Add fuzz calls for SBStringList and add obj.Clear() calls for some files.

llvm-svn: 134040

lldb/test/python_api/default-constructor/TestDefaultConstructorForAPIObjects.py

@@ -239,6 +239,9 @@ class APIDefaultConstructorTestCase(TestBase):
         if self.TraceOn():
             print obj
         self.assertFalse(obj)
+        # Do fuzz testing on the invalid obj, it should not crash lldb.
+        import sb_stringlist
+        sb_stringlist.fuzz_obj(obj)
 
     @python_api_test
     def test_SBSymbol(self):