XYImageAnnotation a1 = new XYImageAnnotation(10.0, 20.0, JFreeChart.INFO.getLogo()); XYImageAnnotation a2 = null; try { a2 = (XYImageAnnotation) a1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(a1 != a2); assertTrue(a1.getClass() == a2.getClass()); assertTrue(a1.equals(a2));
LegendItem item1 = new LegendItem("Item"); LegendItem item2 = null; try { item2 = (LegendItem) item1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(item1 != item2); assertTrue(item1.getClass() == item2.getClass()); assertTrue(item1.equals(item2)); // the clone references the same dataset as the original assertTrue(item1.getDataset() == item2.getDataset());
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/annotations/junit/XYImageAnnotationTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/junit/LegendItemTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 8
1
XYImageAnnotation a1 = new XYImageAnnotation(10.0, 20.0,
1
LegendItem item1 = new 
2
                JFreeChart.INFO.getLogo());
2
LegendItem("Item");
3
        XYImageAnnotation a2 = null;
3
        LegendItem item2 = null;
4
        try {
4
        try {
5
            a2 = (XYImageAnnotation) a1.clone();
5
            item2 = (LegendItem) item1.clone();
6
        }
6
        }
7
        catch (CloneNotSupportedException e) {
7
        catch (CloneNotSupportedException e) {
8
            e.printStackTrace();
8
            e.printStackTrace();
9
        }
9
        }
10
        assertTrue(a1 != a2);
10
        assertTrue(item1 != item2);
11
        assertTrue(a1.getClass() == a2.getClass());
11
        assertTrue(item1.getClass() == item2.getClass());
12
        assertTrue(a1.equals(a2
12
        assertTrue(item1.equals(item2));
13
        // the clone references the same dataset as the original
13
));
14
        assertTrue(item1.getDataset() == item2.getDataset());
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 comparisons34
  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 fragment4
    Time elapsed for statement mapping (ms)4.2
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
                                                                                          
    1
    LegendItem item1 = new LegendItem("Item");
    Preondition Violations
    Unmatched statement LegendItem item1=new LegendItem("Item"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    LegendItem item1 = new LegendItem("Item");
    1
    XYImageAnnotation a1 = new XYImageAnnotation(10.0, 20.0, JFreeChart.INFO.getLogo());
    1
    XYImageAnnotation a1 = new XYImageAnnotation(10.0, 20.0, JFreeChart.INFO.getLogo());
    Preondition Violations
    Unmatched statement XYImageAnnotation a1=new XYImageAnnotation(10.0,20.0,JFreeChart.INFO.getLogo()); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                                                                                                          
                                                      
    2
    LegendItem item2 = null;
    2
    XYImageAnnotation a2 = null;
                                                              
    3
    try
    3
    try
                                                                          
    4
    item2 = (LegendItem)item1.clone();
    Preondition Violations
    Unmatched statement item2=(LegendItem)item1.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
    item2 = (LegendItem)item1.clone();
    4
    a2 = (XYImageAnnotation)a1.clone();
    4
    a2 = (XYImageAnnotation)a1.clone();
    Preondition Violations
    Unmatched statement a2=(XYImageAnnotation)a1.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(a1 != a2);
    5
    assertTrue(a1 != a2);
    5
    assertTrue(item1 != item2);
    Differences
    Expression1Expression2Difference
    a1item1VARIABLE_NAME_MISMATCH
    org.jfree.chart.annotations.XYImageAnnotationorg.jfree.chart.LegendItemVARIABLE_TYPE_MISMATCH
    a2item2VARIABLE_NAME_MISMATCH
    org.jfree.chart.annotations.XYImageAnnotationorg.jfree.chart.LegendItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.annotations.XYImageAnnotation of variable a1 does not match with type org.jfree.chart.LegendItem of variable item1
    • Make classes org.jfree.chart.annotations.XYImageAnnotation and org.jfree.chart.LegendItem extend a common superclass
    Type org.jfree.chart.annotations.XYImageAnnotation of variable a2 does not match with type org.jfree.chart.LegendItem of variable item2
    • Make classes org.jfree.chart.annotations.XYImageAnnotation and org.jfree.chart.LegendItem extend a common superclass
    5
    assertTrue(item1 != item2);
    6
    assertTrue(a1.getClass() == a2.getClass());
    6
    assertTrue(a1.getClass() == a2.getClass());
    6
    assertTrue(item1.getClass() == item2.getClass());
    Differences
    Expression1Expression2Difference
    a1item1VARIABLE_NAME_MISMATCH
    org.jfree.chart.annotations.XYImageAnnotationorg.jfree.chart.LegendItemVARIABLE_TYPE_MISMATCH
    a2item2VARIABLE_NAME_MISMATCH
    org.jfree.chart.annotations.XYImageAnnotationorg.jfree.chart.LegendItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.annotations.XYImageAnnotation of variable a1 does not match with type org.jfree.chart.LegendItem of variable item1
    • Make classes org.jfree.chart.annotations.XYImageAnnotation and org.jfree.chart.LegendItem extend a common superclass
    Type org.jfree.chart.annotations.XYImageAnnotation of variable a2 does not match with type org.jfree.chart.LegendItem of variable item2
    • Make classes org.jfree.chart.annotations.XYImageAnnotation and org.jfree.chart.LegendItem extend a common superclass
    6
    assertTrue(item1.getClass() == item2.getClass());
    7
    assertTrue(a1.equals(a2));
    7
    assertTrue(a1.equals(a2));
    7
    assertTrue(item1.equals(item2));
    Differences
    Expression1Expression2Difference
    a2item2VARIABLE_NAME_MISMATCH
    org.jfree.chart.annotations.XYImageAnnotationorg.jfree.chart.LegendItemVARIABLE_TYPE_MISMATCH
    a1item1VARIABLE_NAME_MISMATCH
    org.jfree.chart.annotations.XYImageAnnotationorg.jfree.chart.LegendItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.annotations.XYImageAnnotation of variable a2 does not match with type org.jfree.chart.LegendItem of variable item2
    • Make classes org.jfree.chart.annotations.XYImageAnnotation and org.jfree.chart.LegendItem extend a common superclass
    Type org.jfree.chart.annotations.XYImageAnnotation of variable a1 does not match with type org.jfree.chart.LegendItem of variable item1
    • Make classes org.jfree.chart.annotations.XYImageAnnotation and org.jfree.chart.LegendItem extend a common superclass
    7
    assertTrue(item1.equals(item2));
                                                                                                                    
    8
    assertTrue(item1.getDataset() == item2.getDataset());
    Precondition Violations (10)
    Row Violation
    1Unmatched statement LegendItem item1=new LegendItem("Item"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement XYImageAnnotation a1=new XYImageAnnotation(10.0,20.0,JFreeChart.INFO.getLogo()); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement item2=(LegendItem)item1.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
    4Unmatched statement a2=(XYImageAnnotation)a1.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
    5Type org.jfree.chart.annotations.XYImageAnnotation of variable a1 does not match with type org.jfree.chart.LegendItem of variable item1
    6Type org.jfree.chart.annotations.XYImageAnnotation of variable a2 does not match with type org.jfree.chart.LegendItem of variable item2
    7Type org.jfree.chart.annotations.XYImageAnnotation of variable a1 does not match with type org.jfree.chart.LegendItem of variable item1
    8Type org.jfree.chart.annotations.XYImageAnnotation of variable a2 does not match with type org.jfree.chart.LegendItem of variable item2
    9Type org.jfree.chart.annotations.XYImageAnnotation of variable a2 does not match with type org.jfree.chart.LegendItem of variable item2
    10Type org.jfree.chart.annotations.XYImageAnnotation of variable a1 does not match with type org.jfree.chart.LegendItem of variable item1