DatasetGroup g1 = new DatasetGroup(); DatasetGroup g2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(g1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray()) ); g2 = (DatasetGroup) in.readObject(); in.close(); } catch (Exception e) { System.out.println(e.toString()); } assertEquals(g1, g2);
DefaultMultiValueCategoryDataset d1 = new DefaultMultiValueCategoryDataset(); DefaultMultiValueCategoryDataset d2 = new DefaultMultiValueCategoryDataset(); try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(d1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); d2 = (DefaultMultiValueCategoryDataset) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(d1, d2);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/data/general/junit/DatasetGroupTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/statistics/junit/DefaultMultiValueCategoryDatasetTests.java
Method name: void testSerialization() Method name: void testSerialization()
Number of AST nodes: 11 Number of AST nodes: 11
1
DatasetGroup g1 = new DatasetGroup();
1
D
2
        DatasetGroup g2 = null
2
efaultMultiValueCategoryDataset d1 
3
                = new DefaultMultiValueCategoryDataset();
4
        DefaultMultiValueCategoryDataset d2 
3
;
5
                = new DefaultMultiValueCategoryDataset();
4
        try {
6
        try {
5
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
7
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
6
            ObjectOutput out = new ObjectOutputStream(buffer);
8
            ObjectOutput out = new ObjectOutputStream(buffer);
7
            out.writeObject(g1);
9
            out.writeObject(d1);
8
            out.close();
10
            out.close();
9
            ObjectInput in = new ObjectInputStream(
11
            ObjectInput in = new ObjectInputStream(
10
                new ByteArrayInputStream(buffer.toByteArray())
12
                    new ByteArrayInputStream(buffer.toByteArray())
11
            );
13
);
12
            g2 = (DatasetGroup) in.readObject();
14
            d2 = (DefaultMultiValueCategoryDataset) in.readObject();
13
            in.close();
15
            in.close();
14
        }
16
        }
15
        catch (Exception e) {
17
        catch (Exception e) {
16
            System.out.println(e.toString());
18
            e.printStackTrace();
17
        }
19
        }
18
        assertEquals(g1, g2);
20
        assertEquals(d1, d2);
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 comparisons73
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements8
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)12.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                                                                                
    1
    DefaultMultiValueCategoryDataset d1 = new DefaultMultiValueCategoryDataset();
    Preondition Violations
    Unmatched statement DefaultMultiValueCategoryDataset d1=new DefaultMultiValueCategoryDataset(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    DefaultMultiValueCategoryDataset d1 = new DefaultMultiValueCategoryDataset();
    1
    DatasetGroup g1 = new DatasetGroup();
    1
    DatasetGroup g1 = new DatasetGroup();
    Preondition Violations
    Unmatched statement DatasetGroup g1=new DatasetGroup(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                
                                                                                                                                                                
    2
    DefaultMultiValueCategoryDataset d2 = new DefaultMultiValueCategoryDataset();
    Preondition Violations
    Unmatched statement DefaultMultiValueCategoryDataset d2=new DefaultMultiValueCategoryDataset(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2
    DefaultMultiValueCategoryDataset d2 = new DefaultMultiValueCategoryDataset();
    2
    DatasetGroup g2 = null;
                                                    
    3
    try
    3
    try
    3
    try
    Differences
    Expression1Expression2Difference
    printlnprintStackTraceMETHOD_INVOCATION_NAME_MISMATCH
    System.outeAST_TYPE_MISMATCH
    System.out.println(e.toString())e.printStackTrace()ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression System.out.println(e.toString()) 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()) 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 System.out.println(e.toString()) 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()) 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
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    4
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    5
    ObjectOutput out = new ObjectOutputStream(buffer);
    5
    ObjectOutput out = new ObjectOutputStream(buffer);
    6
    out.writeObject(g1);
    6
    out.writeObject(g1);
    6
    out.writeObject(d1);
    Differences
    Expression1Expression2Difference
    g1d1VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DatasetGrouporg.jfree.data.statistics.DefaultMultiValueCategoryDatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.general.DatasetGroup of variable g1 does not match with type org.jfree.data.statistics.DefaultMultiValueCategoryDataset of variable d1
    • Make classes org.jfree.data.general.DatasetGroup and org.jfree.data.statistics.DefaultMultiValueCategoryDataset extend a common superclass
    6
    out.writeObject(d1);
    7
    out.close();
    7
    out.close();
    8
    ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
    8
    ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
                                                                                                                    
    9
    d2 = (DefaultMultiValueCategoryDataset)in.readObject();
    Preondition Violations
    Unmatched statement d2=(DefaultMultiValueCategoryDataset)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=(DefaultMultiValueCategoryDataset)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
    d2 = (DefaultMultiValueCategoryDataset)in.readObject();
    9
    g2 = (DatasetGroup)in.readObject();
    9
    g2 = (DatasetGroup)in.readObject();
    Preondition Violations
    Unmatched statement g2=(DatasetGroup)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement g2=(DatasetGroup)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
                                                                            
    10
    in.close();
    10
    in.close();
    11
    assertEquals(g1, g2);
    11
    assertEquals(g1, g2);
    11
    assertEquals(d1, d2);
    Differences
    Expression1Expression2Difference
    g1d1VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DatasetGrouporg.jfree.data.statistics.DefaultMultiValueCategoryDatasetVARIABLE_TYPE_MISMATCH
    g2d2VARIABLE_NAME_MISMATCH
    org.jfree.data.general.DatasetGrouporg.jfree.data.statistics.DefaultMultiValueCategoryDatasetVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.general.DatasetGroup of variable g1 does not match with type org.jfree.data.statistics.DefaultMultiValueCategoryDataset of variable d1
    • Make classes org.jfree.data.general.DatasetGroup and org.jfree.data.statistics.DefaultMultiValueCategoryDataset extend a common superclass
    Type org.jfree.data.general.DatasetGroup of variable g2 does not match with type org.jfree.data.statistics.DefaultMultiValueCategoryDataset of variable d2
    • Make classes org.jfree.data.general.DatasetGroup and org.jfree.data.statistics.DefaultMultiValueCategoryDataset extend a common superclass
    11
    assertEquals(d1, d2);
    Precondition Violations (19)
    Row Violation
    1Unmatched statement DefaultMultiValueCategoryDataset d1=new DefaultMultiValueCategoryDataset(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement DatasetGroup g1=new DatasetGroup(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement DefaultMultiValueCategoryDataset d2=new DefaultMultiValueCategoryDataset(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4Expression System.out.println(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression System.out.println(e.toString()) is a void method call, and thus it cannot be parameterized
    7Expression e.printStackTrace() 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 System.out.println(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Expression System.out.println(e.toString()) is a void method call, and thus it cannot be parameterized
    12Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    13Type org.jfree.data.general.DatasetGroup of variable g1 does not match with type org.jfree.data.statistics.DefaultMultiValueCategoryDataset of variable d1
    14Unmatched statement d2=(DefaultMultiValueCategoryDataset)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    15Unmatched statement d2=(DefaultMultiValueCategoryDataset)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 g2=(DatasetGroup)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    17Unmatched statement g2=(DatasetGroup)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.general.DatasetGroup of variable g1 does not match with type org.jfree.data.statistics.DefaultMultiValueCategoryDataset of variable d1
    19Type org.jfree.data.general.DatasetGroup of variable g2 does not match with type org.jfree.data.statistics.DefaultMultiValueCategoryDataset of variable d2