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));
FastScatterPlot p1 = new FastScatterPlot(); FastScatterPlot p2 = null; try { p2 = (FastScatterPlot) p1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); 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/FastScatterPlotTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 7
1
LineNeedle n1 = new LineNeedle();
2
        LineNeedle n
1
FastScatterPlot p1 = new FastScatterPlot();
3
2 = null;
2
        FastScatterPlot p2 = null;
4
        try {
3
        try {
5
            n2 = (LineNeedle) n1.clone();
4
            p2 = (FastScatterPlot) p1.clone();
6
        }
5
        }
7
        catch (CloneNotSupportedException e) {
6
        catch (CloneNotSupportedException e) {
8
            e.printStackTrace();
7
            e.printStackTrace();
9
            System.err.println("Failed to clone.");
8
            System.err.println("Failed to clone.");
10
        }
9
        }
11
        assertTrue(n1 != n2);
10
        assertTrue(p1 != p2);
12
        assertTrue(n1.getClass() == n2.getClass());
11
        assertTrue(p1.getClass() == p2.getClass());
13
        assertTrue(n1.equals(n2));
12
        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)0.2
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)4.5
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                            
    1
    FastScatterPlot p1 = new FastScatterPlot();
    Preondition Violations
    Unmatched statement FastScatterPlot p1=new FastScatterPlot(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    FastScatterPlot p1 = new FastScatterPlot();
    1
    LineNeedle n1 = new LineNeedle();
                                                                        
                                                          
    2
    FastScatterPlot p2 = null;
    2
    LineNeedle n2 = null;
                                                
    3
    try
    3
    try
                                                                        
    4
    p2 = (FastScatterPlot)p1.clone();
    Preondition Violations
    Unmatched statement p2=(FastScatterPlot)p1.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
    p2 = (FastScatterPlot)p1.clone();
    4
    n2 = (LineNeedle)n1.clone();
    4
    n2 = (LineNeedle)n1.clone();
    Preondition Violations
    Unmatched statement n2=(LineNeedle)n1.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(n1 != n2);
    5
    assertTrue(n1 != n2);
    5
    assertTrue(p1 != p2);
    Differences
    Expression1Expression2Difference
    n1p1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LineNeedleorg.jfree.chart.plot.FastScatterPlotVARIABLE_TYPE_MISMATCH
    n2p2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LineNeedleorg.jfree.chart.plot.FastScatterPlotVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.LineNeedle of variable n1 does not match with type org.jfree.chart.plot.FastScatterPlot of variable p1
    • Make classes org.jfree.chart.needle.LineNeedle and org.jfree.chart.plot.FastScatterPlot extend a common superclass
    Type org.jfree.chart.needle.LineNeedle of variable n2 does not match with type org.jfree.chart.plot.FastScatterPlot of variable p2
    • Make classes org.jfree.chart.needle.LineNeedle and org.jfree.chart.plot.FastScatterPlot 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.FastScatterPlotVARIABLE_TYPE_MISMATCH
    n2p2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LineNeedleorg.jfree.chart.plot.FastScatterPlotVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.LineNeedle of variable n1 does not match with type org.jfree.chart.plot.FastScatterPlot of variable p1
    • Make classes org.jfree.chart.needle.LineNeedle and org.jfree.chart.plot.FastScatterPlot extend a common superclass
    Type org.jfree.chart.needle.LineNeedle of variable n2 does not match with type org.jfree.chart.plot.FastScatterPlot of variable p2
    • Make classes org.jfree.chart.needle.LineNeedle and org.jfree.chart.plot.FastScatterPlot 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.FastScatterPlotVARIABLE_TYPE_MISMATCH
    n1p1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LineNeedleorg.jfree.chart.plot.FastScatterPlotVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.LineNeedle of variable n2 does not match with type org.jfree.chart.plot.FastScatterPlot of variable p2
    • Make classes org.jfree.chart.needle.LineNeedle and org.jfree.chart.plot.FastScatterPlot extend a common superclass
    Type org.jfree.chart.needle.LineNeedle of variable n1 does not match with type org.jfree.chart.plot.FastScatterPlot of variable p1
    • Make classes org.jfree.chart.needle.LineNeedle and org.jfree.chart.plot.FastScatterPlot extend a common superclass
    7
    assertTrue(p1.equals(p2));
    Precondition Violations (9)
    Row Violation
    1Unmatched statement FastScatterPlot p1=new FastScatterPlot(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement p2=(FastScatterPlot)p1.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
    3Unmatched statement n2=(LineNeedle)n1.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
    4Type org.jfree.chart.needle.LineNeedle of variable n1 does not match with type org.jfree.chart.plot.FastScatterPlot of variable p1
    5Type org.jfree.chart.needle.LineNeedle of variable n2 does not match with type org.jfree.chart.plot.FastScatterPlot of variable p2
    6Type org.jfree.chart.needle.LineNeedle of variable n1 does not match with type org.jfree.chart.plot.FastScatterPlot of variable p1
    7Type org.jfree.chart.needle.LineNeedle of variable n2 does not match with type org.jfree.chart.plot.FastScatterPlot of variable p2
    8Type org.jfree.chart.needle.LineNeedle of variable n2 does not match with type org.jfree.chart.plot.FastScatterPlot of variable p2
    9Type org.jfree.chart.needle.LineNeedle of variable n1 does not match with type org.jfree.chart.plot.FastScatterPlot of variable p1