BlockContainer c1 = new BlockContainer(); c1.add(new EmptyBlock(1.2, 3.4)); BlockContainer c2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(c1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray()) ); c2 = (BlockContainer) in.readObject(); in.close(); } catch (Exception e) { fail(e.toString()); } assertEquals(c1, c2);
IntervalMarker m1 = new IntervalMarker(45.0, 50.0); IntervalMarker 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 = (IntervalMarker) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } boolean b = m1.equals(m2); assertTrue(b);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/block/junit/BlockContainerTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/plot/junit/IntervalMarkerTests.java
Method name: void testSerialization() Method name: void testSerialization()
Number of AST nodes: 12 Number of AST nodes: 12
1
BlockContainer c1 = new BlockContainer();
1
IntervalMarker m1 = new 
2
        c1.add(new EmptyBlock(1.2, 3.4));
3
        BlockContain
2
IntervalMarker(45.0, 50.0);
4
er c2 = null;
3
        IntervalMarker m2 = null;
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(c1);
7
            out.writeObject(m1);
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
            c2 = (BlockContainer) in.readObject();
12
            m2 = (IntervalMarker) in.readObject();
14
            in.close();
13
            in.close();
15
        }
14
        }
16
        catch (Exception e) {
15
        catch (Exception e) {
17
            fail(e.toString());
16
            e.printStackTrace();
18
        }
17
        }
19
        assertEquals(c1, c2
18
        boolean b = m1.equals(m2);
20
);
19
        assertTrue(b);
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 comparisons80
  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 fragment4
    Time elapsed for statement mapping (ms)12.7
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                          
    1
    IntervalMarker m1 = new IntervalMarker(45.0, 50.0);
    Preondition Violations
    Unmatched statement IntervalMarker m1=new IntervalMarker(45.0,50.0); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    IntervalMarker m1 = new IntervalMarker(45.0, 50.0);
    1
    BlockContainer c1 = new BlockContainer();
    1
    BlockContainer c1 = new BlockContainer();
    Preondition Violations
    Unmatched statement BlockContainer c1=new BlockContainer(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                        
                                                        
    2
    IntervalMarker m2 = null;
    2
    c1.add(new EmptyBlock(1.2, 3.4));
    2
    c1.add(new EmptyBlock(1.2, 3.4));
    Preondition Violations
    Unmatched statement c1.add(new EmptyBlock(1.2,3.4)); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                          
    3
    BlockContainer c2 = null;
                                                        
    4
    try
    4
    try
    3
    try
    Differences
    Expression1Expression2Difference
    failprintStackTraceMETHOD_INVOCATION_NAME_MISMATCH
    fail(e.toString())e.printStackTrace()TYPE_COMPATIBLE_REPLACEMENT
    fail(e.toString())e.printStackTrace()ARGUMENT_NUMBER_MISMATCH
    eMISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression fail(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 fail(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 fail(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 fail(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
    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(c1);
    7
    out.writeObject(c1);
    6
    out.writeObject(m1);
    Differences
    Expression1Expression2Difference
    c1m1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.BlockContainerorg.jfree.chart.plot.IntervalMarkerVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.BlockContainer of variable c1 does not match with type org.jfree.chart.plot.IntervalMarker of variable m1
    • Make classes org.jfree.chart.block.BlockContainer and org.jfree.chart.plot.IntervalMarker extend a common superclass
    6
    out.writeObject(m1);
    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
    m2 = (IntervalMarker)in.readObject();
    Preondition Violations
    Unmatched statement m2=(IntervalMarker)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=(IntervalMarker)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 = (IntervalMarker)in.readObject();
    10
    c2 = (BlockContainer)in.readObject();
    10
    c2 = (BlockContainer)in.readObject();
    Preondition Violations
    Unmatched statement c2=(BlockContainer)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement c2=(BlockContainer)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();
                                                            
    11
    boolean b = m1.equals(m2);
    12
    assertEquals(c1, c2);
    12
    assertEquals(c1, c2);
    12
    assertTrue(b);
    Differences
    Expression1Expression2Difference
    assertEqualsassertTrueMETHOD_INVOCATION_NAME_MISMATCH
    assertEquals(c1,c2)assertTrue(b)ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression assertEquals(c1,c2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertTrue(b) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertEquals(c1,c2) is a void method call, and thus it cannot be parameterized
    Expression assertTrue(b) is a void method call, and thus it cannot be parameterized
    Expression assertEquals(c1,c2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertTrue(b) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertEquals(c1,c2) is a void method call, and thus it cannot be parameterized
    Expression assertTrue(b) is a void method call, and thus it cannot be parameterized
    12
    assertTrue(b);
    Precondition Violations (24)
    Row Violation
    1Unmatched statement IntervalMarker m1=new IntervalMarker(45.0,50.0); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement BlockContainer c1=new BlockContainer(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement c1.add(new EmptyBlock(1.2,3.4)); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4Expression fail(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 fail(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 fail(e.toString()) 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 fail(e.toString()) is a void method call, and thus it cannot be parameterized
    11Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    12Type org.jfree.chart.block.BlockContainer of variable c1 does not match with type org.jfree.chart.plot.IntervalMarker of variable m1
    13Unmatched statement m2=(IntervalMarker)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    14Unmatched statement m2=(IntervalMarker)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 c2=(BlockContainer)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    16Unmatched statement c2=(BlockContainer)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
    17Expression assertEquals(c1,c2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    18Expression assertTrue(b) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    19Expression assertEquals(c1,c2) is a void method call, and thus it cannot be parameterized
    20Expression assertTrue(b) is a void method call, and thus it cannot be parameterized
    21Expression assertEquals(c1,c2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    22Expression assertTrue(b) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    23Expression assertEquals(c1,c2) is a void method call, and thus it cannot be parameterized
    24Expression assertTrue(b) is a void method call, and thus it cannot be parameterized