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));
PointerNeedle n1 = new PointerNeedle(); PointerNeedle n2 = null; try { n2 = (PointerNeedle) n1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); System.err.println("Failed to clone."); } assertTrue(n1 != n2); assertTrue(n1.getClass() == n2.getClass()); assertTrue(n1.equals(n2));
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/needle/junit/PointerNeedleTests.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 t
1
PointerNeedle n1 = new PointerNeedle();
3
2 = null;
2
        PointerNeedle n2 = null;
4
        try {
3
        try {
5
            t2 = (TickUnits) t1.clone();
4
            n2 = (PointerNeedle) n1.clone();
6
        }
5
        }
7
        catch (CloneNotSupportedException e) {
6
        catch (CloneNotSupportedException e) {
8
            e.printStackTrace();
7
            e.printStackTrace();
8
            System.err.println("Failed to clone.");
9
        }
9
        }
10
        assertTrue(t1 != t2);
10
        assertTrue(n1 != n2);
11
        assertTrue(t1.getClass() == t2.getClass());
11
        assertTrue(n1.getClass() == n2.getClass());
12
        assertTrue(t1.equals(t2));
12
        assertTrue(n1.equals(n2));
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 comparisons26
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements3
    Number of unmapped statements in the first code fragment4
    Number of unmapped statements in the second code fragment4
    Time elapsed for statement mapping (ms)3.0
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
                                                                                    
    1
    PointerNeedle n1 = new PointerNeedle();
    1
    TickUnits t1 = (TickUnits)NumberAxis.createIntegerTickUnits();
                                                                                                                                  
                                                      
    2
    PointerNeedle n2 = null;
    2
    TickUnits t2 = null;
                                              
                
    3
    try
                                                                    
    4
    n2 = (PointerNeedle)n1.clone();
    3
    try
                
    4
    t2 = (TickUnits)t1.clone();
                                                            
    5
    assertTrue(t1 != t2);
    5
    assertTrue(t1 != t2);
    5
    assertTrue(n1 != n2);
    Differences
    Expression1Expression2Difference
    t1n1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.needle.PointerNeedleVARIABLE_TYPE_MISMATCH
    t2n2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.needle.PointerNeedleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.needle.PointerNeedle of variable n1
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.needle.PointerNeedle extend a common superclass
    Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.needle.PointerNeedle of variable n2
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.needle.PointerNeedle extend a common superclass
    5
    assertTrue(n1 != n2);
    6
    assertTrue(t1.getClass() == t2.getClass());
    6
    assertTrue(t1.getClass() == t2.getClass());
    6
    assertTrue(n1.getClass() == n2.getClass());
    Differences
    Expression1Expression2Difference
    t1n1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.needle.PointerNeedleVARIABLE_TYPE_MISMATCH
    t2n2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.needle.PointerNeedleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.needle.PointerNeedle of variable n1
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.needle.PointerNeedle extend a common superclass
    Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.needle.PointerNeedle of variable n2
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.needle.PointerNeedle extend a common superclass
    6
    assertTrue(n1.getClass() == n2.getClass());
    7
    assertTrue(t1.equals(t2));
    7
    assertTrue(t1.equals(t2));
    7
    assertTrue(n1.equals(n2));
    Differences
    Expression1Expression2Difference
    t2n2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.needle.PointerNeedleVARIABLE_TYPE_MISMATCH
    t1n1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.needle.PointerNeedleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.needle.PointerNeedle of variable n2
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.needle.PointerNeedle extend a common superclass
    Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.needle.PointerNeedle of variable n1
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.needle.PointerNeedle extend a common superclass
    7
    assertTrue(n1.equals(n2));
    Precondition Violations (6)
    Row Violation
    1Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.needle.PointerNeedle of variable n1
    2Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.needle.PointerNeedle of variable n2
    3Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.needle.PointerNeedle of variable n1
    4Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.needle.PointerNeedle of variable n2
    5Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.needle.PointerNeedle of variable n2
    6Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.needle.PointerNeedle of variable n1