EmptyBlock b1 = new EmptyBlock(1.0, 2.0); EmptyBlock b2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(b1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); b2 = (EmptyBlock) in.readObject(); in.close(); } catch (Exception e) { fail(e.toString()); } assertEquals(b1, b2);
MeanAndStandardDeviation m1 = new MeanAndStandardDeviation(1.2, 3.4); MeanAndStandardDeviation m2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(m1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray()) ); m2 = (MeanAndStandardDeviation) in.readObject(); in.close(); } catch (Exception e) { System.out.println(e.toString()); } assertEquals(m1, m2);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/block/junit/EmptyBlockTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/statistics/junit/MeanAndStandardDeviationTests.java
Method name: void testSerialization() Method name: void testSerialization()
Number of AST nodes: 11 Number of AST nodes: 11
1
EmptyBlock b1 = new EmptyBlock(1.0, 2.0);
1
MeanAndStandardDeviation m1 = new MeanAndStandardDeviation(1.2, 3.4);
2
        EmptyBlock b2 = null;
2
        MeanAndStandardDeviation m2 = null;
3
        try {
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(b1);
6
            out.writeObject(m1);
7
            out.close();
7
            out.close();
8
            ObjectInput in = new ObjectInputStream(
8
            ObjectInput in = new ObjectInputStream(
9
                    new ByteArrayInputStream(buffer.toByteArray())
9
                new ByteArrayInputStream(buffer.toByteArray())
10
);
10
            );
11
            b2 = (EmptyBlock) in.readObject();
11
            m2 = (MeanAndStandardDeviation) in.readObject();
12
            in.close();
12
            in.close();
13
        }
13
        }
14
        catch (Exception e) {
14
        catch (Exception e) {
15
            fail(e.toString());
15
            System.out.println(e.toString());
16
        }
16
        }
17
        assertEquals(b1, b2);
17
        assertEquals(m1, m2);
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)0.2
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)11.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                                                              
    1
    MeanAndStandardDeviation m1 = new MeanAndStandardDeviation(1.2, 3.4);
    Preondition Violations
    Unmatched statement MeanAndStandardDeviation m1=new MeanAndStandardDeviation(1.2,3.4); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    MeanAndStandardDeviation m1 = new MeanAndStandardDeviation(1.2, 3.4);
    1
    EmptyBlock b1 = new EmptyBlock(1.0, 2.0);
                                                                                      
                                                                            
    2
    MeanAndStandardDeviation m2 = null;
    2
    EmptyBlock b2 = null;
                                                
    3
    try
    3
    try
    3
    try
    Differences
    Expression1Expression2Difference
    failprintlnMETHOD_INVOCATION_NAME_MISMATCH
    fail(e.toString())System.out.println(e.toString())TYPE_COMPATIBLE_REPLACEMENT
    System.outMISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression fail(e.toString()) 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 fail(e.toString()) 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 fail(e.toString()) 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 fail(e.toString()) 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(b1);
    6
    out.writeObject(b1);
    6
    out.writeObject(m1);
    Differences
    Expression1Expression2Difference
    b1m1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.data.statistics.MeanAndStandardDeviationVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.EmptyBlock of variable b1 does not match with type org.jfree.data.statistics.MeanAndStandardDeviation of variable m1
    • Make classes org.jfree.chart.block.EmptyBlock and org.jfree.data.statistics.MeanAndStandardDeviation extend a common superclass
    6
    out.writeObject(m1);
    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
    m2 = (MeanAndStandardDeviation)in.readObject();
    Preondition Violations
    Unmatched statement m2=(MeanAndStandardDeviation)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement m2=(MeanAndStandardDeviation)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
    m2 = (MeanAndStandardDeviation)in.readObject();
    9
    b2 = (EmptyBlock)in.readObject();
    9
    b2 = (EmptyBlock)in.readObject();
    Preondition Violations
    Unmatched statement b2=(EmptyBlock)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement b2=(EmptyBlock)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(b1, b2);
    11
    assertEquals(b1, b2);
    11
    assertEquals(m1, m2);
    Differences
    Expression1Expression2Difference
    b1m1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.data.statistics.MeanAndStandardDeviationVARIABLE_TYPE_MISMATCH
    b2m2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.data.statistics.MeanAndStandardDeviationVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.EmptyBlock of variable b1 does not match with type org.jfree.data.statistics.MeanAndStandardDeviation of variable m1
    • Make classes org.jfree.chart.block.EmptyBlock and org.jfree.data.statistics.MeanAndStandardDeviation extend a common superclass
    Type org.jfree.chart.block.EmptyBlock of variable b2 does not match with type org.jfree.data.statistics.MeanAndStandardDeviation of variable m2
    • Make classes org.jfree.chart.block.EmptyBlock and org.jfree.data.statistics.MeanAndStandardDeviation extend a common superclass
    11
    assertEquals(m1, m2);
    Precondition Violations (16)
    Row Violation
    1Unmatched statement MeanAndStandardDeviation m1=new MeanAndStandardDeviation(1.2,3.4); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression System.out.println(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    5Expression System.out.println(e.toString()) is a void method call, and thus it cannot be parameterized
    6Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression System.out.println(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    9Expression System.out.println(e.toString()) is a void method call, and thus it cannot be parameterized
    10Type org.jfree.chart.block.EmptyBlock of variable b1 does not match with type org.jfree.data.statistics.MeanAndStandardDeviation of variable m1
    11Unmatched statement m2=(MeanAndStandardDeviation)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    12Unmatched statement m2=(MeanAndStandardDeviation)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
    13Unmatched statement b2=(EmptyBlock)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    14Unmatched statement b2=(EmptyBlock)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
    15Type org.jfree.chart.block.EmptyBlock of variable b1 does not match with type org.jfree.data.statistics.MeanAndStandardDeviation of variable m1
    16Type org.jfree.chart.block.EmptyBlock of variable b2 does not match with type org.jfree.data.statistics.MeanAndStandardDeviation of variable m2