229-47-51

AreaRenderer r1 = new AreaRenderer(); AreaRenderer r2 = null; try { r2 = (AreaRenderer) r1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(r1 != r2); assertTrue(r1.getClass() == r2.getClass()); assertTrue(r1.equals(r2));
KeyedObject ko1 = new KeyedObject("Test", "Object"); KeyedObject ko2 = null; try { ko2 = (KeyedObject) ko1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(ko1 != ko2); assertTrue(ko1.getClass() == ko2.getClass()); assertTrue(ko1.equals(ko2));

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

1

    AreaRenderer r1 = new AreaRenderer();↵

2

            AreaRenderer r↵

1

    KeyedObject ko1 = new KeyedObject("Test", "Object");↵

3

    2 = null;↵

2

            KeyedObject ko2 = null;↵

4

            try {↵

3

            try {↵

5

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

4

                ko2 = (KeyedObject) ko1.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(ko1 != ko2);↵

11

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

10

            assertTrue(ko1.getClass() == ko2.getClass());↵

12

            assertTrue(r1.equals(r2));

11

            assertTrue(ko1.equals(ko2));

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 | 29

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 3
   Number of unmapped statements in the first code fragment | 4
   Number of unmapped statements in the second code fragment | 4
   Time elapsed for statement mapping (ms) | 50.4
   Clone type | Type 2

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

   1

       KeyedObject ko1 = new KeyedObject("Test", "Object");

   1

       AreaRenderer r1 = new AreaRenderer();

   2

       KeyedObject ko2 = null;

   2

       AreaRenderer r2 = null;

   3

       try

   3

       try

   4 | ko2 = (KeyedObject)ko1.clone();

   Preondition Violations
   Unmatched statement ko2=(KeyedObject)ko1.clone(); 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

       ko2 = (KeyedObject)ko1.clone();

   4

       r2 = (AreaRenderer)r1.clone();

   4 | r2 = (AreaRenderer)r1.clone();

   Preondition Violations
   Unmatched statement r2=(AreaRenderer)r1.clone(); 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

   5

       assertTrue(ko1 != ko2);

   5

       assertTrue(r1 != r2);

   5 | assertTrue(r1 != r2);
   7 | assertTrue(ko1.equals(ko2));

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   r1 != r2 | ko1.equals(ko2) | TYPE_COMPATIBLE_REPLACEMENT

   7

       assertTrue(ko1.equals(ko2));

   6

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

   7

       assertTrue(r1.equals(r2));

   7 | assertTrue(r1.equals(r2));
   6 | assertTrue(ko1.getClass() == ko2.getClass());

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   r1.equals(r2) | ko1.getClass() == ko2.getClass() | TYPE_COMPATIBLE_REPLACEMENT

   6

       assertTrue(ko1.getClass() == ko2.getClass());

   Precondition Violations (2)
   Row | Violation
   --- | ---
   1 | Unmatched statement ko2=(KeyedObject)ko1.clone(); 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
   2 | Unmatched statement r2=(AreaRenderer)r1.clone(); 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