TextTitle t = new TextTitle("Title"); XYTitleAnnotation a1 = new XYTitleAnnotation(1.0, 2.0, t); XYTitleAnnotation a2 = null; try { a2 = (XYTitleAnnotation) a1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } 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/experimental/org/jfree/experimental/chart/annotations/junit/XYTitleAnnotationTests.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: 8 Number of AST nodes: 9
1
TextTitle t = new TextTitle("Title");
2
        XYTitleAnnotatio
1
double start = 10.0;
2
        double end = 20.0;
3
n a1 = new XYTitleAnnotation(1.0, 2.0, t);
3
        HistogramBin b1 = new 
4
        XYTitleAnnotatio
4
HistogramBin(start, end);
5
n a2 = null;
5
        HistogramBin b2 = null;
6
        try {
6
        try {
7
            a2 = (XYTitleAnnotation) a1.clone();
7
            b2 = (HistogramBin) b1.clone();
8
        }
8
        }
9
        catch (CloneNotSupportedException e) {
9
        catch (CloneNotSupportedException e) {
10
            e.printStackTrace();
10
            System.err.println("Failed to clone.");
11
        }
11
        }
12
        assertTrue(a1 != a2);
12
        assertTrue(b1 != b2);
13
        assertTrue(a1.getClass() == a2.getClass());
13
        assertTrue(b1.getClass() == b2.getClass());
14
        assertTrue(a1.equals(a2));
14
        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)0.3
Clones locationClones are in different classes having the same super class
Number of node comparisons46
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment4
    Number of unmapped statements in the second code fragment5
    Time elapsed for statement mapping (ms)4.4
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
                                              
    1
    double start = 10.0;
    1
    TextTitle t = new TextTitle("Title");
    1
    TextTitle t = new TextTitle("Title");
    Preondition Violations
    Unmatched statement TextTitle t=new TextTitle("Title"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                
                                          
    2
    double end = 20.0;
    2
    XYTitleAnnotation a1 = new XYTitleAnnotation(1.0, 2.0, t);
    2
    XYTitleAnnotation a1 = new XYTitleAnnotation(1.0, 2.0, t);
    Preondition Violations
    Unmatched statement XYTitleAnnotation a1=new XYTitleAnnotation(1.0,2.0,t); 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);
    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);
    3
    XYTitleAnnotation a2 = null;
                                                              
                                                    
    4
    HistogramBin b2 = null;
    4
    try
    4
    try
    5
    try
    Differences
    Expression1Expression2Difference
    printStackTraceprintlnMETHOD_INVOCATION_NAME_MISMATCH
    eSystem.errAST_TYPE_MISMATCH
    e.printStackTrace()System.err.println("Failed to clone.")ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    Expression e cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    5
    try
    5
    a2 = (XYTitleAnnotation)a1.clone();
    5
    a2 = (XYTitleAnnotation)a1.clone();
    Preondition Violations
    Unmatched statement a2=(XYTitleAnnotation)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();
    6
    assertTrue(a1 != a2);
    6
    assertTrue(a1 != a2);
    7
    assertTrue(b1 != b2);
    Differences
    Expression1Expression2Difference
    a1b1VARIABLE_NAME_MISMATCH
    org.jfree.experimental.chart.annotations.XYTitleAnnotationorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    a2b2VARIABLE_NAME_MISMATCH
    org.jfree.experimental.chart.annotations.XYTitleAnnotationorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.experimental.chart.annotations.XYTitleAnnotation of variable a1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1
    • Make classes org.jfree.experimental.chart.annotations.XYTitleAnnotation and org.jfree.data.statistics.HistogramBin extend a common superclass
    Type org.jfree.experimental.chart.annotations.XYTitleAnnotation of variable a2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    • Make classes org.jfree.experimental.chart.annotations.XYTitleAnnotation and org.jfree.data.statistics.HistogramBin extend a common superclass
    7
    assertTrue(b1 != b2);
    7
    assertTrue(a1.getClass() == a2.getClass());
    7
    assertTrue(a1.getClass() == a2.getClass());
    8
    assertTrue(b1.getClass() == b2.getClass());
    Differences
    Expression1Expression2Difference
    a1b1VARIABLE_NAME_MISMATCH
    org.jfree.experimental.chart.annotations.XYTitleAnnotationorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    a2b2VARIABLE_NAME_MISMATCH
    org.jfree.experimental.chart.annotations.XYTitleAnnotationorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.experimental.chart.annotations.XYTitleAnnotation of variable a1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1
    • Make classes org.jfree.experimental.chart.annotations.XYTitleAnnotation and org.jfree.data.statistics.HistogramBin extend a common superclass
    Type org.jfree.experimental.chart.annotations.XYTitleAnnotation of variable a2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    • Make classes org.jfree.experimental.chart.annotations.XYTitleAnnotation and org.jfree.data.statistics.HistogramBin extend a common superclass
    8
    assertTrue(b1.getClass() == b2.getClass());
    8
    assertTrue(a1.equals(a2));
    8
    assertTrue(a1.equals(a2));
    9
    assertTrue(b1.equals(b2));
    Differences
    Expression1Expression2Difference
    a2b2VARIABLE_NAME_MISMATCH
    org.jfree.experimental.chart.annotations.XYTitleAnnotationorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    a1b1VARIABLE_NAME_MISMATCH
    org.jfree.experimental.chart.annotations.XYTitleAnnotationorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.experimental.chart.annotations.XYTitleAnnotation of variable a2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    • Make classes org.jfree.experimental.chart.annotations.XYTitleAnnotation and org.jfree.data.statistics.HistogramBin extend a common superclass
    Type org.jfree.experimental.chart.annotations.XYTitleAnnotation of variable a1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1
    • Make classes org.jfree.experimental.chart.annotations.XYTitleAnnotation and org.jfree.data.statistics.HistogramBin extend a common superclass
    9
    assertTrue(b1.equals(b2));
    Precondition Violations (18)
    Row Violation
    1Unmatched statement TextTitle t=new TextTitle("Title"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement XYTitleAnnotation a1=new XYTitleAnnotation(1.0,2.0,t); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched 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
    4Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    6Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    7Expression e cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    10Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    11Unmatched statement a2=(XYTitleAnnotation)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
    12Unmatched 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
    13Type org.jfree.experimental.chart.annotations.XYTitleAnnotation of variable a1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1
    14Type org.jfree.experimental.chart.annotations.XYTitleAnnotation of variable a2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    15Type org.jfree.experimental.chart.annotations.XYTitleAnnotation of variable a1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1
    16Type org.jfree.experimental.chart.annotations.XYTitleAnnotation of variable a2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    17Type org.jfree.experimental.chart.annotations.XYTitleAnnotation of variable a2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    18Type org.jfree.experimental.chart.annotations.XYTitleAnnotation of variable a1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1