assertTrue(!CollectionUtils.equals(h1, p2)); assertTrue(!CollectionUtils.equals(p2, h1)); p2.put("bar", ""); assertTrue(CollectionUtils.equals(h1, p2)); assertTrue(CollectionUtils.equals(p2, h1)); p2.put("baz", "");
assertTrue(!CollectionUtils.equals(h1, p2)); assertTrue(!CollectionUtils.equals(p2, h1)); h1.put("baz", ""); assertTrue(CollectionUtils.equals(h1, p2)); assertTrue(CollectionUtils.equals(p2, h1)); h1.put("zyzzy", "");
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/ant/util/CollectionUtilsTest.java File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/ant/util/CollectionUtilsTest.java
Method name: void testDictionaryEquals() Method name: void testDictionaryEquals()
Number of AST nodes: 6 Number of AST nodes: 6
1
assertTrue(!CollectionUtils.equals(h1, p2));
1
assertTrue(!CollectionUtils.equals(h1, p2));
2
        assertTrue(!CollectionUtils.equals(p2, h1));
2
        assertTrue(!CollectionUtils.equals(p2, h1));
3
        p2.put("bar", "");
3
        h1.put("baz", "");
4
        assertTrue(CollectionUtils.equals(h1, p2));
4
        assertTrue(CollectionUtils.equals(h1, p2));
5
        assertTrue(CollectionUtils.equals(p2, h1));
5
        assertTrue(CollectionUtils.equals(p2, h1));
6
        p2.put("baz", "");
6
        h1.put("zyzzy", "");
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)0.0
Clones locationClones are in the same method
Number of node comparisons36
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements5
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    11
    assertTrue(!CollectionUtils.equals(h1, p2));
    17
    assertTrue(!CollectionUtils.equals(h1, p2));
    12
    assertTrue(!CollectionUtils.equals(p2, h1));
    18
    assertTrue(!CollectionUtils.equals(p2, h1));
    13
    p2.put("bar", "");
    13
    p2.put("bar", "");
    Preondition Violations
    Unmatched statement p2.put("bar",""); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                              
    14
    assertTrue(CollectionUtils.equals(h1, p2));
    20
    assertTrue(CollectionUtils.equals(h1, p2));
    15
    assertTrue(CollectionUtils.equals(p2, h1));
    21
    assertTrue(CollectionUtils.equals(p2, h1));
    16
    p2.put("baz", "");
    16
    p2.put("baz", "");
    19
    h1.put("baz", "");
    Differences
    Expression1Expression2Difference
    p2h1VARIABLE_NAME_MISMATCH
    java.util.Propertiesjava.util.HashtableVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.Properties of variable p2 does not match with type java.util.Hashtable of variable h1
    • Make classes java.util.Properties and java.util.Hashtable extend a common superclass
    19
    h1.put("baz", "");
                                                  
    22
    h1.put("zyzzy", "");
    Preondition Violations
    Unmatched statement h1.put("zyzzy",""); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    22
    h1.put("zyzzy", "");
    Precondition Violations (3)
    Row Violation
    1Unmatched statement p2.put("bar",""); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Type java.util.Properties of variable p2 does not match with type java.util.Hashtable of variable h1
    3Unmatched statement h1.put("zyzzy",""); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted