Add fuzz calls for SBBlock.

llvm-svn: 133780

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

@@ -32,6 +32,9 @@ 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_block
+        sb_block.fuzz_obj(obj)
 
     @python_api_test
     def test_SBBreakpoint(self):