DefaultKeyedValues2DDataset d1 = new DefaultKeyedValues2DDataset(); d1.setValue(new Integer(1), "V1", "C1"); d1.setValue(null, "V2", "C1"); d1.setValue(new Integer(3), "V3", "C2"); DefaultKeyedValues2DDataset d2 = null; try { d2 = (DefaultKeyedValues2DDataset) 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/DefaultKeyedValues2DDatasetTests.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
DefaultKeyedValues2DDataset d1 = new DefaultKeyedValues2DDataset();
1
DefaultKeyedValue v1 = new DefaultKeyedValue
2
        d1.setValue(new Integer(1), "V1", "C1");
3
        d1.setValue(null, "V2", "C1");
4
        d1.setValue(new Integer(3), "V3", "C2");
2
("Test", new Double(45.5));
5
        DefaultKeyedValues2DDataset d2 = null;
3
        DefaultKeyedValue v2 = null;
6
        try {
4
        try {
7
            d2 = (DefaultKeyedValues2DDataset) 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(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
1.equals(d2));
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)40.6
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    DefaultKeyedValues2DDataset d1 = new DefaultKeyedValues2DDataset();
    1
    DefaultKeyedValues2DDataset d1 = new DefaultKeyedValues2DDataset();
    2
    DefaultKeyedValue v2 = null;
    Differences
    Expression1Expression2Difference
    org.jfree.data.general.DefaultKeyedValues2DDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    d1v2VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultKeyedValues2DDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    new DefaultKeyedValues2DDataset()nullTYPE_COMPATIBLE_REPLACEMENT
    2
    DefaultKeyedValue v2 = null;
    2
    d1.setValue(new Integer(1), "V1", "C1");
    2
    d1.setValue(new Integer(1), "V1", "C1");
    Preondition Violations
    Unmatched statement d1.setValue(new Integer(1),"V1","C1"); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                                      
    3
    d1.setValue(null, "V2", "C1");
    3
    d1.setValue(null, "V2", "C1");
    Preondition Violations
    Unmatched statement d1.setValue(null,"V2","C1"); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                  
    4
    d1.setValue(new Integer(3), "V3", "C2");
    4
    d1.setValue(new Integer(3), "V3", "C2");
    8
    v2.setValue(new Double(12.3));
    Differences
    Expression1Expression2Difference
    d1v2VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultKeyedValues2DDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    d1.setValue(new Integer(3),"V3","C2")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(java.lang.Number, Comparable#RAW, Comparable#RAW) , public synchronized void setValue(java.lang.Number)
    Expression d1.setValue(new Integer(3),"V3","C2") 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(new Integer(3),"V3","C2") 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
    DefaultKeyedValues2DDataset d2 = null;
    5
    DefaultKeyedValues2DDataset d2 = null;
    1
    DefaultKeyedValue v1 = new DefaultKeyedValue("Test", new Double(45.5));
    Differences
    Expression1Expression2Difference
    org.jfree.data.general.DefaultKeyedValues2DDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    d2v1VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultKeyedValues2DDatasetorg.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 = (DefaultKeyedValues2DDataset)d1.clone();
    7
    d2 = (DefaultKeyedValues2DDataset)d1.clone();
    4
    v2 = (DefaultKeyedValue)v1.clone();
    Differences
    Expression1Expression2Difference
    d2v2VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultKeyedValues2DDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    org.jfree.data.general.DefaultKeyedValues2DDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    d1v1VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultKeyedValues2DDatasetorg.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 (DefaultKeyedValues2DDataset)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.DefaultKeyedValues2DDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    d2v2VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultKeyedValues2DDatasetorg.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.DefaultKeyedValues2DDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    d2v2VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultKeyedValues2DDatasetorg.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.DefaultKeyedValues2DDatasetorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    d1v1VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultKeyedValues2DDatasetorg.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 (33)
    Row Violation
    1Unmatched statement d1.setValue(new Integer(1),"V1","C1"); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Unmatched statement d1.setValue(null,"V2","C1"); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Expression d1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression v2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression d1 cannot be unified with expression v2 , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public void setValue(java.lang.Number, Comparable#RAW, Comparable#RAW) , public synchronized void setValue(java.lang.Number)
    6Expression d1.setValue(new Integer(3),"V3","C2") cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression v2.setValue(new Double(12.3)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression d1.setValue(new Integer(3),"V3","C2") is a void method call, and thus it cannot be parameterized
    9Expression v2.setValue(new Double(12.3)) is a void method call, and thus it cannot be parameterized
    10Expression new DefaultKeyedValue("Test",new Double(45.5)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Expression d2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    12Expression v2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Expression (DefaultKeyedValues2DDataset)d1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    14Expression (DefaultKeyedValue)v1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    15Expression d1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    16Expression v1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    17Expression d1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    18Expression v1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    19Expression d2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    20Expression v2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    21Expression d1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    22Expression v1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    23Expression d2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    24Expression v2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    25Expression d2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    26Expression v2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    27Expression 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)
    28Expression 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)
    29Expression d1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    30Expression v1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    31Expression 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)
    32Unmatched 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
    33Clone fragment #1 returns variables , while Clone fragment #2 returns variables v1, v2