LayeredBarRenderer r1 = new LayeredBarRenderer(); LayeredBarRenderer r2 = null; try { r2 = (LayeredBarRenderer) r1.clone(); } catch (CloneNotSupportedException e) { System.err.println("Failed to clone."); } assertTrue(r1 != r2); assertTrue(r1.getClass() == r2.getClass()); assertTrue(r1.equals(r2));
ImageTitle t1 = new ImageTitle(JFreeChart.INFO.getLogo()); ImageTitle t2 = null; try { t2 = (ImageTitle) t1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(t1 != t2); assertTrue(t1.getClass() == t2.getClass()); assertTrue(t1.equals(t2));
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/renderer/category/junit/LayeredBarRendererTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/title/junit/ImageTitleTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 7
1
LayeredBarRenderer r1 = new LayeredBarRenderer();
1
ImageTitle t1 = new ImageTitle(JFreeChart.INFO.getLogo());
2
        LayeredBarRenderer r2 = null;
2
        ImageTitle t2 = null;
3
        try {
3
        try {
4
            r2 = (LayeredBarRenderer) r1.clone();
4
            t2 = (ImageTitle) t1.clone();
5
        }
5
        }
6
        catch (CloneNotSupportedException e) {
6
        catch (CloneNotSupportedException e) {
7
            System.err.println("Failed to clone.");
7
            e.printStackTrace();
8
        }
8
        }
9
        assertTrue(r1 != r2);
9
        assertTrue(t1 != t2);
10
        assertTrue(r1.getClass() == r2.getClass());
10
        assertTrue(t1.getClass() == t2.getClass());
11
        assertTrue(r1.equals(r2));
11
        assertTrue(t1.equals(t2));
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)0.3
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)5.9
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                                          
    1
    ImageTitle t1 = new ImageTitle(JFreeChart.INFO.getLogo());
    Preondition Violations
    Unmatched statement ImageTitle t1=new ImageTitle(JFreeChart.INFO.getLogo()); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    ImageTitle t1 = new ImageTitle(JFreeChart.INFO.getLogo());
    1
    LayeredBarRenderer r1 = new LayeredBarRenderer();
    1
    LayeredBarRenderer r1 = new LayeredBarRenderer();
    Preondition Violations
    Unmatched statement LayeredBarRenderer r1=new LayeredBarRenderer(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                                        
                                                
    2
    ImageTitle t2 = null;
    2
    LayeredBarRenderer r2 = null;
                                                                
    3
    try
    3
    try
    3
    try
    Differences
    Expression1Expression2Difference
    printlnprintStackTraceMETHOD_INVOCATION_NAME_MISMATCH
    System.erreAST_TYPE_MISMATCH
    System.err.println("Failed to clone.")e.printStackTrace()ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    Expression e cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    3
    try
                                                              
    4
    t2 = (ImageTitle)t1.clone();
    Preondition Violations
    Unmatched statement t2=(ImageTitle)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
    4
    t2 = (ImageTitle)t1.clone();
    4
    r2 = (LayeredBarRenderer)r1.clone();
    4
    r2 = (LayeredBarRenderer)r1.clone();
    Preondition Violations
    Unmatched statement r2=(LayeredBarRenderer)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
    assertTrue(r1 != r2);
    5
    assertTrue(r1 != r2);
    5
    assertTrue(t1 != t2);
    Differences
    Expression1Expression2Difference
    r1t1VARIABLE_NAME_MISMATCH
    org.jfree.chart.renderer.category.LayeredBarRendererorg.jfree.chart.title.ImageTitleVARIABLE_TYPE_MISMATCH
    r2t2VARIABLE_NAME_MISMATCH
    org.jfree.chart.renderer.category.LayeredBarRendererorg.jfree.chart.title.ImageTitleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.renderer.category.LayeredBarRenderer of variable r1 does not match with type org.jfree.chart.title.ImageTitle of variable t1
    • Make classes org.jfree.chart.renderer.category.LayeredBarRenderer and org.jfree.chart.title.ImageTitle extend a common superclass
    Type org.jfree.chart.renderer.category.LayeredBarRenderer of variable r2 does not match with type org.jfree.chart.title.ImageTitle of variable t2
    • Make classes org.jfree.chart.renderer.category.LayeredBarRenderer and org.jfree.chart.title.ImageTitle extend a common superclass
    5
    assertTrue(t1 != t2);
    6
    assertTrue(r1.getClass() == r2.getClass());
    6
    assertTrue(r1.getClass() == r2.getClass());
    6
    assertTrue(t1.getClass() == t2.getClass());
    Differences
    Expression1Expression2Difference
    r1t1VARIABLE_NAME_MISMATCH
    org.jfree.chart.renderer.category.LayeredBarRendererorg.jfree.chart.title.ImageTitleVARIABLE_TYPE_MISMATCH
    r2t2VARIABLE_NAME_MISMATCH
    org.jfree.chart.renderer.category.LayeredBarRendererorg.jfree.chart.title.ImageTitleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.renderer.category.LayeredBarRenderer of variable r1 does not match with type org.jfree.chart.title.ImageTitle of variable t1
    • Make classes org.jfree.chart.renderer.category.LayeredBarRenderer and org.jfree.chart.title.ImageTitle extend a common superclass
    Type org.jfree.chart.renderer.category.LayeredBarRenderer of variable r2 does not match with type org.jfree.chart.title.ImageTitle of variable t2
    • Make classes org.jfree.chart.renderer.category.LayeredBarRenderer and org.jfree.chart.title.ImageTitle extend a common superclass
    6
    assertTrue(t1.getClass() == t2.getClass());
    7
    assertTrue(r1.equals(r2));
    7
    assertTrue(r1.equals(r2));
    7
    assertTrue(t1.equals(t2));
    Differences
    Expression1Expression2Difference
    r2t2VARIABLE_NAME_MISMATCH
    org.jfree.chart.renderer.category.LayeredBarRendererorg.jfree.chart.title.ImageTitleVARIABLE_TYPE_MISMATCH
    r1t1VARIABLE_NAME_MISMATCH
    org.jfree.chart.renderer.category.LayeredBarRendererorg.jfree.chart.title.ImageTitleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.renderer.category.LayeredBarRenderer of variable r2 does not match with type org.jfree.chart.title.ImageTitle of variable t2
    • Make classes org.jfree.chart.renderer.category.LayeredBarRenderer and org.jfree.chart.title.ImageTitle extend a common superclass
    Type org.jfree.chart.renderer.category.LayeredBarRenderer of variable r1 does not match with type org.jfree.chart.title.ImageTitle of variable t1
    • Make classes org.jfree.chart.renderer.category.LayeredBarRenderer and org.jfree.chart.title.ImageTitle extend a common superclass
    7
    assertTrue(t1.equals(t2));
    Precondition Violations (17)
    Row Violation
    1Unmatched statement ImageTitle t1=new ImageTitle(JFreeChart.INFO.getLogo()); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement LayeredBarRenderer r1=new LayeredBarRenderer(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    5Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    6Expression e cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    9Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    10Unmatched statement t2=(ImageTitle)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
    11Unmatched statement r2=(LayeredBarRenderer)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
    12Type org.jfree.chart.renderer.category.LayeredBarRenderer of variable r1 does not match with type org.jfree.chart.title.ImageTitle of variable t1
    13Type org.jfree.chart.renderer.category.LayeredBarRenderer of variable r2 does not match with type org.jfree.chart.title.ImageTitle of variable t2
    14Type org.jfree.chart.renderer.category.LayeredBarRenderer of variable r1 does not match with type org.jfree.chart.title.ImageTitle of variable t1
    15Type org.jfree.chart.renderer.category.LayeredBarRenderer of variable r2 does not match with type org.jfree.chart.title.ImageTitle of variable t2
    16Type org.jfree.chart.renderer.category.LayeredBarRenderer of variable r2 does not match with type org.jfree.chart.title.ImageTitle of variable t2
    17Type org.jfree.chart.renderer.category.LayeredBarRenderer of variable r1 does not match with type org.jfree.chart.title.ImageTitle of variable t1