ValueMarker m1 = new ValueMarker(25.0); ValueMarker m2 = null; try { m2 = (ValueMarker) m1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(m1 != m2); assertTrue(m1.getClass() == m2.getClass()); assertTrue(m1.equals(m2));
CategoryStepRenderer r1 = new CategoryStepRenderer(false); CategoryStepRenderer r2 = null; try { r2 = (CategoryStepRenderer) 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/plot/junit/ValueMarkerTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/renderer/category/junit/CategoryStepRendererTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 7
1
ValueMarker m1 = new ValueMarker(25.0);
1
CategoryStepRenderer r1 = new 
2
        ValueMark
2
CategoryStepRenderer(false);
3
er m2 = null;
3
        CategoryStepRenderer r2 = null;
4
        try {
4
        try {
5
            m2 = (ValueMarker) m1.clone();
5
            r2 = (CategoryStepRenderer) r1.clone();
6
        }
6
        }
7
        catch (CloneNotSupportedException e) {
7
        catch (CloneNotSupportedException e) {
8
            e.printStackTrace();
8
            e.printStackTrace();
9
        }
9
        }
10
        assertTrue(m1 != m2);
10
        assertTrue(r1 != r2);
11
        assertTrue(m1.getClass() == m2.getClass());
11
        assertTrue(r1.getClass() == r2.getClass());
12
        assertTrue(m1.equals(m2));
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 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)4.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                                          
    1
    CategoryStepRenderer r1 = new CategoryStepRenderer(false);
    Preondition Violations
    Unmatched statement CategoryStepRenderer r1=new CategoryStepRenderer(false); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    CategoryStepRenderer r1 = new CategoryStepRenderer(false);
    1
    ValueMarker m1 = new ValueMarker(25.0);
    1
    ValueMarker m1 = new ValueMarker(25.0);
    Preondition Violations
    Unmatched statement ValueMarker m1=new ValueMarker(25.0); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                    
                                                                    
    2
    CategoryStepRenderer r2 = null;
    2
    ValueMarker m2 = null;
                                                  
    3
    try
    3
    try
                                                                                  
    4
    r2 = (CategoryStepRenderer)r1.clone();
    Preondition Violations
    Unmatched statement r2=(CategoryStepRenderer)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
    4
    r2 = (CategoryStepRenderer)r1.clone();
    4
    m2 = (ValueMarker)m1.clone();
    4
    m2 = (ValueMarker)m1.clone();
    Preondition Violations
    Unmatched statement m2=(ValueMarker)m1.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(m1 != m2);
    5
    assertTrue(m1 != m2);
    5
    assertTrue(r1 != r2);
    Differences
    Expression1Expression2Difference
    m1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.ValueMarkerorg.jfree.chart.renderer.category.CategoryStepRendererVARIABLE_TYPE_MISMATCH
    m2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.ValueMarkerorg.jfree.chart.renderer.category.CategoryStepRendererVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.plot.ValueMarker of variable m1 does not match with type org.jfree.chart.renderer.category.CategoryStepRenderer of variable r1
    • Make classes org.jfree.chart.plot.ValueMarker and org.jfree.chart.renderer.category.CategoryStepRenderer extend a common superclass
    Type org.jfree.chart.plot.ValueMarker of variable m2 does not match with type org.jfree.chart.renderer.category.CategoryStepRenderer of variable r2
    • Make classes org.jfree.chart.plot.ValueMarker and org.jfree.chart.renderer.category.CategoryStepRenderer extend a common superclass
    5
    assertTrue(r1 != r2);
    6
    assertTrue(m1.getClass() == m2.getClass());
    6
    assertTrue(m1.getClass() == m2.getClass());
    6
    assertTrue(r1.getClass() == r2.getClass());
    Differences
    Expression1Expression2Difference
    m1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.ValueMarkerorg.jfree.chart.renderer.category.CategoryStepRendererVARIABLE_TYPE_MISMATCH
    m2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.ValueMarkerorg.jfree.chart.renderer.category.CategoryStepRendererVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.plot.ValueMarker of variable m1 does not match with type org.jfree.chart.renderer.category.CategoryStepRenderer of variable r1
    • Make classes org.jfree.chart.plot.ValueMarker and org.jfree.chart.renderer.category.CategoryStepRenderer extend a common superclass
    Type org.jfree.chart.plot.ValueMarker of variable m2 does not match with type org.jfree.chart.renderer.category.CategoryStepRenderer of variable r2
    • Make classes org.jfree.chart.plot.ValueMarker and org.jfree.chart.renderer.category.CategoryStepRenderer extend a common superclass
    6
    assertTrue(r1.getClass() == r2.getClass());
    7
    assertTrue(m1.equals(m2));
    7
    assertTrue(m1.equals(m2));
    7
    assertTrue(r1.equals(r2));
    Differences
    Expression1Expression2Difference
    m2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.ValueMarkerorg.jfree.chart.renderer.category.CategoryStepRendererVARIABLE_TYPE_MISMATCH
    m1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.ValueMarkerorg.jfree.chart.renderer.category.CategoryStepRendererVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.plot.ValueMarker of variable m2 does not match with type org.jfree.chart.renderer.category.CategoryStepRenderer of variable r2
    • Make classes org.jfree.chart.plot.ValueMarker and org.jfree.chart.renderer.category.CategoryStepRenderer extend a common superclass
    Type org.jfree.chart.plot.ValueMarker of variable m1 does not match with type org.jfree.chart.renderer.category.CategoryStepRenderer of variable r1
    • Make classes org.jfree.chart.plot.ValueMarker and org.jfree.chart.renderer.category.CategoryStepRenderer extend a common superclass
    7
    assertTrue(r1.equals(r2));
    Precondition Violations (10)
    Row Violation
    1Unmatched statement CategoryStepRenderer r1=new CategoryStepRenderer(false); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement ValueMarker m1=new ValueMarker(25.0); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement r2=(CategoryStepRenderer)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
    4Unmatched statement m2=(ValueMarker)m1.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.plot.ValueMarker of variable m1 does not match with type org.jfree.chart.renderer.category.CategoryStepRenderer of variable r1
    6Type org.jfree.chart.plot.ValueMarker of variable m2 does not match with type org.jfree.chart.renderer.category.CategoryStepRenderer of variable r2
    7Type org.jfree.chart.plot.ValueMarker of variable m1 does not match with type org.jfree.chart.renderer.category.CategoryStepRenderer of variable r1
    8Type org.jfree.chart.plot.ValueMarker of variable m2 does not match with type org.jfree.chart.renderer.category.CategoryStepRenderer of variable r2
    9Type org.jfree.chart.plot.ValueMarker of variable m2 does not match with type org.jfree.chart.renderer.category.CategoryStepRenderer of variable r2
    10Type org.jfree.chart.plot.ValueMarker of variable m1 does not match with type org.jfree.chart.renderer.category.CategoryStepRenderer of variable r1