NumberTickUnit t1 = new NumberTickUnit(1.23, new DecimalFormat("0.00")); NumberTickUnit t2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(t1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray()) ); t2 = (NumberTickUnit) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(t1, t2);
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/NumberTickUnitTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/block/junit/EmptyBlockTests.java
Method name: void testSerialization() Method name: void testSerialization()
Number of AST nodes: 11 Number of AST nodes: 11
1
NumberTickUnit t1 = new NumberTickUnit(1.23, new DecimalFormat("0.00"));
2
        NumberTickUnit t
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(t1);
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
            );
10
);
12
            t2 = (NumberTickUnit) in.readObject();
11
            b2 = (EmptyBlock) in.readObject();
13
            in.close();
12
            in.close();
14
        }
13
        }
15
        catch (Exception e) {
14
        catch (Exception e) {
16
            e.printStackTrace();
15
            fail(e.toString());
17
        }
16
        }
18
        assertEquals(t1, t2);
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)0.1
Clones locationClones are in different classes having the same super class
Number of node comparisons73
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements8
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)11.8
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                      
    1
    EmptyBlock b1 = new EmptyBlock(1.0, 2.0);
    1
    NumberTickUnit t1 = new NumberTickUnit(1.23, new DecimalFormat("0.00"));
    1
    NumberTickUnit t1 = new NumberTickUnit(1.23, new DecimalFormat("0.00"));
    Preondition Violations
    Unmatched statement NumberTickUnit t1=new NumberTickUnit(1.23,new DecimalFormat("0.00")); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                                                                                    
                                                
    2
    EmptyBlock b2 = null;
    2
    NumberTickUnit t2 = 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(t1);
    6
    out.writeObject(t1);
    6
    out.writeObject(b1);
    Differences
    Expression1Expression2Difference
    t1b1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.NumberTickUnitorg.jfree.chart.block.EmptyBlockVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.NumberTickUnit of variable t1 does not match with type org.jfree.chart.block.EmptyBlock of variable b1
    • Make classes org.jfree.chart.axis.NumberTickUnit and org.jfree.chart.block.EmptyBlock extend a common superclass
    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
    b2 = (EmptyBlock)in.readObject();
    Preondition Violations
    Unmatched statement b2=(EmptyBlock)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement b2=(EmptyBlock)in.readObject(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    9
    b2 = (EmptyBlock)in.readObject();
    9
    t2 = (NumberTickUnit)in.readObject();
    9
    t2 = (NumberTickUnit)in.readObject();
    Preondition Violations
    Unmatched statement t2=(NumberTickUnit)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement t2=(NumberTickUnit)in.readObject(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
                                                                                
    10
    in.close();
    10
    in.close();
    11
    assertEquals(t1, t2);
    11
    assertEquals(t1, t2);
    11
    assertEquals(b1, b2);
    Differences
    Expression1Expression2Difference
    t1b1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.NumberTickUnitorg.jfree.chart.block.EmptyBlockVARIABLE_TYPE_MISMATCH
    t2b2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.NumberTickUnitorg.jfree.chart.block.EmptyBlockVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.NumberTickUnit of variable t1 does not match with type org.jfree.chart.block.EmptyBlock of variable b1
    • Make classes org.jfree.chart.axis.NumberTickUnit and org.jfree.chart.block.EmptyBlock extend a common superclass
    Type org.jfree.chart.axis.NumberTickUnit of variable t2 does not match with type org.jfree.chart.block.EmptyBlock of variable b2
    • Make classes org.jfree.chart.axis.NumberTickUnit and org.jfree.chart.block.EmptyBlock extend a common superclass
    11
    assertEquals(b1, b2);
    Precondition Violations (16)
    Row Violation
    1Unmatched statement NumberTickUnit t1=new NumberTickUnit(1.23,new DecimalFormat("0.00")); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    5Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    6Expression e.printStackTrace() cannot be parameterized, 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() is a void method call, and thus it cannot be parameterized
    9Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    10Type org.jfree.chart.axis.NumberTickUnit of variable t1 does not match with type org.jfree.chart.block.EmptyBlock of variable b1
    11Unmatched statement b2=(EmptyBlock)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    12Unmatched statement b2=(EmptyBlock)in.readObject(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    13Unmatched statement t2=(NumberTickUnit)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    14Unmatched statement t2=(NumberTickUnit)in.readObject(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    15Type org.jfree.chart.axis.NumberTickUnit of variable t1 does not match with type org.jfree.chart.block.EmptyBlock of variable b1
    16Type org.jfree.chart.axis.NumberTickUnit of variable t2 does not match with type org.jfree.chart.block.EmptyBlock of variable b2