KeyedObject ko1 = new KeyedObject("Test", "Object"); KeyedObject ko2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(ko1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray()) ); ko2 = (KeyedObject) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(ko1, ko2);
Hour h1 = new Hour(); Hour h2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(h1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray()) ); h2 = (Hour) in.readObject(); in.close(); } catch (Exception e) { System.out.println(e.toString()); } assertEquals(h1, h2);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/data/junit/KeyedObjectTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/time/junit/HourTests.java
Method name: void testSerialization() Method name: void testSerialization()
Number of AST nodes: 11 Number of AST nodes: 11
1
KeyedObject ko1 = new KeyedObject("Test", "Object");
2
        KeyedObject ko
1
Hour h1 = new Hour();
3
2 = null;
2
        Hour h2 = null;
4
        try {
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(ko1);
6
            out.writeObject(h1);
8
            out.close();
7
            out.close();
9
            ObjectInput in = new ObjectInputStream(
8
            ObjectInput in = new ObjectInputStream(
10
                new ByteArrayInputStream(buffer.toByteArray())
9
                new ByteArrayInputStream(buffer.toByteArray())
11
            );
10
            );
12
            ko2 = (KeyedObject) in.readObject();
11
            h2 = (Hour) in.readObject();
13
            in.close();
12
            in.close();
14
        }
13
        }
15
        catch (Exception e) {
14
        catch (Exception e) {
16
            e.printStackTrace();
15
            System.out.println(e.toString());
17
        }
16
        }
18
        assertEquals(ko1, ko2);
17
        assertEquals(h1, h2);
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)13.7
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                
    1
    Hour h1 = new Hour();
    Preondition Violations
    Unmatched statement Hour h1=new Hour(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    Hour h1 = new Hour();
    1
    KeyedObject ko1 = new KeyedObject("Test", "Object");
    1
    KeyedObject ko1 = new KeyedObject("Test", "Object");
    Preondition Violations
    Unmatched statement KeyedObject ko1=new KeyedObject("Test","Object"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                                            
                                    
    2
    Hour h2 = null;
    2
    KeyedObject ko2 = null;
                                                    
    3
    try
    3
    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
    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(ko1);
    6
    out.writeObject(ko1);
    6
    out.writeObject(h1);
    Differences
    Expression1Expression2Difference
    ko1h1VARIABLE_NAME_MISMATCH
    org.jfree.data.KeyedObjectorg.jfree.data.time.HourVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.KeyedObject of variable ko1 does not match with type org.jfree.data.time.Hour of variable h1
    • Make classes org.jfree.data.KeyedObject and org.jfree.data.time.Hour extend a common superclass
    6
    out.writeObject(h1);
    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
    h2 = (Hour)in.readObject();
    Preondition Violations
    Unmatched statement h2=(Hour)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement h2=(Hour)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
    h2 = (Hour)in.readObject();
    9
    ko2 = (KeyedObject)in.readObject();
    9
    ko2 = (KeyedObject)in.readObject();
    Preondition Violations
    Unmatched statement ko2=(KeyedObject)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement ko2=(KeyedObject)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(ko1, ko2);
    11
    assertEquals(ko1, ko2);
    11
    assertEquals(h1, h2);
    Differences
    Expression1Expression2Difference
    ko1h1VARIABLE_NAME_MISMATCH
    org.jfree.data.KeyedObjectorg.jfree.data.time.HourVARIABLE_TYPE_MISMATCH
    ko2h2VARIABLE_NAME_MISMATCH
    org.jfree.data.KeyedObjectorg.jfree.data.time.HourVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.data.KeyedObject of variable ko1 does not match with type org.jfree.data.time.Hour of variable h1
    • Make classes org.jfree.data.KeyedObject and org.jfree.data.time.Hour extend a common superclass
    Type org.jfree.data.KeyedObject of variable ko2 does not match with type org.jfree.data.time.Hour of variable h2
    • Make classes org.jfree.data.KeyedObject and org.jfree.data.time.Hour extend a common superclass
    11
    assertEquals(h1, h2);
    Precondition Violations (18)
    Row Violation
    1Unmatched statement Hour h1=new Hour(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement KeyedObject ko1=new KeyedObject("Test","Object"); 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.out.println(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    6Expression System.out.println(e.toString()) 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.out.println(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    11Expression System.out.println(e.toString()) is a void method call, and thus it cannot be parameterized
    12Type org.jfree.data.KeyedObject of variable ko1 does not match with type org.jfree.data.time.Hour of variable h1
    13Unmatched statement h2=(Hour)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    14Unmatched statement h2=(Hour)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
    15Unmatched statement ko2=(KeyedObject)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    16Unmatched statement ko2=(KeyedObject)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
    17Type org.jfree.data.KeyedObject of variable ko1 does not match with type org.jfree.data.time.Hour of variable h1
    18Type org.jfree.data.KeyedObject of variable ko2 does not match with type org.jfree.data.time.Hour of variable h2