1# $NetBSD: cond-op-or.mk,v 1.8 2021/12/10 19:14:35 rillig Exp $
2#
3# Tests for the || operator in .if conditions.
4
5.if 0 || 0
6.  error
7.endif
8
9.if !(1 || 0)
10.  error
11.endif
12
13.if !(0 || 1)
14.  error
15.endif
16
17.if !(1 || 1)
18.  error
19.endif
20
21
22# The right-hand side is not evaluated since the left-hand side is already
23# true.
24.if 1 || ${UNDEF}
25.endif
26
27# When an outer condition makes the inner '||' condition irrelevant, neither
28# of its operands must be evaluated.  This had been wrong in cond.c 1.283 from
29# 2021-12-09 and was reverted in cond.c 1.284 an hour later.
30.if 0 && (!defined(UNDEF) || ${UNDEF})
31.endif
32
33# Test combinations of outer '&&' with inner '||', to ensure that the operands
34# of the inner '||' is only evaluated if necessary.
35DEF=	defined
36.if 0 && (${DEF} || ${UNDEF})
37.endif
38.if 0 && (!${DEF} || ${UNDEF})
39.endif
40.if 0 && (${UNDEF} || ${UNDEF})
41.endif
42.if 0 && (!${UNDEF} || ${UNDEF})
43.endif
44.if 1 && (${DEF} || ${UNDEF})
45.endif
46.if 1 && (!${DEF} || ${UNDEF})
47.endif
48.if 1 && (${UNDEF} || ${UNDEF})
49.endif
50.if 1 && (!${UNDEF} || ${UNDEF})
51.endif
52
53
54# The || operator may be abbreviated as |.  This is not widely known though
55# and is also not documented in the manual page.
56
57.if 0 | 0
58.  error
59.endif
60.if !(1 | 0)
61.  error
62.endif
63.if !(0 | 1)
64.  error
65.endif
66.if !(1 | 1)
67.  error
68.endif
69
70# There is no operator |||.
71.if 0 ||| 0
72.  error
73.endif
74
75all:
76	@:;
77