ComparableObjectItem item1 = new ComparableObjectItem(new Integer(1), "XYZ"); ComparableObjectItem item2 = null; try { item2 = (ComparableObjectItem) item1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(item1 != item2); assertTrue(item1.getClass() == item2.getClass()); assertTrue(item1.equals(item2));
DefaultOHLCDataset d1 = new DefaultOHLCDataset("Series 1", new OHLCDataItem[0]); DefaultOHLCDataset d2 = null; try { d2 = (DefaultOHLCDataset) d1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(d1 != d2); assertTrue(d1.getClass() == d2.getClass()); assertTrue(d1.equals(d2));
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/data/junit/ComparableObjectItemTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/xy/junit/DefaultOHLCDatasetTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 7
1
ComparableObjectItem item1 = new ComparableObjectItem(new Integer(1), 
2
                "XYZ");
3
        ComparableObjectItem item
1
DefaultOHLCDataset d1 = new DefaultOHLCDataset("Series 1",
2
                new OHLCDataItem[0]);
4
2 = null;
3
        DefaultOHLCDataset d2 = null;
5
        try {
4
        try {
6
            item2 = (ComparableObjectItem) item1.clone();
5
            d2 = (DefaultOHLCDataset) d1.clone();
7
        }
6
        }
8
        catch (CloneNotSupportedException e) {
7
        catch (CloneNotSupportedException e) {
9
            e.printStackTrace();
8
            e.printStackTrace();
10
        }
9
        }
11
        assertTrue(item1 != item2);
10
        assertTrue(d1 != d2);
12
        assertTrue(item1.getClass() == item2.getClass());
11
        assertTrue(d1.getClass() == d2.getClass());
13
        assertTrue(item1.equals(item2));
12
        assertTrue(d1.equals(d2));
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)0.1
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)4.7
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                                                                                    
    1
    DefaultOHLCDataset d1 = new DefaultOHLCDataset("Series 1", new OHLCDataItem[0]);
    Preondition Violations
    Unmatched statement DefaultOHLCDataset d1=new DefaultOHLCDataset("Series 1",new OHLCDataItem[0]); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    DefaultOHLCDataset d1 = new DefaultOHLCDataset("Series 1", new OHLCDataItem[0]);
    1
    ComparableObjectItem item1 = new ComparableObjectItem(new Integer(1), "XYZ");
    1
    ComparableObjectItem item1 = new ComparableObjectItem(new Integer(1), "XYZ");
    Preondition Violations
    Unmatched statement ComparableObjectItem item1=new ComparableObjectItem(new Integer(1),"XYZ"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                                                                                              
                                                                
    2
    DefaultOHLCDataset d2 = null;
    2
    ComparableObjectItem item2 = null;
                                                                          
    3
    try
    3
    try
                                                                              
    4
    d2 = (DefaultOHLCDataset)d1.clone();
    Preondition Violations
    Unmatched statement d2=(DefaultOHLCDataset)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
    4
    d2 = (DefaultOHLCDataset)d1.clone();
    4
    item2 = (ComparableObjectItem)item1.clone();
    4
    item2 = (ComparableObjectItem)item1.clone();
    Preondition Violations
    Unmatched statement item2=(ComparableObjectItem)item1.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(item1 != item2);
    5
    assertTrue(item1 != item2);
    5
    assertTrue(d1 != d2);
    Differences
    Expression1Expression2Difference
    item1d1VARIABLE_NAME_MISMATCH
    org.jfree.data.ComparableObjectItemorg.jfree.data.xy.DefaultOHLCDatasetVARIABLE_TYPE_MISMATCH
    item2d2VARIABLE_NAME_MISMATCH
    org.jfree.data.ComparableObjectItemorg.jfree.data.xy.DefaultOHLCDatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.ComparableObjectItem of variable item1 does not match with type org.jfree.data.xy.DefaultOHLCDataset of variable d1
    • Make classes org.jfree.data.ComparableObjectItem and org.jfree.data.xy.DefaultOHLCDataset extend a common superclass
    Type org.jfree.data.ComparableObjectItem of variable item2 does not match with type org.jfree.data.xy.DefaultOHLCDataset of variable d2
    • Make classes org.jfree.data.ComparableObjectItem and org.jfree.data.xy.DefaultOHLCDataset extend a common superclass
    5
    assertTrue(d1 != d2);
    6
    assertTrue(item1.getClass() == item2.getClass());
    6
    assertTrue(item1.getClass() == item2.getClass());
    6
    assertTrue(d1.getClass() == d2.getClass());
    Differences
    Expression1Expression2Difference
    item1d1VARIABLE_NAME_MISMATCH
    org.jfree.data.ComparableObjectItemorg.jfree.data.xy.DefaultOHLCDatasetVARIABLE_TYPE_MISMATCH
    item2d2VARIABLE_NAME_MISMATCH
    org.jfree.data.ComparableObjectItemorg.jfree.data.xy.DefaultOHLCDatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.ComparableObjectItem of variable item1 does not match with type org.jfree.data.xy.DefaultOHLCDataset of variable d1
    • Make classes org.jfree.data.ComparableObjectItem and org.jfree.data.xy.DefaultOHLCDataset extend a common superclass
    Type org.jfree.data.ComparableObjectItem of variable item2 does not match with type org.jfree.data.xy.DefaultOHLCDataset of variable d2
    • Make classes org.jfree.data.ComparableObjectItem and org.jfree.data.xy.DefaultOHLCDataset extend a common superclass
    6
    assertTrue(d1.getClass() == d2.getClass());
    7
    assertTrue(item1.equals(item2));
    7
    assertTrue(item1.equals(item2));
    7
    assertTrue(d1.equals(d2));
    Differences
    Expression1Expression2Difference
    item2d2VARIABLE_NAME_MISMATCH
    org.jfree.data.ComparableObjectItemorg.jfree.data.xy.DefaultOHLCDatasetVARIABLE_TYPE_MISMATCH
    item1d1VARIABLE_NAME_MISMATCH
    org.jfree.data.ComparableObjectItemorg.jfree.data.xy.DefaultOHLCDatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.ComparableObjectItem of variable item2 does not match with type org.jfree.data.xy.DefaultOHLCDataset of variable d2
    • Make classes org.jfree.data.ComparableObjectItem and org.jfree.data.xy.DefaultOHLCDataset extend a common superclass
    Type org.jfree.data.ComparableObjectItem of variable item1 does not match with type org.jfree.data.xy.DefaultOHLCDataset of variable d1
    • Make classes org.jfree.data.ComparableObjectItem and org.jfree.data.xy.DefaultOHLCDataset extend a common superclass
    7
    assertTrue(d1.equals(d2));
    Precondition Violations (10)
    Row Violation
    1Unmatched statement DefaultOHLCDataset d1=new DefaultOHLCDataset("Series 1",new OHLCDataItem[0]); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement ComparableObjectItem item1=new ComparableObjectItem(new Integer(1),"XYZ"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement d2=(DefaultOHLCDataset)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
    4Unmatched statement item2=(ComparableObjectItem)item1.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.ComparableObjectItem of variable item1 does not match with type org.jfree.data.xy.DefaultOHLCDataset of variable d1
    6Type org.jfree.data.ComparableObjectItem of variable item2 does not match with type org.jfree.data.xy.DefaultOHLCDataset of variable d2
    7Type org.jfree.data.ComparableObjectItem of variable item1 does not match with type org.jfree.data.xy.DefaultOHLCDataset of variable d1
    8Type org.jfree.data.ComparableObjectItem of variable item2 does not match with type org.jfree.data.xy.DefaultOHLCDataset of variable d2
    9Type org.jfree.data.ComparableObjectItem of variable item2 does not match with type org.jfree.data.xy.DefaultOHLCDataset of variable d2
    10Type org.jfree.data.ComparableObjectItem of variable item1 does not match with type org.jfree.data.xy.DefaultOHLCDataset of variable d1