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);
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);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/block/junit/AbstractBlockTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/block/junit/BlockContainerTests.java
Method name: void testSerialization() Method name: void testSerialization()
Number of AST nodes: 11 Number of AST nodes: 12
1
EmptyBlock b1 = 
1
BlockContainer c1 = new BlockContainer();
2
new EmptyBlock(1.0, 2.0);
2
        c1.add(new EmptyBlock(1.2, 3.4));
3
        EmptyBlock b2 = null;
3
        BlockContainer c2 = null;
4
        try {
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(b1);
7
            out.writeObject(c1);
8
            out.close();
8
            out.close();
9
            ObjectInput in = new ObjectInputStream(
9
            ObjectInput in = new ObjectInputStream(
10
                    new ByteArrayInputStream(buffer.toByteArray())
10
                new ByteArrayInputStream(buffer.toByteArray())
11
);
11
            );
12
            b2 = (EmptyBlock) in.readObject();
12
            c2 = (BlockContainer) in.readObject();
13
            in.close();
13
            in.close();
14
        }
14
        }
15
        catch (Exception e) {
15
        catch (Exception e) {
16
            fail(e.toString());
16
            fail(e.toString());
17
        }
17
        }
18
        assertEquals(b1, b2);
18
        assertEquals(c1, c2);
Summary
Number of common nesting structure subtrees1
Number of refactorable cases1
Number of non-refactorable cases0
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 comparisons72
  1. {Refactorable}
    Mapping Summary
    Number of mapped statements11
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)26.2
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    EmptyBlock b1 = new EmptyBlock(1.0, 2.0);
    1
    EmptyBlock b1 = new EmptyBlock(1.0, 2.0);
    1
    BlockContainer c1 = new BlockContainer();
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    b1c1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    new EmptyBlock(1.0,2.0)new BlockContainer()ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression new BlockContainer() 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
    1
    BlockContainer c1 = new BlockContainer();
                                                                          
    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
    2
    c1.add(new EmptyBlock(1.2, 3.4));
    2
    EmptyBlock b2 = null;
    2
    EmptyBlock b2 = null;
    3
    BlockContainer c2 = null;
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    b2c2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    3
    BlockContainer c2 = null;
    3
    try
    4
    try
    4
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    5
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    5
    ObjectOutput out = new ObjectOutputStream(buffer);
    6
    ObjectOutput out = new ObjectOutputStream(buffer);
    6
    out.writeObject(b1);
    6
    out.writeObject(b1);
    7
    out.writeObject(c1);
    Differences
    Expression1Expression2Difference
    b1c1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    7
    out.writeObject(c1);
    7
    out.close();
    8
    out.close();
    8
    ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
    9
    ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
    9
    b2 = (EmptyBlock)in.readObject();
    9
    b2 = (EmptyBlock)in.readObject();
    10
    c2 = (BlockContainer)in.readObject();
    Differences
    Expression1Expression2Difference
    b2c2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression (EmptyBlock)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (BlockContainer)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10
    c2 = (BlockContainer)in.readObject();
    10
    in.close();
    11
    in.close();
    11
    assertEquals(b1, b2);
    11
    assertEquals(b1, b2);
    12
    assertEquals(c1, c2);
    Differences
    Expression1Expression2Difference
    b1c1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    b2c2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    12
    assertEquals(c1, c2);
    Precondition Violations (5)
    Row Violation
    1Expression new BlockContainer() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression new BlockContainer() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Unmatched 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
    4Expression (EmptyBlock)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression (BlockContainer)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted