SegmentedTimeline l1 = new SegmentedTimeline(1000, 5, 2); SegmentedTimeline l2 = null; try { l2 = (SegmentedTimeline) l1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(l1 != l2); assertTrue(l1.getClass() == l2.getClass()); assertTrue(l1.equals(l2));
EmptyBlock b1 = new EmptyBlock(1.0, 2.0); EmptyBlock b2 = null; try { b2 = (EmptyBlock) b1.clone(); } catch (CloneNotSupportedException e) { fail(e.toString()); } assertTrue(b1 != b2); assertTrue(b1.getClass() == b2.getClass()); assertTrue(b1.equals(b2));
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/axis/junit/SegmentedTimelineTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/block/junit/EmptyBlockTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 7
1
SegmentedTimeline l1 = new SegmentedTimeline(1000, 5, 2);
2
        SegmentedTimeline l
1
EmptyBlock b1 = new EmptyBlock(1.0, 2.0);
3
2 = null;
2
        EmptyBlock b2 = null;
3
        
4
        try {
4
        try {
5
            l2 = (SegmentedTimeline) l1.clone();
5
            b2 = (EmptyBlock) b1.clone();
6
        }
6
        }
7
        catch (CloneNotSupportedException e) {
7
        catch (CloneNotSupportedException e) {
8
            e.printStackTrace();
8
            fail(e.toString());
9
        }
9
        }
10
        assertTrue(l1 != l2);
10
        assertTrue(b1 != b2);
11
        assertTrue(l1.getClass() == l2.getClass());
11
        assertTrue(b1.getClass() == b2.getClass());
12
        assertTrue(l1.equals(l2));
12
        assertTrue(b1.equals(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 comparisons29
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)6.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                      
    1
    EmptyBlock b1 = new EmptyBlock(1.0, 2.0);
    1
    SegmentedTimeline l1 = new SegmentedTimeline(1000, 5, 2);
    1
    SegmentedTimeline l1 = new SegmentedTimeline(1000, 5, 2);
    Preondition Violations
    Unmatched statement SegmentedTimeline l1=new SegmentedTimeline(1000,5,2); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                                                    
                                                
    2
    EmptyBlock b2 = null;
    2
    SegmentedTimeline l2 = 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
    b2 = (EmptyBlock)b1.clone();
    Preondition Violations
    Unmatched statement b2=(EmptyBlock)b1.clone(); 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
    4
    b2 = (EmptyBlock)b1.clone();
    4
    l2 = (SegmentedTimeline)l1.clone();
    4
    l2 = (SegmentedTimeline)l1.clone();
    Preondition Violations
    Unmatched statement l2=(SegmentedTimeline)l1.clone(); 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
                                                                            
    5
    assertTrue(l1 != l2);
    5
    assertTrue(l1 != l2);
    5
    assertTrue(b1 != b2);
    Differences
    Expression1Expression2Difference
    l1b1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.SegmentedTimelineorg.jfree.chart.block.EmptyBlockVARIABLE_TYPE_MISMATCH
    l2b2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.SegmentedTimelineorg.jfree.chart.block.EmptyBlockVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.SegmentedTimeline of variable l1 does not match with type org.jfree.chart.block.EmptyBlock of variable b1
    • Make classes org.jfree.chart.axis.SegmentedTimeline and org.jfree.chart.block.EmptyBlock extend a common superclass
    Type org.jfree.chart.axis.SegmentedTimeline of variable l2 does not match with type org.jfree.chart.block.EmptyBlock of variable b2
    • Make classes org.jfree.chart.axis.SegmentedTimeline and org.jfree.chart.block.EmptyBlock extend a common superclass
    5
    assertTrue(b1 != b2);
    6
    assertTrue(l1.getClass() == l2.getClass());
    6
    assertTrue(l1.getClass() == l2.getClass());
    6
    assertTrue(b1.getClass() == b2.getClass());
    Differences
    Expression1Expression2Difference
    l1b1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.SegmentedTimelineorg.jfree.chart.block.EmptyBlockVARIABLE_TYPE_MISMATCH
    l2b2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.SegmentedTimelineorg.jfree.chart.block.EmptyBlockVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.SegmentedTimeline of variable l1 does not match with type org.jfree.chart.block.EmptyBlock of variable b1
    • Make classes org.jfree.chart.axis.SegmentedTimeline and org.jfree.chart.block.EmptyBlock extend a common superclass
    Type org.jfree.chart.axis.SegmentedTimeline of variable l2 does not match with type org.jfree.chart.block.EmptyBlock of variable b2
    • Make classes org.jfree.chart.axis.SegmentedTimeline and org.jfree.chart.block.EmptyBlock extend a common superclass
    6
    assertTrue(b1.getClass() == b2.getClass());
    7
    assertTrue(l1.equals(l2));
    7
    assertTrue(l1.equals(l2));
    7
    assertTrue(b1.equals(b2));
    Differences
    Expression1Expression2Difference
    l2b2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.SegmentedTimelineorg.jfree.chart.block.EmptyBlockVARIABLE_TYPE_MISMATCH
    l1b1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.SegmentedTimelineorg.jfree.chart.block.EmptyBlockVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.SegmentedTimeline of variable l2 does not match with type org.jfree.chart.block.EmptyBlock of variable b2
    • Make classes org.jfree.chart.axis.SegmentedTimeline and org.jfree.chart.block.EmptyBlock extend a common superclass
    Type org.jfree.chart.axis.SegmentedTimeline of variable l1 does not match with type org.jfree.chart.block.EmptyBlock of variable b1
    • Make classes org.jfree.chart.axis.SegmentedTimeline and org.jfree.chart.block.EmptyBlock extend a common superclass
    7
    assertTrue(b1.equals(b2));
    Precondition Violations (17)
    Row Violation
    1Unmatched statement SegmentedTimeline l1=new SegmentedTimeline(1000,5,2); 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
    10Unmatched statement b2=(EmptyBlock)b1.clone(); 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
    11Unmatched statement l2=(SegmentedTimeline)l1.clone(); 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
    12Type org.jfree.chart.axis.SegmentedTimeline of variable l1 does not match with type org.jfree.chart.block.EmptyBlock of variable b1
    13Type org.jfree.chart.axis.SegmentedTimeline of variable l2 does not match with type org.jfree.chart.block.EmptyBlock of variable b2
    14Type org.jfree.chart.axis.SegmentedTimeline of variable l1 does not match with type org.jfree.chart.block.EmptyBlock of variable b1
    15Type org.jfree.chart.axis.SegmentedTimeline of variable l2 does not match with type org.jfree.chart.block.EmptyBlock of variable b2
    16Type org.jfree.chart.axis.SegmentedTimeline of variable l2 does not match with type org.jfree.chart.block.EmptyBlock of variable b2
    17Type org.jfree.chart.axis.SegmentedTimeline of variable l1 does not match with type org.jfree.chart.block.EmptyBlock of variable b1