229-5-54

LineAndShapeRenderer r1 = new LineAndShapeRenderer(); LineAndShapeRenderer r2 = null; try { r2 = (LineAndShapeRenderer) r1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(r1 != r2); assertTrue(r1.getClass() == r2.getClass()); assertTrue(r1.equals(r2)); assertTrue(checkIndependence(r1, r2));
ShortTextTitle t1 = new ShortTextTitle("ABC"); ShortTextTitle t2 = null; try { t2 = (ShortTextTitle) 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/LineAndShapeRendererTests.java |  | File path: /jfreechart-1.0.10/tests/org/jfree/chart/title/junit/ShortTextTitleTests.java
Method name: `void testCloning()` |  | Method name: `void testCloning()`
Number of AST nodes: 8 |  | Number of AST nodes: 7

1

    LineAndShapeRenderer r1 = new LineAndShapeRenderer();↵

2

            LineAndShapeRenderer r↵

1

    ShortTextTitle t1 = new ShortTextTitle("ABC");↵

3

    2 = null;↵

2

            ShortTextTitle t2 = null;↵

4

            try {↵

3

            try {↵

5

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

4

                t2 = (ShortTextTitle) 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(↵

13

            assertTrue(checkIndependence(r1, r2));

12

    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 | 4
   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) | 2.8
   Clone type | Type 3

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

   1

       ShortTextTitle t1 = new ShortTextTitle("ABC");

   1

       LineAndShapeRenderer r1 = new LineAndShapeRenderer();

   2

       ShortTextTitle t2 = null;

   2

       LineAndShapeRenderer r2 = null;

   3

       try

   3

       try

   4 | t2 = (ShortTextTitle)t1.clone();

   Preondition Violations
   Unmatched statement t2=(ShortTextTitle)t1.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

       t2 = (ShortTextTitle)t1.clone();

   4

       r2 = (LineAndShapeRenderer)r1.clone();

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

   Preondition Violations
   Unmatched statement r2=(LineAndShapeRenderer)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(r1 != r2);

   6

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

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

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   r1.getClass() == r2.getClass() | t1.equals(t2) | TYPE_COMPATIBLE_REPLACEMENT

   7

       assertTrue(t1.equals(t2));

   7

       assertTrue(r1.equals(r2));

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

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   r1.equals(r2) | t1.getClass() == t2.getClass() | TYPE_COMPATIBLE_REPLACEMENT

   6

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

   8

       assertTrue(checkIndependence(r1, r2));

   8 | assertTrue(checkIndependence(r1, r2));
   5 | assertTrue(t1 != t2);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   checkIndependence(r1,r2) | t1 != t2 | TYPE_COMPATIBLE_REPLACEMENT

   Preondition Violations

   Expression checkIndependence(r1,r2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
   - Inline private method checkIndependence

   5

       assertTrue(t1 != t2);

   Precondition Violations (3)
   Row | Violation
   --- | ---
   1 | Unmatched statement t2=(ShortTextTitle)t1.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=(LineAndShapeRenderer)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
   3 | Expression checkIndependence(r1,r2) cannot be parameterized, because it has dependencies to/from statements that will be extracted