TextTitle t = new TextTitle("Title"); XYTitleAnnotation a1 = new XYTitleAnnotation(1.0, 2.0, t); XYTitleAnnotation a2 = null; try { a2 = (XYTitleAnnotation) a1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(a1 != a2); assertTrue(a1.getClass() == a2.getClass()); assertTrue(a1.equals(a2));
BlockContainer c1 = new BlockContainer(new FlowArrangement()); c1.add(new EmptyBlock(1.2, 3.4)); BlockContainer c2 = null; try { c2 = (BlockContainer) c1.clone(); } catch (CloneNotSupportedException e) { System.err.println("Failed to clone."); } assertTrue(c1 != c2); assertTrue(c1.getClass() == c2.getClass()); assertTrue(c1.equals(c2));
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/experimental/org/jfree/experimental/chart/annotations/junit/XYTitleAnnotationTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/block/junit/BlockContainerTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 8 Number of AST nodes: 8
1
TextTitle t = new TextTitle("Title");
2
        XYTitleAnnotation a1 = new XYTitleAnnotation
1
BlockContainer c1 = new BlockContainer(new FlowArrangement());
3
(1.0, 2.0, t);
2
        c1.add(new EmptyBlock(1.2, 3.4));
4
        XYTitleAnnotation a
3
        
5
2 = null;
4
        BlockContainer c2 = null;
5
        
6
        try {
6
        try {
7
            a2 = (XYTitleAnnotation) a1.clone();
7
            c2 = (BlockContainer) c1.clone();
8
        }
8
        }
9
        catch (CloneNotSupportedException e) {
9
        catch (CloneNotSupportedException e) {
10
            e.printStackTrace();
10
            System.err.println("Failed to clone.");
11
        }
11
        }
12
        assertTrue(a1 != a2);
12
        assertTrue(c1 != c2);
13
        assertTrue(a1.getClass() == a2.getClass());
13
        assertTrue(c1.getClass() == c2.getClass());
14
        assertTrue(a1.equals(a2));
14
        assertTrue(c1.equals(c2));
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)0.3
Clones locationClones are in different classes having the same super class
Number of node comparisons32
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements7
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)30.7
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    TextTitle t = new TextTitle("Title");
    1
    TextTitle t = new TextTitle("Title");
    Preondition Violations
    Unmatched statement TextTitle t=new TextTitle("Title"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                
    2
    XYTitleAnnotation a1 = new XYTitleAnnotation(1.0, 2.0, t);
    2
    XYTitleAnnotation a1 = new XYTitleAnnotation(1.0, 2.0, t);
    1
    BlockContainer c1 = new BlockContainer(new FlowArrangement());
    Differences
    Expression1Expression2Difference
    org.jfree.experimental.chart.annotations.XYTitleAnnotationorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    a1c1VARIABLE_NAME_MISMATCH
    org.jfree.experimental.chart.annotations.XYTitleAnnotationorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    org.jfree.experimental.chart.annotations.XYTitleAnnotationorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    new XYTitleAnnotation(1.0,2.0,t)new BlockContainer(new FlowArrangement())ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression new XYTitleAnnotation(1.0,2.0,t) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new BlockContainer(new FlowArrangement()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new XYTitleAnnotation(1.0,2.0,t) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new BlockContainer(new FlowArrangement()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    1
    BlockContainer c1 = new BlockContainer(new FlowArrangement());
                                                                          
    2
    c1.add(new EmptyBlock(1.2, 3.4));
    Preondition Violations
    Unmatched statement c1.add(new EmptyBlock(1.2,3.4)); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2
    c1.add(new EmptyBlock(1.2, 3.4));
    3
    XYTitleAnnotation a2 = null;
    3
    XYTitleAnnotation a2 = null;
    3
    BlockContainer c2 = null;
    Differences
    Expression1Expression2Difference
    org.jfree.experimental.chart.annotations.XYTitleAnnotationorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    a2c2VARIABLE_NAME_MISMATCH
    org.jfree.experimental.chart.annotations.XYTitleAnnotationorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    3
    BlockContainer c2 = null;
    4
    try
    4
    try
    4
    try
    Differences
    Expression1Expression2Difference
    printStackTraceprintlnMETHOD_INVOCATION_NAME_MISMATCH
    eSystem.errAST_TYPE_MISMATCH
    e.printStackTrace()System.err.println("Failed to clone.")ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression e.printStackTrace() 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.err.println("Failed to clone.") 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 e.printStackTrace() is a void method call, and thus it cannot be parameterized
    Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    4
    try
    5
    a2 = (XYTitleAnnotation)a1.clone();
    5
    a2 = (XYTitleAnnotation)a1.clone();
    5
    c2 = (BlockContainer)c1.clone();
    Differences
    Expression1Expression2Difference
    a2c2VARIABLE_NAME_MISMATCH
    org.jfree.experimental.chart.annotations.XYTitleAnnotationorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    org.jfree.experimental.chart.annotations.XYTitleAnnotationorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    a1c1VARIABLE_NAME_MISMATCH
    org.jfree.experimental.chart.annotations.XYTitleAnnotationorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression (XYTitleAnnotation)a1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (BlockContainer)c1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5
    c2 = (BlockContainer)c1.clone();
    6
    assertTrue(a1 != a2);
    6
    assertTrue(a1 != a2);
    6
    assertTrue(c1 != c2);
    Differences
    Expression1Expression2Difference
    a1c1VARIABLE_NAME_MISMATCH
    org.jfree.experimental.chart.annotations.XYTitleAnnotationorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    a2c2VARIABLE_NAME_MISMATCH
    org.jfree.experimental.chart.annotations.XYTitleAnnotationorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    6
    assertTrue(c1 != c2);
    7
    assertTrue(a1.getClass() == a2.getClass());
    7
    assertTrue(a1.getClass() == a2.getClass());
    7
    assertTrue(c1.getClass() == c2.getClass());
    Differences
    Expression1Expression2Difference
    a1c1VARIABLE_NAME_MISMATCH
    org.jfree.experimental.chart.annotations.XYTitleAnnotationorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    a2c2VARIABLE_NAME_MISMATCH
    org.jfree.experimental.chart.annotations.XYTitleAnnotationorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    7
    assertTrue(c1.getClass() == c2.getClass());
    8
    assertTrue(a1.equals(a2));
    8
    assertTrue(a1.equals(a2));
    8
    assertTrue(c1.equals(c2));
    Differences
    Expression1Expression2Difference
    a2c2VARIABLE_NAME_MISMATCH
    org.jfree.experimental.chart.annotations.XYTitleAnnotationorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    a1c1VARIABLE_NAME_MISMATCH
    org.jfree.experimental.chart.annotations.XYTitleAnnotationorg.jfree.chart.block.BlockContainerSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression a2 cannot be unified with expression c2 , because common superclass type org.jfree.util.PublicCloneable cannot be passed as an argument to public boolean equals(java.lang.Object)
    Expression a2 cannot be unified with expression c2 , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public boolean equals(java.lang.Object)
    Expression a1 cannot be unified with expression c1 , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public boolean equals(java.lang.Object)
    8
    assertTrue(c1.equals(c2));
    Precondition Violations (19)
    Row Violation
    1Unmatched statement TextTitle t=new TextTitle("Title"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Expression new XYTitleAnnotation(1.0,2.0,t) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression new BlockContainer(new FlowArrangement()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression new XYTitleAnnotation(1.0,2.0,t) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression new BlockContainer(new FlowArrangement()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Unmatched statement c1.add(new EmptyBlock(1.2,3.4)); cannot be moved before or after the extracted code, 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 e.printStackTrace() is a void method call, and thus it cannot be parameterized
    9Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    10Expression e cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    12Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    13Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    14Expression (XYTitleAnnotation)a1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    15Expression (BlockContainer)c1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    16Expression a2 cannot be unified with expression c2 , because common superclass type org.jfree.util.PublicCloneable cannot be passed as an argument to public boolean equals(java.lang.Object)
    17Expression a2 cannot be unified with expression c2 , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public boolean equals(java.lang.Object)
    18Expression a1 cannot be unified with expression c1 , because common superclass org.jfree.util.PublicCloneable does not declare member(s) public boolean equals(java.lang.Object)
    19Clone fragment #1 returns variables , while Clone fragment #2 returns variables c1