345-1-2

BarRenderer r1 = new BarRenderer(); BarRenderer 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 = (BarRenderer) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(r1, r2); try { r2.notifyListeners(new RendererChangeEvent(r2)); } catch (NullPointerException e) { assertTrue(false); // failed }
StackedXYAreaRenderer r1 = new StackedXYAreaRenderer(); r1.setShapePaint(Color.red); r1.setShapeStroke(new BasicStroke(1.23f)); StackedXYAreaRenderer 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 = (StackedXYAreaRenderer) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(r1, r2);

Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/renderer/junit/AbstractRendererTests.java |  | File path: /jfreechart-1.0.10/tests/org/jfree/chart/renderer/xy/junit/StackedXYAreaRendererTests.java
Method name: `void testSerialization()` |  | Method name: `void testSerialization()`
Number of AST nodes: 13 |  | Number of AST nodes: 13

1

    BarRenderer r1 = new BarRenderer();  ↵

1

    StackedXYAreaRenderer r1 = new ↵

2

            Bar↵

2

    StackedXYAreaRenderer();↵

3

            r1.setShapePaint(Color.red);↵

4

            r1.setShapeStroke(new BasicStroke(1.23f));↵

3

    Renderer r2 = null;↵

5

            StackedXYAreaRenderer r2 = null;↵

4

            try {↵

6

            try {↵

5

                ByteArrayOutputStream buffer = new ByteArrayOutputStream();↵

7

                ByteArrayOutputStream buffer = new ByteArrayOutputStream();↵

6

                ObjectOutput out = new ObjectOutputStream(buffer);↵

8

                ObjectOutput out = new ObjectOutputStream(buffer);↵

7

                out.writeObject(r1);↵

9

                out.writeObject(r1);↵

8

                out.close();↵

10

                out.close();↵

9

                ObjectInput in = new ObjectInputStream(↵

11

                ObjectInput in = new ObjectInputStream(↵

10

                        new ByteArrayInputStream(buffer.toByteArray()));↵

12

                        new ByteArrayInputStream(buffer.toByteArray()));↵

11

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

13

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

12

                in.close();↵

14

                in.close();↵

13

            }↵

15

            }↵

14

            catch (Exception e) {↵

16

            catch (Exception e) {↵

15

                e.printStackTrace();↵

17

                e.printStackTrace();↵

16

            }↵

18

            }↵

17

            assertEquals(r1, r2);↵

19

            assertEquals(r1, r2);

18

            try {↵

19

                r2.notifyListeners(new RendererChangeEvent(r2));↵

20

            }↵

21

            catch (NullPointerException e) {↵

22

                assertTrue(false);  // failed   ↵

23

            }

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 | 76

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 | 2
   Time elapsed for statement mapping (ms) | 2.9
   Clone type | Type 3

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

   1

       BarRenderer r1 = new BarRenderer();

   1 | BarRenderer r1 = new BarRenderer();
   1 | StackedXYAreaRenderer r1 = new StackedXYAreaRenderer();

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.chart.renderer.category.BarRenderer | org.jfree.chart.renderer.xy.StackedXYAreaRenderer | SUBCLASS_TYPE_MISMATCH
   org.jfree.chart.renderer.category.BarRenderer | org.jfree.chart.renderer.xy.StackedXYAreaRenderer | SUBCLASS_TYPE_MISMATCH
   org.jfree.chart.renderer.category.BarRenderer | org.jfree.chart.renderer.xy.StackedXYAreaRenderer | SUBCLASS_TYPE_MISMATCH

   1

       StackedXYAreaRenderer r1 = new StackedXYAreaRenderer();

   2

       r1.setShapePaint(Color.red);

   3

       r1.setShapeStroke(new BasicStroke(1.23f));

   2

       BarRenderer r2 = null;

   2 | BarRenderer r2 = null;
   4 | StackedXYAreaRenderer r2 = null;

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.chart.renderer.category.BarRenderer | org.jfree.chart.renderer.xy.StackedXYAreaRenderer | SUBCLASS_TYPE_MISMATCH
   org.jfree.chart.renderer.category.BarRenderer | org.jfree.chart.renderer.xy.StackedXYAreaRenderer | SUBCLASS_TYPE_MISMATCH

   4

       StackedXYAreaRenderer r2 = null;

   3

       try

   5

       try

   4

       ByteArrayOutputStream buffer = new ByteArrayOutputStream();

   6

       ByteArrayOutputStream buffer = new ByteArrayOutputStream();

   5

       ObjectOutput out = new ObjectOutputStream(buffer);

   7

       ObjectOutput out = new ObjectOutputStream(buffer);

   6

       out.writeObject(r1);

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

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.chart.renderer.category.BarRenderer | org.jfree.chart.renderer.xy.StackedXYAreaRenderer | SUBCLASS_TYPE_MISMATCH

   8

       out.writeObject(r1);

   7

       out.close();

   9

       out.close();

   8

       ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));

   10

       ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));

   9

       r2 = (BarRenderer)in.readObject();

   9 | r2 = (BarRenderer)in.readObject();
   11 | r2 = (StackedXYAreaRenderer)in.readObject();

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.chart.renderer.category.BarRenderer | org.jfree.chart.renderer.xy.StackedXYAreaRenderer | SUBCLASS_TYPE_MISMATCH
   org.jfree.chart.renderer.category.BarRenderer | org.jfree.chart.renderer.xy.StackedXYAreaRenderer | SUBCLASS_TYPE_MISMATCH

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

   11

       r2 = (StackedXYAreaRenderer)in.readObject();

   10

       in.close();

   12

       in.close();

   11

       assertEquals(r1, r2);

   11 | assertEquals(r1, r2);
   13 | assertEquals(r1, r2);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.jfree.chart.renderer.category.BarRenderer | org.jfree.chart.renderer.xy.StackedXYAreaRenderer | SUBCLASS_TYPE_MISMATCH
   org.jfree.chart.renderer.category.BarRenderer | org.jfree.chart.renderer.xy.StackedXYAreaRenderer | SUBCLASS_TYPE_MISMATCH

   13

       assertEquals(r1, r2);

   Precondition Violations (3)
   Row | Violation
   --- | ---
   1 | Expression (BarRenderer)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
   2 | Expression (StackedXYAreaRenderer)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
   3 | Clone fragment #1 returns variable r2 with type org.jfree.chart.renderer.category.BarRenderer , while Clone fragment #2 returns variable r1 with type org.jfree.chart.renderer.xy.StackedXYAreaRenderer