if err != syscall.EINVAL {
			t.Errorf("#%d: got %v; want EINVAL", i, err)
		}
		if m != nil {
			t.Errorf("#%d: got %v; want nil", i, m)
		}
	}
}

func TestSyscallNoError(t *testing.T) {
	// On Linux there are currently no syscalls which don't fail and return
	// a value larger than 0xfffffffffffff001 so we could test RawSyscall
	// vs. RawSyscallNoError on 64bit architectures.