112-52-80

PeriodAxis a1 = new PeriodAxis("Test Axis"); PeriodAxis a2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(a1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); a2 = (PeriodAxis) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } boolean b = a1.equals(a2); assertTrue(b);
SimpleHistogramDataset d1 = new SimpleHistogramDataset("D1"); SimpleHistogramDataset 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 = (SimpleHistogramDataset) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(d1, d2);

Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/axis/junit/PeriodAxisTests.java |  | File path: /jfreechart-1.0.10/tests/org/jfree/data/statistics/junit/SimpleHistogramDatasetTests.java
Method name: `void testSerialization()` |  | Method name: `void testSerialization()`
Number of AST nodes: 12 |  | Number of AST nodes: 11

1

    PeriodAxis a1 = new PeriodAxis("Test Axis");↵

2

            PeriodAxis a↵

1

    SimpleHistogramDataset d1 = new SimpleHistogramDataset("D1");↵

3

    2 = null;↵

2

            SimpleHistogramDataset d2 = 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(a1);↵

6

                out.writeObject(d1);↵

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

                a2 = (PeriodAxis) in.readObject();↵

10

                d2 = (SimpleHistogramDataset) in.readObject();↵

12

                in.close();↵

11

                in.close();↵

13

            }↵

12

            }↵

14

            catch (Exception e) {↵

13

            catch (Exception e) {↵

15

                e.printStackTrace();↵

14

                e.printStackTrace();↵

16

            }↵

15

            }↵

17

            boolean b = a1.equals(a2);↵

16

            ↵

18

            assertTrue(b);

17

    assertEquals(d1, d2);

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) | 0.1
Clones location | Clones are in different classes having the same super class
Number of node comparisons | 76

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 8
   Number of unmapped statements in the first code fragment | 4
   Number of unmapped statements in the second code fragment | 3
   Time elapsed for statement mapping (ms) | 2.0
   Clone type | Type 3

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

   1

       SimpleHistogramDataset d1 = new SimpleHistogramDataset("D1");

   1

       PeriodAxis a1 = new PeriodAxis("Test Axis");

   2

       SimpleHistogramDataset d2 = null;

   2

       PeriodAxis a2 = 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(a1);

   6 | out.writeObject(a1);
   6 | out.writeObject(d1);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   a1 | d1 | VARIABLE_NAME_MISMATCH
   org.jfree.chart.axis.PeriodAxis | org.jfree.data.statistics.SimpleHistogramDataset | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type org.jfree.chart.axis.PeriodAxis of variable a1 does not match with type org.jfree.data.statistics.SimpleHistogramDataset of variable d1
   - Make classes org.jfree.chart.axis.PeriodAxis and org.jfree.data.statistics.SimpleHistogramDataset extend a common superclass

   6

       out.writeObject(d1);

   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 = (SimpleHistogramDataset)in.readObject();

   Preondition Violations
   Unmatched statement d2=(SimpleHistogramDataset)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
   Unmatched statement d2=(SimpleHistogramDataset)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

       d2 = (SimpleHistogramDataset)in.readObject();

   9

       a2 = (PeriodAxis)in.readObject();

   9 | a2 = (PeriodAxis)in.readObject();

   Preondition Violations
   Unmatched statement a2=(PeriodAxis)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
   Unmatched statement a2=(PeriodAxis)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

       boolean b = a1.equals(a2);

   12

       assertTrue(b);

   12 | assertTrue(b);
   11 | assertEquals(d1, d2);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   assertTrue | assertEquals | METHOD_INVOCATION_NAME_MISMATCH
   assertTrue(b) | assertEquals(d1,d2) | ARGUMENT_NUMBER_MISMATCH

   Preondition Violations
   Expression assertTrue(b) is a void method call, and thus it cannot be parameterized
   Expression assertEquals(d1,d2) is a void method call, and thus it cannot be parameterized
   Expression assertTrue(b) is a void method call, and thus it cannot be parameterized
   Expression assertEquals(d1,d2) is a void method call, and thus it cannot be parameterized

   11

       assertEquals(d1, d2);

   Precondition Violations (9)
   Row | Violation
   --- | ---
   1 | Type org.jfree.chart.axis.PeriodAxis of variable a1 does not match with type org.jfree.data.statistics.SimpleHistogramDataset of variable d1
   2 | Unmatched statement d2=(SimpleHistogramDataset)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 d2=(SimpleHistogramDataset)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 a2=(PeriodAxis)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 a2=(PeriodAxis)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 | Expression assertTrue(b) is a void method call, and thus it cannot be parameterized
   7 | Expression assertEquals(d1,d2) is a void method call, and thus it cannot be parameterized
   8 | Expression assertTrue(b) is a void method call, and thus it cannot be parameterized
   9 | Expression assertEquals(d1,d2) is a void method call, and thus it cannot be parameterized