TickUnits t1 = (TickUnits) NumberAxis.createIntegerTickUnits(); TickUnits t2 = null; try { t2 = (TickUnits) t1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(t1 != t2); assertTrue(t1.getClass() == t2.getClass()); assertTrue(t1.equals(t2));
BarRenderer r1 = new BarRenderer(); r1.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator()); BarRenderer r2 = null; try { r2 = (BarRenderer) r1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } 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/axis/junit/TickUnitsTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/renderer/category/junit/BarRendererTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 8
1
TickUnits t1 = (TickUnits) NumberAxis.createIntegerTickUnits
1
BarRenderer r1 = new BarRenderer();
2
();
2
        r1.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
3
        TickUnits t2 = null;
3
        BarRenderer r2 = null;
4
        try {
4
        try {
5
            t2 = (TickUnits) t1.clone();
5
            r2 = (BarRenderer) r1.clone();
6
        }
6
        }
7
        catch (CloneNotSupportedException e) {
7
        catch (CloneNotSupportedException e) {
8
            e.printStackTrace();
8
            e.printStackTrace();
9
        }
9
        }
10
        assertTrue(t1 != t2);
10
        assertTrue(r1 != r2);
11
        assertTrue(t1.getClass() == t2.getClass());
11
        assertTrue(r1.getClass() == r2.getClass());
12
        assertTrue(t1.equals(t2));
12
        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 comparisons34
  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 fragment4
    Time elapsed for statement mapping (ms)4.2
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
                                                                            
    1
    BarRenderer r1 = new BarRenderer();
    Preondition Violations
    Unmatched statement BarRenderer r1=new BarRenderer(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    BarRenderer r1 = new BarRenderer();
    1
    TickUnits t1 = (TickUnits)NumberAxis.createIntegerTickUnits();
                                                                                                                                  
                                                                                                                                                        
    2
    r1.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
    Preondition Violations
    Unmatched statement r1.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator()); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2
    r1.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
    2
    TickUnits t2 = null;
                                              
                                                  
    3
    BarRenderer r2 = null;
    3
    try
    4
    try
    4
    t2 = (TickUnits)t1.clone();
    4
    t2 = (TickUnits)t1.clone();
    Preondition Violations
    Unmatched statement t2=(TickUnits)t1.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
    r2 = (BarRenderer)r1.clone();
    Preondition Violations
    Unmatched statement r2=(BarRenderer)r1.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
    r2 = (BarRenderer)r1.clone();
    5
    assertTrue(t1 != t2);
    5
    assertTrue(t1 != t2);
    6
    assertTrue(r1 != r2);
    Differences
    Expression1Expression2Difference
    t1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.renderer.category.BarRendererVARIABLE_TYPE_MISMATCH
    t2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.renderer.category.BarRendererVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.renderer.category.BarRenderer of variable r1
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.renderer.category.BarRenderer extend a common superclass
    Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.renderer.category.BarRenderer of variable r2
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.renderer.category.BarRenderer extend a common superclass
    6
    assertTrue(r1 != r2);
    6
    assertTrue(t1.getClass() == t2.getClass());
    6
    assertTrue(t1.getClass() == t2.getClass());
    7
    assertTrue(r1.getClass() == r2.getClass());
    Differences
    Expression1Expression2Difference
    t1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.renderer.category.BarRendererVARIABLE_TYPE_MISMATCH
    t2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.renderer.category.BarRendererVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.renderer.category.BarRenderer of variable r1
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.renderer.category.BarRenderer extend a common superclass
    Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.renderer.category.BarRenderer of variable r2
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.renderer.category.BarRenderer extend a common superclass
    7
    assertTrue(r1.getClass() == r2.getClass());
    7
    assertTrue(t1.equals(t2));
    7
    assertTrue(t1.equals(t2));
    8
    assertTrue(r1.equals(r2));
    Differences
    Expression1Expression2Difference
    t2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.renderer.category.BarRendererVARIABLE_TYPE_MISMATCH
    t1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.renderer.category.BarRendererVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.renderer.category.BarRenderer of variable r2
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.renderer.category.BarRenderer extend a common superclass
    Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.renderer.category.BarRenderer of variable r1
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.renderer.category.BarRenderer extend a common superclass
    8
    assertTrue(r1.equals(r2));
    Precondition Violations (10)
    Row Violation
    1Unmatched statement BarRenderer r1=new BarRenderer(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement r1.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator()); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement t2=(TickUnits)t1.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
    4Unmatched statement r2=(BarRenderer)r1.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
    5Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.renderer.category.BarRenderer of variable r1
    6Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.renderer.category.BarRenderer of variable r2
    7Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.renderer.category.BarRenderer of variable r1
    8Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.renderer.category.BarRenderer of variable r2
    9Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.renderer.category.BarRenderer of variable r2
    10Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.renderer.category.BarRenderer of variable r1