DateAxis a1 = new DateAxis("Test"); DateAxis a2 = null; try { a2 = (DateAxis) a1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(a1 != a2); assertTrue(a1.getClass() == a2.getClass()); assertTrue(a1.equals(a2));
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));
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/axis/junit/DateAxisTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/axis/junit/TickUnitsTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 7
1
DateAxis a1 = new DateAxis("Test");
1
TickUnits t1 = (TickUnits) NumberAxis.createIntegerTickUnits();
2
        DateAxis a2 = null;
2
        TickUnits t2 = null;
3
        try {
3
        try {
4
            a2 = (DateAxis) a1.clone();
4
            t2 = (TickUnits) t1.clone();
5
        }
5
        }
6
        catch (CloneNotSupportedException e) {
6
        catch (CloneNotSupportedException e) {
7
            e.printStackTrace();
7
            e.printStackTrace();
8
        }
8
        }
9
        assertTrue(a1 != a2);
9
        assertTrue(t1 != t2);
10
        assertTrue(a1.getClass() == a2.getClass());
10
        assertTrue(t1.getClass() == t2.getClass());
11
        assertTrue(a1.equals(a2));
11
        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 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)3.8
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                                                  
    1
    TickUnits t1 = (TickUnits)NumberAxis.createIntegerTickUnits();
    1
    DateAxis a1 = new DateAxis("Test");
    1
    DateAxis a1 = new DateAxis("Test");
    Preondition Violations
    Unmatched statement DateAxis a1=new DateAxis("Test"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                            
                                              
    2
    TickUnits t2 = null;
    2
    DateAxis a2 = null;
                                            
    3
    try
    3
    try
                                                            
    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
    4
    t2 = (TickUnits)t1.clone();
    4
    a2 = (DateAxis)a1.clone();
    4
    a2 = (DateAxis)a1.clone();
    Preondition Violations
    Unmatched statement a2=(DateAxis)a1.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(a1 != a2);
    5
    assertTrue(a1 != a2);
    5
    assertTrue(t1 != t2);
    Differences
    Expression1Expression2Difference
    a1t1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.DateAxisorg.jfree.chart.axis.TickUnitsVARIABLE_TYPE_MISMATCH
    a2t2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.DateAxisorg.jfree.chart.axis.TickUnitsVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.DateAxis of variable a1 does not match with type org.jfree.chart.axis.TickUnits of variable t1
    • Make classes org.jfree.chart.axis.DateAxis and org.jfree.chart.axis.TickUnits extend a common superclass
    Type org.jfree.chart.axis.DateAxis of variable a2 does not match with type org.jfree.chart.axis.TickUnits of variable t2
    • Make classes org.jfree.chart.axis.DateAxis and org.jfree.chart.axis.TickUnits extend a common superclass
    5
    assertTrue(t1 != t2);
    6
    assertTrue(a1.getClass() == a2.getClass());
    6
    assertTrue(a1.getClass() == a2.getClass());
    6
    assertTrue(t1.getClass() == t2.getClass());
    Differences
    Expression1Expression2Difference
    a1t1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.DateAxisorg.jfree.chart.axis.TickUnitsVARIABLE_TYPE_MISMATCH
    a2t2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.DateAxisorg.jfree.chart.axis.TickUnitsVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.DateAxis of variable a1 does not match with type org.jfree.chart.axis.TickUnits of variable t1
    • Make classes org.jfree.chart.axis.DateAxis and org.jfree.chart.axis.TickUnits extend a common superclass
    Type org.jfree.chart.axis.DateAxis of variable a2 does not match with type org.jfree.chart.axis.TickUnits of variable t2
    • Make classes org.jfree.chart.axis.DateAxis and org.jfree.chart.axis.TickUnits extend a common superclass
    6
    assertTrue(t1.getClass() == t2.getClass());
    7
    assertTrue(a1.equals(a2));
    7
    assertTrue(a1.equals(a2));
    7
    assertTrue(t1.equals(t2));
    Differences
    Expression1Expression2Difference
    a2t2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.DateAxisorg.jfree.chart.axis.TickUnitsVARIABLE_TYPE_MISMATCH
    a1t1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.DateAxisorg.jfree.chart.axis.TickUnitsVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.DateAxis of variable a2 does not match with type org.jfree.chart.axis.TickUnits of variable t2
    • Make classes org.jfree.chart.axis.DateAxis and org.jfree.chart.axis.TickUnits extend a common superclass
    Type org.jfree.chart.axis.DateAxis of variable a1 does not match with type org.jfree.chart.axis.TickUnits of variable t1
    • Make classes org.jfree.chart.axis.DateAxis and org.jfree.chart.axis.TickUnits extend a common superclass
    7
    assertTrue(t1.equals(t2));
    Precondition Violations (9)
    Row Violation
    1Unmatched statement DateAxis a1=new DateAxis("Test"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched 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
    3Unmatched statement a2=(DateAxis)a1.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
    4Type org.jfree.chart.axis.DateAxis of variable a1 does not match with type org.jfree.chart.axis.TickUnits of variable t1
    5Type org.jfree.chart.axis.DateAxis of variable a2 does not match with type org.jfree.chart.axis.TickUnits of variable t2
    6Type org.jfree.chart.axis.DateAxis of variable a1 does not match with type org.jfree.chart.axis.TickUnits of variable t1
    7Type org.jfree.chart.axis.DateAxis of variable a2 does not match with type org.jfree.chart.axis.TickUnits of variable t2
    8Type org.jfree.chart.axis.DateAxis of variable a2 does not match with type org.jfree.chart.axis.TickUnits of variable t2
    9Type org.jfree.chart.axis.DateAxis of variable a1 does not match with type org.jfree.chart.axis.TickUnits of variable t1