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));
DefaultTableXYDataset d1 = new DefaultTableXYDataset(); d1.addSeries(createSeries1()); DefaultTableXYDataset d2 = null; try { d2 = (DefaultTableXYDataset) d1.clone(); } catch (CloneNotSupportedException e) { System.err.println("Failed to clone."); } assertTrue(d1 != d2); assertTrue(d1.getClass() == d2.getClass()); assertTrue(d1.equals(d2));
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/data/xy/junit/TableXYDatasetTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 8
1
PlumNeedle n1 = new PlumNeedle();
2
        PlumNeedle n
1
DefaultTableXYDataset d1 = new DefaultTableXYDataset();
2
        d1.addSeries(createSeries1());
3
2 = null;
3
        DefaultTableXYDataset d2 = null;
4
        try {
4
        try {
5
            n2 = (PlumNeedle) n1.clone();
5
            d2 = (DefaultTableXYDataset) d1.clone();
6
        }
6
        }
7
        catch (CloneNotSupportedException e) {
7
        catch (CloneNotSupportedException e) {
8
            e.printStackTrace();
9
            System.err.println("Failed to clone.");
8
            System.err.println("Failed to clone.");
10
        }
9
        }
11
        assertTrue(n1 != n2);
10
        assertTrue(d1 != d2);
12
        assertTrue(n1.getClass() == n2.getClass());
11
        assertTrue(d1.getClass() == d2.getClass());
13
        assertTrue(n1.equals(n2));
12
        assertTrue(d1.equals(d2));
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)5.0
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
                                                                                                                    
    1
    DefaultTableXYDataset d1 = new DefaultTableXYDataset();
    Preondition Violations
    Unmatched statement DefaultTableXYDataset d1=new DefaultTableXYDataset(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    DefaultTableXYDataset d1 = new DefaultTableXYDataset();
    1
    PlumNeedle n1 = new PlumNeedle();
                                                                        
                                                                      
    2
    d1.addSeries(createSeries1());
    Preondition Violations
    Unmatched statement d1.addSeries(createSeries1()); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2
    d1.addSeries(createSeries1());
    2
    PlumNeedle n2 = null;
                                                
                                                                      
    3
    DefaultTableXYDataset d2 = null;
    3
    try
                
    4
    n2 = (PlumNeedle)n1.clone();
                                                              
                
    4
    try
                                                                                    
    5
    d2 = (DefaultTableXYDataset)d1.clone();
    5
    assertTrue(n1 != n2);
    5
    assertTrue(n1 != n2);
    6
    assertTrue(d1 != d2);
    Differences
    Expression1Expression2Difference
    n1d1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.PlumNeedleorg.jfree.data.xy.DefaultTableXYDatasetVARIABLE_TYPE_MISMATCH
    n2d2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.PlumNeedleorg.jfree.data.xy.DefaultTableXYDatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.PlumNeedle of variable n1 does not match with type org.jfree.data.xy.DefaultTableXYDataset of variable d1
    • Make classes org.jfree.chart.needle.PlumNeedle and org.jfree.data.xy.DefaultTableXYDataset extend a common superclass
    Type org.jfree.chart.needle.PlumNeedle of variable n2 does not match with type org.jfree.data.xy.DefaultTableXYDataset of variable d2
    • Make classes org.jfree.chart.needle.PlumNeedle and org.jfree.data.xy.DefaultTableXYDataset extend a common superclass
    6
    assertTrue(d1 != d2);
    6
    assertTrue(n1.getClass() == n2.getClass());
    6
    assertTrue(n1.getClass() == n2.getClass());
    7
    assertTrue(d1.getClass() == d2.getClass());
    Differences
    Expression1Expression2Difference
    n1d1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.PlumNeedleorg.jfree.data.xy.DefaultTableXYDatasetVARIABLE_TYPE_MISMATCH
    n2d2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.PlumNeedleorg.jfree.data.xy.DefaultTableXYDatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.PlumNeedle of variable n1 does not match with type org.jfree.data.xy.DefaultTableXYDataset of variable d1
    • Make classes org.jfree.chart.needle.PlumNeedle and org.jfree.data.xy.DefaultTableXYDataset extend a common superclass
    Type org.jfree.chart.needle.PlumNeedle of variable n2 does not match with type org.jfree.data.xy.DefaultTableXYDataset of variable d2
    • Make classes org.jfree.chart.needle.PlumNeedle and org.jfree.data.xy.DefaultTableXYDataset extend a common superclass
    7
    assertTrue(d1.getClass() == d2.getClass());
    7
    assertTrue(n1.equals(n2));
    7
    assertTrue(n1.equals(n2));
    8
    assertTrue(d1.equals(d2));
    Differences
    Expression1Expression2Difference
    n2d2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.PlumNeedleorg.jfree.data.xy.DefaultTableXYDatasetVARIABLE_TYPE_MISMATCH
    n1d1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.PlumNeedleorg.jfree.data.xy.DefaultTableXYDatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.PlumNeedle of variable n2 does not match with type org.jfree.data.xy.DefaultTableXYDataset of variable d2
    • Make classes org.jfree.chart.needle.PlumNeedle and org.jfree.data.xy.DefaultTableXYDataset extend a common superclass
    Type org.jfree.chart.needle.PlumNeedle of variable n1 does not match with type org.jfree.data.xy.DefaultTableXYDataset of variable d1
    • Make classes org.jfree.chart.needle.PlumNeedle and org.jfree.data.xy.DefaultTableXYDataset extend a common superclass
    8
    assertTrue(d1.equals(d2));
    Precondition Violations (8)
    Row Violation
    1Unmatched statement DefaultTableXYDataset d1=new DefaultTableXYDataset(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement d1.addSeries(createSeries1()); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Type org.jfree.chart.needle.PlumNeedle of variable n1 does not match with type org.jfree.data.xy.DefaultTableXYDataset of variable d1
    4Type org.jfree.chart.needle.PlumNeedle of variable n2 does not match with type org.jfree.data.xy.DefaultTableXYDataset of variable d2
    5Type org.jfree.chart.needle.PlumNeedle of variable n1 does not match with type org.jfree.data.xy.DefaultTableXYDataset of variable d1
    6Type org.jfree.chart.needle.PlumNeedle of variable n2 does not match with type org.jfree.data.xy.DefaultTableXYDataset of variable d2
    7Type org.jfree.chart.needle.PlumNeedle of variable n2 does not match with type org.jfree.data.xy.DefaultTableXYDataset of variable d2
    8Type org.jfree.chart.needle.PlumNeedle of variable n1 does not match with type org.jfree.data.xy.DefaultTableXYDataset of variable d1