247-1-7

BarRenderer r1 = new BarRenderer(); r1.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator()); BarRenderer r2 = null; try { r2 = (BarRenderer) r1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(r1 != r2); assertTrue(r1.getClass() == r2.getClass()); assertTrue(r1.equals(r2));
TickUnits t1 = (TickUnits) NumberAxis.createIntegerTickUnits(); TickUnits t2 = null; try { t2 = (TickUnits) t1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(t1 != t2); assertTrue(t1.getClass() == t2.getClass()); assertTrue(t1.equals(t2));

Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/renderer/category/junit/BarRendererTests.java |  | File path: /jfreechart-1.0.10/tests/org/jfree/chart/axis/junit/TickUnitsTests.java
Method name: `void testCloning()` |  | Method name: `void testCloning()`
Number of AST nodes: 8 |  | Number of AST nodes: 7

1

    BarRenderer r1 = new BarRenderer();↵

2

            r1.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());↵

1

    TickUnits t1 = (TickUnits) NumberAxis.createIntegerTickUnits();↵

3

            BarRenderer r2 = null;↵

2

            TickUnits t2 = null;↵

4

            try {↵

3

            try {↵

5

                r2 = (BarRenderer) r1.clone();↵

4

                t2 = (TickUnits) t1.clone();↵

6

            }↵

5

            }↵

7

            catch (CloneNotSupportedException e) {↵

6

            catch (CloneNotSupportedException e) {↵

8

                e.printStackTrace();↵

7

                e.printStackTrace();↵

9

            }↵

8

            }↵

10

            assertTrue(r1 != r2);↵

9

            assertTrue(t1 != t2);↵

11

            assertTrue(r1.getClass() == r2.getClass());↵

10

            assertTrue(t1.getClass() == t2.getClass());↵

12

            assertTrue(r1.equals(r2));

11

            assertTrue(t1.equals(t2));

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 | 34

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 7
   Number of unmapped statements in the first code fragment | 1
   Number of unmapped statements in the second code fragment | 0
   Time elapsed for statement mapping (ms) | 1.6
   Clone type | Type 3

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

   1

       BarRenderer r1 = new BarRenderer();

   1 | BarRenderer r1 = new BarRenderer();
   1 | TickUnits t1 = (TickUnits)NumberAxis.createIntegerTickUnits();

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   r1 | t1 | VARIABLE_NAME_MISMATCH
   new BarRenderer() | (TickUnits)NumberAxis.createIntegerTickUnits() | TYPE_COMPATIBLE_REPLACEMENT

   1

       TickUnits t1 = (TickUnits)NumberAxis.createIntegerTickUnits();

   2

       r1.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());

   2 | r1.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());

   Preondition Violations
   Unmatched statement r1.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator()); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted

   3

       BarRenderer r2 = null;

   3 | BarRenderer r2 = null;
   2 | TickUnits t2 = null;

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   r2 | t2 | VARIABLE_NAME_MISMATCH

   2

       TickUnits t2 = null;

   4

       try

   3

       try

   5

       r2 = (BarRenderer)r1.clone();

   5 | r2 = (BarRenderer)r1.clone();
   4 | t2 = (TickUnits)t1.clone();

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   r2 | t2 | VARIABLE_NAME_MISMATCH
   r1 | t1 | VARIABLE_NAME_MISMATCH

   4

       t2 = (TickUnits)t1.clone();

   6

       assertTrue(r1 != r2);

   6 | assertTrue(r1 != r2);
   5 | assertTrue(t1 != t2);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   r1 | t1 | VARIABLE_NAME_MISMATCH
   r2 | t2 | VARIABLE_NAME_MISMATCH

   5

       assertTrue(t1 != t2);

   7

       assertTrue(r1.getClass() == r2.getClass());

   7 | assertTrue(r1.getClass() == r2.getClass());
   6 | assertTrue(t1.getClass() == t2.getClass());

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   r1 | t1 | VARIABLE_NAME_MISMATCH
   r2 | t2 | VARIABLE_NAME_MISMATCH

   6

       assertTrue(t1.getClass() == t2.getClass());

   8

       assertTrue(r1.equals(r2));

   8 | assertTrue(r1.equals(r2));
   7 | assertTrue(t1.equals(t2));

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   r2 | t2 | VARIABLE_NAME_MISMATCH
   r1 | t1 | VARIABLE_NAME_MISMATCH

   7

       assertTrue(t1.equals(t2));

   Precondition Violations (2)
   Row | Violation
   --- | ---
   1 | Unmatched statement r1.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator()); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
   2 | Clone fragment #1 returns variables r1 , while Clone fragment #2 returns variables