Function assert_guards

tests/all/memory.rs:224–238

(store: &Store<()>, mem: &Memory)

    };

    unsafe fn assert_guards(store: &Store<()>, mem: &Memory) {
        unsafe {
            // guards before
            println!("check pre-mem");
            assert_faults(mem.data_ptr(&store).offset(-(GUARD_SIZE as isize)));

            // unmapped just after memory
            println!("check mem");
            assert_faults(mem.data_ptr(&store).add(mem.data_size(&store)));

            // guards after memory
            println!("check post-mem");
            assert_faults(mem.data_ptr(&store).add(1 << 20));
        }
    }
    unsafe {
        assert_guards(&store, &mem1);
        assert_guards(&store, &mem2);