DefaultPieDataset d1 = new DefaultPieDataset(); d1.setValue("V1", new Integer(1)); d1.setValue("V2", null); d1.setValue("V3", new Integer(3)); DefaultPieDataset d2 = null; try { d2 = (DefaultPieDataset) d1.clone(); } catch (CloneNotSupportedException e) { System.err.println("Failed to clone."); } assertTrue(d1 != d2); assertTrue(d1.getClass() == d2.getClass()); assertTrue(d1.equals(d2));
DefaultKeyedValue v1 = new DefaultKeyedValue("Test", new Double(45.5)); DefaultKeyedValue v2 = null; try { v2 = (DefaultKeyedValue) v1.clone(); } catch (CloneNotSupportedException e) { System.err.println("Failed to clone."); } assertTrue(v1 != v2); assertTrue(v1.getClass() == v2.getClass()); assertTrue(v1.equals(v2)); // confirm that the clone is independent of the original v2.setValue(new Double(12.3)); assertFalse(v1.equals(v2));
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/data/general/junit/DefaultPieDatasetTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/junit/DefaultKeyedValueTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 10 Number of AST nodes: 9
1
DefaultPieDataset d1 = new DefaultPieDataset();
1
DefaultKeyedValue v1 = new Default
2
        d1.setValue("V1", new Integer(1));
3
        d1.setValue("V2", null);
4
        d1.setValue("V3", new Integer(3));
2
KeyedValue("Test", new Double(45.5));
5
        DefaultPieDataset d2 = null;
3
        DefaultKeyedValue v2 = null;
6
        try {
4
        try {
7
            d2 = (DefaultPieDataset) d1.clone();
5
            v2 = (DefaultKeyedValue) v1.clone();
8
        }
6
        }
9
        catch (CloneNotSupportedException e) {
7
        catch (CloneNotSupportedException e) {
10
            System.err.println("Failed to clone.");
8
            System.err.println("Failed to clone.");
11
        }
9
        }
12
        assertTrue(d1 != d2);
10
        assertTrue(v1 != v2);
13
        assertTrue(d1.getClass() == d2.getClass());
11
        assertTrue(v1.getClass() == v2.getClass());
14
        assertTrue(d1.equals(d
12
        assertTrue(v1.equals(v2));
13
        
14
        // confirm that the clone is independent of the original
15
        v2.setValue(new Double(12.3));
15
2));
16
        assertFalse(v1.equals(v2));
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 comparisons44
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements8
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)31.1
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    DefaultPieDataset d1 = new DefaultPieDataset();
    1
    DefaultPieDataset d1 = new DefaultPieDataset();
    2
    DefaultKeyedValue v2 = null;
    Differences
    Expression1Expression2Difference
    org.jfree.data.general.DefaultPieDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    d1v2VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultPieDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    new DefaultPieDataset()nullTYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression new DefaultPieDataset() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2
    DefaultKeyedValue v2 = null;
    2
    d1.setValue("V1", new Integer(1));
    2
    d1.setValue("V1", new Integer(1));
    Preondition Violations
    Unmatched statement d1.setValue("V1",new Integer(1)); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                            
    3
    d1.setValue("V2", null);
    3
    d1.setValue("V2", null);
    Preondition Violations
    Unmatched statement d1.setValue("V2",null); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                        
    4
    d1.setValue("V3", new Integer(3));
    4
    d1.setValue("V3", new Integer(3));
    8
    v2.setValue(new Double(12.3));
    Differences
    Expression1Expression2Difference
    d1v2VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultPieDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    d1.setValue("V3",new Integer(3))v2.setValue(new Double(12.3))ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression d1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression v2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression d1 cannot be unified with expression v2 , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public void setValue(Comparable#RAW, java.lang.Number) , public synchronized void setValue(java.lang.Number)
    Expression d1.setValue("V3",new Integer(3)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression v2.setValue(new Double(12.3)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression d1.setValue("V3",new Integer(3)) is a void method call, and thus it cannot be parameterized
    Expression v2.setValue(new Double(12.3)) is a void method call, and thus it cannot be parameterized
    8
    v2.setValue(new Double(12.3));
    5
    DefaultPieDataset d2 = null;
    5
    DefaultPieDataset d2 = null;
    1
    DefaultKeyedValue v1 = new DefaultKeyedValue("Test", new Double(45.5));
    Differences
    Expression1Expression2Difference
    org.jfree.data.general.DefaultPieDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    d2v1VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultPieDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    nullnew DefaultKeyedValue("Test",new Double(45.5))TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression new DefaultKeyedValue("Test",new Double(45.5)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    1
    DefaultKeyedValue v1 = new DefaultKeyedValue("Test", new Double(45.5));
    6
    try
    3
    try
    7
    d2 = (DefaultPieDataset)d1.clone();
    7
    d2 = (DefaultPieDataset)d1.clone();
    4
    v2 = (DefaultKeyedValue)v1.clone();
    Differences
    Expression1Expression2Difference
    d2v2VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultPieDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    org.jfree.data.general.DefaultPieDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    d1v1VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultPieDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression d2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression v2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (DefaultPieDataset)d1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (DefaultKeyedValue)v1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression d1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression v1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4
    v2 = (DefaultKeyedValue)v1.clone();
    8
    assertTrue(d1 != d2);
    8
    assertTrue(d1 != d2);
    5
    assertTrue(v1 != v2);
    Differences
    Expression1Expression2Difference
    d1v1VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultPieDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    d2v2VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultPieDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression d1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression v1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression d2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression v2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5
    assertTrue(v1 != v2);
    9
    assertTrue(d1.getClass() == d2.getClass());
    9
    assertTrue(d1.getClass() == d2.getClass());
    6
    assertTrue(v1.getClass() == v2.getClass());
    Differences
    Expression1Expression2Difference
    d1v1VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultPieDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    d2v2VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultPieDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression d1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression v1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression d2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression v2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    assertTrue(v1.getClass() == v2.getClass());
    10
    assertTrue(d1.equals(d2));
    10
    assertTrue(d1.equals(d2));
    7
    assertTrue(v1.equals(v2));
    Differences
    Expression1Expression2Difference
    d2v2VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultPieDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    d1v1VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultPieDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression d2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression v2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression d2 cannot be unified with expression v2 , because common superclass type org.jfree.util.PublicCloneable cannot be passed as an argument to public boolean equals(java.lang.Object)
    Expression d2 cannot be unified with expression v2 , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public boolean equals(java.lang.Object)
    Expression d1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression v1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression d1 cannot be unified with expression v1 , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public boolean equals(java.lang.Object)
    7
    assertTrue(v1.equals(v2));
                                                                
    9
    assertFalse(v1.equals(v2));
    Preondition Violations
    Unmatched statement assertFalse(v1.equals(v2)); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    9
    assertFalse(v1.equals(v2));
    Precondition Violations (34)
    Row Violation
    1Expression new DefaultPieDataset() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Unmatched statement d1.setValue("V1",new Integer(1)); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Unmatched statement d1.setValue("V2",null); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    4Expression d1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression v2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression d1 cannot be unified with expression v2 , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public void setValue(Comparable#RAW, java.lang.Number) , public synchronized void setValue(java.lang.Number)
    7Expression d1.setValue("V3",new Integer(3)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression v2.setValue(new Double(12.3)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression d1.setValue("V3",new Integer(3)) is a void method call, and thus it cannot be parameterized
    10Expression v2.setValue(new Double(12.3)) is a void method call, and thus it cannot be parameterized
    11Expression new DefaultKeyedValue("Test",new Double(45.5)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    12Expression d2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Expression v2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    14Expression (DefaultPieDataset)d1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    15Expression (DefaultKeyedValue)v1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    16Expression d1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    17Expression v1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    18Expression d1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    19Expression v1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    20Expression d2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    21Expression v2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    22Expression d1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    23Expression v1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    24Expression d2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    25Expression v2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    26Expression d2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    27Expression v2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    28Expression d2 cannot be unified with expression v2 , because common superclass type org.jfree.util.PublicCloneable cannot be passed as an argument to public boolean equals(java.lang.Object)
    29Expression d2 cannot be unified with expression v2 , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public boolean equals(java.lang.Object)
    30Expression d1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    31Expression v1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    32Expression d1 cannot be unified with expression v1 , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public boolean equals(java.lang.Object)
    33Unmatched statement assertFalse(v1.equals(v2)); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    34Clone fragment #1 returns variables , while Clone fragment #2 returns variables v1, v2