229-6-11

LineRenderer3D r1 = new LineRenderer3D(); LineRenderer3D r2 = null; try { r2 = (LineRenderer3D) r1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(r1 != r2); assertTrue(r1.getClass() == r2.getClass()); assertTrue(r1.equals(r2)); assertTrue(checkIndependence(r1, r2));
StandardXYToolTipGenerator g1 = new StandardXYToolTipGenerator(); StandardXYToolTipGenerator g2 = null; try { g2 = (StandardXYToolTipGenerator) g1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(g1 != g2); assertTrue(g1.getClass() == g2.getClass()); assertTrue(g1.equals(g2));

Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/renderer/category/junit/LineRenderer3DTests.java |  | File path: /jfreechart-1.0.10/tests/org/jfree/chart/labels/junit/StandardXYToolTipGeneratorTests.java
Method name: `void testCloning()` |  | Method name: `void testCloning()`
Number of AST nodes: 8 |  | Number of AST nodes: 7

1

    LineRenderer3D r1 = new LineRenderer3D();↵

1

    StandardXYToolTipGenerator g1 = new StandardXYToolTipGenerator();↵

2

            LineRenderer3D r2 = null;↵

2

            StandardXYToolTipGenerator g2 = null;↵

3

            try {↵

3

            try {↵

4

                r2 = (LineRenderer3D) r1.clone();↵

4

                g2 = (StandardXYToolTipGenerator) g1.clone();↵

5

            }↵

5

            }↵

6

            catch (CloneNotSupportedException e) {↵

6

            catch (CloneNotSupportedException e) {↵

7

                e.printStackTrace();↵

7

                e.printStackTrace();↵

8

            }↵

8

            }↵

9

            assertTrue(r1 != r2);↵

9

            assertTrue(g1 != g2);↵

10

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

10

            assertTrue(g1.getClass() == g2.getClass());↵

11

            assertTrue(r1.equals(r2));↵

11

            assertTrue(g1.equals(↵

12

            assertTrue(checkIndependence(r1, r2));

12

    g2));

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) | 81.2
   Clone type | Type 3

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

   1

       StandardXYToolTipGenerator g1 = new StandardXYToolTipGenerator();

   1

       LineRenderer3D r1 = new LineRenderer3D();

   2

       StandardXYToolTipGenerator g2 = null;

   2

       LineRenderer3D r2 = null;

   3

       try

   3

       try

   4 | g2 = (StandardXYToolTipGenerator)g1.clone();

   Preondition Violations
   Unmatched statement g2=(StandardXYToolTipGenerator)g1.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

       g2 = (StandardXYToolTipGenerator)g1.clone();

   4

       r2 = (LineRenderer3D)r1.clone();

   4 | r2 = (LineRenderer3D)r1.clone();

   Preondition Violations
   Unmatched statement r2=(LineRenderer3D)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(g1.equals(g2));

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   r1.getClass() == r2.getClass() | g1.equals(g2) | TYPE_COMPATIBLE_REPLACEMENT

   7

       assertTrue(g1.equals(g2));

   7

       assertTrue(r1.equals(r2));

   7 | assertTrue(r1.equals(r2));
   6 | assertTrue(g1.getClass() == g2.getClass());

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   r1.equals(r2) | g1.getClass() == g2.getClass() | TYPE_COMPATIBLE_REPLACEMENT

   6

       assertTrue(g1.getClass() == g2.getClass());

   8

       assertTrue(checkIndependence(r1, r2));

   8 | assertTrue(checkIndependence(r1, r2));
   5 | assertTrue(g1 != g2);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   checkIndependence(r1,r2) | g1 != g2 | 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(g1 != g2);

   Precondition Violations (3)
   Row | Violation
   --- | ---
   1 | Unmatched statement g2=(StandardXYToolTipGenerator)g1.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=(LineRenderer3D)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