | VARIABLE_NAME_MISMATCH
   org.jfree.data.time.Hour | org.jfree.data.time.Second | SUBCLASS_TYPE_MISMATCH

   6

       out.writeObject(s1);

   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

       h2 = (Hour)in.readObject();

   9 | h2 = (Hour)in.readObject();
   9 | s2 = (Second)in.readObject();

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   h2 | s2 | VARIABLE_NAME_MISMATCH
   org.jfree.data.time.Hour | org.jfree.data.time.Second | SUBCLASS_TYPE_MISMATCH
   org.jfree.data.time.Hour | org.jfree.data.time.Second | SUBCLASS_TYPE_MISMATCH

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

   9

       s2 = (Second)in.readObject();

   10

       in.close();

   10

       in.close();

   11

       assertEquals(h1, h2);

   11 | assertEquals(h1, h2);
   11 | assertEquals(s1, s2);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   h1 | s1 | VARIABLE_NAME_MISMATCH
   org.jfree.data.time.Hour | org.jfree.data.time.Second | SUBCLASS_TYPE_MISMATCH
   h2 | s2 | VARIABLE_NAME_MISMATCH
   org.jfree.data.time.Hour | org.jfree.data.time.Second | SUBCLASS_TYPE_MISMATCH

   11

       assertEquals(s1, s2);

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