218-8-12

ComparableObjectItem item1 = new ComparableObjectItem(new Integer(1), "XYZ"); ComparableObjectItem item2 = null; try { item2 = (ComparableObjectItem) item1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(item1 != item2); assertTrue(item1.getClass() == item2.getClass()); assertTrue(item1.equals(item2));
DefaultOHLCDataset d1 = new DefaultOHLCDataset("Series 1", new OHLCDataItem[0]); DefaultOHLCDataset d2 = null; try { d2 = (DefaultOHLCDataset) d1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(d1 != d2); assertTrue(d1.getClass() == d2.getClass()); assertTrue(d1.equals(d2));

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

1

    ComparableObjectItem item1 = new ComparableObjectItem(new Integer(1), ↵

2

                    "XYZ");↵

3

            ComparableObjectItem item↵

1

    DefaultOHLCDataset d1 = new DefaultOHLCDataset("Series 1",↵

2

                    new OHLCDataItem[0]);↵

4

    2 = null;↵

3

            DefaultOHLCDataset d2 = null;↵

5

            try {↵

4

            try {↵

6

                item2 = (ComparableObjectItem) item1.clone();↵

5

                d2 = (DefaultOHLCDataset) d1.clone();↵

7

            }↵

6

            }↵

8

            catch (CloneNotSupportedException e) {↵

7

            catch (CloneNotSupportedException e) {↵

9

                e.printStackTrace();↵

8

                e.printStackTrace();↵

10

            }↵

9

            }↵

11

            assertTrue(item1 != item2);↵

10

            assertTrue(d1 != d2);↵

12

            assertTrue(item1.getClass() == item2.getClass());↵

11

            assertTrue(d1.getClass() == d2.getClass());↵

13

            assertTrue(item1.equals(item2));

12

            assertTrue(d1.equals(d2));

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) | 6.4
   Clone type | Type 2

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

   1

       DefaultOHLCDataset d1 = new DefaultOHLCDataset("Series 1", new OHLCDataItem[0]);

   1

       ComparableObjectItem item1 = new ComparableObjectItem(new Integer(1), "XYZ");

   2

       DefaultOHLCDataset d2 = null;

   2

       ComparableObjectItem item2 = null;

   3

       try

   3

       try

   4 | d2 = (DefaultOHLCDataset)d1.clone();

   Preondition Violations
   Unmatched statement d2=(DefaultOHLCDataset)d1.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

       d2 = (DefaultOHLCDataset)d1.clone();

   4

       item2 = (ComparableObjectItem)item1.clone();

   4 | item2 = (ComparableObjectItem)item1.clone();

   Preondition Violations
   Unmatched statement item2=(ComparableObjectItem)item1.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(d1 != d2);

   5

       assertTrue(item1 != item2);

   5 | assertTrue(item1 != item2);
   7 | assertTrue(d1.equals(d2));

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   item1 != item2 | d1.equals(d2) | TYPE_COMPATIBLE_REPLACEMENT

   7

       assertTrue(d1.equals(d2));

   6

       assertTrue(item1.getClass() == item2.getClass());

   7

       assertTrue(item1.equals(item2));

   7 | assertTrue(item1.equals(item2));
   6 | assertTrue(d1.getClass() == d2.getClass());

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   item1.equals(item2) | d1.getClass() == d2.getClass() | TYPE_COMPATIBLE_REPLACEMENT

   6

       assertTrue(d1.getClass() == d2.getClass());

   Precondition Violations (2)
   Row | Violation
   --- | ---
   1 | Unmatched statement d2=(DefaultOHLCDataset)d1.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 item2=(ComparableObjectItem)item1.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