XYSeriesCollection dataset = null; assertTrue(DatasetUtilities.isEmptyOrNull(dataset)); dataset = new XYSeriesCollection(); assertTrue(DatasetUtilities.isEmptyOrNull(dataset)); XYSeries s1 = new XYSeries("S1"); dataset.addSeries(s1); assertTrue(DatasetUtilities.isEmptyOrNull(dataset)); s1.add(1.0, 2.0); assertFalse(DatasetUtilities.isEmptyOrNull(dataset)); s1.clear(); assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
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/DatasetUtilitiesTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/junit/DefaultKeyedValueTests.java
Method name: void testIsEmptyOrNullXYDataset() Method name: void testCloning()
Number of AST nodes: 11 Number of AST nodes: 9
1
XYSeriesCollection dataset = null;
2
        assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
3
        dataset = new XYSeriesCollecti
1
DefaultKeyedValue v1 = new DefaultKeyedValue("Test", new Double(45.5));
2
        DefaultKeyedValue v2 = null;
3
        try {
4
on();
4
            v2 = (DefaultKeyedValue) v1.clone();
5
        assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
5
        
6
        XYSeries s1 = new XYSeries("S1");
7
        dataset.addSeries(s1);
8
        assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
9
        s1.add(1.0, 2.0);
10
        assertFalse(DatasetUtilities.isEmptyOrNull(dataset));
11
        s1.clear();
12
        assertTrue(DatasetUtilities.isEmptyOrNull(dataset
6
}
7
        catch (CloneNotSupportedException e) {
8
            System.err.println("Failed to clone.");
9
        }
10
        assertTrue(v1 != v2);
11
        assertTrue(v1.getClass() == v2.getClass());
12
        assertTrue(v1.equals(v2));
13
        
14
        // confirm that the clone is independent of the original
15
        v2.setValue(new Double(12.3));
13
));
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)0.0
Clones locationClones are in different classes having the same super class
Number of node comparisons65
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements5
    Number of unmapped statements in the first code fragment6
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)0.0
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
                                                                                                                                                  
    1
    DefaultKeyedValue v1 = new DefaultKeyedValue("Test", new Double(45.5));
    Preondition Violations
    Unmatched statement DefaultKeyedValue v1=new DefaultKeyedValue("Test",new Double(45.5)); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    DefaultKeyedValue v1 = new DefaultKeyedValue("Test", new Double(45.5));
    1
    XYSeriesCollection dataset = null;
    1
    XYSeriesCollection dataset = null;
    2
    DefaultKeyedValue v2 = null;
    Differences
    Expression1Expression2Difference
    org.jfree.data.xy.XYSeriesCollectionorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    datasetv2VARIABLE_NAME_MISMATCH
    org.jfree.data.xy.XYSeriesCollectionorg.jfree.data.DefaultKeyedValueSUBCLASS_TYPE_MISMATCH
    2
    DefaultKeyedValue v2 = null;
    2
    assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
    2
    assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
    6
    assertTrue(v1.getClass() == v2.getClass());
    Differences
    Expression1Expression2Difference
    DatasetUtilities.isEmptyOrNull(dataset)v1.getClass() == v2.getClass()TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression DatasetUtilities.isEmptyOrNull(dataset) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression v1.getClass() == v2.getClass() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    assertTrue(v1.getClass() == v2.getClass());
    3
    dataset = new XYSeriesCollection();
    3
    dataset = new XYSeriesCollection();
    Preondition Violations
    Unmatched statement dataset=new XYSeriesCollection(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                            
    4
    assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
    4
    assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
    5
    assertTrue(v1 != v2);
    Differences
    Expression1Expression2Difference
    DatasetUtilities.isEmptyOrNull(dataset)v1 != v2TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression DatasetUtilities.isEmptyOrNull(dataset) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression v1 != v2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5
    assertTrue(v1 != v2);
    5
    XYSeries s1 = new XYSeries("S1");
    5
    XYSeries s1 = new XYSeries("S1");
    Preondition Violations
    Unmatched statement XYSeries s1=new XYSeries("S1"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                        
    6
    dataset.addSeries(s1);
    6
    dataset.addSeries(s1);
    Preondition Violations
    Unmatched statement dataset.addSeries(s1); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                      
    7
    assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
    7
    assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
    7
    assertTrue(v1.equals(v2));
    Differences
    Expression1Expression2Difference
    DatasetUtilities.isEmptyOrNull(dataset)v1.equals(v2)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression DatasetUtilities.isEmptyOrNull(dataset) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression v1.equals(v2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7
    assertTrue(v1.equals(v2));
                                                                      
    8
    v2.setValue(new Double(12.3));
    Preondition Violations
    Unmatched statement v2.setValue(new Double(12.3)); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    8
    v2.setValue(new Double(12.3));
    8
    s1.add(1.0, 2.0);
    8
    s1.add(1.0, 2.0);
    Preondition Violations
    Unmatched statement s1.add(1.0,2.0); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                          
    9
    assertFalse(DatasetUtilities.isEmptyOrNull(dataset));
    9
    assertFalse(DatasetUtilities.isEmptyOrNull(dataset));
    9
    assertFalse(v1.equals(v2));
    Differences
    Expression1Expression2Difference
    DatasetUtilities.isEmptyOrNull(dataset)v1.equals(v2)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression DatasetUtilities.isEmptyOrNull(dataset) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression v1.equals(v2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9
    assertFalse(v1.equals(v2));
    10
    s1.clear();
    10
    s1.clear();
    Preondition Violations
    Unmatched statement s1.clear(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                  
    11
    assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
                                                                                                                    
    Precondition Violations (16)
    Row Violation
    1Unmatched statement DefaultKeyedValue v1=new DefaultKeyedValue("Test",new Double(45.5)); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Expression DatasetUtilities.isEmptyOrNull(dataset) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression v1.getClass() == v2.getClass() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Unmatched statement dataset=new XYSeriesCollection(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    5Expression DatasetUtilities.isEmptyOrNull(dataset) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression v1 != v2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Unmatched statement XYSeries s1=new XYSeries("S1"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    8Unmatched statement dataset.addSeries(s1); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    9Expression DatasetUtilities.isEmptyOrNull(dataset) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression v1.equals(v2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Unmatched statement v2.setValue(new Double(12.3)); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    12Unmatched statement s1.add(1.0,2.0); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    13Expression DatasetUtilities.isEmptyOrNull(dataset) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    14Expression v1.equals(v2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    15Unmatched statement s1.clear(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    16Clone fragment #1 returns variable dataset with type org.jfree.data.xy.XYSeriesCollection , while Clone fragment #2 returns variable v2 with type org.jfree.data.DefaultKeyedValue