269-3-8

XYBoxAndWhiskerRenderer r1 = new XYBoxAndWhiskerRenderer(); XYBoxAndWhiskerRenderer r2 = null; try { r2 = (XYBoxAndWhiskerRenderer) r1.clone(); } catch (CloneNotSupportedException e) { System.err.println("Failed to clone."); } assertTrue(r1 != r2); assertTrue(r1.getClass() == r2.getClass()); assertTrue(r1.equals(r2));
AxisSpace s1 = new AxisSpace(); AxisSpace s2 = null; try { s2 = (AxisSpace) s1.clone(); } catch (CloneNotSupportedException e) { System.err.println("Failed to clone."); } assertTrue(s1 != s2); assertTrue(s1.getClass() == s2.getClass()); assertTrue(s1.equals(s2));

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

1

    XYBoxAndWhiskerRenderer r1 = new XYBoxAndWhiskerRenderer();↵

2

            XYBoxAndWhiskerRenderer r↵

1

    AxisSpace s1 = new AxisSpace();↵

3

    2 = null;↵

2

            AxisSpace s2 = null;↵

4

            try {↵

3

            try {↵

5

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

4

                s2 = (AxisSpace) s1.clone();↵

6

            }↵

5

            }↵

7

            catch (CloneNotSupportedException e) {↵

6

            catch (CloneNotSupportedException e) {↵

8

                System.err.println("Failed to clone.");↵

7

                System.err.println("Failed to clone.");↵

9

            }↵

8

            }↵

10

            assertTrue(r1 != r2);↵

9

            assertTrue(s1 != s2);↵

11

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

10

            assertTrue(s1.getClass() == s2.getClass());↵

12

            assertTrue(r1.equals(r2));

11

            assertTrue(s1.equals(s2));

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 | 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) | 5.6
   Clone type | Type 2

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

   1

       AxisSpace s1 = new AxisSpace();

   1

       XYBoxAndWhiskerRenderer r1 = new XYBoxAndWhiskerRenderer();

   2

       AxisSpace s2 = null;

   2

       XYBoxAndWhiskerRenderer r2 = null;

   3

       try

   3

       try

   4 | s2 = (AxisSpace)s1.clone();

   Preondition Violations
   Unmatched statement s2=(AxisSpace)s1.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

       s2 = (AxisSpace)s1.clone();

   4

       r2 = (XYBoxAndWhiskerRenderer)r1.clone();

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

   Preondition Violations
   Unmatched statement r2=(XYBoxAndWhiskerRenderer)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(s1 != s2);

   5

       assertTrue(r1 != r2);

   5 | assertTrue(r1 != r2);
   7 | assertTrue(s1.equals(s2));

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   r1 != r2 | s1.equals(s2) | TYPE_COMPATIBLE_REPLACEMENT

   7

       assertTrue(s1.equals(s2));

   6

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

   7

       assertTrue(r1.equals(r2));

   7 | assertTrue(r1.equals(r2));
   6 | assertTrue(s1.getClass() == s2.getClass());

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   r1.equals(r2) | s1.getClass() == s2.getClass() | TYPE_COMPATIBLE_REPLACEMENT

   6

       assertTrue(s1.getClass() == s2.getClass());

   Precondition Violations (2)
   Row | Violation
   --- | ---
   1 | Unmatched statement s2=(AxisSpace)s1.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=(XYBoxAndWhiskerRenderer)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