LegendItemEntity e1 = new LegendItemEntity(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0)); LegendItemEntity e2 = null; try { e2 = (LegendItemEntity) e1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(e1 != e2); assertTrue(e1.getClass() == e2.getClass()); assertTrue(e1.equals(e2));
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/entity/junit/LegendItemEntityTests.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
LegendItemEntity e1 = new LegendItemEntity(new Rectangle2D.Double(1.0, 
2
                2.0, 3.0, 4.0)); 
3
        LegendItemEntity e2 = null;
4
        
1
double start = 10.0;
2
        double end = 20.0;
3
        HistogramBin b1 = new HistogramBin(start, end);
4
        HistogramBin b2 = null;
5
        try {
5
        try {
6
            e2 = (LegendItemEntity) e1.clone();
6
            b2 = (HistogramBin) b1.clone();
7
        }
7
        }
8
        catch (CloneNotSupportedException e) {
8
        catch (CloneNotSupportedException e) {
9
            e.printStackTrace();
9
            System.err.println("Failed to clone.");
10
        }
10
        }
11
        assertTrue(e1 != e2);
11
        assertTrue(b1 != b2);
12
        assertTrue(e1.getClass() == e2.getClass());
12
        assertTrue(b1.getClass() == b2.getClass());
13
        assertTrue(e1.equals(e2));
13
        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 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)4.0
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
                                              
    1
    double start = 10.0;
    1
    LegendItemEntity e1 = new LegendItemEntity(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
                                                                                                                                                                              
                                          
    2
    double end = 20.0;
    2
    LegendItemEntity e2 = 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
    3
    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
    4
    e2 = (LegendItemEntity)e1.clone();
    4
    e2 = (LegendItemEntity)e1.clone();
    Preondition Violations
    Unmatched statement e2=(LegendItemEntity)e1.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(e1 != e2);
    5
    assertTrue(e1 != e2);
    7
    assertTrue(b1 != b2);
    Differences
    Expression1Expression2Difference
    e1b1VARIABLE_NAME_MISMATCH
    org.jfree.chart.entity.LegendItemEntityorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    e2b2VARIABLE_NAME_MISMATCH
    org.jfree.chart.entity.LegendItemEntityorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.entity.LegendItemEntity of variable e1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1
    • Make classes org.jfree.chart.entity.LegendItemEntity and org.jfree.data.statistics.HistogramBin extend a common superclass
    Type org.jfree.chart.entity.LegendItemEntity of variable e2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    • Make classes org.jfree.chart.entity.LegendItemEntity and org.jfree.data.statistics.HistogramBin extend a common superclass
    7
    assertTrue(b1 != b2);
    6
    assertTrue(e1.getClass() == e2.getClass());
    6
    assertTrue(e1.getClass() == e2.getClass());
    8
    assertTrue(b1.getClass() == b2.getClass());
    Differences
    Expression1Expression2Difference
    e1b1VARIABLE_NAME_MISMATCH
    org.jfree.chart.entity.LegendItemEntityorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    e2b2VARIABLE_NAME_MISMATCH
    org.jfree.chart.entity.LegendItemEntityorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.entity.LegendItemEntity of variable e1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1
    • Make classes org.jfree.chart.entity.LegendItemEntity and org.jfree.data.statistics.HistogramBin extend a common superclass
    Type org.jfree.chart.entity.LegendItemEntity of variable e2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    • Make classes org.jfree.chart.entity.LegendItemEntity and org.jfree.data.statistics.HistogramBin extend a common superclass
    8
    assertTrue(b1.getClass() == b2.getClass());
    7
    assertTrue(e1.equals(e2));
    7
    assertTrue(e1.equals(e2));
    9
    assertTrue(b1.equals(b2));
    Differences
    Expression1Expression2Difference
    e2b2VARIABLE_NAME_MISMATCH
    org.jfree.chart.entity.LegendItemEntityorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    e1b1VARIABLE_NAME_MISMATCH
    org.jfree.chart.entity.LegendItemEntityorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.entity.LegendItemEntity of variable e2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    • Make classes org.jfree.chart.entity.LegendItemEntity and org.jfree.data.statistics.HistogramBin extend a common superclass
    Type org.jfree.chart.entity.LegendItemEntity of variable e1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1
    • Make classes org.jfree.chart.entity.LegendItemEntity and org.jfree.data.statistics.HistogramBin extend a common superclass
    9
    assertTrue(b1.equals(b2));
    Precondition Violations (16)
    Row Violation
    1Unmatched 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
    2Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    4Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    5Expression e cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    8Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    9Unmatched statement e2=(LegendItemEntity)e1.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
    10Unmatched 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
    11Type org.jfree.chart.entity.LegendItemEntity of variable e1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1
    12Type org.jfree.chart.entity.LegendItemEntity of variable e2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    13Type org.jfree.chart.entity.LegendItemEntity of variable e1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1
    14Type org.jfree.chart.entity.LegendItemEntity of variable e2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    15Type org.jfree.chart.entity.LegendItemEntity of variable e2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    16Type org.jfree.chart.entity.LegendItemEntity of variable e1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1