CategoryAxis a1 = new CategoryAxis("Test"); CategoryAxis a2 = null; try { a2 = (CategoryAxis) a1.clone(); } catch (CloneNotSupportedException e) { System.err.println("Failed to clone."); } 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/CategoryAxisTests.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
CategoryAxis a1 = new CategoryAxis("Test");
1
TickUnits t1 = 
2
        CategoryAxi
2
(TickUnits) NumberAxis.createIntegerTickUnits();
3
s a2 = null;
3
        TickUnits t2 = null;
4
        try {
4
        try {
5
            a2 = (CategoryAxis) a1.clone();
5
            t2 = (TickUnits) t1.clone();
6
        }
6
        }
7
        catch (CloneNotSupportedException e) {
7
        catch (CloneNotSupportedException e) {
8
            System.err.println("Failed to clone.");
8
            e.printStackTrace();
9
        }
9
        }
10
        assertTrue(a1 != a2);
10
        assertTrue(t1 != t2);
11
        assertTrue(a1.getClass() == a2.getClass());
11
        assertTrue(t1.getClass() == t2.getClass());
12
        assertTrue(a1.equals(a2));
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)0.3
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)3.7
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                                                  
    1
    TickUnits t1 = (TickUnits)NumberAxis.createIntegerTickUnits();
    1
    CategoryAxis a1 = new CategoryAxis("Test");
    1
    CategoryAxis a1 = new CategoryAxis("Test");
    Preondition Violations
    Unmatched statement CategoryAxis a1=new CategoryAxis("Test"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                            
                                              
    2
    TickUnits t2 = null;
    2
    CategoryAxis a2 = null;
                                                    
    3
    try
    3
    try
    3
    try
    Differences
    Expression1Expression2Difference
    printlnprintStackTraceMETHOD_INVOCATION_NAME_MISMATCH
    System.erreAST_TYPE_MISMATCH
    System.err.println("Failed to clone.")e.printStackTrace()ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    Expression e.printStackTrace() 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 System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    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 = (CategoryAxis)a1.clone();
    4
    a2 = (CategoryAxis)a1.clone();
    Preondition Violations
    Unmatched statement a2=(CategoryAxis)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.CategoryAxisorg.jfree.chart.axis.TickUnitsVARIABLE_TYPE_MISMATCH
    a2t2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.CategoryAxisorg.jfree.chart.axis.TickUnitsVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.CategoryAxis of variable a1 does not match with type org.jfree.chart.axis.TickUnits of variable t1
    • Make classes org.jfree.chart.axis.CategoryAxis and org.jfree.chart.axis.TickUnits extend a common superclass
    Type org.jfree.chart.axis.CategoryAxis of variable a2 does not match with type org.jfree.chart.axis.TickUnits of variable t2
    • Make classes org.jfree.chart.axis.CategoryAxis 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.CategoryAxisorg.jfree.chart.axis.TickUnitsVARIABLE_TYPE_MISMATCH
    a2t2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.CategoryAxisorg.jfree.chart.axis.TickUnitsVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.CategoryAxis of variable a1 does not match with type org.jfree.chart.axis.TickUnits of variable t1
    • Make classes org.jfree.chart.axis.CategoryAxis and org.jfree.chart.axis.TickUnits extend a common superclass
    Type org.jfree.chart.axis.CategoryAxis of variable a2 does not match with type org.jfree.chart.axis.TickUnits of variable t2
    • Make classes org.jfree.chart.axis.CategoryAxis 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.CategoryAxisorg.jfree.chart.axis.TickUnitsVARIABLE_TYPE_MISMATCH
    a1t1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.CategoryAxisorg.jfree.chart.axis.TickUnitsVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.CategoryAxis of variable a2 does not match with type org.jfree.chart.axis.TickUnits of variable t2
    • Make classes org.jfree.chart.axis.CategoryAxis and org.jfree.chart.axis.TickUnits extend a common superclass
    Type org.jfree.chart.axis.CategoryAxis of variable a1 does not match with type org.jfree.chart.axis.TickUnits of variable t1
    • Make classes org.jfree.chart.axis.CategoryAxis and org.jfree.chart.axis.TickUnits extend a common superclass
    7
    assertTrue(t1.equals(t2));
    Precondition Violations (16)
    Row Violation
    1Unmatched statement CategoryAxis a1=new CategoryAxis("Test"); 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 System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    4Expression e.printStackTrace() 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 System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    8Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    9Unmatched 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
    10Unmatched statement a2=(CategoryAxis)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
    11Type org.jfree.chart.axis.CategoryAxis of variable a1 does not match with type org.jfree.chart.axis.TickUnits of variable t1
    12Type org.jfree.chart.axis.CategoryAxis of variable a2 does not match with type org.jfree.chart.axis.TickUnits of variable t2
    13Type org.jfree.chart.axis.CategoryAxis of variable a1 does not match with type org.jfree.chart.axis.TickUnits of variable t1
    14Type org.jfree.chart.axis.CategoryAxis of variable a2 does not match with type org.jfree.chart.axis.TickUnits of variable t2
    15Type org.jfree.chart.axis.CategoryAxis of variable a2 does not match with type org.jfree.chart.axis.TickUnits of variable t2
    16Type org.jfree.chart.axis.CategoryAxis of variable a1 does not match with type org.jfree.chart.axis.TickUnits of variable t1