LongNeedle n1 = new LongNeedle(); LongNeedle n2 = null; try { n2 = (LongNeedle) n1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); System.err.println("Failed to clone."); } assertTrue(n1 != n2); assertTrue(n1.getClass() == n2.getClass()); assertTrue(n1.equals(n2));
DateTitle t1 = new DateTitle(); DateTitle t2 = null; try { t2 = (DateTitle) t1.clone(); } catch (CloneNotSupportedException e) { System.err.println("DateTitleTests.testCloning: failed to clone."); } 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/needle/junit/LongNeedleTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/title/junit/DateTitleTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 7
1
LongNeedle n1 = new LongNeedle();
1
DateTitle t1 = new DateTitle();
2
        LongNeedle n2 = null;
2
        DateTitle t2 = null;
3
        try {
3
        try {
4
            n2 = (LongNeedle) n1.clone();
4
            t2 = (DateTitle) t1.clone();
5
        }
5
        }
6
        catch (CloneNotSupportedException e) {
6
        catch (CloneNotSupportedException e) {
7
            e.printStackTrace();
7
            
8
            System.err.println("Failed to clone.");
8
System.err.println("DateTitleTests.testCloning: failed to clone.");
9
        }
9
        }
10
        assertTrue(n1 != n2);
10
        assertTrue(t1 != t2);
11
        assertTrue(n1.getClass() == n2.getClass());
11
        assertTrue(t1.getClass() == t2.getClass());
12
        assertTrue(n1.equals(n2));
12
        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)0.1
Clones locationClones are in different classes having the same super class
Number of node comparisons26
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements3
    Number of unmapped statements in the first code fragment4
    Number of unmapped statements in the second code fragment4
    Time elapsed for statement mapping (ms)3.6
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
                                                                    
    1
    DateTitle t1 = new DateTitle();
    1
    LongNeedle n1 = new LongNeedle();
                                                                        
                                              
    2
    DateTitle t2 = null;
    2
    LongNeedle n2 = null;
                                                
                
    3
    try
                                                            
    4
    t2 = (DateTitle)t1.clone();
    3
    try
                
    4
    n2 = (LongNeedle)n1.clone();
                                                              
    5
    assertTrue(n1 != n2);
    5
    assertTrue(n1 != n2);
    5
    assertTrue(t1 != t2);
    Differences
    Expression1Expression2Difference
    n1t1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LongNeedleorg.jfree.chart.title.DateTitleVARIABLE_TYPE_MISMATCH
    n2t2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LongNeedleorg.jfree.chart.title.DateTitleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.LongNeedle of variable n1 does not match with type org.jfree.chart.title.DateTitle of variable t1
    • Make classes org.jfree.chart.needle.LongNeedle and org.jfree.chart.title.DateTitle extend a common superclass
    Type org.jfree.chart.needle.LongNeedle of variable n2 does not match with type org.jfree.chart.title.DateTitle of variable t2
    • Make classes org.jfree.chart.needle.LongNeedle and org.jfree.chart.title.DateTitle extend a common superclass
    5
    assertTrue(t1 != t2);
    6
    assertTrue(n1.getClass() == n2.getClass());
    6
    assertTrue(n1.getClass() == n2.getClass());
    6
    assertTrue(t1.getClass() == t2.getClass());
    Differences
    Expression1Expression2Difference
    n1t1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LongNeedleorg.jfree.chart.title.DateTitleVARIABLE_TYPE_MISMATCH
    n2t2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LongNeedleorg.jfree.chart.title.DateTitleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.LongNeedle of variable n1 does not match with type org.jfree.chart.title.DateTitle of variable t1
    • Make classes org.jfree.chart.needle.LongNeedle and org.jfree.chart.title.DateTitle extend a common superclass
    Type org.jfree.chart.needle.LongNeedle of variable n2 does not match with type org.jfree.chart.title.DateTitle of variable t2
    • Make classes org.jfree.chart.needle.LongNeedle and org.jfree.chart.title.DateTitle extend a common superclass
    6
    assertTrue(t1.getClass() == t2.getClass());
    7
    assertTrue(n1.equals(n2));
    7
    assertTrue(n1.equals(n2));
    7
    assertTrue(t1.equals(t2));
    Differences
    Expression1Expression2Difference
    n2t2VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LongNeedleorg.jfree.chart.title.DateTitleVARIABLE_TYPE_MISMATCH
    n1t1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.LongNeedleorg.jfree.chart.title.DateTitleVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.LongNeedle of variable n2 does not match with type org.jfree.chart.title.DateTitle of variable t2
    • Make classes org.jfree.chart.needle.LongNeedle and org.jfree.chart.title.DateTitle extend a common superclass
    Type org.jfree.chart.needle.LongNeedle of variable n1 does not match with type org.jfree.chart.title.DateTitle of variable t1
    • Make classes org.jfree.chart.needle.LongNeedle and org.jfree.chart.title.DateTitle extend a common superclass
    7
    assertTrue(t1.equals(t2));
    Precondition Violations (6)
    Row Violation
    1Type org.jfree.chart.needle.LongNeedle of variable n1 does not match with type org.jfree.chart.title.DateTitle of variable t1
    2Type org.jfree.chart.needle.LongNeedle of variable n2 does not match with type org.jfree.chart.title.DateTitle of variable t2
    3Type org.jfree.chart.needle.LongNeedle of variable n1 does not match with type org.jfree.chart.title.DateTitle of variable t1
    4Type org.jfree.chart.needle.LongNeedle of variable n2 does not match with type org.jfree.chart.title.DateTitle of variable t2
    5Type org.jfree.chart.needle.LongNeedle of variable n2 does not match with type org.jfree.chart.title.DateTitle of variable t2
    6Type org.jfree.chart.needle.LongNeedle of variable n1 does not match with type org.jfree.chart.title.DateTitle of variable t1