PlumNeedle n1 = new PlumNeedle(); PlumNeedle n2 = null; try { n2 = (PlumNeedle) 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));
DefaultDrawingSupplier r1 = new DefaultDrawingSupplier(); DefaultDrawingSupplier r2 = null; try { r2 = (DefaultDrawingSupplier) r1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); System.err.println("Failed to clone."); } assertTrue(r1 != r2); assertTrue(r1.getClass() == r2.getClass()); assertTrue(r1.equals(r2));
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/needle/junit/PlumNeedleTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/plot/junit/DefaultDrawingSupplierTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 7
1
PlumNeedle n1 = new PlumNeedle();
2
        PlumNeedle n
1
DefaultDrawingSupplier r1 = new DefaultDrawingSupplier();
3
2 = null;
2
        DefaultDrawingSupplier r2 = null;
4
        try {
3
        try {
5
            n2 = (PlumNeedle) n1.clone();
4
            r2 = (DefaultDrawingSupplier) r1.clone();
6
        }
5
        }
7
        catch (CloneNotSupportedException e) {
6
        catch (CloneNotSupportedException e) {
8
            e.printStackTrace();
7
            e.printStackTrace();
9
            System.err.println("Failed to clone.");
8
            System.err.println("Failed to clone.");
10
        }
9
        }
11
        assertTrue(n1 != n2);
10
        assertTrue(r1 != r2);
12
        assertTrue(n1.getClass() == n2.getClass());
11
        assertTrue(r1.getClass() == r2.getClass());
13
        assertTrue(n1.equals(n2));
12
        assertTrue(r1.equals(r2));
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)0.2
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)3.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                                        
    1
    DefaultDrawingSupplier r1 = new DefaultDrawingSupplier();
    Preondition Violations
    Unmatched statement DefaultDrawingSupplier r1=new DefaultDrawingSupplier(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    DefaultDrawingSupplier r1 = new DefaultDrawingSupplier();
    1
    PlumNeedle n1 = new PlumNeedle();
                                                                        
                                                                        
    2
    DefaultDrawingSupplier r2 = null;
    2
    PlumNeedle n2 = null;
                                                
    3
    try
    3
    try
                                                                                      
    4
    r2 = (DefaultDrawingSupplier)r1.clone();
    Preondition Violations
    Unmatched statement r2=(DefaultDrawingSupplier)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
    4
    r2 = (DefaultDrawingSupplier)r1.clone();
    4
    n2 = (PlumNeedle)n1.clone();
    4
    n2 = (PlumNeedle)n1.clone();
    Preondition Violations
    Unmatched statement n2=(PlumNeedle)n1.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(n1 != n2);
    5
    assertTrue(n1 != n2);
    5
    assertTrue(r1 != r2);
    Differences
    Expression1Expression2Difference
    n1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.PlumNeedleorg.jfree.chart.plot.DefaultDrawingSupplierVARIABLE_TYPE_MISMATCH
    n2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.PlumNeedleorg.jfree.chart.plot.DefaultDrawingSupplierVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.PlumNeedle of variable n1 does not match with type org.jfree.chart.plot.DefaultDrawingSupplier of variable r1
    • Make classes org.jfree.chart.needle.PlumNeedle and org.jfree.chart.plot.DefaultDrawingSupplier extend a common superclass
    Type org.jfree.chart.needle.PlumNeedle of variable n2 does not match with type org.jfree.chart.plot.DefaultDrawingSupplier of variable r2
    • Make classes org.jfree.chart.needle.PlumNeedle and org.jfree.chart.plot.DefaultDrawingSupplier extend a common superclass
    5
    assertTrue(r1 != r2);
    6
    assertTrue(n1.getClass() == n2.getClass());
    6
    assertTrue(n1.getClass() == n2.getClass());
    6
    assertTrue(r1.getClass() == r2.getClass());
    Differences
    Expression1Expression2Difference
    n1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.PlumNeedleorg.jfree.chart.plot.DefaultDrawingSupplierVARIABLE_TYPE_MISMATCH
    n2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.PlumNeedleorg.jfree.chart.plot.DefaultDrawingSupplierVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.PlumNeedle of variable n1 does not match with type org.jfree.chart.plot.DefaultDrawingSupplier of variable r1
    • Make classes org.jfree.chart.needle.PlumNeedle and org.jfree.chart.plot.DefaultDrawingSupplier extend a common superclass
    Type org.jfree.chart.needle.PlumNeedle of variable n2 does not match with type org.jfree.chart.plot.DefaultDrawingSupplier of variable r2
    • Make classes org.jfree.chart.needle.PlumNeedle and org.jfree.chart.plot.DefaultDrawingSupplier extend a common superclass
    6
    assertTrue(r1.getClass() == r2.getClass());
    7
    assertTrue(n1.equals(n2));
    7
    assertTrue(n1.equals(n2));
    7
    assertTrue(r1.equals(r2));
    Differences
    Expression1Expression2Difference
    n2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.PlumNeedleorg.jfree.chart.plot.DefaultDrawingSupplierVARIABLE_TYPE_MISMATCH
    n1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.PlumNeedleorg.jfree.chart.plot.DefaultDrawingSupplierVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.PlumNeedle of variable n2 does not match with type org.jfree.chart.plot.DefaultDrawingSupplier of variable r2
    • Make classes org.jfree.chart.needle.PlumNeedle and org.jfree.chart.plot.DefaultDrawingSupplier extend a common superclass
    Type org.jfree.chart.needle.PlumNeedle of variable n1 does not match with type org.jfree.chart.plot.DefaultDrawingSupplier of variable r1
    • Make classes org.jfree.chart.needle.PlumNeedle and org.jfree.chart.plot.DefaultDrawingSupplier extend a common superclass
    7
    assertTrue(r1.equals(r2));
    Precondition Violations (9)
    Row Violation
    1Unmatched statement DefaultDrawingSupplier r1=new DefaultDrawingSupplier(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement r2=(DefaultDrawingSupplier)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
    3Unmatched statement n2=(PlumNeedle)n1.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
    4Type org.jfree.chart.needle.PlumNeedle of variable n1 does not match with type org.jfree.chart.plot.DefaultDrawingSupplier of variable r1
    5Type org.jfree.chart.needle.PlumNeedle of variable n2 does not match with type org.jfree.chart.plot.DefaultDrawingSupplier of variable r2
    6Type org.jfree.chart.needle.PlumNeedle of variable n1 does not match with type org.jfree.chart.plot.DefaultDrawingSupplier of variable r1
    7Type org.jfree.chart.needle.PlumNeedle of variable n2 does not match with type org.jfree.chart.plot.DefaultDrawingSupplier of variable r2
    8Type org.jfree.chart.needle.PlumNeedle of variable n2 does not match with type org.jfree.chart.plot.DefaultDrawingSupplier of variable r2
    9Type org.jfree.chart.needle.PlumNeedle of variable n1 does not match with type org.jfree.chart.plot.DefaultDrawingSupplier of variable r1