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);
StandardCategoryItemLabelGenerator g1 = new StandardCategoryItemLabelGenerator("{2}", DateFormat.getInstance()); StandardCategoryItemLabelGenerator g2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(g1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); g2 = (StandardCategoryItemLabelGenerator) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(g1, g2);
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/chart/labels/junit/StandardCategoryItemLabelGeneratorTests.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);
2
        EmptyBlock b
1
StandardCategoryItemLabelGenerator g1
2
                = new StandardCategoryItemLabelGenerator("{2}",
3
                DateFormat.getInstance());
3
2 = null;
4
        StandardCategoryItemLabelGenerator g2 = 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(g1);
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
            g2 = (StandardCategoryItemLabelGenerator) in.readObject();
12
            in.close();
13
            in.close();
13
        }
14
        }
14
        catch (Exception e) {
15
        catch (Exception e) {
15
            fail(e.toString());
16
            e.printStackTrace();
16
        }
17
        }
17
        assertEquals(b1, b2);
18
        assertEquals(g1, g2);
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)0.1
Clones locationClones are in different classes having the same super class
Number of node comparisons73
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements10
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)23.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    EmptyBlock b1 = new EmptyBlock(1.0, 2.0);
    1
    EmptyBlock b1 = new EmptyBlock(1.0, 2.0);
    2
    StandardCategoryItemLabelGenerator g2 = null;
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.labels.StandardCategoryItemLabelGeneratorSUBCLASS_TYPE_MISMATCH
    b1g2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.labels.StandardCategoryItemLabelGeneratorSUBCLASS_TYPE_MISMATCH
    new EmptyBlock(1.0,2.0)nullTYPE_COMPATIBLE_REPLACEMENT
    2
    StandardCategoryItemLabelGenerator g2 = null;
    2
    EmptyBlock b2 = null;
    2
    EmptyBlock b2 = null;
    1
    StandardCategoryItemLabelGenerator g1 = new StandardCategoryItemLabelGenerator("{2}", DateFormat.getInstance());
    Differences
    Expression1Expression2Difference
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.labels.StandardCategoryItemLabelGeneratorSUBCLASS_TYPE_MISMATCH
    b2g1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.labels.StandardCategoryItemLabelGeneratorSUBCLASS_TYPE_MISMATCH
    nullnew StandardCategoryItemLabelGenerator("{2}",DateFormat.getInstance())TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression new StandardCategoryItemLabelGenerator("{2}",DateFormat.getInstance()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    1
    StandardCategoryItemLabelGenerator g1 = new StandardCategoryItemLabelGenerator("{2}", DateFormat.getInstance());
    3
    try
    3
    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
    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(g1);
    Differences
    Expression1Expression2Difference
    b1g1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.labels.StandardCategoryItemLabelGeneratorSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression b1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression g1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression b1 cannot be unified with expression g1 , 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
    6
    out.writeObject(g1);
    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
    b2 = (EmptyBlock)in.readObject();
    9
    b2 = (EmptyBlock)in.readObject();
    9
    g2 = (StandardCategoryItemLabelGenerator)in.readObject();
    Differences
    Expression1Expression2Difference
    b2g2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.labels.StandardCategoryItemLabelGeneratorSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.labels.StandardCategoryItemLabelGeneratorSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression b2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression g2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (EmptyBlock)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (StandardCategoryItemLabelGenerator)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9
    g2 = (StandardCategoryItemLabelGenerator)in.readObject();
    10
    in.close();
    10
    in.close();
                                                    
    11
    assertEquals(g1, g2);
    Preondition Violations
    Unmatched statement assertEquals(g1,g2); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    11
    assertEquals(g1, g2);
    11
    assertEquals(b1, b2);
    11
    assertEquals(b1, b2);
    Preondition Violations
    Unmatched statement assertEquals(b1,b2); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                    
    Precondition Violations (19)
    Row Violation
    1Expression new StandardCategoryItemLabelGenerator("{2}",DateFormat.getInstance()) cannot be parameterized, because it has dependencies to/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 e.printStackTrace() 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 e.printStackTrace() 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 e.printStackTrace() 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 e.printStackTrace() is a void method call, and thus it cannot be parameterized
    10Expression b1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Expression g1 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    12Expression b1 cannot be unified with expression g1 , 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
    13Expression b2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    14Expression g2 cannot be parameterized, because it has dependencies to/from statements that will be extracted
    15Expression (EmptyBlock)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    16Expression (StandardCategoryItemLabelGenerator)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    17Unmatched statement assertEquals(g1,g2); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    18Unmatched statement assertEquals(b1,b2); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    19Clone fragment #1 returns variables b1, b2 , while Clone fragment #2 returns variables g1, g2