LineNeedle n1 = new LineNeedle(); LineNeedle n2 = null; try { n2 = (LineNeedle) n1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); System.err.println("Failed to clone."); } assertTrue(n1 != n2); assertTrue(n1.getClass() == n2.getClass()); assertTrue(n1.equals(n2));
ColorPalette p1 = new GreyPalette(); ColorPalette p2 = null; try { p2 = (ColorPalette) p1.clone(); } catch (CloneNotSupportedException e) { System.err.println("Failed to clone."); } assertTrue(p1 != p2); assertTrue(p1.getClass() == p2.getClass()); assertTrue(p1.equals(p2));
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/needle/junit/LineNeedleTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/plot/junit/ColorPaletteTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 7
1
LineNeedle n1 = new LineNeedle();
1
ColorPalette p1 = new GreyPalette();
2
        LineNeedle n2 = null;
2
        ColorPalette p2 = null;
3
        try {
3
        try {
4
            n2 = (LineNeedle) n1.clone();
4
            p2 = (ColorPalette) p1.clone();
5
        }
5
        }
6
        catch (CloneNotSupportedException e) {
6
        catch (CloneNotSupportedException e) {
7
            e.printStackTrace();
8
            System.err.println("Failed to clone.");
7
            System.err.println("Failed to clone.");
9
        }
8
        }
10
        assertTrue(n1 != n2);
9
        assertTrue(p1 != p2);
11
        assertTrue(n1.getClass() == n2.getClass());
10
        assertTrue(p1.getClass() == p2.getClass());
12
        assertTrue(n1.equals(n2));
11
        assertTrue(p1.equals(p2));
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 comparisons26
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements3
    Number of unmapped statements in the first code fragment4
    Number of unmapped statements in the second code fragment4
    Time elapsed for statement mapping (ms)3.1
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
                                                                              
    1
    ColorPalette p1 = new GreyPalette();
    Preondition Violations
    Unmatched statement ColorPalette p1=new GreyPalette(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    ColorPalette p1 = new GreyPalette();
    1
    LineNeedle n1 = new LineNeedle();
                                                                        
                                                    
    2
    ColorPalette p2 = null;
    2
    LineNeedle n2 = null;
                                                
                
    3
    try
                                                                  
    4
    p2 = (ColorPalette)p1.clone();
    3
    try
                
    4
    n2 = (LineNeedle)n1.clone();
                                                              
    5
    assertTrue(n1 != n2);
    5
    assertTrue(n1 != n2);
    5
    assertTrue(p1 != p2);
    Differences
    Expression1Expression2Difference
    n1p1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LineNeedleorg.jfree.chart.plot.ColorPaletteVARIABLE_TYPE_MISMATCH
    n2p2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LineNeedleorg.jfree.chart.plot.ColorPaletteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.LineNeedle of variable n1 does not match with type org.jfree.chart.plot.ColorPalette of variable p1
    • Make classes org.jfree.chart.needle.LineNeedle and org.jfree.chart.plot.ColorPalette extend a common superclass
    Type org.jfree.chart.needle.LineNeedle of variable n2 does not match with type org.jfree.chart.plot.ColorPalette of variable p2
    • Make classes org.jfree.chart.needle.LineNeedle and org.jfree.chart.plot.ColorPalette extend a common superclass
    5
    assertTrue(p1 != p2);
    6
    assertTrue(n1.getClass() == n2.getClass());
    6
    assertTrue(n1.getClass() == n2.getClass());
    6
    assertTrue(p1.getClass() == p2.getClass());
    Differences
    Expression1Expression2Difference
    n1p1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LineNeedleorg.jfree.chart.plot.ColorPaletteVARIABLE_TYPE_MISMATCH
    n2p2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LineNeedleorg.jfree.chart.plot.ColorPaletteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.LineNeedle of variable n1 does not match with type org.jfree.chart.plot.ColorPalette of variable p1
    • Make classes org.jfree.chart.needle.LineNeedle and org.jfree.chart.plot.ColorPalette extend a common superclass
    Type org.jfree.chart.needle.LineNeedle of variable n2 does not match with type org.jfree.chart.plot.ColorPalette of variable p2
    • Make classes org.jfree.chart.needle.LineNeedle and org.jfree.chart.plot.ColorPalette extend a common superclass
    6
    assertTrue(p1.getClass() == p2.getClass());
    7
    assertTrue(n1.equals(n2));
    7
    assertTrue(n1.equals(n2));
    7
    assertTrue(p1.equals(p2));
    Differences
    Expression1Expression2Difference
    n2p2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LineNeedleorg.jfree.chart.plot.ColorPaletteVARIABLE_TYPE_MISMATCH
    n1p1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LineNeedleorg.jfree.chart.plot.ColorPaletteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.LineNeedle of variable n2 does not match with type org.jfree.chart.plot.ColorPalette of variable p2
    • Make classes org.jfree.chart.needle.LineNeedle and org.jfree.chart.plot.ColorPalette extend a common superclass
    Type org.jfree.chart.needle.LineNeedle of variable n1 does not match with type org.jfree.chart.plot.ColorPalette of variable p1
    • Make classes org.jfree.chart.needle.LineNeedle and org.jfree.chart.plot.ColorPalette extend a common superclass
    7
    assertTrue(p1.equals(p2));
    Precondition Violations (7)
    Row Violation
    1Unmatched statement ColorPalette p1=new GreyPalette(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Type org.jfree.chart.needle.LineNeedle of variable n1 does not match with type org.jfree.chart.plot.ColorPalette of variable p1
    3Type org.jfree.chart.needle.LineNeedle of variable n2 does not match with type org.jfree.chart.plot.ColorPalette of variable p2
    4Type org.jfree.chart.needle.LineNeedle of variable n1 does not match with type org.jfree.chart.plot.ColorPalette of variable p1
    5Type org.jfree.chart.needle.LineNeedle of variable n2 does not match with type org.jfree.chart.plot.ColorPalette of variable p2
    6Type org.jfree.chart.needle.LineNeedle of variable n2 does not match with type org.jfree.chart.plot.ColorPalette of variable p2
    7Type org.jfree.chart.needle.LineNeedle of variable n1 does not match with type org.jfree.chart.plot.ColorPalette of variable p1