408-5-8

EmptyBlock b1 = new EmptyBlock(1.0, 2.0); EmptyBlock b2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(b1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); b2 = (EmptyBlock) in.readObject(); in.close(); } catch (Exception e) { fail(e.toString()); } assertEquals(b1, b2);
DefaultKeyedValueDataset d1 = new DefaultKeyedValueDataset("Test", new Double(25.3)); DefaultKeyedValueDataset 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 = (DefaultKeyedValueDataset) in.readObject(); in.close(); } catch (Exception e) { System.out.println(e.toString()); } assertEquals(d1, d2);

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

1

    EmptyBlock b1 = new EmptyBlock(1.0, 2.0);↵

2

            EmptyBlock b↵

1

    DefaultKeyedValueDataset d1  ↵

2

                = new DefaultKeyedValueDataset("Test", new Double(25.3));↵

3

    2 = null;↵

3

            DefaultKeyedValueDataset d2 = null;↵

4

            try {↵

4

            try {↵

5

                ByteArrayOutputStream buffer = new ByteArrayOutputStream();↵

5

                ByteArrayOutputStream buffer = new ByteArrayOutputStream();↵

6

                ObjectOutput out = new ObjectOutputStream(buffer);↵

6

                ObjectOutput out = new ObjectOutputStream(buffer);↵

7

                out.writeObject(b1);↵

7

                out.writeObject(d1);↵

8

                out.close();↵

8

                out.close();↵

9

                ObjectInput in = new ObjectInputStream(↵

9

                ObjectInput in = new ObjectInputStream(↵

10

                        new ByteArrayInputStream(buffer.toByteArray())↵

10

                    new ByteArrayInputStream(buffer.toByteArray())↵

11

    );↵

11

                );↵

12

                b2 = (EmptyBlock) in.readObject();↵

12

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

13

                in.close();↵

13

                in.close();↵

14

            }↵

14

            }↵

15

            catch (Exception e) {↵

15

            catch (Exception e) {↵

16

                fail(e.toString());↵

16

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

17

            }↵

17

            }↵

18

            assertEquals(b1, b2);

18

            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 | 73

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 | 3
   Time elapsed for statement mapping (ms) | 1.8
   Clone type | Type 2

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

   1

       DefaultKeyedValueDataset d1 = new DefaultKeyedValueDataset("Test", new Double(25.3));

   1

       EmptyBlock b1 = new EmptyBlock(1.0, 2.0);

   2

       DefaultKeyedValueDataset d2 = null;

   2

       EmptyBlock b2 = null;

   3

       try

   3 | try
   3 | try

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   fail | println | METHOD_INVOCATION_NAME_MISMATCH
   | System.out | MISSING_METHOD_INVOCATION_EXPRESSION

   Preondition Violations
   Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
   Expression System.out.println(e.toString()) is a void method call, and thus it cannot be parameterized
   Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
   Expression System.out.println(e.toString()) is a void method call, and thus it cannot be parameterized

   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(b1);

   6 | out.writeObject(b1);
   6 | out.writeObject(d1);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   b1 | d1 | VARIABLE_NAME_MISMATCH
   org.jfree.chart.block.EmptyBlock | org.jfree.data.general.DefaultKeyedValueDataset | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type org.jfree.chart.block.EmptyBlock of variable b1 does not match with type org.jfree.data.general.DefaultKeyedValueDataset of variable d1
   - Make classes org.jfree.chart.block.EmptyBlock and org.jfree.data.general.DefaultKeyedValueDataset 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 = (DefaultKeyedValueDataset)in.readObject();

   Preondition Violations
   Unmatched statement d2=(DefaultKeyedValueDataset)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=(DefaultKeyedValueDataset)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 = (DefaultKeyedValueDataset)in.readObject();

   9

       b2 = (EmptyBlock)in.readObject();

   9 | b2 = (EmptyBlock)in.readObject();

   Preondition Violations
   Unmatched statement b2=(EmptyBlock)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
   Unmatched statement b2=(EmptyBlock)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(b1, b2);

   11 | assertEquals(b1, b2);
   11 | assertEquals(d1, d2);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   b1 | d1 | VARIABLE_NAME_MISMATCH
   org.jfree.chart.block.EmptyBlock | org.jfree.data.general.DefaultKeyedValueDataset | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type org.jfree.chart.block.EmptyBlock of variable b1 does not match with type org.jfree.data.general.DefaultKeyedValueDataset of variable d1
   - Make classes org.jfree.chart.block.EmptyBlock and org.jfree.data.general.DefaultKeyedValueDataset extend a common superclass

   11

       assertEquals(d1, d2);

   Precondition Violations (10)
   Row | Violation
   --- | ---
   1 | Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
   2 | Expression System.out.println(e.toString()) is a void method call, and thus it cannot be parameterized
   3 | Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
   4 | Expression System.out.println(e.toString()) is a void method call, and thus it cannot be parameterized
   5 | Type org.jfree.chart.block.EmptyBlock of variable b1 does not match with type org.jfree.data.general.DefaultKeyedValueDataset of variable d1
   6 | Unmatched statement d2=(DefaultKeyedValueDataset)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
   7 | Unmatched statement d2=(DefaultKeyedValueDataset)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
   8 | Unmatched statement b2=(EmptyBlock)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
   9 | Unmatched statement b2=(EmptyBlock)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 | Type org.jfree.chart.block.EmptyBlock of variable b1 does not match with type org.jfree.data.general.DefaultKeyedValueDataset of variable d1