LongNeedle n1 = new LongNeedle(); LongNeedle n2 = null; try { n2 = (LongNeedle) 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));
LineRenderer3D r1 = new LineRenderer3D(); LineRenderer3D r2 = null; try { r2 = (LineRenderer3D) 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/LongNeedleTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/renderer/category/junit/LineRenderer3DTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 8
1
LongNeedle n1 = new LongNeedle();
1
L
2
        LongNeedle n
2
ineRenderer3D r1 = new LineRenderer3D();
3
2 = null;
3
        LineRenderer3D r2 = null;
4
        try {
4
        try {
5
            n2 = (LongNeedle) n1.clone();
5
            r2 = (LineRenderer3D) r1.clone();
6
        }
6
        }
7
        catch (CloneNotSupportedException e) {
7
        catch (CloneNotSupportedException e) {
8
            e.printStackTrace();
8
            e.printStackTrace();
9
            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(n
12
        assertTrue(r1.equals(r2));
14
2));
13
        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)4.2
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
                                                                                        
    1
    LineRenderer3D r1 = new LineRenderer3D();
    Preondition Violations
    Unmatched statement LineRenderer3D r1=new LineRenderer3D(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    LineRenderer3D r1 = new LineRenderer3D();
    1
    LongNeedle n1 = new LongNeedle();
                                                                        
                                                        
    2
    LineRenderer3D r2 = null;
    2
    LongNeedle n2 = null;
                                                
                
    3
    try
                                                                      
    4
    r2 = (LineRenderer3D)r1.clone();
    3
    try
                
    4
    n2 = (LongNeedle)n1.clone();
                                                              
    5
    assertTrue(n1 != n2);
    5
    assertTrue(n1 != n2);
    5
    assertTrue(r1 != r2);
    Differences
    Expression1Expression2Difference
    n1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LongNeedleorg.jfree.chart.renderer.category.LineRenderer3DVARIABLE_TYPE_MISMATCH
    n2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LongNeedleorg.jfree.chart.renderer.category.LineRenderer3DVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.LongNeedle of variable n1 does not match with type org.jfree.chart.renderer.category.LineRenderer3D of variable r1
    • Make classes org.jfree.chart.needle.LongNeedle and org.jfree.chart.renderer.category.LineRenderer3D extend a common superclass
    Type org.jfree.chart.needle.LongNeedle of variable n2 does not match with type org.jfree.chart.renderer.category.LineRenderer3D of variable r2
    • Make classes org.jfree.chart.needle.LongNeedle and org.jfree.chart.renderer.category.LineRenderer3D 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.LongNeedleorg.jfree.chart.renderer.category.LineRenderer3DVARIABLE_TYPE_MISMATCH
    n2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LongNeedleorg.jfree.chart.renderer.category.LineRenderer3DVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.LongNeedle of variable n1 does not match with type org.jfree.chart.renderer.category.LineRenderer3D of variable r1
    • Make classes org.jfree.chart.needle.LongNeedle and org.jfree.chart.renderer.category.LineRenderer3D extend a common superclass
    Type org.jfree.chart.needle.LongNeedle of variable n2 does not match with type org.jfree.chart.renderer.category.LineRenderer3D of variable r2
    • Make classes org.jfree.chart.needle.LongNeedle and org.jfree.chart.renderer.category.LineRenderer3D 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.LongNeedleorg.jfree.chart.renderer.category.LineRenderer3DVARIABLE_TYPE_MISMATCH
    n1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LongNeedleorg.jfree.chart.renderer.category.LineRenderer3DVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.LongNeedle of variable n2 does not match with type org.jfree.chart.renderer.category.LineRenderer3D of variable r2
    • Make classes org.jfree.chart.needle.LongNeedle and org.jfree.chart.renderer.category.LineRenderer3D extend a common superclass
    Type org.jfree.chart.needle.LongNeedle of variable n1 does not match with type org.jfree.chart.renderer.category.LineRenderer3D of variable r1
    • Make classes org.jfree.chart.needle.LongNeedle and org.jfree.chart.renderer.category.LineRenderer3D 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 LineRenderer3D r1=new LineRenderer3D(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Type org.jfree.chart.needle.LongNeedle of variable n1 does not match with type org.jfree.chart.renderer.category.LineRenderer3D of variable r1
    3Type org.jfree.chart.needle.LongNeedle of variable n2 does not match with type org.jfree.chart.renderer.category.LineRenderer3D of variable r2
    4Type org.jfree.chart.needle.LongNeedle of variable n1 does not match with type org.jfree.chart.renderer.category.LineRenderer3D of variable r1
    5Type org.jfree.chart.needle.LongNeedle of variable n2 does not match with type org.jfree.chart.renderer.category.LineRenderer3D of variable r2
    6Type org.jfree.chart.needle.LongNeedle of variable n2 does not match with type org.jfree.chart.renderer.category.LineRenderer3D of variable r2
    7Type org.jfree.chart.needle.LongNeedle of variable n1 does not match with type org.jfree.chart.renderer.category.LineRenderer3D 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