String ls = System.getProperty("line.separator"); perms.setSecurityManager(); try { String s = System.setProperty("line.separator",ls); fail("Could perform an action that should have been forbidden."); } catch (SecurityException e){ // Was expected, test passes } finally { perms.restoreSecurityManager(); }
perms.setSecurityManager(); try { String s = System.getProperty("user.home"); System.setProperty("user.home", s); fail("Could perform an action that should have been forbidden."); } catch (SecurityException e){ // Was expected, test passes } finally { perms.restoreSecurityManager(); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/ant/types/PermissionsTest.java File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/ant/types/PermissionsTest.java
Method name: void testOther() Method name: void testGrantedAndRevoked()
Number of AST nodes: 5 Number of AST nodes: 5
1
String ls = System.getProperty("line.separator");
2
        perms.setSecurityManager();
1
perms.setSecurityManager();
3
        try {
2
        try {
4
            String s = System.setProperty("line.separator
3
            String s = System.getProperty("user.home");
5
",ls);
4
            System.setProperty("user.home", s);
6
            fail("Could perform an action that should have been forbidden.");
5
            fail("Could perform an action that should have been forbidden.");
7
        } catch (SecurityException e){
6
        } catch (SecurityException e){
8
            // Was expected, test passes
7
            // Was expected, test passes
9
        } finally {
8
        } finally {
10
            perms.restoreSecurityManager();
9
            perms.restoreSecurityManager();
11
        }
10
        }
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)0.2
Clones locationClones are declared in the same class
Number of node comparisons14
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.8
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    String ls = System.getProperty("line.separator");
                                                                                                        
    2
    perms.setSecurityManager();
    1
    perms.setSecurityManager();
    3
    try
    2
    try
    4
    String s = System.setProperty("line.separator", ls);
    4
    String s = System.setProperty("line.separator", ls);
    3
    String s = System.getProperty("user.home");
    Differences
    Expression1Expression2Difference
    setPropertygetPropertyMETHOD_INVOCATION_NAME_MISMATCH
    System.setProperty("line.separator",ls)System.getProperty("user.home")ARGUMENT_NUMBER_MISMATCH
    3
    String s = System.getProperty("user.home");
                                                                              
    4
    System.setProperty("user.home", s);
    5
    fail("Could perform an action that should have been forbidden.");
    5
    fail("Could perform an action that should have been forbidden.");
    Precondition Violations (1)
    Row Violation
    1Clone fragment #1 returns variables , while Clone fragment #2 returns variables s