SubCategoryAxis a1 = new SubCategoryAxis("Test"); SubCategoryAxis a2 = null; try { a2 = (SubCategoryAxis) a1.clone(); } catch (CloneNotSupportedException e) { System.err.println("Failed to clone."); } assertTrue(a1 != a2); assertTrue(a1.getClass() == a2.getClass()); assertTrue(a1.equals(a2));
ComparableObjectItem item1 = new ComparableObjectItem(new Integer(1), "XYZ"); ComparableObjectItem item2 = null; try { item2 = (ComparableObjectItem) item1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(item1 != item2); assertTrue(item1.getClass() == item2.getClass()); assertTrue(item1.equals(item2));
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/axis/junit/SubCategoryAxisTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/junit/ComparableObjectItemTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 7
1
SubCategoryAxis a1 = new SubCategoryAxis("Test");
2
        SubCategoryAxis a
1
ComparableObjectItem item1 = new ComparableObjectItem(new Integer(1), 
2
                "XYZ");
3
2 = null;
3
        ComparableObjectItem item2 = null;
4
        try {
4
        try {
5
            a2 = (SubCategoryAxis) a1.clone();
5
            item2 = (ComparableObjectItem) item1.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(item1 != item2);
11
        assertTrue(a1.getClass() == a2.getClass());
11
        assertTrue(item1.getClass() == item2.getClass());
12
        assertTrue(a1.equals(a2));
12
        assertTrue(item1.equals(item2));
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)3.9
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                                                                              
    1
    ComparableObjectItem item1 = new ComparableObjectItem(new Integer(1), "XYZ");
    Preondition Violations
    Unmatched statement ComparableObjectItem item1=new ComparableObjectItem(new Integer(1),"XYZ"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    ComparableObjectItem item1 = new ComparableObjectItem(new Integer(1), "XYZ");
    1
    SubCategoryAxis a1 = new SubCategoryAxis("Test");
    1
    SubCategoryAxis a1 = new SubCategoryAxis("Test");
    Preondition Violations
    Unmatched statement SubCategoryAxis a1=new SubCategoryAxis("Test"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                                        
                                                                          
    2
    ComparableObjectItem item2 = null;
    2
    SubCategoryAxis 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
    item2 = (ComparableObjectItem)item1.clone();
    Preondition Violations
    Unmatched statement item2=(ComparableObjectItem)item1.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
    item2 = (ComparableObjectItem)item1.clone();
    4
    a2 = (SubCategoryAxis)a1.clone();
    4
    a2 = (SubCategoryAxis)a1.clone();
    Preondition Violations
    Unmatched statement a2=(SubCategoryAxis)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(item1 != item2);
    Differences
    Expression1Expression2Difference
    a1item1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.SubCategoryAxisorg.jfree.data.ComparableObjectItemVARIABLE_TYPE_MISMATCH
    a2item2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.SubCategoryAxisorg.jfree.data.ComparableObjectItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.SubCategoryAxis of variable a1 does not match with type org.jfree.data.ComparableObjectItem of variable item1
    • Make classes org.jfree.chart.axis.SubCategoryAxis and org.jfree.data.ComparableObjectItem extend a common superclass
    Type org.jfree.chart.axis.SubCategoryAxis of variable a2 does not match with type org.jfree.data.ComparableObjectItem of variable item2
    • Make classes org.jfree.chart.axis.SubCategoryAxis and org.jfree.data.ComparableObjectItem extend a common superclass
    5
    assertTrue(item1 != item2);
    6
    assertTrue(a1.getClass() == a2.getClass());
    6
    assertTrue(a1.getClass() == a2.getClass());
    6
    assertTrue(item1.getClass() == item2.getClass());
    Differences
    Expression1Expression2Difference
    a1item1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.SubCategoryAxisorg.jfree.data.ComparableObjectItemVARIABLE_TYPE_MISMATCH
    a2item2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.SubCategoryAxisorg.jfree.data.ComparableObjectItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.SubCategoryAxis of variable a1 does not match with type org.jfree.data.ComparableObjectItem of variable item1
    • Make classes org.jfree.chart.axis.SubCategoryAxis and org.jfree.data.ComparableObjectItem extend a common superclass
    Type org.jfree.chart.axis.SubCategoryAxis of variable a2 does not match with type org.jfree.data.ComparableObjectItem of variable item2
    • Make classes org.jfree.chart.axis.SubCategoryAxis and org.jfree.data.ComparableObjectItem extend a common superclass
    6
    assertTrue(item1.getClass() == item2.getClass());
    7
    assertTrue(a1.equals(a2));
    7
    assertTrue(a1.equals(a2));
    7
    assertTrue(item1.equals(item2));
    Differences
    Expression1Expression2Difference
    a2item2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.SubCategoryAxisorg.jfree.data.ComparableObjectItemVARIABLE_TYPE_MISMATCH
    a1item1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.SubCategoryAxisorg.jfree.data.ComparableObjectItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.SubCategoryAxis of variable a2 does not match with type org.jfree.data.ComparableObjectItem of variable item2
    • Make classes org.jfree.chart.axis.SubCategoryAxis and org.jfree.data.ComparableObjectItem extend a common superclass
    Type org.jfree.chart.axis.SubCategoryAxis of variable a1 does not match with type org.jfree.data.ComparableObjectItem of variable item1
    • Make classes org.jfree.chart.axis.SubCategoryAxis and org.jfree.data.ComparableObjectItem extend a common superclass
    7
    assertTrue(item1.equals(item2));
    Precondition Violations (17)
    Row Violation
    1Unmatched statement ComparableObjectItem item1=new ComparableObjectItem(new Integer(1),"XYZ"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement SubCategoryAxis a1=new SubCategoryAxis("Test"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    5Expression e.printStackTrace() 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 System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    9Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    10Unmatched statement item2=(ComparableObjectItem)item1.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
    11Unmatched statement a2=(SubCategoryAxis)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
    12Type org.jfree.chart.axis.SubCategoryAxis of variable a1 does not match with type org.jfree.data.ComparableObjectItem of variable item1
    13Type org.jfree.chart.axis.SubCategoryAxis of variable a2 does not match with type org.jfree.data.ComparableObjectItem of variable item2
    14Type org.jfree.chart.axis.SubCategoryAxis of variable a1 does not match with type org.jfree.data.ComparableObjectItem of variable item1
    15Type org.jfree.chart.axis.SubCategoryAxis of variable a2 does not match with type org.jfree.data.ComparableObjectItem of variable item2
    16Type org.jfree.chart.axis.SubCategoryAxis of variable a2 does not match with type org.jfree.data.ComparableObjectItem of variable item2
    17Type org.jfree.chart.axis.SubCategoryAxis of variable a1 does not match with type org.jfree.data.ComparableObjectItem of variable item1