MiddlePinNeedle n1 = new MiddlePinNeedle(); MiddlePinNeedle n2 = null; try { n2 = (MiddlePinNeedle) 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));
ScatterRenderer r1 = new ScatterRenderer(); ScatterRenderer r2 = null; try { r2 = (ScatterRenderer) r1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(r1 != r2); assertTrue(r1.getClass() == r2.getClass()); assertTrue(r1.equals(r2)); assertTrue(checkIndependence(r1, r2));
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/needle/junit/MiddlePinNeedleTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/renderer/category/junit/ScatterRendererTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 8
1
MiddlePinNeedle n1 = new MiddlePinNeedle();
2
        MiddlePinNeedle n
1
ScatterRenderer r1 = new ScatterRenderer();
3
2 = null;
2
        ScatterRenderer r2 = null;
4
        try {
3
        try {
5
            n2 = (MiddlePinNeedle) n1.clone();
4
            r2 = (ScatterRenderer) 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.");
10
        }
8
        }
11
        assertTrue(n1 != n2);
9
        assertTrue(r1 != r2);
12
        assertTrue(n1.getClass() == n2.getClass());
10
        assertTrue(r1.getClass() == r2.getClass());
13
        assertTrue(n1.equals(n
11
        assertTrue(r1.equals(r2));
14
2));
12
        assertTrue(checkIndependence(r1, 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)0.1
Clones locationClones are in different classes having the same super class
Number of node comparisons31
  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 fragment5
    Time elapsed for statement mapping (ms)4.1
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
                                                                                            
    1
    ScatterRenderer r1 = new ScatterRenderer();
    Preondition Violations
    Unmatched statement ScatterRenderer r1=new ScatterRenderer(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    ScatterRenderer r1 = new ScatterRenderer();
    1
    MiddlePinNeedle n1 = new MiddlePinNeedle();
                                                                                            
                                                          
    2
    ScatterRenderer r2 = null;
    2
    MiddlePinNeedle n2 = null;
                                                          
                
    3
    try
                                                                        
    4
    r2 = (ScatterRenderer)r1.clone();
    3
    try
                
    4
    n2 = (MiddlePinNeedle)n1.clone();
                                                                        
    5
    assertTrue(n1 != n2);
    5
    assertTrue(n1 != n2);
    5
    assertTrue(r1 != r2);
    Differences
    Expression1Expression2Difference
    n1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.MiddlePinNeedleorg.jfree.chart.renderer.category.ScatterRendererVARIABLE_TYPE_MISMATCH
    n2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.MiddlePinNeedleorg.jfree.chart.renderer.category.ScatterRendererVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.MiddlePinNeedle of variable n1 does not match with type org.jfree.chart.renderer.category.ScatterRenderer of variable r1
    • Make classes org.jfree.chart.needle.MiddlePinNeedle and org.jfree.chart.renderer.category.ScatterRenderer extend a common superclass
    Type org.jfree.chart.needle.MiddlePinNeedle of variable n2 does not match with type org.jfree.chart.renderer.category.ScatterRenderer of variable r2
    • Make classes org.jfree.chart.needle.MiddlePinNeedle and org.jfree.chart.renderer.category.ScatterRenderer 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.MiddlePinNeedleorg.jfree.chart.renderer.category.ScatterRendererVARIABLE_TYPE_MISMATCH
    n2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.MiddlePinNeedleorg.jfree.chart.renderer.category.ScatterRendererVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.MiddlePinNeedle of variable n1 does not match with type org.jfree.chart.renderer.category.ScatterRenderer of variable r1
    • Make classes org.jfree.chart.needle.MiddlePinNeedle and org.jfree.chart.renderer.category.ScatterRenderer extend a common superclass
    Type org.jfree.chart.needle.MiddlePinNeedle of variable n2 does not match with type org.jfree.chart.renderer.category.ScatterRenderer of variable r2
    • Make classes org.jfree.chart.needle.MiddlePinNeedle and org.jfree.chart.renderer.category.ScatterRenderer 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.MiddlePinNeedleorg.jfree.chart.renderer.category.ScatterRendererVARIABLE_TYPE_MISMATCH
    n1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.MiddlePinNeedleorg.jfree.chart.renderer.category.ScatterRendererVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.MiddlePinNeedle of variable n2 does not match with type org.jfree.chart.renderer.category.ScatterRenderer of variable r2
    • Make classes org.jfree.chart.needle.MiddlePinNeedle and org.jfree.chart.renderer.category.ScatterRenderer extend a common superclass
    Type org.jfree.chart.needle.MiddlePinNeedle of variable n1 does not match with type org.jfree.chart.renderer.category.ScatterRenderer of variable r1
    • Make classes org.jfree.chart.needle.MiddlePinNeedle and org.jfree.chart.renderer.category.ScatterRenderer extend a common superclass
    7
    assertTrue(r1.equals(r2));
                                                                                    
    8
    assertTrue(checkIndependence(r1, r2));
    Preondition Violations
    Unmatched statement assertTrue(checkIndependence(r1,r2)); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    8
    assertTrue(checkIndependence(r1, r2));
    Precondition Violations (8)
    Row Violation
    1Unmatched statement ScatterRenderer r1=new ScatterRenderer(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Type org.jfree.chart.needle.MiddlePinNeedle of variable n1 does not match with type org.jfree.chart.renderer.category.ScatterRenderer of variable r1
    3Type org.jfree.chart.needle.MiddlePinNeedle of variable n2 does not match with type org.jfree.chart.renderer.category.ScatterRenderer of variable r2
    4Type org.jfree.chart.needle.MiddlePinNeedle of variable n1 does not match with type org.jfree.chart.renderer.category.ScatterRenderer of variable r1
    5Type org.jfree.chart.needle.MiddlePinNeedle of variable n2 does not match with type org.jfree.chart.renderer.category.ScatterRenderer of variable r2
    6Type org.jfree.chart.needle.MiddlePinNeedle of variable n2 does not match with type org.jfree.chart.renderer.category.ScatterRenderer of variable r2
    7Type org.jfree.chart.needle.MiddlePinNeedle of variable n1 does not match with type org.jfree.chart.renderer.category.ScatterRenderer of variable r1
    8Unmatched statement assertTrue(checkIndependence(r1,r2)); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted