AxisSpace s1 = new AxisSpace(); AxisSpace s2 = null; try { s2 = (AxisSpace) s1.clone(); } catch (CloneNotSupportedException e) { System.err.println("Failed to clone."); } assertTrue(s1 != s2); assertTrue(s1.getClass() == s2.getClass()); assertTrue(s1.equals(s2));
DefaultDrawingSupplier r1 = new DefaultDrawingSupplier(); DefaultDrawingSupplier r2 = null; try { r2 = (DefaultDrawingSupplier) r1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); System.err.println("Failed to clone."); } 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/axis/junit/AxisSpaceTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/plot/junit/DefaultDrawingSupplierTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 7
1
AxisSpace s1 = new AxisSpace();
2
        AxisSpace s
1
DefaultDrawingSupplier r1 = new DefaultDrawingSupplier();
3
2 = null;
2
        DefaultDrawingSupplier r2 = null;
4
        try {
3
        try {
5
            s2 = (AxisSpace) s1.clone();
4
            r2 = (DefaultDrawingSupplier) r1.clone();
6
        }
5
        }
7
        catch (CloneNotSupportedException e) {
6
        catch (CloneNotSupportedException e) {
7
            e.printStackTrace();
8
            System.err.println("Failed to clone.");
8
            System.err.println("Failed to clone.");
9
        }
9
        }
10
        assertTrue(s1 != s2);
10
        assertTrue(r1 != r2);
11
        assertTrue(s1.getClass() == s2.getClass());
11
        assertTrue(r1.getClass() == r2.getClass());
12
        assertTrue(s1.equals(s2));
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 comparisons18
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements5
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)14.1
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    AxisSpace s1 = new AxisSpace();
    1
    AxisSpace s1 = new AxisSpace();
    1
    DefaultDrawingSupplier r1 = new DefaultDrawingSupplier();
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.AxisSpaceorg.jfree.chart.plot.DefaultDrawingSupplierSUBCLASS_TYPE_MISMATCH
    s1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.AxisSpaceorg.jfree.chart.plot.DefaultDrawingSupplierSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.axis.AxisSpaceorg.jfree.chart.plot.DefaultDrawingSupplierSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression new AxisSpace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new DefaultDrawingSupplier() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    1
    DefaultDrawingSupplier r1 = new DefaultDrawingSupplier();
    2
    AxisSpace s2 = null;
    2
    AxisSpace s2 = null;
    2
    DefaultDrawingSupplier r2 = null;
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.AxisSpaceorg.jfree.chart.plot.DefaultDrawingSupplierSUBCLASS_TYPE_MISMATCH
    s2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.AxisSpaceorg.jfree.chart.plot.DefaultDrawingSupplierSUBCLASS_TYPE_MISMATCH
    2
    DefaultDrawingSupplier r2 = null;
                
    3
    try
                                                                                      
    4
    r2 = (DefaultDrawingSupplier)r1.clone();
    Preondition Violations
    Unmatched statement r2=(DefaultDrawingSupplier)r1.clone(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    4
    r2 = (DefaultDrawingSupplier)r1.clone();
    3
    try
                
    4
    s2 = (AxisSpace)s1.clone();
    4
    s2 = (AxisSpace)s1.clone();
    Preondition Violations
    Unmatched statement s2=(AxisSpace)s1.clone(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                            
    5
    assertTrue(s1 != s2);
    5
    assertTrue(s1 != s2);
    5
    assertTrue(r1 != r2);
    Differences
    Expression1Expression2Difference
    s1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.AxisSpaceorg.jfree.chart.plot.DefaultDrawingSupplierSUBCLASS_TYPE_MISMATCH
    s2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.AxisSpaceorg.jfree.chart.plot.DefaultDrawingSupplierSUBCLASS_TYPE_MISMATCH
    5
    assertTrue(r1 != r2);
    6
    assertTrue(s1.getClass() == s2.getClass());
    6
    assertTrue(s1.getClass() == s2.getClass());
    6
    assertTrue(r1.getClass() == r2.getClass());
    Differences
    Expression1Expression2Difference
    s1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.AxisSpaceorg.jfree.chart.plot.DefaultDrawingSupplierSUBCLASS_TYPE_MISMATCH
    s2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.AxisSpaceorg.jfree.chart.plot.DefaultDrawingSupplierSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression s1 cannot be unified with expression r1 , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public final native Class<? extends org.jfree.chart.axis.AxisSpace> getClass() , public final native Class<? extends org.jfree.chart.plot.DefaultDrawingSupplier> getClass()
    Expression s2 cannot be unified with expression r2 , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public final native Class<? extends org.jfree.chart.axis.AxisSpace> getClass() , public final native Class<? extends org.jfree.chart.plot.DefaultDrawingSupplier> getClass()
    6
    assertTrue(r1.getClass() == r2.getClass());
    7
    assertTrue(s1.equals(s2));
    7
    assertTrue(s1.equals(s2));
    7
    assertTrue(r1.equals(r2));
    Differences
    Expression1Expression2Difference
    s2r2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.AxisSpaceorg.jfree.chart.plot.DefaultDrawingSupplierSUBCLASS_TYPE_MISMATCH
    s1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.AxisSpaceorg.jfree.chart.plot.DefaultDrawingSupplierSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression s2 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 s2 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 s1 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));
    Precondition Violations (10)
    Row Violation
    1Expression new AxisSpace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression new DefaultDrawingSupplier() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Unmatched statement r2=(DefaultDrawingSupplier)r1.clone(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    4Unmatched statement s2=(AxisSpace)s1.clone(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    5Expression s1 cannot be unified with expression r1 , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public final native Class<? extends org.jfree.chart.axis.AxisSpace> getClass() , public final native Class<? extends org.jfree.chart.plot.DefaultDrawingSupplier> getClass()
    6Expression s2 cannot be unified with expression r2 , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public final native Class<? extends org.jfree.chart.axis.AxisSpace> getClass() , public final native Class<? extends org.jfree.chart.plot.DefaultDrawingSupplier> getClass()
    7Expression s2 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)
    8Expression s2 cannot be unified with expression r2 , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public boolean equals(java.lang.Object)
    9Expression s1 cannot be unified with expression r1 , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public boolean equals(java.lang.Object)
    10Clone fragment #1 returns variables s1, s2 , while Clone fragment #2 returns variables r1, r2