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);
DefaultStatisticalCategoryDataset d1 = new DefaultStatisticalCategoryDataset(); d1.add(1.2, 3.4, "Row 1", "Column 1"); DefaultStatisticalCategoryDataset d2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(d1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); d2 = (DefaultStatisticalCategoryDataset) in.readObject(); in.close(); } catch (Exception e) { fail(e.toString()); } assertEquals(d1, d2);
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/data/statistics/junit/DefaultStatisticalCategoryDatasetTests.java
Method name: void testSerialization() Method name: void testSerialization2()
Number of AST nodes: 11 Number of AST nodes: 12
1
EmptyBlock b1 = new EmptyBlock(1.0, 2.0);
2
        EmptyBlock b
1
DefaultStatisticalCategoryDataset d1 
2
            = new DefaultStatisticalCategoryDataset();
3
        d1.add(1.2, 3.4, "Row 1", "Column 1");
3
2 = null;
4
        DefaultStatisticalCategoryDataset d2 = null;
4
        try {
5
        try {
5
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
6
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
6
            ObjectOutput out = new ObjectOutputStream(buffer);
7
            ObjectOutput out = new ObjectOutputStream(buffer);
7
            out.writeObject(b1);
8
            out.writeObject(d1);
8
            out.close();
9
            out.close();
9
            ObjectInput in = new ObjectInputStream(
10
            ObjectInput in = new ObjectInputStream(
10
                    new ByteArrayInputStream(buffer.toByteArray()));
11
                    new ByteArrayInputStream(buffer.toByteArray()));
11
            b2 = (EmptyBlock) in.readObject();
12
            d2 = (DefaultStatisticalCategoryDataset) in.readObject();
12
            in.close();
13
            in.close();
13
        }
14
        }
14
        catch (Exception e) {
15
        catch (Exception e) {
15
            fail(e.toString());
16
            fail(e.toString());
16
        }
17
        }
17
        assertEquals(b1, b2);
18
        assertEquals(d1, d2);
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 comparisons72
  1. {Non-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)27.9
    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
    DefaultStatisticalCategoryDataset d1 = new DefaultStatisticalCategoryDataset();
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.EmptyBlockorg.jfree.data.statistics.DefaultStatisticalCategoryDatasetSUBCLASS_TYPE_MISMATCH
    b1d1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.data.statistics.DefaultStatisticalCategoryDatasetSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.data.statistics.DefaultStatisticalCategoryDatasetSUBCLASS_TYPE_MISMATCH
    new EmptyBlock(1.0,2.0)new DefaultStatisticalCategoryDataset()ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression new DefaultStatisticalCategoryDataset() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new DefaultStatisticalCategoryDataset() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    1
    DefaultStatisticalCategoryDataset d1 = new DefaultStatisticalCategoryDataset();
                                                                                
    2
    d1.add(1.2, 3.4, "Row 1", "Column 1");
    Preondition Violations
    Unmatched statement d1.add(1.2,3.4,"Row 1","Column 1"); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2
    d1.add(1.2, 3.4, "Row 1", "Column 1");
    2
    EmptyBlock b2 = null;
    2
    EmptyBlock b2 = null;
    3
    DefaultStatisticalCategoryDataset d2 = null;
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.EmptyBlockorg.jfree.data.statistics.DefaultStatisticalCategoryDatasetSUBCLASS_TYPE_MISMATCH
    b2d2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.data.statistics.DefaultStatisticalCategoryDatasetSUBCLASS_TYPE_MISMATCH
    3
    DefaultStatisticalCategoryDataset d2 = 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(d1);
    Differences
    Expression1Expression2Difference
    b1d1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.data.statistics.DefaultStatisticalCategoryDatasetSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression b1 cannot be unified with expression d1 , because common superclass type org.jfree.util.PublicCloneable cannot be passed as an argument to public abstract void writeObject(java.lang.Object) throws java.io.IOException
    7
    out.writeObject(d1);
    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
    d2 = (DefaultStatisticalCategoryDataset)in.readObject();
    Differences
    Expression1Expression2Difference
    b2d2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.data.statistics.DefaultStatisticalCategoryDatasetSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.data.statistics.DefaultStatisticalCategoryDatasetSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression (EmptyBlock)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (DefaultStatisticalCategoryDataset)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10
    d2 = (DefaultStatisticalCategoryDataset)in.readObject();
    10
    in.close();
    11
    in.close();
    11
    assertEquals(b1, b2);
    11
    assertEquals(b1, b2);
    12
    assertEquals(d1, d2);
    Differences
    Expression1Expression2Difference
    b1d1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.data.statistics.DefaultStatisticalCategoryDatasetSUBCLASS_TYPE_MISMATCH
    b2d2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.data.statistics.DefaultStatisticalCategoryDatasetSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression b1 cannot be unified with expression d1 , because common superclass type org.jfree.util.PublicCloneable cannot be passed as an argument to public static void assertEquals(java.lang.Object, java.lang.Object)
    Expression b2 cannot be unified with expression d2 , because common superclass type org.jfree.util.PublicCloneable cannot be passed as an argument to public static void assertEquals(java.lang.Object, java.lang.Object)
    12
    assertEquals(d1, d2);
    Precondition Violations (8)
    Row Violation
    1Expression new DefaultStatisticalCategoryDataset() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression new DefaultStatisticalCategoryDataset() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Unmatched statement d1.add(1.2,3.4,"Row 1","Column 1"); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    4Expression b1 cannot be unified with expression d1 , because common superclass type org.jfree.util.PublicCloneable cannot be passed as an argument to public abstract void writeObject(java.lang.Object) throws java.io.IOException
    5Expression (EmptyBlock)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression (DefaultStatisticalCategoryDataset)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression b1 cannot be unified with expression d1 , because common superclass type org.jfree.util.PublicCloneable cannot be passed as an argument to public static void assertEquals(java.lang.Object, java.lang.Object)
    8Expression b2 cannot be unified with expression d2 , because common superclass type org.jfree.util.PublicCloneable cannot be passed as an argument to public static void assertEquals(java.lang.Object, java.lang.Object)