ShipNeedle n1 = new ShipNeedle(); ShipNeedle n2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(n1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray()) ); n2 = (ShipNeedle) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertTrue(n1.equals(n2));
DefaultCategoryItemRenderer r1 = new DefaultCategoryItemRenderer(); DefaultCategoryItemRenderer 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 = (DefaultCategoryItemRenderer) in.readObject(); in.close(); } catch (Exception e) { System.out.println(e.toString()); } assertEquals(r1, r2);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/needle/junit/ShipNeedleTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/renderer/category/junit/DefaultCategoryItemRendererTests.java
Method name: void testSerialization() Method name: void testSerialization()
Number of AST nodes: 11 Number of AST nodes: 11
1
ShipNeedle n1 = new ShipNeedle();
2
        ShipNeedle n
1
DefaultCategoryItemRenderer r1 = new DefaultCategoryItemRenderer();
3
2 = null;
2
        DefaultCategoryItemRenderer r2 = 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(n1);
6
            out.writeObject(r1);
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
            n2 = (ShipNeedle) in.readObject();
11
            r2 = (DefaultCategoryItemRenderer) in.readObject();
13
            in.close();
12
            in.close();
14
        }
13
        }
15
        catch (Exception e) {
14
        catch (Exception e) {
16
            e.printStackTrace();
15
            System.out.println(e.toString());
17
        }
16
        }
18
        assertTrue(n1.equals(n2));
17
        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)0.2
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)23.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                                                            
    1
    DefaultCategoryItemRenderer r1 = new DefaultCategoryItemRenderer();
    1
    ShipNeedle n1 = new ShipNeedle();
                                                                        
                                                                                  
    2
    DefaultCategoryItemRenderer r2 = null;
    2
    ShipNeedle n2 = null;
                                                
    3
    try
    3
    try
    3
    try
    Differences
    Expression1Expression2Difference
    printStackTraceprintlnMETHOD_INVOCATION_NAME_MISMATCH
    eSystem.outAST_TYPE_MISMATCH
    e.printStackTrace()System.out.println(e.toString())ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression System.out.println(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 System.out.println(e.toString()) is a void method call, and thus it cannot be parameterized
    Expression e 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 System.out.println(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 System.out.println(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(n1);
    6
    out.writeObject(n1);
    6
    out.writeObject(r1);
    Differences
    Expression1Expression2Difference
    n1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.needle.ShipNeedleorg.jfree.chart.renderer.category.DefaultCategoryItemRendererVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.needle.ShipNeedle of variable n1 does not match with type org.jfree.chart.renderer.category.DefaultCategoryItemRenderer of variable r1
    • Make classes org.jfree.chart.needle.ShipNeedle and org.jfree.chart.renderer.category.DefaultCategoryItemRenderer extend a common superclass
    6
    out.writeObject(r1);
    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
    r2 = (DefaultCategoryItemRenderer)in.readObject();
    Preondition Violations
    Unmatched statement r2=(DefaultCategoryItemRenderer)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=(DefaultCategoryItemRenderer)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
    r2 = (DefaultCategoryItemRenderer)in.readObject();
    9
    n2 = (ShipNeedle)in.readObject();
    9
    n2 = (ShipNeedle)in.readObject();
    Preondition Violations
    Unmatched statement n2=(ShipNeedle)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement n2=(ShipNeedle)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
    assertTrue(n1.equals(n2));
    11
    assertTrue(n1.equals(n2));
    11
    assertEquals(r1, r2);
    Differences
    Expression1Expression2Difference
    assertTrueassertEqualsMETHOD_INVOCATION_NAME_MISMATCH
    assertTrue(n1.equals(n2))assertEquals(r1,r2)ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression assertTrue(n1.equals(n2)) 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(n1.equals(n2)) 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(n1.equals(n2)) 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(n1.equals(n2)) 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
    11
    assertEquals(r1, r2);
    Precondition Violations (22)
    Row Violation
    1Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression System.out.println(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    4Expression System.out.println(e.toString()) is a void method call, and thus it cannot be parameterized
    5Expression e cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression System.out.println(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 System.out.println(e.toString()) is a void method call, and thus it cannot be parameterized
    10Type org.jfree.chart.needle.ShipNeedle of variable n1 does not match with type org.jfree.chart.renderer.category.DefaultCategoryItemRenderer of variable r1
    11Unmatched statement r2=(DefaultCategoryItemRenderer)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    12Unmatched statement r2=(DefaultCategoryItemRenderer)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 n2=(ShipNeedle)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    14Unmatched statement n2=(ShipNeedle)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
    15Expression assertTrue(n1.equals(n2)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    16Expression assertEquals(r1,r2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    17Expression assertTrue(n1.equals(n2)) is a void method call, and thus it cannot be parameterized
    18Expression assertEquals(r1,r2) is a void method call, and thus it cannot be parameterized
    19Expression assertTrue(n1.equals(n2)) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    20Expression assertEquals(r1,r2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    21Expression assertTrue(n1.equals(n2)) is a void method call, and thus it cannot be parameterized
    22Expression assertEquals(r1,r2) is a void method call, and thus it cannot be parameterized