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));
double start = 10.0; double end = 20.0; HistogramBin b1 = new HistogramBin(start, end); HistogramBin b2 = null; try { b2 = (HistogramBin) b1.clone(); } catch (CloneNotSupportedException e) { System.err.println("Failed to clone."); } 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/block/junit/BlockContainerTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/statistics/junit/HistogramBinTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 8 Number of AST nodes: 9
1
BlockContainer c1 = new BlockContainer(new FlowArrangement());
2
        c1.add(new EmptyBlock(1.2, 3.4));
3
        
4
        BlockContainer c
1
double start = 10.0;
2
        double end = 20.0;
3
        HistogramBin b1 = new HistogramBin(start, end);
5
2 = null;
4
        HistogramBin b2 = null;
6
        
7
        try {
5
        try {
8
            c2 = (BlockContainer) c1.clone();
6
            b2 = (HistogramBin) b1.clone();
9
        }
7
        }
10
        catch (CloneNotSupportedException e) {
8
        catch (CloneNotSupportedException e) {
11
            System.err.println("Failed to clone.");
9
            System.err.println("Failed to clone.");
12
        }
10
        }
13
        assertTrue(c1 != c2);
11
        assertTrue(b1 != b2);
14
        assertTrue(c1.getClass() == c2.getClass());
12
        assertTrue(b1.getClass() == b2.getClass());
15
        assertTrue(c1.equals(c2));
13
        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 comparisons46
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment4
    Number of unmapped statements in the second code fragment5
    Time elapsed for statement mapping (ms)4.0
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
                                              
    1
    double start = 10.0;
    1
    BlockContainer c1 = new BlockContainer(new FlowArrangement());
    1
    BlockContainer c1 = new BlockContainer(new FlowArrangement());
    Preondition Violations
    Unmatched statement BlockContainer c1=new BlockContainer(new FlowArrangement()); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                                                                  
                                          
    2
    double end = 20.0;
    2
    c1.add(new EmptyBlock(1.2, 3.4));
    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 the extracted code, because it has control dependencies from statements that will be extracted
                                                                          
                                                                                                  
    3
    HistogramBin b1 = new HistogramBin(start, end);
    Preondition Violations
    Unmatched statement HistogramBin b1=new HistogramBin(start,end); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3
    HistogramBin b1 = new HistogramBin(start, end);
    3
    BlockContainer c2 = null;
                                                        
                                                    
    4
    HistogramBin b2 = null;
    4
    try
    5
    try
    5
    c2 = (BlockContainer)c1.clone();
    5
    c2 = (BlockContainer)c1.clone();
    Preondition Violations
    Unmatched statement c2=(BlockContainer)c1.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
                                                                      
                                                                  
    6
    b2 = (HistogramBin)b1.clone();
    Preondition Violations
    Unmatched statement b2=(HistogramBin)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
    6
    b2 = (HistogramBin)b1.clone();
    6
    assertTrue(c1 != c2);
    6
    assertTrue(c1 != c2);
    7
    assertTrue(b1 != b2);
    Differences
    Expression1Expression2Difference
    c1b1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.BlockContainerorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    c2b2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.BlockContainerorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.BlockContainer of variable c1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1
    • Make classes org.jfree.chart.block.BlockContainer and org.jfree.data.statistics.HistogramBin extend a common superclass
    Type org.jfree.chart.block.BlockContainer of variable c2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    • Make classes org.jfree.chart.block.BlockContainer and org.jfree.data.statistics.HistogramBin extend a common superclass
    7
    assertTrue(b1 != b2);
    7
    assertTrue(c1.getClass() == c2.getClass());
    7
    assertTrue(c1.getClass() == c2.getClass());
    8
    assertTrue(b1.getClass() == b2.getClass());
    Differences
    Expression1Expression2Difference
    c1b1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.BlockContainerorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    c2b2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.BlockContainerorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.BlockContainer of variable c1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1
    • Make classes org.jfree.chart.block.BlockContainer and org.jfree.data.statistics.HistogramBin extend a common superclass
    Type org.jfree.chart.block.BlockContainer of variable c2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    • Make classes org.jfree.chart.block.BlockContainer and org.jfree.data.statistics.HistogramBin extend a common superclass
    8
    assertTrue(b1.getClass() == b2.getClass());
    8
    assertTrue(c1.equals(c2));
    8
    assertTrue(c1.equals(c2));
    9
    assertTrue(b1.equals(b2));
    Differences
    Expression1Expression2Difference
    c2b2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.BlockContainerorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    c1b1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.BlockContainerorg.jfree.data.statistics.HistogramBinVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.BlockContainer of variable c2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    • Make classes org.jfree.chart.block.BlockContainer and org.jfree.data.statistics.HistogramBin extend a common superclass
    Type org.jfree.chart.block.BlockContainer of variable c1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1
    • Make classes org.jfree.chart.block.BlockContainer and org.jfree.data.statistics.HistogramBin extend a common superclass
    9
    assertTrue(b1.equals(b2));
    Precondition Violations (11)
    Row Violation
    1Unmatched statement BlockContainer c1=new BlockContainer(new FlowArrangement()); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement c1.add(new EmptyBlock(1.2,3.4)); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement HistogramBin b1=new HistogramBin(start,end); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4Unmatched statement c2=(BlockContainer)c1.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
    5Unmatched statement b2=(HistogramBin)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
    6Type org.jfree.chart.block.BlockContainer of variable c1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1
    7Type org.jfree.chart.block.BlockContainer of variable c2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    8Type org.jfree.chart.block.BlockContainer of variable c1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1
    9Type org.jfree.chart.block.BlockContainer of variable c2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    10Type org.jfree.chart.block.BlockContainer of variable c2 does not match with type org.jfree.data.statistics.HistogramBin of variable b2
    11Type org.jfree.chart.block.BlockContainer of variable c1 does not match with type org.jfree.data.statistics.HistogramBin of variable b1