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));
YIntervalSeries s1 = new YIntervalSeries("s1"); s1.add(1.0, 0.5, 1.5, 2.0); YIntervalSeries s2 = null; try { s2 = (YIntervalSeries) s1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(s1 != s2); assertTrue(s1.getClass() == s2.getClass()); assertTrue(s1.equals(s2));
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/xy/junit/YIntervalSeriesTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 8 Number of AST nodes: 8
1
BlockContainer c1 = new BlockContainer(new FlowArrangement());
1
YIntervalSeries s1 = new YIntervalSeries("s1");
2
        c1.add(new EmptyBlock(1.2, 3.4));
2
        s1.add(1.0, 0.5, 1.5, 2.0);
3
        
3
        
4
        BlockContainer c2 = null;
4
YIntervalSeries s2 = null;
5
        
6
        try {
5
        try {
7
            c2 = (BlockContainer) c1.clone();
6
            s2 = (YIntervalSeries) s1.clone();
8
        }
7
        }
9
        catch (CloneNotSupportedException e) {
8
        catch (CloneNotSupportedException e) {
10
            System.err.println("Failed to clone.");
9
            e.printStackTrace();
11
        }
10
        }
12
        assertTrue(c1 != c2);
11
        assertTrue(s1 != s2);
13
        assertTrue(c1.getClass() == c2.getClass());
12
        assertTrue(s1.getClass() == s2.getClass());
14
        assertTrue(c1.equals(c2));
13
        assertTrue(s1.equals(s2));
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 comparisons40
  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 fragment4
    Time elapsed for statement mapping (ms)5.1
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                    
    1
    YIntervalSeries s1 = new YIntervalSeries("s1");
    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
    s1.add(1.0, 0.5, 1.5, 2.0);
    Preondition Violations
    Unmatched statement s1.add(1.0,0.5,1.5,2.0); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2
    s1.add(1.0, 0.5, 1.5, 2.0);
    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
    YIntervalSeries s2 = null;
    3
    BlockContainer c2 = null;
                                                        
    4
    try
    4
    try
    4
    try
    Differences
    Expression1Expression2Difference
    printlnprintStackTraceMETHOD_INVOCATION_NAME_MISMATCH
    System.erreAST_TYPE_MISMATCH
    System.err.println("Failed to clone.")e.printStackTrace()ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression System.err.println("Failed to clone.") 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 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.err.println("Failed to clone.") 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
                                                                        
    5
    s2 = (YIntervalSeries)s1.clone();
    Preondition Violations
    Unmatched statement s2=(YIntervalSeries)s1.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
    s2 = (YIntervalSeries)s1.clone();
    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
    assertTrue(c1 != c2);
    6
    assertTrue(c1 != c2);
    6
    assertTrue(s1 != s2);
    Differences
    Expression1Expression2Difference
    c1s1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.BlockContainerorg.jfree.data.xy.YIntervalSeriesVARIABLE_TYPE_MISMATCH
    c2s2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.BlockContainerorg.jfree.data.xy.YIntervalSeriesVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.BlockContainer of variable c1 does not match with type org.jfree.data.xy.YIntervalSeries of variable s1
    • Make classes org.jfree.chart.block.BlockContainer and org.jfree.data.xy.YIntervalSeries extend a common superclass
    Type org.jfree.chart.block.BlockContainer of variable c2 does not match with type org.jfree.data.xy.YIntervalSeries of variable s2
    • Make classes org.jfree.chart.block.BlockContainer and org.jfree.data.xy.YIntervalSeries extend a common superclass
    6
    assertTrue(s1 != s2);
    7
    assertTrue(c1.getClass() == c2.getClass());
    7
    assertTrue(c1.getClass() == c2.getClass());
    7
    assertTrue(s1.getClass() == s2.getClass());
    Differences
    Expression1Expression2Difference
    c1s1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.BlockContainerorg.jfree.data.xy.YIntervalSeriesVARIABLE_TYPE_MISMATCH
    c2s2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.BlockContainerorg.jfree.data.xy.YIntervalSeriesVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.BlockContainer of variable c1 does not match with type org.jfree.data.xy.YIntervalSeries of variable s1
    • Make classes org.jfree.chart.block.BlockContainer and org.jfree.data.xy.YIntervalSeries extend a common superclass
    Type org.jfree.chart.block.BlockContainer of variable c2 does not match with type org.jfree.data.xy.YIntervalSeries of variable s2
    • Make classes org.jfree.chart.block.BlockContainer and org.jfree.data.xy.YIntervalSeries extend a common superclass
    7
    assertTrue(s1.getClass() == s2.getClass());
    8
    assertTrue(c1.equals(c2));
    8
    assertTrue(c1.equals(c2));
    8
    assertTrue(s1.equals(s2));
    Differences
    Expression1Expression2Difference
    c2s2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.BlockContainerorg.jfree.data.xy.YIntervalSeriesVARIABLE_TYPE_MISMATCH
    c1s1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.BlockContainerorg.jfree.data.xy.YIntervalSeriesVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.BlockContainer of variable c2 does not match with type org.jfree.data.xy.YIntervalSeries of variable s2
    • Make classes org.jfree.chart.block.BlockContainer and org.jfree.data.xy.YIntervalSeries extend a common superclass
    Type org.jfree.chart.block.BlockContainer of variable c1 does not match with type org.jfree.data.xy.YIntervalSeries of variable s1
    • Make classes org.jfree.chart.block.BlockContainer and org.jfree.data.xy.YIntervalSeries extend a common superclass
    8
    assertTrue(s1.equals(s2));
    Precondition Violations (18)
    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 s1.add(1.0,0.5,1.5,2.0); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched 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
    4Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression System.err.println("Failed to clone.") 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 e 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 System.err.println("Failed to clone.") 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
    11Unmatched statement s2=(YIntervalSeries)s1.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
    12Unmatched 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
    13Type org.jfree.chart.block.BlockContainer of variable c1 does not match with type org.jfree.data.xy.YIntervalSeries of variable s1
    14Type org.jfree.chart.block.BlockContainer of variable c2 does not match with type org.jfree.data.xy.YIntervalSeries of variable s2
    15Type org.jfree.chart.block.BlockContainer of variable c1 does not match with type org.jfree.data.xy.YIntervalSeries of variable s1
    16Type org.jfree.chart.block.BlockContainer of variable c2 does not match with type org.jfree.data.xy.YIntervalSeries of variable s2
    17Type org.jfree.chart.block.BlockContainer of variable c2 does not match with type org.jfree.data.xy.YIntervalSeries of variable s2
    18Type org.jfree.chart.block.BlockContainer of variable c1 does not match with type org.jfree.data.xy.YIntervalSeries of variable s1