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));
ColorPalette p1 = new GreyPalette(); ColorPalette p2 = null; try { p2 = (ColorPalette) p1.clone(); } catch (CloneNotSupportedException e) { System.err.println("Failed to clone."); } assertTrue(p1 != p2); assertTrue(p1.getClass() == p2.getClass()); assertTrue(p1.equals(p2));
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/plot/junit/ColorPaletteTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 7
1
TickUnits t1 = (TickUnits) NumberAxis.createIntegerTickUnits();
2
        TickUnits t
1
ColorPalette p1 = new GreyPalette();
3
2 = null;
2
        ColorPalette p2 = null;
4
        try {
3
        try {
5
            t2 = (TickUnits) t1.clone();
4
            p2 = (ColorPalette) p1.clone();
6
        }
5
        }
7
        catch (CloneNotSupportedException e) {
6
        catch (CloneNotSupportedException e) {
8
            e.printStackTrace();
7
            System.err.println("Failed to clone.");
9
        }
8
        }
10
        assertTrue(t1 != t2);
9
        assertTrue(p1 != p2);
11
        assertTrue(t1.getClass() == t2.getClass());
10
        assertTrue(p1.getClass() == p2.getClass());
12
        assertTrue(t1.equals(t2));
11
        assertTrue(p1.equals(p2));
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)3.5
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                              
    1
    ColorPalette p1 = new GreyPalette();
    Preondition Violations
    Unmatched statement ColorPalette p1=new GreyPalette(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    ColorPalette p1 = new GreyPalette();
    1
    TickUnits t1 = (TickUnits)NumberAxis.createIntegerTickUnits();
                                                                                                                                  
                                                    
    2
    ColorPalette p2 = null;
    2
    TickUnits t2 = null;
                                              
    3
    try
    3
    try
    3
    try
    Differences
    Expression1Expression2Difference
    printStackTraceprintlnMETHOD_INVOCATION_NAME_MISMATCH
    eSystem.errAST_TYPE_MISMATCH
    e.printStackTrace()System.err.println("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("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("Failed to clone.") is a void method call, and thus it cannot be parameterized
    3
    try
                                                                  
    4
    p2 = (ColorPalette)p1.clone();
    Preondition Violations
    Unmatched statement p2=(ColorPalette)p1.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
    p2 = (ColorPalette)p1.clone();
    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
    assertTrue(t1 != t2);
    5
    assertTrue(t1 != t2);
    5
    assertTrue(p1 != p2);
    Differences
    Expression1Expression2Difference
    t1p1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.plot.ColorPaletteVARIABLE_TYPE_MISMATCH
    t2p2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.plot.ColorPaletteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.plot.ColorPalette of variable p1
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.plot.ColorPalette extend a common superclass
    Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.plot.ColorPalette of variable p2
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.plot.ColorPalette extend a common superclass
    5
    assertTrue(p1 != p2);
    6
    assertTrue(t1.getClass() == t2.getClass());
    6
    assertTrue(t1.getClass() == t2.getClass());
    6
    assertTrue(p1.getClass() == p2.getClass());
    Differences
    Expression1Expression2Difference
    t1p1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.plot.ColorPaletteVARIABLE_TYPE_MISMATCH
    t2p2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.plot.ColorPaletteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.plot.ColorPalette of variable p1
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.plot.ColorPalette extend a common superclass
    Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.plot.ColorPalette of variable p2
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.plot.ColorPalette extend a common superclass
    6
    assertTrue(p1.getClass() == p2.getClass());
    7
    assertTrue(t1.equals(t2));
    7
    assertTrue(t1.equals(t2));
    7
    assertTrue(p1.equals(p2));
    Differences
    Expression1Expression2Difference
    t2p2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.plot.ColorPaletteVARIABLE_TYPE_MISMATCH
    t1p1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.TickUnitsorg.jfree.chart.plot.ColorPaletteVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.plot.ColorPalette of variable p2
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.plot.ColorPalette extend a common superclass
    Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.plot.ColorPalette of variable p1
    • Make classes org.jfree.chart.axis.TickUnits and org.jfree.chart.plot.ColorPalette extend a common superclass
    7
    assertTrue(p1.equals(p2));
    Precondition Violations (16)
    Row Violation
    1Unmatched statement ColorPalette p1=new GreyPalette(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    4Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    5Expression e cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    8Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    9Unmatched statement p2=(ColorPalette)p1.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
    10Unmatched 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
    11Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.plot.ColorPalette of variable p1
    12Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.plot.ColorPalette of variable p2
    13Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.plot.ColorPalette of variable p1
    14Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.plot.ColorPalette of variable p2
    15Type org.jfree.chart.axis.TickUnits of variable t2 does not match with type org.jfree.chart.plot.ColorPalette of variable p2
    16Type org.jfree.chart.axis.TickUnits of variable t1 does not match with type org.jfree.chart.plot.ColorPalette of variable p1