LevelRenderer r1 = new LevelRenderer(); r1.setItemMargin(0.123); r1.setMaximumItemWidth(0.234); LevelRenderer r2 = null; try { r2 = (LevelRenderer) r1.clone(); } catch (CloneNotSupportedException e) { System.err.println("Failed to clone."); } assertTrue(r1 != r2); assertTrue(r1.getClass() == r2.getClass()); assertTrue(r1.equals(r2)); assertTrue(checkIndependence(r1, r2));
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));
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/renderer/category/junit/LevelRendererTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/general/junit/DatasetUtilitiesTests.java
Method name: void testCloning() Method name: void testIsEmptyOrNullXYDataset()
Number of AST nodes: 10 Number of AST nodes: 11
1
LevelRenderer r1 = new LevelRenderer();
2
        r1.setItemMargin(0.123);
3
        r1.setMaximumItemWidth(0.234);
4
        LevelRenderer r2 = null;
5
        try {
6
            r2 = (LevelRenderer) r1.clone();
7
        }
8
        catch (CloneNotSupportedException e) {
9
            System.err.println("Failed to clone.");
10
        }
11
        assertTrue(r1 != r2);
12
        assertTrue(r1.getClass() == r2.getClass());
13
        assertTrue(r1.equals(r2)
1
XYSeriesCollection dataset = null;
2
        assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
3
        dataset = new XYSeriesCollection();
4
        assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
5
        XYSeries s1 = new XYSeries("S1");
6
        dataset.addSeries(s1);
7
        assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
8
        s1.add(1.0, 2.0);
9
        assertFalse(DatasetUtilities.isEmptyOrNull(dataset));
14
);
10
        s1.clear();
15
        assertTrue(checkIndependence(r1, r2));
11
        assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
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 comparisons79
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements5
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment6
    Time elapsed for statement mapping (ms)0.0
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    LevelRenderer r1 = new LevelRenderer();
    1
    LevelRenderer r1 = new LevelRenderer();
    1
    XYSeriesCollection dataset = null;
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.category.LevelRendererorg.jfree.data.xy.XYSeriesCollectionSUBCLASS_TYPE_MISMATCH
    r1datasetVARIABLE_NAME_MISMATCH
    org.jfree.chart.renderer.category.LevelRendererorg.jfree.data.xy.XYSeriesCollectionSUBCLASS_TYPE_MISMATCH
    new LevelRenderer()nullTYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression new LevelRenderer() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    1
    XYSeriesCollection dataset = null;
    2
    r1.setItemMargin(0.123);
    2
    r1.setItemMargin(0.123);
    Preondition Violations
    Unmatched statement r1.setItemMargin(0.123); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                          
                                                                            
    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
    3
    dataset = new XYSeriesCollection();
    3
    r1.setMaximumItemWidth(0.234);
    3
    r1.setMaximumItemWidth(0.234);
    Preondition Violations
    Unmatched statement r1.setMaximumItemWidth(0.234); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                      
    4
    LevelRenderer r2 = null;
                                                      
    7
    assertTrue(r1 != r2);
    7
    assertTrue(r1 != r2);
    4
    assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
    Differences
    Expression1Expression2Difference
    r1 != r2DatasetUtilities.isEmptyOrNull(dataset)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression r1 != r2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression DatasetUtilities.isEmptyOrNull(dataset) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4
    assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
    8
    assertTrue(r1.getClass() == r2.getClass());
    8
    assertTrue(r1.getClass() == r2.getClass());
    2
    assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
    Differences
    Expression1Expression2Difference
    r1.getClass() == r2.getClass()DatasetUtilities.isEmptyOrNull(dataset)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression r1.getClass() == r2.getClass() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression DatasetUtilities.isEmptyOrNull(dataset) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2
    assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
                                                                        
    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
    5
    XYSeries s1 = new XYSeries("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
    6
    dataset.addSeries(s1);
    9
    assertTrue(r1.equals(r2));
    9
    assertTrue(r1.equals(r2));
    7
    assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
    Differences
    Expression1Expression2Difference
    r1.equals(r2)DatasetUtilities.isEmptyOrNull(dataset)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression r1.equals(r2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression DatasetUtilities.isEmptyOrNull(dataset) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7
    assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
                                          
    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
    8
    s1.add(1.0, 2.0);
                                                                                                                    
    9
    assertFalse(DatasetUtilities.isEmptyOrNull(dataset));
                                  
    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
    10
    s1.clear();
    10
    assertTrue(checkIndependence(r1, r2));
    10
    assertTrue(checkIndependence(r1, r2));
    11
    assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
    Differences
    Expression1Expression2Difference
    checkIndependence(r1,r2)DatasetUtilities.isEmptyOrNull(dataset)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression checkIndependence(r1,r2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method checkIndependence
    Expression DatasetUtilities.isEmptyOrNull(dataset) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11
    assertTrue(DatasetUtilities.isEmptyOrNull(dataset));
    Precondition Violations (17)
    Row Violation
    1Expression new LevelRenderer() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Unmatched statement r1.setItemMargin(0.123); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Unmatched statement dataset=new XYSeriesCollection(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    4Unmatched statement r1.setMaximumItemWidth(0.234); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    5Expression r1 != r2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression DatasetUtilities.isEmptyOrNull(dataset) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression r1.getClass() == r2.getClass() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression DatasetUtilities.isEmptyOrNull(dataset) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Unmatched statement XYSeries s1=new XYSeries("S1"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    10Unmatched statement dataset.addSeries(s1); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    11Expression r1.equals(r2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    12Expression DatasetUtilities.isEmptyOrNull(dataset) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Unmatched 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
    14Unmatched statement s1.clear(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    15Expression checkIndependence(r1,r2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    16Expression DatasetUtilities.isEmptyOrNull(dataset) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    17Clone fragment #1 returns variable r1 with type org.jfree.chart.renderer.category.LevelRenderer , while Clone fragment #2 returns variable dataset with type org.jfree.data.xy.XYSeriesCollection