39     BOOL blocking;  in _fixes_test_direction()  local
44     blocking = barrier_is_blocking_direction(barrier, dir);  in _fixes_test_direction()
45     assert(blocking);  in _fixes_test_direction()
50             blocking = barrier_is_blocking_direction(barrier, dir);  in _fixes_test_direction()
52                    permitted ? !blocking : blocking);  in _fixes_test_direction()
147     /* edge case: startpoint of movement on barrier → blocking */  in fixes_pointer_barriers_test()
154     /* edge case: startpoint of movement on barrier → not blocking, positive */  in fixes_pointer_barriers_test()
161     /* edge case: startpoint of movement on barrier → not blocking, negative */  in fixes_pointer_barriers_test()
168     /* edge case: endpoint of movement on barrier → blocking */  in fixes_pointer_barriers_test()
228     /* edge case: startpoint of movement on barrier → blocking */  in fixes_pointer_barriers_test()
235     /* edge case: startpoint of movement on barrier → not blocking, positive */  in fixes_pointer_barriers_test()
242     /* edge case: startpoint of movement on barrier → not blocking, negative */  in fixes_pointer_barriers_test()
249     /* edge case: endpoint of movement on barrier → blocking */  in fixes_pointer_barriers_test()