DialPointer i1 = new DialPointer.Pin(1); DialPointer i2 = null; try { i2 = (DialPointer) i1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(i1 != i2); assertTrue(i1.getClass() == i2.getClass()); assertTrue(i1.equals(i2)); // check that the listener lists are independent MyDialLayerChangeListener l1 = new MyDialLayerChangeListener(); i1.addChangeListener(l1); assertTrue(i1.hasListener(l1)); assertFalse(i2.hasListener(l1));
WaterfallBarRenderer r1 = new WaterfallBarRenderer(); WaterfallBarRenderer r2 = null; try { r2 = (WaterfallBarRenderer) r1.clone(); } catch (CloneNotSupportedException e) { System.err.println("Failed to clone."); } assertTrue(r1 != r2); assertTrue(r1.getClass() == r2.getClass()); assertTrue(r1.equals(r2)); // quick check for independence r1.setFirstBarPaint(Color.yellow); assertFalse(r1.equals(r2)); r2.setFirstBarPaint(Color.yellow); assertTrue(r1.equals(r2));
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/plot/dial/junit/DialPointerTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/renderer/category/junit/WaterfallBarRendererTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 11 Number of AST nodes: 11
1
DialPointer i1 = new DialPointer.Pin(1);
1
WaterfallBarRenderer r1 = new 
2
        DialPoint
2
WaterfallBarRenderer();
3
er i2 = null;
3
        WaterfallBarRenderer r2 = null;
4
        try {
4
        try {
5
            i2 = (DialPointer) i1.clone();
5
            r2 = (WaterfallBarRenderer) r1.clone();
6
        }
6
        }
7
        catch (CloneNotSupportedException e) {
7
        catch (CloneNotSupportedException e) {
8
            e.printStackTrace();
8
            System.err.println("Failed to clone.");
9
        }
9
        }
10
        assertTrue(i1 != i2);
10
        assertTrue(r1 != r2);
11
        assertTrue(i1.getClass() == i2.getClass());
11
        assertTrue(r1.getClass() == r2.getClass());
12
        assertTrue(i1.equals(i2));
12
        assertTrue(r1.equals(r2));
13
        
14
        // check that the listener lists are independent
13
        // quick check for independence
15
        MyDialLayerChangeListener l1 = new MyDialLayerChangeListener();
14
        
16
        i1.addChangeListener(l1);
17
        assertTrue(i1.hasListener(l1));
18
        assertFalse(i2.hasListener(l1
15
r1.setFirstBarPaint(Color.yellow);
16
        assertFalse(r1.equals(r2));
17
        r2.setFirstBarPaint(Color.yellow);
19
));
18
        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)0.3
Clones locationClones are in different classes having the same super class
Number of node comparisons73
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements7
    Number of unmapped statements in the first code fragment4
    Number of unmapped statements in the second code fragment4
    Time elapsed for statement mapping (ms)85.2
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    DialPointer i1 = new DialPointer.Pin(1);
    1
    DialPointer i1 = new DialPointer.Pin(1);
    2
    WaterfallBarRenderer r2 = null;
    Differences
    Expression1Expression2Difference
    org.jfree.chart.plot.dial.DialPointerorg.jfree.chart.renderer.category.WaterfallBarRendererSUBCLASS_TYPE_MISMATCH
    i1r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.dial.DialPointerorg.jfree.chart.renderer.category.WaterfallBarRendererSUBCLASS_TYPE_MISMATCH
    new DialPointer.Pin(1)nullTYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression new DialPointer.Pin(1) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2
    WaterfallBarRenderer r2 = null;
    2
    DialPointer i2 = null;
    2
    DialPointer i2 = null;
    1
    WaterfallBarRenderer r1 = new WaterfallBarRenderer();
    Differences
    Expression1Expression2Difference
    org.jfree.chart.plot.dial.DialPointerorg.jfree.chart.renderer.category.WaterfallBarRendererSUBCLASS_TYPE_MISMATCH
    i2r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.dial.DialPointerorg.jfree.chart.renderer.category.WaterfallBarRendererSUBCLASS_TYPE_MISMATCH
    nullnew WaterfallBarRenderer()TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression new WaterfallBarRenderer() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    1
    WaterfallBarRenderer r1 = new WaterfallBarRenderer();
    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
    i2 = (DialPointer)i1.clone();
    4
    i2 = (DialPointer)i1.clone();
    4
    r2 = (WaterfallBarRenderer)r1.clone();
    Differences
    Expression1Expression2Difference
    i2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.dial.DialPointerorg.jfree.chart.renderer.category.WaterfallBarRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.plot.dial.DialPointerorg.jfree.chart.renderer.category.WaterfallBarRendererSUBCLASS_TYPE_MISMATCH
    i1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.dial.DialPointerorg.jfree.chart.renderer.category.WaterfallBarRendererSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression i2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression r2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (DialPointer)i1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (WaterfallBarRenderer)r1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression i1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression r1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4
    r2 = (WaterfallBarRenderer)r1.clone();
    5
    assertTrue(i1 != i2);
    5
    assertTrue(i1 != i2);
    5
    assertTrue(r1 != r2);
    Differences
    Expression1Expression2Difference
    i1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.dial.DialPointerorg.jfree.chart.renderer.category.WaterfallBarRendererSUBCLASS_TYPE_MISMATCH
    i2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.dial.DialPointerorg.jfree.chart.renderer.category.WaterfallBarRendererSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression i1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression r1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression i2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression r2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5
    assertTrue(r1 != r2);
    6
    assertTrue(i1.getClass() == i2.getClass());
    6
    assertTrue(i1.getClass() == i2.getClass());
    6
    assertTrue(r1.getClass() == r2.getClass());
    Differences
    Expression1Expression2Difference
    i1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.dial.DialPointerorg.jfree.chart.renderer.category.WaterfallBarRendererSUBCLASS_TYPE_MISMATCH
    i2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.dial.DialPointerorg.jfree.chart.renderer.category.WaterfallBarRendererSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression i1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression r1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression i2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression r2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    assertTrue(r1.getClass() == r2.getClass());
    7
    assertTrue(i1.equals(i2));
    7
    assertTrue(i1.equals(i2));
    7
    assertTrue(r1.equals(r2));
    Differences
    Expression1Expression2Difference
    i2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.dial.DialPointerorg.jfree.chart.renderer.category.WaterfallBarRendererSUBCLASS_TYPE_MISMATCH
    i1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.plot.dial.DialPointerorg.jfree.chart.renderer.category.WaterfallBarRendererSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression i2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression r2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression i2 cannot be unified with expression r2 , because common superclass type org.jfree.util.PublicCloneable cannot be passed as an argument to public boolean equals(java.lang.Object)
    Expression i2 cannot be unified with expression r2 , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public boolean equals(java.lang.Object)
    Expression i1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression r1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression i1 cannot be unified with expression r1 , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public boolean equals(java.lang.Object)
    7
    assertTrue(r1.equals(r2));
                                                                              
    8
    r1.setFirstBarPaint(Color.yellow);
    Preondition Violations
    Unmatched statement r1.setFirstBarPaint(Color.yellow); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    8
    r1.setFirstBarPaint(Color.yellow);
    8
    MyDialLayerChangeListener l1 = new MyDialLayerChangeListener();
                                                                                                                                    
                                                                
    9
    assertFalse(r1.equals(r2));
    Preondition Violations
    Unmatched statement assertFalse(r1.equals(r2)); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    9
    assertFalse(r1.equals(r2));
    9
    i1.addChangeListener(l1);
    9
    i1.addChangeListener(l1);
    Preondition Violations
    Unmatched statement i1.addChangeListener(l1); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                            
                                                                                
    10
    r2.setFirstBarPaint(Color.yellow);
    Preondition Violations
    Unmatched statement r2.setFirstBarPaint(Color.yellow); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    10
    r2.setFirstBarPaint(Color.yellow);
    10
    assertTrue(i1.hasListener(l1));
    10
    assertTrue(i1.hasListener(l1));
    Preondition Violations
    Unmatched statement assertTrue(i1.hasListener(l1)); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                          
                                                                
    11
    assertTrue(r1.equals(r2));
    Preondition Violations
    Unmatched statement assertTrue(r1.equals(r2)); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    11
    assertTrue(r1.equals(r2));
    11
    assertFalse(i2.hasListener(l1));
    11
    assertFalse(i2.hasListener(l1));
    Preondition Violations
    Unmatched statement assertFalse(i2.hasListener(l1)); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                            
    Precondition Violations (38)
    Row Violation
    1Expression new DialPointer.Pin(1) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression new WaterfallBarRenderer() cannot be parameterized, because it has dependencies to/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("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("Failed to clone.") is a void method call, and thus it cannot be parameterized
    10Expression i2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Expression r2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    12Expression (DialPointer)i1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Expression (WaterfallBarRenderer)r1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    14Expression i1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    15Expression r1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    16Expression i1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    17Expression r1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    18Expression i2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    19Expression r2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    20Expression i1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    21Expression r1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    22Expression i2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    23Expression r2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    24Expression i2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    25Expression r2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    26Expression i2 cannot be unified with expression r2 , because common superclass type org.jfree.util.PublicCloneable cannot be passed as an argument to public boolean equals(java.lang.Object)
    27Expression i2 cannot be unified with expression r2 , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public boolean equals(java.lang.Object)
    28Expression i1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    29Expression r1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    30Expression i1 cannot be unified with expression r1 , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public boolean equals(java.lang.Object)
    31Unmatched statement r1.setFirstBarPaint(Color.yellow); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    32Unmatched statement assertFalse(r1.equals(r2)); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    33Unmatched statement i1.addChangeListener(l1); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    34Unmatched statement r2.setFirstBarPaint(Color.yellow); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    35Unmatched statement assertTrue(i1.hasListener(l1)); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    36Unmatched statement assertTrue(r1.equals(r2)); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    37Unmatched statement assertFalse(i2.hasListener(l1)); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    38Clone fragment #1 returns variables i1, i2 , while Clone fragment #2 returns variables r1, r2