CategoryAxis a1 = new CategoryAxis("Test"); a1.setAxisLinePaint(Color.red); 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));
LegendItem item1 = new LegendItem("Item"); LegendItem item2 = null; try { item2 = (LegendItem) item1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(item1 != item2); assertTrue(item1.getClass() == item2.getClass()); assertTrue(item1.equals(item2)); // the clone references the same dataset as the original assertTrue(item1.getDataset() == item2.getDataset());
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/axis/junit/AxisTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/junit/LegendItemTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 8 Number of AST nodes: 8
1
CategoryAxis a1 = new CategoryAxis("Test");
2
        a1.setAxisLinePaint(Color.red);
3
        CategoryAxis a
1
LegendItem item1 = new LegendItem("Item");
4
2 = null;
2
        LegendItem item2 = null;
5
        try {
3
        try {
6
            a2 = (CategoryAxis) a1.clone();
4
            item2 = (LegendItem) item1.clone();
7
        }
5
        }
8
        catch (CloneNotSupportedException e) {
6
        catch (CloneNotSupportedException e) {
9
            System.err.println("Failed to clone.");
7
            e.printStackTrace();
10
        }
8
        }
11
        assertTrue(a1 != a2);
9
        assertTrue(item1 != item2);
12
        assertTrue(a1.getClass() == a2.getClass());
10
        assertTrue(item1.getClass() == item2.getClass());
13
        assertTrue(a1.equals(a2
11
        assertTrue(item1.equals(item2));
12
        // the clone references the same dataset as the original
14
));
13
        assertTrue(item1.getDataset() == item2.getDataset());
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 comparisons40
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment4
    Number of unmapped statements in the second code fragment4
    Time elapsed for statement mapping (ms)5.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                          
    1
    LegendItem item1 = new LegendItem("Item");
    Preondition Violations
    Unmatched statement LegendItem item1=new LegendItem("Item"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    LegendItem item1 = new LegendItem("Item");
    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
    LegendItem item2 = null;
    2
    a1.setAxisLinePaint(Color.red);
    2
    a1.setAxisLinePaint(Color.red);
    Preondition Violations
    Unmatched statement a1.setAxisLinePaint(Color.red); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                        
    3
    CategoryAxis a2 = null;
                                                    
    4
    try
    4
    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 = (LegendItem)item1.clone();
    Preondition Violations
    Unmatched statement item2=(LegendItem)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 = (LegendItem)item1.clone();
    5
    a2 = (CategoryAxis)a1.clone();
    5
    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
                                                                  
    6
    assertTrue(a1 != a2);
    6
    assertTrue(a1 != a2);
    5
    assertTrue(item1 != item2);
    Differences
    Expression1Expression2Difference
    a1item1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.CategoryAxisorg.jfree.chart.LegendItemVARIABLE_TYPE_MISMATCH
    a2item2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.CategoryAxisorg.jfree.chart.LegendItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.CategoryAxis of variable a1 does not match with type org.jfree.chart.LegendItem of variable item1
    • Make classes org.jfree.chart.axis.CategoryAxis and org.jfree.chart.LegendItem extend a common superclass
    Type org.jfree.chart.axis.CategoryAxis of variable a2 does not match with type org.jfree.chart.LegendItem of variable item2
    • Make classes org.jfree.chart.axis.CategoryAxis and org.jfree.chart.LegendItem extend a common superclass
    5
    assertTrue(item1 != item2);
    7
    assertTrue(a1.getClass() == a2.getClass());
    7
    assertTrue(a1.getClass() == a2.getClass());
    6
    assertTrue(item1.getClass() == item2.getClass());
    Differences
    Expression1Expression2Difference
    a1item1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.CategoryAxisorg.jfree.chart.LegendItemVARIABLE_TYPE_MISMATCH
    a2item2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.CategoryAxisorg.jfree.chart.LegendItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.CategoryAxis of variable a1 does not match with type org.jfree.chart.LegendItem of variable item1
    • Make classes org.jfree.chart.axis.CategoryAxis and org.jfree.chart.LegendItem extend a common superclass
    Type org.jfree.chart.axis.CategoryAxis of variable a2 does not match with type org.jfree.chart.LegendItem of variable item2
    • Make classes org.jfree.chart.axis.CategoryAxis and org.jfree.chart.LegendItem extend a common superclass
    6
    assertTrue(item1.getClass() == item2.getClass());
    8
    assertTrue(a1.equals(a2));
    8
    assertTrue(a1.equals(a2));
    7
    assertTrue(item1.equals(item2));
    Differences
    Expression1Expression2Difference
    a2item2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.CategoryAxisorg.jfree.chart.LegendItemVARIABLE_TYPE_MISMATCH
    a1item1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.CategoryAxisorg.jfree.chart.LegendItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.CategoryAxis of variable a2 does not match with type org.jfree.chart.LegendItem of variable item2
    • Make classes org.jfree.chart.axis.CategoryAxis and org.jfree.chart.LegendItem extend a common superclass
    Type org.jfree.chart.axis.CategoryAxis of variable a1 does not match with type org.jfree.chart.LegendItem of variable item1
    • Make classes org.jfree.chart.axis.CategoryAxis and org.jfree.chart.LegendItem extend a common superclass
    7
    assertTrue(item1.equals(item2));
                                                                                                                    
    8
    assertTrue(item1.getDataset() == item2.getDataset());
    Precondition Violations (18)
    Row Violation
    1Unmatched statement LegendItem item1=new LegendItem("Item"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement CategoryAxis a1=new CategoryAxis("Test"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement a1.setAxisLinePaint(Color.red); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    6Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    7Expression e cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    10Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    11Unmatched statement item2=(LegendItem)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
    12Unmatched 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
    13Type org.jfree.chart.axis.CategoryAxis of variable a1 does not match with type org.jfree.chart.LegendItem of variable item1
    14Type org.jfree.chart.axis.CategoryAxis of variable a2 does not match with type org.jfree.chart.LegendItem of variable item2
    15Type org.jfree.chart.axis.CategoryAxis of variable a1 does not match with type org.jfree.chart.LegendItem of variable item1
    16Type org.jfree.chart.axis.CategoryAxis of variable a2 does not match with type org.jfree.chart.LegendItem of variable item2
    17Type org.jfree.chart.axis.CategoryAxis of variable a2 does not match with type org.jfree.chart.LegendItem of variable item2
    18Type org.jfree.chart.axis.CategoryAxis of variable a1 does not match with type org.jfree.chart.LegendItem of variable item1