ShipNeedle n1 = new ShipNeedle(); ShipNeedle n2 = null; try { n2 = (ShipNeedle) 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));
ImageTitle t1 = new ImageTitle(JFreeChart.INFO.getLogo()); ImageTitle t2 = null; try { t2 = (ImageTitle) 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/needle/junit/ShipNeedleTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/title/junit/ImageTitleTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 7
1
ShipNeedle n1 = new ShipNeedle();
1
ImageTitle t1 = new ImageTitle(JFreeChart.INFO.getLogo());
2
        ShipNeedle n2 = null;
2
        ImageTitle t2 = null;
3
        try {
3
        try {
4
            n2 = (ShipNeedle) n1.clone();
4
            t2 = (ImageTitle) t1.clone();
5
        }
5
        }
6
        catch (CloneNotSupportedException e) {
6
        catch (CloneNotSupportedException e) {
7
            e.printStackTrace();
7
            e.printStackTrace();
8
            System.err.println("Failed to clone.");
9
        }
8
        }
10
        assertTrue(n1 != n2);
9
        assertTrue(t1 != t2);
11
        assertTrue(n1.getClass() == n2.getClass());
10
        assertTrue(t1.getClass() == t2.getClass());
12
        assertTrue(n1.equals(n2));
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 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)3.8
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
                                                                                                                          
    1
    ImageTitle t1 = new ImageTitle(JFreeChart.INFO.getLogo());
    Preondition Violations
    Unmatched statement ImageTitle t1=new ImageTitle(JFreeChart.INFO.getLogo()); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    ImageTitle t1 = new ImageTitle(JFreeChart.INFO.getLogo());
    1
    ShipNeedle n1 = new ShipNeedle();
                                                                        
                                                
    2
    ImageTitle t2 = null;
    2
    ShipNeedle n2 = null;
                                                
                
    3
    try
                                                              
    4
    t2 = (ImageTitle)t1.clone();
    3
    try
                
    4
    n2 = (ShipNeedle)n1.clone();
                                                              
    5
    assertTrue(n1 != n2);
    5
    assertTrue(n1 != n2);
    5
    assertTrue(t1 != t2);
    Differences
    Expression1Expression2Difference
    n1t1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.ShipNeedleorg.jfree.chart.title.ImageTitleVARIABLE_TYPE_MISMATCH
    n2t2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.ShipNeedleorg.jfree.chart.title.ImageTitleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.ShipNeedle of variable n1 does not match with type org.jfree.chart.title.ImageTitle of variable t1
    • Make classes org.jfree.chart.needle.ShipNeedle and org.jfree.chart.title.ImageTitle extend a common superclass
    Type org.jfree.chart.needle.ShipNeedle of variable n2 does not match with type org.jfree.chart.title.ImageTitle of variable t2
    • Make classes org.jfree.chart.needle.ShipNeedle and org.jfree.chart.title.ImageTitle extend a common superclass
    5
    assertTrue(t1 != t2);
    6
    assertTrue(n1.getClass() == n2.getClass());
    6
    assertTrue(n1.getClass() == n2.getClass());
    6
    assertTrue(t1.getClass() == t2.getClass());
    Differences
    Expression1Expression2Difference
    n1t1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.ShipNeedleorg.jfree.chart.title.ImageTitleVARIABLE_TYPE_MISMATCH
    n2t2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.ShipNeedleorg.jfree.chart.title.ImageTitleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.ShipNeedle of variable n1 does not match with type org.jfree.chart.title.ImageTitle of variable t1
    • Make classes org.jfree.chart.needle.ShipNeedle and org.jfree.chart.title.ImageTitle extend a common superclass
    Type org.jfree.chart.needle.ShipNeedle of variable n2 does not match with type org.jfree.chart.title.ImageTitle of variable t2
    • Make classes org.jfree.chart.needle.ShipNeedle and org.jfree.chart.title.ImageTitle extend a common superclass
    6
    assertTrue(t1.getClass() == t2.getClass());
    7
    assertTrue(n1.equals(n2));
    7
    assertTrue(n1.equals(n2));
    7
    assertTrue(t1.equals(t2));
    Differences
    Expression1Expression2Difference
    n2t2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.ShipNeedleorg.jfree.chart.title.ImageTitleVARIABLE_TYPE_MISMATCH
    n1t1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.ShipNeedleorg.jfree.chart.title.ImageTitleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.ShipNeedle of variable n2 does not match with type org.jfree.chart.title.ImageTitle of variable t2
    • Make classes org.jfree.chart.needle.ShipNeedle and org.jfree.chart.title.ImageTitle extend a common superclass
    Type org.jfree.chart.needle.ShipNeedle of variable n1 does not match with type org.jfree.chart.title.ImageTitle of variable t1
    • Make classes org.jfree.chart.needle.ShipNeedle and org.jfree.chart.title.ImageTitle extend a common superclass
    7
    assertTrue(t1.equals(t2));
    Precondition Violations (7)
    Row Violation
    1Unmatched statement ImageTitle t1=new ImageTitle(JFreeChart.INFO.getLogo()); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Type org.jfree.chart.needle.ShipNeedle of variable n1 does not match with type org.jfree.chart.title.ImageTitle of variable t1
    3Type org.jfree.chart.needle.ShipNeedle of variable n2 does not match with type org.jfree.chart.title.ImageTitle of variable t2
    4Type org.jfree.chart.needle.ShipNeedle of variable n1 does not match with type org.jfree.chart.title.ImageTitle of variable t1
    5Type org.jfree.chart.needle.ShipNeedle of variable n2 does not match with type org.jfree.chart.title.ImageTitle of variable t2
    6Type org.jfree.chart.needle.ShipNeedle of variable n2 does not match with type org.jfree.chart.title.ImageTitle of variable t2
    7Type org.jfree.chart.needle.ShipNeedle of variable n1 does not match with type org.jfree.chart.title.ImageTitle of variable t1