LongNeedle n1 = new LongNeedle(); LongNeedle n2 = null; try { n2 = (LongNeedle) 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));
StackedBarRenderer r1 = new StackedBarRenderer(); StackedBarRenderer r2 = null; try { r2 = (StackedBarRenderer) r1.clone(); } catch (CloneNotSupportedException e) { System.err.println("Failed to clone."); } assertTrue(r1 != r2); assertTrue(r1.getClass() == r2.getClass()); assertTrue(r1.equals(r2));
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/needle/junit/LongNeedleTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/renderer/category/junit/StackedBarRendererTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 7
1
LongNeedle n1 = new LongNeedle();
2
        LongNeedle n
1
StackedBarRenderer r1 = new StackedBarRenderer();
3
2 = null;
2
        StackedBarRenderer r2 = null;
4
        try {
3
        try {
5
            n2 = (LongNeedle) n1.clone();
4
            r2 = (StackedBarRenderer) r1.clone();
6
        }
5
        }
7
        catch (CloneNotSupportedException e) {
6
        catch (CloneNotSupportedException e) {
8
            e.printStackTrace();
9
            System.err.println("Failed to clone.");
7
            System.err.println("Failed to clone.");
10
        }
8
        }
11
        assertTrue(n1 != n2);
9
        assertTrue(r1 != r2);
12
        assertTrue(n1.getClass() == n2.getClass());
10
        assertTrue(r1.getClass() == r2.getClass());
13
        assertTrue(n1.equals(n2));
11
        assertTrue(r1.equals(r2));
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)3.8
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
                                                                                                        
    1
    StackedBarRenderer r1 = new StackedBarRenderer();
    Preondition Violations
    Unmatched statement StackedBarRenderer r1=new StackedBarRenderer(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    StackedBarRenderer r1 = new StackedBarRenderer();
    1
    LongNeedle n1 = new LongNeedle();
                                                                        
                                                                
    2
    StackedBarRenderer r2 = null;
    2
    LongNeedle n2 = null;
                                                
                
    3
    try
                                                                              
    4
    r2 = (StackedBarRenderer)r1.clone();
    3
    try
                
    4
    n2 = (LongNeedle)n1.clone();
                                                              
    5
    assertTrue(n1 != n2);
    5
    assertTrue(n1 != n2);
    5
    assertTrue(r1 != r2);
    Differences
    Expression1Expression2Difference
    n1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LongNeedleorg.jfree.chart.renderer.category.StackedBarRendererVARIABLE_TYPE_MISMATCH
    n2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LongNeedleorg.jfree.chart.renderer.category.StackedBarRendererVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.LongNeedle of variable n1 does not match with type org.jfree.chart.renderer.category.StackedBarRenderer of variable r1
    • Make classes org.jfree.chart.needle.LongNeedle and org.jfree.chart.renderer.category.StackedBarRenderer extend a common superclass
    Type org.jfree.chart.needle.LongNeedle of variable n2 does not match with type org.jfree.chart.renderer.category.StackedBarRenderer of variable r2
    • Make classes org.jfree.chart.needle.LongNeedle and org.jfree.chart.renderer.category.StackedBarRenderer extend a common superclass
    5
    assertTrue(r1 != r2);
    6
    assertTrue(n1.getClass() == n2.getClass());
    6
    assertTrue(n1.getClass() == n2.getClass());
    6
    assertTrue(r1.getClass() == r2.getClass());
    Differences
    Expression1Expression2Difference
    n1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LongNeedleorg.jfree.chart.renderer.category.StackedBarRendererVARIABLE_TYPE_MISMATCH
    n2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LongNeedleorg.jfree.chart.renderer.category.StackedBarRendererVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.LongNeedle of variable n1 does not match with type org.jfree.chart.renderer.category.StackedBarRenderer of variable r1
    • Make classes org.jfree.chart.needle.LongNeedle and org.jfree.chart.renderer.category.StackedBarRenderer extend a common superclass
    Type org.jfree.chart.needle.LongNeedle of variable n2 does not match with type org.jfree.chart.renderer.category.StackedBarRenderer of variable r2
    • Make classes org.jfree.chart.needle.LongNeedle and org.jfree.chart.renderer.category.StackedBarRenderer extend a common superclass
    6
    assertTrue(r1.getClass() == r2.getClass());
    7
    assertTrue(n1.equals(n2));
    7
    assertTrue(n1.equals(n2));
    7
    assertTrue(r1.equals(r2));
    Differences
    Expression1Expression2Difference
    n2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LongNeedleorg.jfree.chart.renderer.category.StackedBarRendererVARIABLE_TYPE_MISMATCH
    n1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LongNeedleorg.jfree.chart.renderer.category.StackedBarRendererVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.LongNeedle of variable n2 does not match with type org.jfree.chart.renderer.category.StackedBarRenderer of variable r2
    • Make classes org.jfree.chart.needle.LongNeedle and org.jfree.chart.renderer.category.StackedBarRenderer extend a common superclass
    Type org.jfree.chart.needle.LongNeedle of variable n1 does not match with type org.jfree.chart.renderer.category.StackedBarRenderer of variable r1
    • Make classes org.jfree.chart.needle.LongNeedle and org.jfree.chart.renderer.category.StackedBarRenderer extend a common superclass
    7
    assertTrue(r1.equals(r2));
    Precondition Violations (7)
    Row Violation
    1Unmatched statement StackedBarRenderer r1=new StackedBarRenderer(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Type org.jfree.chart.needle.LongNeedle of variable n1 does not match with type org.jfree.chart.renderer.category.StackedBarRenderer of variable r1
    3Type org.jfree.chart.needle.LongNeedle of variable n2 does not match with type org.jfree.chart.renderer.category.StackedBarRenderer of variable r2
    4Type org.jfree.chart.needle.LongNeedle of variable n1 does not match with type org.jfree.chart.renderer.category.StackedBarRenderer of variable r1
    5Type org.jfree.chart.needle.LongNeedle of variable n2 does not match with type org.jfree.chart.renderer.category.StackedBarRenderer of variable r2
    6Type org.jfree.chart.needle.LongNeedle of variable n2 does not match with type org.jfree.chart.renderer.category.StackedBarRenderer of variable r2
    7Type org.jfree.chart.needle.LongNeedle of variable n1 does not match with type org.jfree.chart.renderer.category.StackedBarRenderer of variable r1