DefaultCategoryDataset d1 = new DefaultCategoryDataset(); d1.setValue(23.4, "R1", "C1"); DefaultCategoryDataset d2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(d1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); d2 = (DefaultCategoryDataset) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(d1, d2);
XYDataItem i1 = new XYDataItem(1.0, 1.1); XYDataItem i2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(i1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray()) ); i2 = (XYDataItem) in.readObject(); in.close(); } catch (Exception e) { System.out.println(e.toString()); } assertEquals(i1, i2);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/data/category/junit/DefaultCategoryDatasetTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/xy/junit/XYDataItemTests.java
Method name: void testSerialization() Method name: void testSerialization()
Number of AST nodes: 12 Number of AST nodes: 11
1
DefaultCategoryDataset d1 = new DefaultCategoryDataset();
2
        d1.setValue(23.4, "R1", "C1");
3
        DefaultCategoryDataset d
1
XYDataItem i1 = new XYDataItem(1.0, 1.1);
4
2 = null;
2
        XYDataItem i2 = null;
3
        
5
        try {
4
        try {
6
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
5
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
7
            ObjectOutput out = new ObjectOutputStream(buffer);
6
            ObjectOutput out = new ObjectOutputStream(buffer);
8
            out.writeObject(d1);
7
            out.writeObject(i1);
9
            out.close();
8
            out.close();
10
            ObjectInput in = new ObjectInputStream(
9
            ObjectInput in = new ObjectInputStream(
11
                    new ByteArrayInputStream(buffer.toByteArray())
10
                new ByteArrayInputStream(buffer.toByteArray())
12
);
11
            );
13
            d2 = (DefaultCategoryDataset) in.readObject();
12
            i2 = (XYDataItem) in.readObject();
14
            in.close();
13
            in.close();
15
        }
14
        }
16
        catch (Exception e) {
15
        catch (Exception e) {
17
            e.printStackTrace();
16
            System.out.println(e.toString());
18
        }
17
        }
19
        assertEquals(d1, d2);
18
        assertEquals(i1, i2);
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 comparisons76
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements8
    Number of unmapped statements in the first code fragment4
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)12.4
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
                                                                                      
    1
    XYDataItem i1 = new XYDataItem(1.0, 1.1);
    Preondition Violations
    Unmatched statement XYDataItem i1=new XYDataItem(1.0,1.1); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    XYDataItem i1 = new XYDataItem(1.0, 1.1);
    1
    DefaultCategoryDataset d1 = new DefaultCategoryDataset();
    1
    DefaultCategoryDataset d1 = new DefaultCategoryDataset();
    Preondition Violations
    Unmatched statement DefaultCategoryDataset d1=new DefaultCategoryDataset(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                                                        
                                                
    2
    XYDataItem i2 = null;
    2
    d1.setValue(23.4, "R1", "C1");
    2
    d1.setValue(23.4, "R1", "C1");
    Preondition Violations
    Unmatched statement d1.setValue(23.4,"R1","C1"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                  
    3
    DefaultCategoryDataset d2 = null;
                                                                        
    4
    try
    4
    try
    3
    try
    Differences
    Expression1Expression2Difference
    printStackTraceprintlnMETHOD_INVOCATION_NAME_MISMATCH
    eSystem.outAST_TYPE_MISMATCH
    e.printStackTrace()System.out.println(e.toString())ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression System.out.println(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    Expression System.out.println(e.toString()) 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.out.println(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    Expression System.out.println(e.toString()) is a void method call, and thus it cannot be parameterized
    3
    try
    5
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    4
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    6
    ObjectOutput out = new ObjectOutputStream(buffer);
    5
    ObjectOutput out = new ObjectOutputStream(buffer);
    7
    out.writeObject(d1);
    7
    out.writeObject(d1);
    6
    out.writeObject(i1);
    Differences
    Expression1Expression2Difference
    d1i1VARIABLE_NAME_MISMATCH
    org.jfree.data.category.DefaultCategoryDatasetorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.category.DefaultCategoryDataset of variable d1 does not match with type org.jfree.data.xy.XYDataItem of variable i1
    • Make classes org.jfree.data.category.DefaultCategoryDataset and org.jfree.data.xy.XYDataItem extend a common superclass
    6
    out.writeObject(i1);
    8
    out.close();
    7
    out.close();
    9
    ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
    8
    ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
                                                                        
    9
    i2 = (XYDataItem)in.readObject();
    Preondition Violations
    Unmatched statement i2=(XYDataItem)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement i2=(XYDataItem)in.readObject(); 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
    9
    i2 = (XYDataItem)in.readObject();
    10
    d2 = (DefaultCategoryDataset)in.readObject();
    10
    d2 = (DefaultCategoryDataset)in.readObject();
    Preondition Violations
    Unmatched statement d2=(DefaultCategoryDataset)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement d2=(DefaultCategoryDataset)in.readObject(); 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
                                                                                                  
    11
    in.close();
    10
    in.close();
    12
    assertEquals(d1, d2);
    12
    assertEquals(d1, d2);
    11
    assertEquals(i1, i2);
    Differences
    Expression1Expression2Difference
    d1i1VARIABLE_NAME_MISMATCH
    org.jfree.data.category.DefaultCategoryDatasetorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    d2i2VARIABLE_NAME_MISMATCH
    org.jfree.data.category.DefaultCategoryDatasetorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.category.DefaultCategoryDataset of variable d1 does not match with type org.jfree.data.xy.XYDataItem of variable i1
    • Make classes org.jfree.data.category.DefaultCategoryDataset and org.jfree.data.xy.XYDataItem extend a common superclass
    Type org.jfree.data.category.DefaultCategoryDataset of variable d2 does not match with type org.jfree.data.xy.XYDataItem of variable i2
    • Make classes org.jfree.data.category.DefaultCategoryDataset and org.jfree.data.xy.XYDataItem extend a common superclass
    11
    assertEquals(i1, i2);
    Precondition Violations (19)
    Row Violation
    1Unmatched statement XYDataItem i1=new XYDataItem(1.0,1.1); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement DefaultCategoryDataset d1=new DefaultCategoryDataset(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement d1.setValue(23.4,"R1","C1"); 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.out.println(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    7Expression System.out.println(e.toString()) is a void method call, and thus it cannot be parameterized
    8Expression e cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression System.out.println(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    12Expression System.out.println(e.toString()) is a void method call, and thus it cannot be parameterized
    13Type org.jfree.data.category.DefaultCategoryDataset of variable d1 does not match with type org.jfree.data.xy.XYDataItem of variable i1
    14Unmatched statement i2=(XYDataItem)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    15Unmatched statement i2=(XYDataItem)in.readObject(); 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
    16Unmatched statement d2=(DefaultCategoryDataset)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    17Unmatched statement d2=(DefaultCategoryDataset)in.readObject(); 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
    18Type org.jfree.data.category.DefaultCategoryDataset of variable d1 does not match with type org.jfree.data.xy.XYDataItem of variable i1
    19Type org.jfree.data.category.DefaultCategoryDataset of variable d2 does not match with type org.jfree.data.xy.XYDataItem of variable i2