DefaultKeyedValueDataset d1 = new DefaultKeyedValueDataset("Test", new Double(45.5)); DefaultKeyedValueDataset d2 = null; try { d2 = (DefaultKeyedValueDataset) d1.clone(); } catch (CloneNotSupportedException e) { System.err.println("Failed to clone."); } assertTrue(d1 != d2); assertTrue(d1.getClass() == d2.getClass()); assertTrue(d1.equals(d2));
XYDataItem i1 = new XYDataItem(1.0, 1.1); XYDataItem i2 = null; try { i2 = (XYDataItem) i1.clone(); } catch (CloneNotSupportedException e) { System.err.println("XYDataItemTests.testCloning: failed to clone."); } assertTrue(i1 != i2); assertTrue(i1.getClass() == i2.getClass()); assertTrue(i1.equals(i2));
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/data/general/junit/DefaultKeyedValueDatasetTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/xy/junit/XYDataItemTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 7
1
DefaultKeyedValueDataset d1 
2
            = new DefaultKeyedValueDataset("Test", new Double(45.5));
3
        DefaultKeyedValueDataset d
1
XYDataItem i1 = new XYDataItem(1.0, 1.1);
4
2 = null;
2
        XYDataItem i2 = null;
5
        try {
3
        try {
6
            d2 = (DefaultKeyedValueDataset) d1.clone();
4
            i2 = (XYDataItem) i1.clone();
7
        }
5
        }
8
        catch (CloneNotSupportedException e) {
6
        catch (CloneNotSupportedException e) {
9
            System.err.println("Failed to clone.");
7
            System.err.println("XYDataItemTests.testCloning: failed to clone.");
10
        }
8
        }
11
        assertTrue(d1 != d2);
9
        assertTrue(i1 != i2);
12
        assertTrue(d1.getClass() == d2.getClass());
10
        assertTrue(i1.getClass() == i2.getClass());
13
        assertTrue(d1.equals(d2));
11
        assertTrue(i1.equals(i2));
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 comparisons29
  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 fragment3
    Time elapsed for statement mapping (ms)3.9
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                      
    1
    XYDataItem i1 = new XYDataItem(1.0, 1.1);
    Preondition Violations
    Unmatched statement XYDataItem i1=new XYDataItem(1.0,1.1); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    XYDataItem i1 = new XYDataItem(1.0, 1.1);
    1
    DefaultKeyedValueDataset d1 = new DefaultKeyedValueDataset("Test", new Double(45.5));
    1
    DefaultKeyedValueDataset d1 = new DefaultKeyedValueDataset("Test", new Double(45.5));
    Preondition Violations
    Unmatched statement DefaultKeyedValueDataset d1=new DefaultKeyedValueDataset("Test",new Double(45.5)); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                                                                                                              
                                                
    2
    XYDataItem i2 = null;
    2
    DefaultKeyedValueDataset d2 = null;
                                                                            
    3
    try
    3
    try
    3
    try
    Differences
    Expression1Expression2Difference
    "Failed to clone.""XYDataItemTests.testCloning: failed to clone."LITERAL_VALUE_MISMATCH
    3
    try
                                                              
    4
    i2 = (XYDataItem)i1.clone();
    Preondition Violations
    Unmatched statement i2=(XYDataItem)i1.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
    4
    i2 = (XYDataItem)i1.clone();
    4
    d2 = (DefaultKeyedValueDataset)d1.clone();
    4
    d2 = (DefaultKeyedValueDataset)d1.clone();
    Preondition Violations
    Unmatched statement d2=(DefaultKeyedValueDataset)d1.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
                                                                                          
    5
    assertTrue(d1 != d2);
    5
    assertTrue(d1 != d2);
    5
    assertTrue(i1 != i2);
    Differences
    Expression1Expression2Difference
    d1i1VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultKeyedValueDatasetorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    d2i2VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultKeyedValueDatasetorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.general.DefaultKeyedValueDataset of variable d1 does not match with type org.jfree.data.xy.XYDataItem of variable i1
    • Make classes org.jfree.data.general.DefaultKeyedValueDataset and org.jfree.data.xy.XYDataItem extend a common superclass
    Type org.jfree.data.general.DefaultKeyedValueDataset of variable d2 does not match with type org.jfree.data.xy.XYDataItem of variable i2
    • Make classes org.jfree.data.general.DefaultKeyedValueDataset and org.jfree.data.xy.XYDataItem extend a common superclass
    5
    assertTrue(i1 != i2);
    6
    assertTrue(d1.getClass() == d2.getClass());
    6
    assertTrue(d1.getClass() == d2.getClass());
    6
    assertTrue(i1.getClass() == i2.getClass());
    Differences
    Expression1Expression2Difference
    d1i1VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultKeyedValueDatasetorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    d2i2VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultKeyedValueDatasetorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.general.DefaultKeyedValueDataset of variable d1 does not match with type org.jfree.data.xy.XYDataItem of variable i1
    • Make classes org.jfree.data.general.DefaultKeyedValueDataset and org.jfree.data.xy.XYDataItem extend a common superclass
    Type org.jfree.data.general.DefaultKeyedValueDataset of variable d2 does not match with type org.jfree.data.xy.XYDataItem of variable i2
    • Make classes org.jfree.data.general.DefaultKeyedValueDataset and org.jfree.data.xy.XYDataItem extend a common superclass
    6
    assertTrue(i1.getClass() == i2.getClass());
    7
    assertTrue(d1.equals(d2));
    7
    assertTrue(d1.equals(d2));
    7
    assertTrue(i1.equals(i2));
    Differences
    Expression1Expression2Difference
    d2i2VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultKeyedValueDatasetorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    d1i1VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DefaultKeyedValueDatasetorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.general.DefaultKeyedValueDataset of variable d2 does not match with type org.jfree.data.xy.XYDataItem of variable i2
    • Make classes org.jfree.data.general.DefaultKeyedValueDataset and org.jfree.data.xy.XYDataItem extend a common superclass
    Type org.jfree.data.general.DefaultKeyedValueDataset of variable d1 does not match with type org.jfree.data.xy.XYDataItem of variable i1
    • Make classes org.jfree.data.general.DefaultKeyedValueDataset and org.jfree.data.xy.XYDataItem extend a common superclass
    7
    assertTrue(i1.equals(i2));
    Precondition Violations (10)
    Row Violation
    1Unmatched statement XYDataItem i1=new XYDataItem(1.0,1.1); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement DefaultKeyedValueDataset d1=new DefaultKeyedValueDataset("Test",new Double(45.5)); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement i2=(XYDataItem)i1.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 d2=(DefaultKeyedValueDataset)d1.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.data.general.DefaultKeyedValueDataset of variable d1 does not match with type org.jfree.data.xy.XYDataItem of variable i1
    6Type org.jfree.data.general.DefaultKeyedValueDataset of variable d2 does not match with type org.jfree.data.xy.XYDataItem of variable i2
    7Type org.jfree.data.general.DefaultKeyedValueDataset of variable d1 does not match with type org.jfree.data.xy.XYDataItem of variable i1
    8Type org.jfree.data.general.DefaultKeyedValueDataset of variable d2 does not match with type org.jfree.data.xy.XYDataItem of variable i2
    9Type org.jfree.data.general.DefaultKeyedValueDataset of variable d2 does not match with type org.jfree.data.xy.XYDataItem of variable i2
    10Type org.jfree.data.general.DefaultKeyedValueDataset of variable d1 does not match with type org.jfree.data.xy.XYDataItem of variable i1