158-70-87

if (in != null) { try { in.close(); in = null; } catch (IOException e) { // ignore } }
try { super.tearDown(); } catch (Exception e) { // ignore }

Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/mail/MailMessageTest.java |  | File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/ant/types/selectors/ModifiedSelectorTest.java
Method name: `void disconnect()` |  | Method name: `void tearDown()`
Number of AST nodes: 4 |  | Number of AST nodes: 2

1

    if (in != null) {↵

2

                    try {↵

3

                        in.close();↵

4

                        in = null;↵

5

        ↵

1

    try {↵

2

                    super.tearDown();↵

6

                } catch (IOException e) {↵

3

                } catch (Exception e) {↵

7

                        // ignore↵

4

                    // ignore↵

8

                    }↵

9

                }

5

                }

See real code fragment |  | See real code fragment

Summary
Number of common nesting structure subtrees | 1
Number of refactorable cases | 0
Number of non-refactorable cases | 1
Time elapsed for finding largest common nesting structure subtrees (ms) | 0.1
Clones location | Clones are in different classes
Number of node comparisons | 6

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 2
   Number of unmapped statements in the first code fragment | 1
   Number of unmapped statements in the second code fragment | 0
   Time elapsed for statement mapping (ms) | 0.4
   Clone type | Type 3

   Mapped Statements
   ID | Statement |  | ID | Statement
   --- | --- | --- | --- | ---

   7

       try

   7 | try
   1 | try

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   java.io.IOException | java.lang.Exception | SUBCLASS_TYPE_MISMATCH
   java.io.IOException | java.lang.Exception | SUBCLASS_TYPE_MISMATCH

   1

       try

   8

       in.close();

   8 | in.close();
   2 | super.tearDown();

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   in.close() | super.tearDown() | TYPE_COMPATIBLE_REPLACEMENT

   Preondition Violations
   Expression in.close() is a method call throwing exception(s) that should be caught by a try block that will be extracted
   Expression super.tearDown() is a method call throwing exception(s) that should be caught by a try block that will be extracted
   Expression in.close() is a void method call, and thus it cannot be parameterized
   Expression super.tearDown() is a void method call, and thus it cannot be parameterized

   2

       super.tearDown();

   9

       in = null;

   Precondition Violations (4)
   Row | Violation
   --- | ---
   1 | Expression in.close() is a method call throwing exception(s) that should be caught by a try block that will be extracted
   2 | Expression super.tearDown() is a method call throwing exception(s) that should be caught by a try block that will be extracted
   3 | Expression in.close() is a void method call, and thus it cannot be parameterized
   4 | Expression super.tearDown() is a void method call, and thus it cannot be parameterized