PeriodAxis a1 = new PeriodAxis("Test Axis"); PeriodAxis a2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(a1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); a2 = (PeriodAxis) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } boolean b = a1.equals(a2); assertTrue(b);
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);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/axis/junit/PeriodAxisTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/block/junit/AbstractBlockTests.java
Method name: void testSerialization() Method name: void testSerialization()
Number of AST nodes: 12 Number of AST nodes: 11
1
PeriodAxis a1 = new PeriodAxis("Test Axis");
2
        PeriodAxis a
1
EmptyBlock b1 = new EmptyBlock(1.0, 2.0);
3
2 = null;
2
        EmptyBlock b2 = null;
4
        try {
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(a1);
6
            out.writeObject(b1);
8
            out.close();
7
            out.close();
9
            ObjectInput in = new ObjectInputStream(
8
            ObjectInput in = new ObjectInputStream(
10
                    new ByteArrayInputStream(buffer.toByteArray()));
9
                    new ByteArrayInputStream(buffer.toByteArray()));
11
            a2 = (PeriodAxis) in.readObject();
10
            b2 = (EmptyBlock) in.readObject();
12
            in.close();
11
            in.close();
13
        }
12
        }
14
        catch (Exception e) {
13
        catch (Exception e) {
15
            e.printStackTrace();
14
            fail(e.toString());
16
        }
15
        }
17
        boolean b = a1.equals(a2);
16
        
18
        assertTrue(b);
17
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 comparisons71
  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 fragment0
    Time elapsed for statement mapping (ms)47.9
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    PeriodAxis a1 = new PeriodAxis("Test Axis");
    1
    PeriodAxis a1 = new PeriodAxis("Test Axis");
    1
    EmptyBlock b1 = new EmptyBlock(1.0, 2.0);
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.PeriodAxisorg.jfree.chart.block.EmptyBlockSUBCLASS_TYPE_MISMATCH
    a1b1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.PeriodAxisorg.jfree.chart.block.EmptyBlockSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.axis.PeriodAxisorg.jfree.chart.block.EmptyBlockSUBCLASS_TYPE_MISMATCH
    new PeriodAxis("Test Axis")new EmptyBlock(1.0,2.0)ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression new PeriodAxis("Test Axis") cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new PeriodAxis("Test Axis") cannot be parameterized, because it has dependencies to/from statements that will be extracted
    1
    EmptyBlock b1 = new EmptyBlock(1.0, 2.0);
    2
    PeriodAxis a2 = null;
    2
    PeriodAxis a2 = null;
    2
    EmptyBlock b2 = null;
    Differences
    Expression1Expression2Difference
    org.jfree.chart.axis.PeriodAxisorg.jfree.chart.block.EmptyBlockSUBCLASS_TYPE_MISMATCH
    a2b2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.PeriodAxisorg.jfree.chart.block.EmptyBlockSUBCLASS_TYPE_MISMATCH
    2
    EmptyBlock b2 = null;
    3
    try
    3
    try
    3
    try
    Differences
    Expression1Expression2Difference
    printStackTracefailMETHOD_INVOCATION_NAME_MISMATCH
    e.printStackTrace()fail(e.toString())TYPE_COMPATIBLE_REPLACEMENT
    e.printStackTrace()fail(e.toString())ARGUMENT_NUMBER_MISMATCH
    eMISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    Expression fail(e.toString()) 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(a1);
    6
    out.writeObject(a1);
    6
    out.writeObject(b1);
    Differences
    Expression1Expression2Difference
    a1b1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.PeriodAxisorg.jfree.chart.block.EmptyBlockSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression a1 cannot be unified with expression b1 , 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(b1);
    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
    a2 = (PeriodAxis)in.readObject();
    9
    a2 = (PeriodAxis)in.readObject();
    9
    b2 = (EmptyBlock)in.readObject();
    Differences
    Expression1Expression2Difference
    a2b2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.PeriodAxisorg.jfree.chart.block.EmptyBlockSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.axis.PeriodAxisorg.jfree.chart.block.EmptyBlockSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression (PeriodAxis)in.readObject() 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
    9
    b2 = (EmptyBlock)in.readObject();
    10
    in.close();
    10
    in.close();
    11
    boolean b = a1.equals(a2);
    11
    boolean b = a1.equals(a2);
    Preondition Violations
    Unmatched statement boolean b=a1.equals(a2); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                            
    12
    assertTrue(b);
    12
    assertTrue(b);
    11
    assertEquals(b1, b2);
    Differences
    Expression1Expression2Difference
    assertTrueassertEqualsMETHOD_INVOCATION_NAME_MISMATCH
    assertTrue(b)assertEquals(b1,b2)ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression assertTrue(b) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertEquals(b1,b2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertTrue(b) is a void method call, and thus it cannot be parameterized
    Expression assertEquals(b1,b2) is a void method call, and thus it cannot be parameterized
    Expression assertTrue(b) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertEquals(b1,b2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertTrue(b) is a void method call, and thus it cannot be parameterized
    Expression assertEquals(b1,b2) is a void method call, and thus it cannot be parameterized
    11
    assertEquals(b1, b2);
    Precondition Violations (23)
    Row Violation
    1Expression new PeriodAxis("Test Axis") cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression new PeriodAxis("Test Axis") 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()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    6Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    7Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    10Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    11Expression a1 cannot be unified with expression b1 , 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
    12Expression (PeriodAxis)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Expression (EmptyBlock)in.readObject() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    14Unmatched statement boolean b=a1.equals(a2); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    15Expression assertTrue(b) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    16Expression assertEquals(b1,b2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    17Expression assertTrue(b) is a void method call, and thus it cannot be parameterized
    18Expression assertEquals(b1,b2) is a void method call, and thus it cannot be parameterized
    19Expression assertTrue(b) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    20Expression assertEquals(b1,b2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    21Expression assertTrue(b) is a void method call, and thus it cannot be parameterized
    22Expression assertEquals(b1,b2) is a void method call, and thus it cannot be parameterized
    23Clone fragment #1 returns variables a1, a2 , while Clone fragment #2 returns variables