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));
XYDataItem i1 = new XYDataItem(1.0, 1.1); XYDataItem i2 = null; try { i2 = (XYDataItem) i1.clone(); } catch (CloneNotSupportedException e) { System.err.println("XYDataItemTests.testCloning: failed to clone."); } assertTrue(i1 != i2); assertTrue(i1.getClass() == i2.getClass()); assertTrue(i1.equals(i2));
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/block/junit/EmptyBlockTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/xy/junit/XYDataItemTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 7
1
EmptyBlock b1 = new EmptyBlock(1.0, 2.0);
1
XYDataItem i1 = new XYDataItem(1.0, 1.1);
2
        EmptyBlock b2 = null;
2
        XYDataItem i2 = null;
3
        
4
        try {
3
        try {
5
            b2 = (EmptyBlock) b1.clone();
4
            i2 = (XYDataItem) i1.clone();
6
        }
5
        }
7
        catch (CloneNotSupportedException e) {
6
        catch (CloneNotSupportedException e) {
8
            fail(e.toString());
7
            System.err.println("XYDataItemTests.testCloning: failed to clone.");
9
        }
8
        }
10
        assertTrue(b1 != b2);
9
        assertTrue(i1 != i2);
11
        assertTrue(b1.getClass() == b2.getClass());
10
        assertTrue(i1.getClass() == i2.getClass());
12
        assertTrue(b1.equals(b2));
11
        assertTrue(i1.equals(i2));
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 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)4.2
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                      
    1
    XYDataItem i1 = new XYDataItem(1.0, 1.1);
    Preondition Violations
    Unmatched statement XYDataItem i1=new XYDataItem(1.0,1.1); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    XYDataItem i1 = new XYDataItem(1.0, 1.1);
    1
    EmptyBlock b1 = new EmptyBlock(1.0, 2.0);
                                                                                      
                                                
    2
    XYDataItem i2 = null;
    2
    EmptyBlock b2 = null;
                                                
    3
    try
    3
    try
    3
    try
    Differences
    Expression1Expression2Difference
    e.toString()"XYDataItemTests.testCloning: failed to clone."TYPE_COMPATIBLE_REPLACEMENT
    failprintlnMETHOD_INVOCATION_NAME_MISMATCH
    fail(e.toString())System.err.println("XYDataItemTests.testCloning: failed to clone.")TYPE_COMPATIBLE_REPLACEMENT
    System.errMISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression e.toString() 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 fail(e.toString()) is a void method call, and thus it cannot be parameterized
    Expression System.err.println("XYDataItemTests.testCloning: failed to clone.") is a void method call, and thus it cannot be parameterized
    Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    Expression System.err.println("XYDataItemTests.testCloning: failed to clone.") is a void method call, and thus it cannot be parameterized
    3
    try
                                                              
    4
    i2 = (XYDataItem)i1.clone();
    Preondition Violations
    Unmatched statement i2=(XYDataItem)i1.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
    i2 = (XYDataItem)i1.clone();
    4
    b2 = (EmptyBlock)b1.clone();
    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
                                                              
    5
    assertTrue(b1 != b2);
    5
    assertTrue(b1 != b2);
    5
    assertTrue(i1 != i2);
    Differences
    Expression1Expression2Difference
    b1i1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    b2i2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.EmptyBlock of variable b1 does not match with type org.jfree.data.xy.XYDataItem of variable i1
    • Make classes org.jfree.chart.block.EmptyBlock and org.jfree.data.xy.XYDataItem extend a common superclass
    Type org.jfree.chart.block.EmptyBlock of variable b2 does not match with type org.jfree.data.xy.XYDataItem of variable i2
    • Make classes org.jfree.chart.block.EmptyBlock and org.jfree.data.xy.XYDataItem extend a common superclass
    5
    assertTrue(i1 != i2);
    6
    assertTrue(b1.getClass() == b2.getClass());
    6
    assertTrue(b1.getClass() == b2.getClass());
    6
    assertTrue(i1.getClass() == i2.getClass());
    Differences
    Expression1Expression2Difference
    b1i1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    b2i2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.EmptyBlock of variable b1 does not match with type org.jfree.data.xy.XYDataItem of variable i1
    • Make classes org.jfree.chart.block.EmptyBlock and org.jfree.data.xy.XYDataItem extend a common superclass
    Type org.jfree.chart.block.EmptyBlock of variable b2 does not match with type org.jfree.data.xy.XYDataItem of variable i2
    • Make classes org.jfree.chart.block.EmptyBlock and org.jfree.data.xy.XYDataItem extend a common superclass
    6
    assertTrue(i1.getClass() == i2.getClass());
    7
    assertTrue(b1.equals(b2));
    7
    assertTrue(b1.equals(b2));
    7
    assertTrue(i1.equals(i2));
    Differences
    Expression1Expression2Difference
    b2i2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    b1i1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.data.xy.XYDataItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.EmptyBlock of variable b2 does not match with type org.jfree.data.xy.XYDataItem of variable i2
    • Make classes org.jfree.chart.block.EmptyBlock and org.jfree.data.xy.XYDataItem extend a common superclass
    Type org.jfree.chart.block.EmptyBlock of variable b1 does not match with type org.jfree.data.xy.XYDataItem of variable i1
    • Make classes org.jfree.chart.block.EmptyBlock and org.jfree.data.xy.XYDataItem extend a common superclass
    7
    assertTrue(i1.equals(i2));
    Precondition Violations (16)
    Row Violation
    1Unmatched statement XYDataItem i1=new XYDataItem(1.0,1.1); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Expression e.toString() 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 fail(e.toString()) is a void method call, and thus it cannot be parameterized
    5Expression System.err.println("XYDataItemTests.testCloning: failed to clone.") is a void method call, and thus it cannot be parameterized
    6Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    8Expression System.err.println("XYDataItemTests.testCloning: failed to clone.") is a void method call, and thus it cannot be parameterized
    9Unmatched statement i2=(XYDataItem)i1.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
    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
    11Type org.jfree.chart.block.EmptyBlock of variable b1 does not match with type org.jfree.data.xy.XYDataItem of variable i1
    12Type org.jfree.chart.block.EmptyBlock of variable b2 does not match with type org.jfree.data.xy.XYDataItem of variable i2
    13Type org.jfree.chart.block.EmptyBlock of variable b1 does not match with type org.jfree.data.xy.XYDataItem of variable i1
    14Type org.jfree.chart.block.EmptyBlock of variable b2 does not match with type org.jfree.data.xy.XYDataItem of variable i2
    15Type org.jfree.chart.block.EmptyBlock of variable b2 does not match with type org.jfree.data.xy.XYDataItem of variable i2
    16Type org.jfree.chart.block.EmptyBlock of variable b1 does not match with type org.jfree.data.xy.XYDataItem of variable i1