TickUnits t1 = (TickUnits) NumberAxis.createIntegerTickUnits(); TickUnits t2 = null; try { t2 = (TickUnits) t1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(t1 != t2); assertTrue(t1.getClass() == t2.getClass()); assertTrue(t1.equals(t2));
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/axis/junit/TickUnitsTests.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: 7 Number of AST nodes: 7
1
TickUnits t1 = (TickUnits) NumberAxis.createIntegerTickUnits();
2
        TickUnits
1
ShortTextTitle t1 = new ShortTextTitle("ABC");
3
 t2 = null;
2
        ShortTextTitle t2 = null;
4
        try {
3
        try {
5
            t2 = (TickUnits) t1.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(t1 != t2);
9
        assertTrue(t1 != t2);
11
        assertTrue(t1.getClass() == t2.getClass());
10
        assertTrue(t1.getClass() == t2.getClass());
12
        assertTrue(t1.equals(t2));
11
        assertTrue(t1.equals(t2));
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.1
Clones locationClones are in different classes having the same super class
Number of node comparisons29
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)3.8
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                  
    1
    ShortTextTitle t1 = new ShortTextTitle("ABC");
    1
    TickUnits t1 = (TickUnits)NumberAxis.createIntegerTickUnits();
                                                                                                                                  
                                                        
    2
    ShortTextTitle t2 = null;
    2
    TickUnits t2 = 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
    t2 = (TickUnits)t1.clone();
    4
    t2 = (TickUnits)t1.clone();
    Preondition Violations
    Unmatched statement t2=(TickUnits)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
                                                            
    5
    assertTrue(t1 != t2);
    5
    assertTrue(t1 != t2);
    5
    assertTrue(t1 != t2);
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.title.ShortTextTitleVARIABLE_TYPE_MISMATCH
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.title.ShortTextTitleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.title.ShortTextTitle of variable t1
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.title.ShortTextTitle extend a common superclass
    Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.title.ShortTextTitle of variable t2
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.title.ShortTextTitle extend a common superclass
    5
    assertTrue(t1 != t2);
    6
    assertTrue(t1.getClass() == t2.getClass());
    6
    assertTrue(t1.getClass() == t2.getClass());
    6
    assertTrue(t1.getClass() == t2.getClass());
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.title.ShortTextTitleVARIABLE_TYPE_MISMATCH
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.title.ShortTextTitleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.title.ShortTextTitle of variable t1
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.title.ShortTextTitle extend a common superclass
    Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.title.ShortTextTitle of variable t2
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.title.ShortTextTitle extend a common superclass
    6
    assertTrue(t1.getClass() == t2.getClass());
    7
    assertTrue(t1.equals(t2));
    7
    assertTrue(t1.equals(t2));
    7
    assertTrue(t1.equals(t2));
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.title.ShortTextTitleVARIABLE_TYPE_MISMATCH
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.title.ShortTextTitleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.title.ShortTextTitle of variable t2
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.title.ShortTextTitle extend a common superclass
    Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.title.ShortTextTitle of variable t1
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.title.ShortTextTitle extend a common superclass
    7
    assertTrue(t1.equals(t2));
    Precondition Violations (8)
    Row Violation
    1Unmatched 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
    2Unmatched statement t2=(TickUnits)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
    3Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.title.ShortTextTitle of variable t1
    4Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.title.ShortTextTitle of variable t2
    5Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.title.ShortTextTitle of variable t1
    6Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.title.ShortTextTitle of variable t2
    7Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.title.ShortTextTitle of variable t2
    8Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.title.ShortTextTitle of variable t1