XYPointerAnnotation a1 = new XYPointerAnnotation("Label", 10.0, 20.0, Math.PI); XYPointerAnnotation a2 = null; try { a2 = (XYPointerAnnotation) a1.clone(); } catch (CloneNotSupportedException e) { System.err.println("Failed to clone."); } assertTrue(a1 != a2); assertTrue(a1.getClass() == a2.getClass()); assertTrue(a1.equals(a2));
double start = 10.0; double end = 20.0; HistogramBin b1 = new HistogramBin(start, end); HistogramBin b2 = null; try { b2 = (HistogramBin) b1.clone(); } catch (CloneNotSupportedException e) { System.err.println("Failed to clone."); } assertTrue(b1 != b2); assertTrue(b1.getClass() == b2.getClass()); assertTrue(b1.equals(b2));
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/annotations/junit/XYPointerAnnotationTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/statistics/junit/HistogramBinTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 9
1
XYPointerAnnotation a1 = new XYPointerAnnotation("Label", 10.0,
1
double start = 10.0;
2
 20.0,
2
        double end = 20.0
3
  
3
;
4
              Math.PI);
4
        
5
        XYPointerAnnotatio
5
HistogramBin b1 = new HistogramBin(start, end);
6
n a2 = null;
6
        HistogramBin b2 = null;
7
        try {
7
        try {
8
            a2 = (XYPointerAnnotation) a1.clone();
8
            b2 = (HistogramBin) b1.clone();
9
        }
9
        }
10
        catch (CloneNotSupportedException e) {
10
        catch (CloneNotSupportedException e) {
11
            System.err.println("Failed to clone.");
11
            System.err.println("Failed to clone.");
12
        }
12
        }
13
        assertTrue(a1 != a2);
13
        assertTrue(b1 != b2);
14
        assertTrue(a1.getClass() == a2.getClass());
14
        assertTrue(b1.getClass() == b2.getClass());
15
        assertTrue(a1.equals(a2));
15
        assertTrue(b1.equals(b2));
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)0.2
Clones locationClones are in different classes having the same super class
Number of node comparisons39
  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 fragment5
    Time elapsed for statement mapping (ms)3.8
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
                                              
    1
    double start = 10.0;
    1
    XYPointerAnnotation a1 = new XYPointerAnnotation("Label", 10.0, 20.0, Math.PI);
    1
    XYPointerAnnotation a1 = new XYPointerAnnotation("Label", 10.0, 20.0, Math.PI);
    Preondition Violations
    Unmatched statement XYPointerAnnotation a1=new XYPointerAnnotation("Label",10.0,20.0,Math.PI); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                                                                                              
                                          
    2
    double end = 20.0;
    2
    XYPointerAnnotation a2 = null;
                                                                  
                                                                                                  
    3
    HistogramBin b1 = new HistogramBin(start, end);
    Preondition Violations
    Unmatched statement HistogramBin b1=new HistogramBin(start,end); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3
    HistogramBin b1 = new HistogramBin(start, end);
                                                    
    4
    HistogramBin b2 = null;
    3
    try
    5
    try
    4
    a2 = (XYPointerAnnotation)a1.clone();
    4
    a2 = (XYPointerAnnotation)a1.clone();
    Preondition Violations
    Unmatched statement a2=(XYPointerAnnotation)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
                                                                                
                                                                  
    6
    b2 = (HistogramBin)b1.clone();
    Preondition Violations
    Unmatched statement b2=(HistogramBin)b1.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
    6
    b2 = (HistogramBin)b1.clone();
    5
    assertTrue(a1 != a2);
    5
    assertTrue(a1 != a2);
    7
    assertTrue(b1 != b2);
    Differences
    Expression1Expression2Difference
    a1b1VARIABLE_NAME_MISMATCH
    org.jfree.chart.annotations.XYPointerAnnotationorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    a2b2VARIABLE_NAME_MISMATCH
    org.jfree.chart.annotations.XYPointerAnnotationorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.annotations.XYPointerAnnotation of variable a1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1
    • Make classes org.jfree.chart.annotations.XYPointerAnnotation and org.jfree.data.statistics.HistogramBin extend a common superclass
    Type org.jfree.chart.annotations.XYPointerAnnotation of variable a2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    • Make classes org.jfree.chart.annotations.XYPointerAnnotation and org.jfree.data.statistics.HistogramBin extend a common superclass
    7
    assertTrue(b1 != b2);
    6
    assertTrue(a1.getClass() == a2.getClass());
    6
    assertTrue(a1.getClass() == a2.getClass());
    8
    assertTrue(b1.getClass() == b2.getClass());
    Differences
    Expression1Expression2Difference
    a1b1VARIABLE_NAME_MISMATCH
    org.jfree.chart.annotations.XYPointerAnnotationorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    a2b2VARIABLE_NAME_MISMATCH
    org.jfree.chart.annotations.XYPointerAnnotationorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.annotations.XYPointerAnnotation of variable a1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1
    • Make classes org.jfree.chart.annotations.XYPointerAnnotation and org.jfree.data.statistics.HistogramBin extend a common superclass
    Type org.jfree.chart.annotations.XYPointerAnnotation of variable a2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    • Make classes org.jfree.chart.annotations.XYPointerAnnotation and org.jfree.data.statistics.HistogramBin extend a common superclass
    8
    assertTrue(b1.getClass() == b2.getClass());
    7
    assertTrue(a1.equals(a2));
    7
    assertTrue(a1.equals(a2));
    9
    assertTrue(b1.equals(b2));
    Differences
    Expression1Expression2Difference
    a2b2VARIABLE_NAME_MISMATCH
    org.jfree.chart.annotations.XYPointerAnnotationorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    a1b1VARIABLE_NAME_MISMATCH
    org.jfree.chart.annotations.XYPointerAnnotationorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.annotations.XYPointerAnnotation of variable a2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    • Make classes org.jfree.chart.annotations.XYPointerAnnotation and org.jfree.data.statistics.HistogramBin extend a common superclass
    Type org.jfree.chart.annotations.XYPointerAnnotation of variable a1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1
    • Make classes org.jfree.chart.annotations.XYPointerAnnotation and org.jfree.data.statistics.HistogramBin extend a common superclass
    9
    assertTrue(b1.equals(b2));
    Precondition Violations (10)
    Row Violation
    1Unmatched statement XYPointerAnnotation a1=new XYPointerAnnotation("Label",10.0,20.0,Math.PI); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement HistogramBin b1=new HistogramBin(start,end); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement a2=(XYPointerAnnotation)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
    4Unmatched statement b2=(HistogramBin)b1.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.XYPointerAnnotation of variable a1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1
    6Type org.jfree.chart.annotations.XYPointerAnnotation of variable a2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    7Type org.jfree.chart.annotations.XYPointerAnnotation of variable a1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1
    8Type org.jfree.chart.annotations.XYPointerAnnotation of variable a2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    9Type org.jfree.chart.annotations.XYPointerAnnotation of variable a2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    10Type org.jfree.chart.annotations.XYPointerAnnotation of variable a1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1