LineAndShapeRenderer r1 = new LineAndShapeRenderer(); LineAndShapeRenderer r2 = null; try { r2 = (LineAndShapeRenderer) r1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(r1 != r2); assertTrue(r1.getClass() == r2.getClass()); assertTrue(r1.equals(r2)); assertTrue(checkIndependence(r1, r2));
XYDataItem i1 = new XYDataItem(1.0, 1.1); XYDataItem i2 = null; try { i2 = (XYDataItem) i1.clone(); } catch (CloneNotSupportedException e) { System.err.println("XYDataItemTests.testCloning: failed to clone."); } assertTrue(i1 != i2); assertTrue(i1.getClass() == i2.getClass()); assertTrue(i1.equals(i2));
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/renderer/category/junit/LineAndShapeRendererTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/xy/junit/XYDataItemTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 8 Number of AST nodes: 7
1
LineAndShapeRenderer r1 = new LineAndShapeRenderer();
2
        LineAndShapeRenderer r
1
XYDataItem i1 = new XYDataItem(1.0, 1.1);
3
2 = null;
2
        XYDataItem i2 = null;
4
        try {
3
        try {
5
            r2 = (LineAndShapeRenderer) r1.clone();
4
            i2 = (XYDataItem) i1.clone();
6
        }
5
        }
7
        catch (CloneNotSupportedException e) {
6
        catch (CloneNotSupportedException e) {
8
            e.printStackTrace();
7
            System.err.println("XYDataItemTests.testCloning: failed to clone.");
9
        }
8
        }
10
        assertTrue(r1 != r2);
9
        assertTrue(i1 != i2);
11
        assertTrue(r1.getClass() == r2.getClass());
10
        assertTrue(i1.getClass() == i2.getClass());
12
        assertTrue(r1.equals(r2));
11
        assertTrue(i1.equals(
13
        assertTrue(checkIndependence(r1, r2));
12
i2));
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 comparisons34
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment4
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)4.8
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
                                                                                      
    1
    XYDataItem i1 = new XYDataItem(1.0, 1.1);
    Preondition Violations
    Unmatched statement XYDataItem i1=new XYDataItem(1.0,1.1); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    XYDataItem i1 = new XYDataItem(1.0, 1.1);
    1
    LineAndShapeRenderer r1 = new LineAndShapeRenderer();
    1
    LineAndShapeRenderer r1 = new LineAndShapeRenderer();
    Preondition Violations
    Unmatched statement LineAndShapeRenderer r1=new LineAndShapeRenderer(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                                                
                                                
    2
    XYDataItem i2 = null;
    2
    LineAndShapeRenderer r2 = null;
                                                                    
    3
    try
    3
    try
    3
    try
    Differences
    Expression1Expression2Difference
    printStackTraceprintlnMETHOD_INVOCATION_NAME_MISMATCH
    eSystem.errAST_TYPE_MISMATCH
    e.printStackTrace()System.err.println("XYDataItemTests.testCloning: failed to clone.")ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    Expression System.err.println("XYDataItemTests.testCloning: failed to clone.") 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 e.printStackTrace() is a void method call, and thus it cannot be parameterized
    Expression System.err.println("XYDataItemTests.testCloning: failed to clone.") is a void method call, and thus it cannot be parameterized
    3
    try
                                                              
    4
    i2 = (XYDataItem)i1.clone();
    Preondition Violations
    Unmatched statement i2=(XYDataItem)i1.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
    i2 = (XYDataItem)i1.clone();
    4
    r2 = (LineAndShapeRenderer)r1.clone();
    4
    r2 = (LineAndShapeRenderer)r1.clone();
    Preondition Violations
    Unmatched statement r2=(LineAndShapeRenderer)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(i1 != i2);
    Differences
    Expression1Expression2Difference
    r1i1VARIABLE_NAME_MISMATCH
    org.jfree.chart.renderer.category.LineAndShapeRendererorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    r2i2VARIABLE_NAME_MISMATCH
    org.jfree.chart.renderer.category.LineAndShapeRendererorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.renderer.category.LineAndShapeRenderer of variable r1 does not match with type org.jfree.data.xy.XYDataItem of variable i1
    • Make classes org.jfree.chart.renderer.category.LineAndShapeRenderer and org.jfree.data.xy.XYDataItem extend a common superclass
    Type org.jfree.chart.renderer.category.LineAndShapeRenderer of variable r2 does not match with type org.jfree.data.xy.XYDataItem of variable i2
    • Make classes org.jfree.chart.renderer.category.LineAndShapeRenderer and org.jfree.data.xy.XYDataItem extend a common superclass
    5
    assertTrue(i1 != i2);
    6
    assertTrue(r1.getClass() == r2.getClass());
    6
    assertTrue(r1.getClass() == r2.getClass());
    6
    assertTrue(i1.getClass() == i2.getClass());
    Differences
    Expression1Expression2Difference
    r1i1VARIABLE_NAME_MISMATCH
    org.jfree.chart.renderer.category.LineAndShapeRendererorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    r2i2VARIABLE_NAME_MISMATCH
    org.jfree.chart.renderer.category.LineAndShapeRendererorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.renderer.category.LineAndShapeRenderer of variable r1 does not match with type org.jfree.data.xy.XYDataItem of variable i1
    • Make classes org.jfree.chart.renderer.category.LineAndShapeRenderer and org.jfree.data.xy.XYDataItem extend a common superclass
    Type org.jfree.chart.renderer.category.LineAndShapeRenderer of variable r2 does not match with type org.jfree.data.xy.XYDataItem of variable i2
    • Make classes org.jfree.chart.renderer.category.LineAndShapeRenderer and org.jfree.data.xy.XYDataItem extend a common superclass
    6
    assertTrue(i1.getClass() == i2.getClass());
    7
    assertTrue(r1.equals(r2));
    7
    assertTrue(r1.equals(r2));
    7
    assertTrue(i1.equals(i2));
    Differences
    Expression1Expression2Difference
    r2i2VARIABLE_NAME_MISMATCH
    org.jfree.chart.renderer.category.LineAndShapeRendererorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    r1i1VARIABLE_NAME_MISMATCH
    org.jfree.chart.renderer.category.LineAndShapeRendererorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.renderer.category.LineAndShapeRenderer of variable r2 does not match with type org.jfree.data.xy.XYDataItem of variable i2
    • Make classes org.jfree.chart.renderer.category.LineAndShapeRenderer and org.jfree.data.xy.XYDataItem extend a common superclass
    Type org.jfree.chart.renderer.category.LineAndShapeRenderer of variable r1 does not match with type org.jfree.data.xy.XYDataItem of variable i1
    • Make classes org.jfree.chart.renderer.category.LineAndShapeRenderer and org.jfree.data.xy.XYDataItem extend a common superclass
    7
    assertTrue(i1.equals(i2));
    8
    assertTrue(checkIndependence(r1, r2));
    8
    assertTrue(checkIndependence(r1, r2));
    Preondition Violations
    Unmatched statement assertTrue(checkIndependence(r1,r2)); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                                    
    Precondition Violations (18)
    Row Violation
    1Unmatched statement XYDataItem i1=new XYDataItem(1.0,1.1); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement LineAndShapeRenderer r1=new LineAndShapeRenderer(); 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 e.printStackTrace() is a void method call, and thus it cannot be parameterized
    5Expression System.err.println("XYDataItemTests.testCloning: failed to clone.") 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 e.printStackTrace() is a void method call, and thus it cannot be parameterized
    9Expression System.err.println("XYDataItemTests.testCloning: failed to clone.") is a void method call, and thus it cannot be parameterized
    10Unmatched statement i2=(XYDataItem)i1.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=(LineAndShapeRenderer)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.LineAndShapeRenderer of variable r1 does not match with type org.jfree.data.xy.XYDataItem of variable i1
    13Type org.jfree.chart.renderer.category.LineAndShapeRenderer of variable r2 does not match with type org.jfree.data.xy.XYDataItem of variable i2
    14Type org.jfree.chart.renderer.category.LineAndShapeRenderer of variable r1 does not match with type org.jfree.data.xy.XYDataItem of variable i1
    15Type org.jfree.chart.renderer.category.LineAndShapeRenderer of variable r2 does not match with type org.jfree.data.xy.XYDataItem of variable i2
    16Type org.jfree.chart.renderer.category.LineAndShapeRenderer of variable r2 does not match with type org.jfree.data.xy.XYDataItem of variable i2
    17Type org.jfree.chart.renderer.category.LineAndShapeRenderer of variable r1 does not match with type org.jfree.data.xy.XYDataItem of variable i1
    18Unmatched statement assertTrue(checkIndependence(r1,r2)); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted