MonthDateFormat mf1 = new MonthDateFormat(); MonthDateFormat mf2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(mf1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray()) ); mf2 = (MonthDateFormat) in.readObject(); in.close(); } catch (Exception e) { fail(e.toString()); } assertTrue(mf1.equals(mf2));
XYStepRenderer r1 = new XYStepRenderer(); r1.setStepPoint(0.123); XYStepRenderer r2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(r1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); r2 = (XYStepRenderer) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(r1, r2);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/axis/junit/MonthDateFormatTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/renderer/xy/junit/XYStepRendererTests.java
Method name: void testSerialization() Method name: void testSerialization()
Number of AST nodes: 11 Number of AST nodes: 12
1
MonthDateFormat mf1 = new MonthDateFormat();
2
        MonthDateFormat mf
1
XYStepRenderer r1 = new XYStepRenderer();
2
        r1.setStepPoint(0.123);
3
2 = null;
3
        XYStepRenderer r2 = 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(mf1);
7
            out.writeObject(r1);
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
            mf2 = (MonthDateFormat) in.readObject();
12
            r2 = (XYStepRenderer) in.readObject();
13
            in.close();
13
            in.close();
14
        }
14
        }
15
        catch (Exception e) {
15
        catch (Exception e) {
16
            fail(e.toString());
16
            e.printStackTrace();
17
        }
17
        }
18
        assertTrue(mf1.equals(mf2));
18
        assertEquals(r1, r2);
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 comparisons76
  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 fragment4
    Time elapsed for statement mapping (ms)18.2
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
                                                                                        
    1
    XYStepRenderer r1 = new XYStepRenderer();
    1
    MonthDateFormat mf1 = new MonthDateFormat();
    1
    MonthDateFormat mf1 = new MonthDateFormat();
    Preondition Violations
    Unmatched statement MonthDateFormat mf1=new MonthDateFormat(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                              
                                                        
    2
    r1.setStepPoint(0.123);
    Preondition Violations
    Unmatched statement r1.setStepPoint(0.123); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2
    r1.setStepPoint(0.123);
    2
    MonthDateFormat mf2 = null;
                                                            
                                                        
    3
    XYStepRenderer r2 = null;
    3
    try
    3
    try
    4
    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
    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(mf1);
    6
    out.writeObject(mf1);
    7
    out.writeObject(r1);
    Differences
    Expression1Expression2Difference
    mf1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.MonthDateFormatorg.jfree.chart.renderer.xy.XYStepRendererVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.MonthDateFormat of variable mf1 does not match with type org.jfree.chart.renderer.xy.XYStepRenderer of variable r1
    • Make classes org.jfree.chart.axis.MonthDateFormat and org.jfree.chart.renderer.xy.XYStepRenderer extend a common superclass
    7
    out.writeObject(r1);
    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
    mf2 = (MonthDateFormat)in.readObject();
    9
    mf2 = (MonthDateFormat)in.readObject();
    Preondition Violations
    Unmatched statement mf2=(MonthDateFormat)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement mf2=(MonthDateFormat)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
    r2 = (XYStepRenderer)in.readObject();
    Preondition Violations
    Unmatched statement r2=(XYStepRenderer)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement r2=(XYStepRenderer)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
    r2 = (XYStepRenderer)in.readObject();
    10
    in.close();
    11
    in.close();
    11
    assertTrue(mf1.equals(mf2));
    11
    assertTrue(mf1.equals(mf2));
    12
    assertEquals(r1, r2);
    Differences
    Expression1Expression2Difference
    assertTrueassertEqualsMETHOD_INVOCATION_NAME_MISMATCH
    assertTrue(mf1.equals(mf2))assertEquals(r1,r2)ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression assertTrue(mf1.equals(mf2)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertEquals(r1,r2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertTrue(mf1.equals(mf2)) is a void method call, and thus it cannot be parameterized
    Expression assertEquals(r1,r2) is a void method call, and thus it cannot be parameterized
    Expression assertTrue(mf1.equals(mf2)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertEquals(r1,r2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression assertTrue(mf1.equals(mf2)) is a void method call, and thus it cannot be parameterized
    Expression assertEquals(r1,r2) is a void method call, and thus it cannot be parameterized
    12
    assertEquals(r1, r2);
    Precondition Violations (23)
    Row Violation
    1Unmatched statement MonthDateFormat mf1=new MonthDateFormat(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement r1.setStepPoint(0.123); cannot be moved before the extracted code, because it has control dependencies 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() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    6Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    7Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    10Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    11Type org.jfree.chart.axis.MonthDateFormat of variable mf1 does not match with type org.jfree.chart.renderer.xy.XYStepRenderer of variable r1
    12Unmatched statement mf2=(MonthDateFormat)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    13Unmatched statement mf2=(MonthDateFormat)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
    14Unmatched statement r2=(XYStepRenderer)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    15Unmatched statement r2=(XYStepRenderer)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
    16Expression assertTrue(mf1.equals(mf2)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    17Expression assertEquals(r1,r2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    18Expression assertTrue(mf1.equals(mf2)) is a void method call, and thus it cannot be parameterized
    19Expression assertEquals(r1,r2) is a void method call, and thus it cannot be parameterized
    20Expression assertTrue(mf1.equals(mf2)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    21Expression assertEquals(r1,r2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    22Expression assertTrue(mf1.equals(mf2)) is a void method call, and thus it cannot be parameterized
    23Expression assertEquals(r1,r2) is a void method call, and thus it cannot be parameterized