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);
GradientPaint gp = new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.blue); LabelBlock b1 = new LabelBlock("ABC", new Font("Dialog", Font.PLAIN, 12), gp); LabelBlock 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 = (LabelBlock) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(b1, b2);
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/block/junit/LabelBlockTests.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
GradientPaint gp = new GradientPain
2
        c1.add(new EmptyBlock(1.2, 3.4));
3
        BlockContainer c
2
t(1.0f, 2.0f, Color.red, 3.0f, 4.0f, 
3
                Color.blue);
4
        LabelBlock b1 = new LabelBlock("ABC", new Font("Dialog", 
5
                Font.PLAIN, 12), gp);
4
2 = null;
6
        LabelBlock b2 = null;
5
        try {
7
        try {
6
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
8
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
7
            ObjectOutput out = new ObjectOutputStream(buffer);
9
            ObjectOutput out = new ObjectOutputStream(buffer);
8
            out.writeObject(c1);
10
            out.writeObject(b1);
9
            out.close();
11
            out.close();
10
            ObjectInput in = new ObjectInputStream(
12
            ObjectInput in = new ObjectInputStream(
11
                new ByteArrayInputStream(buffer.toByteArray())
13
                    new ByteArrayInputStream(buffer.toByteArray())
12
            );
14
);
13
            c2 = (BlockContainer) in.readObject();
15
            b2 = (LabelBlock) in.readObject();
14
            in.close();
16
            in.close();
15
        }
17
        }
16
        catch (Exception e) {
18
        catch (Exception e) {
17
            fail(e.toString());
19
            e.printStackTrace();
18
        }
20
        }
19
        assertEquals(c1, c2);
21
        assertEquals(b1, b2);
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 comparisons76
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements11
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)30.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                                                                                    
    1
    GradientPaint gp = new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.blue);
    Preondition Violations
    Unmatched statement GradientPaint gp=new GradientPaint(1.0f,2.0f,Color.red,3.0f,4.0f,Color.blue); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    GradientPaint gp = new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.blue);
    1
    BlockContainer c1 = new BlockContainer();
    1
    BlockContainer c1 = new BlockContainer();
    2
    LabelBlock b1 = new LabelBlock("ABC", new Font("Dialog", Font.PLAIN, 12), gp);
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.BlockContainerorg.jfree.chart.block.LabelBlockSUBCLASS_TYPE_MISMATCH
    c1b1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.BlockContainerorg.jfree.chart.block.LabelBlockSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.block.BlockContainerorg.jfree.chart.block.LabelBlockSUBCLASS_TYPE_MISMATCH
    new BlockContainer()new LabelBlock("ABC",new Font("Dialog",Font.PLAIN,12),gp)ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression new BlockContainer() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new LabelBlock("ABC",new Font("Dialog",Font.PLAIN,12),gp) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new BlockContainer() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new LabelBlock("ABC",new Font("Dialog",Font.PLAIN,12),gp) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2
    LabelBlock b1 = new LabelBlock("ABC", new Font("Dialog", Font.PLAIN, 12), gp);
    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 or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                          
    3
    BlockContainer c2 = null;
    3
    BlockContainer c2 = null;
    3
    LabelBlock b2 = null;
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.BlockContainerorg.jfree.chart.block.LabelBlockSUBCLASS_TYPE_MISMATCH
    c2b2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.BlockContainerorg.jfree.chart.block.LabelBlockSUBCLASS_TYPE_MISMATCH
    3
    LabelBlock b2 = null;
    4
    try
    4
    try
    4
    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
    4
    try
    5
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    5
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    6
    ObjectOutput out = new ObjectOutputStream(buffer);
    6
    ObjectOutput out = new ObjectOutputStream(buffer);
    7
    out.writeObject(c1);
    7
    out.writeObject(c1);
    7
    out.writeObject(b1);
    Differences
    Expression1Expression2Difference
    c1b1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.BlockContainerorg.jfree.chart.block.LabelBlockSUBCLASS_TYPE_MISMATCH
    7
    out.writeObject(b1);
    8
    out.close();
    8
    out.close();
    9
    ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
    9
    ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
    10
    c2 = (BlockContainer)in.readObject();
    10
    c2 = (BlockContainer)in.readObject();
    10
    b2 = (LabelBlock)in.readObject();
    Differences
    Expression1Expression2Difference
    c2b2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.BlockContainerorg.jfree.chart.block.LabelBlockSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.block.BlockContainerorg.jfree.chart.block.LabelBlockSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression (BlockContainer)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (LabelBlock)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10
    b2 = (LabelBlock)in.readObject();
    11
    in.close();
    11
    in.close();
    12
    assertEquals(c1, c2);
    12
    assertEquals(c1, c2);
    12
    assertEquals(b1, b2);
    Differences
    Expression1Expression2Difference
    c1b1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.BlockContainerorg.jfree.chart.block.LabelBlockSUBCLASS_TYPE_MISMATCH
    c2b2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.BlockContainerorg.jfree.chart.block.LabelBlockSUBCLASS_TYPE_MISMATCH
    12
    assertEquals(b1, b2);
    Precondition Violations (17)
    Row Violation
    1Unmatched statement GradientPaint gp=new GradientPaint(1.0f,2.0f,Color.red,3.0f,4.0f,Color.blue); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Expression new BlockContainer() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression new LabelBlock("ABC",new Font("Dialog",Font.PLAIN,12),gp) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression new BlockContainer() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression new LabelBlock("ABC",new Font("Dialog",Font.PLAIN,12),gp) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Unmatched statement c1.add(new EmptyBlock(1.2,3.4)); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    7Expression fail(e.toString()) 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 fail(e.toString()) is a void method call, and thus it cannot be parameterized
    10Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    11Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    12Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    14Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    15Expression (BlockContainer)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    16Expression (LabelBlock)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    17Clone fragment #1 returns variables c1 , while Clone fragment #2 returns variables