158-69-156

if (sock != null) { try { sock.close(); sock = null; } catch (IOException e) { // ignore } }
try { return (String) testCaseName.invoke(t, new Object[0]); } catch (Throwable 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/org/apache/tools/ant/taskdefs/optional/junit/JUnitVersionHelper.java
Method name: `void disconnect()` |  | Method name: `String getTestCaseName(Test)`
Number of AST nodes: 4 |  | Number of AST nodes: 2

1

    if (sock != null) {↵

2

                    try {↵

3

                        sock.close();↵

4

                        sock = null;↵

5

        ↵

1

    try {↵

2

                    return (String) testCaseName.invoke(t, new Object[0]);↵

6

                } catch (IOException e) {↵

3

                } catch (Throwable 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) | 0.2
Clones location | Clones are in different classes
Number of node comparisons | 7

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 1
   Number of unmapped statements in the first code fragment | 2
   Number of unmapped statements in the second code fragment | 1
   Time elapsed for statement mapping (ms) | 0.3
   Clone type | Type 3

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

   11

       try

   11 | try
   8 | try

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

   8

       try

   9 | return (String)testCaseName.invoke(t, new Object[0]);

   Preondition Violations
   Unmatched statement return (String)testCaseName.invoke(t,new Object[0]); 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
   Unmatched return (String)testCaseName.invoke(t,new Object[0]);

   9

       return (String)testCaseName.invoke(t, new Object[0]);

   12

       sock.close();

   12 | sock.close();

   Preondition Violations
   Unmatched statement sock.close(); 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

   13

       sock = null;

   Precondition Violations (3)
   Row | Violation
   --- | ---
   1 | Unmatched statement return (String)testCaseName.invoke(t,new Object[0]); 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
   2 | Unmatched return (String)testCaseName.invoke(t,new Object[0]);
   3 | Unmatched statement sock.close(); 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