1# $NetBSD: cond-op-and.mk,v 1.9 2023/12/17 09:44:00 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# false.
24.if 0 && ${UNDEF}
25.endif
26
27# When an outer condition makes the inner '&&' condition irrelevant, neither
28# of its operands must be evaluated.
29#
30.if 1 || (${UNDEF} && ${UNDEF})
31.endif
32
33# Test combinations of outer '||' with inner '&&', to ensure that the operands
34# of the inner '&&' are only evaluated if necessary.
35DEF=	defined
36# expect+1: Malformed conditional (0 || (${DEF} && ${UNDEF}))
37.if 0 || (${DEF} && ${UNDEF})
38.endif
39.if 0 || (!${DEF} && ${UNDEF})
40.endif
41# expect+1: Malformed conditional (0 || (${UNDEF} && ${UNDEF}))
42.if 0 || (${UNDEF} && ${UNDEF})
43.endif
44# expect+1: Malformed conditional (0 || (!${UNDEF} && ${UNDEF}))
45.if 0 || (!${UNDEF} && ${UNDEF})
46.endif
47.if 1 || (${DEF} && ${UNDEF})
48.endif
49.if 1 || (!${DEF} && ${UNDEF})
50.endif
51.if 1 || (${UNDEF} && ${UNDEF})
52.endif
53.if 1 || (!${UNDEF} && ${UNDEF})
54.endif
55
56
57# The && operator may be abbreviated as &.  This is not widely known though
58# and is also not documented in the manual page.
59
60.if 0 & 0
61.  error
62.endif
63.if 1 & 0
64.  error
65.endif
66.if 0 & 1
67.  error
68.endif
69.if !(1 & 1)
70.  error
71.endif
72
73# There is no operator &&&.
74# expect+1: Malformed conditional (0 &&& 0)
75.if 0 &&& 0
76.  error
77.endif
78
79# The '&&' operator must be preceded by whitespace, otherwise it becomes part
80# of the preceding bare word.  The condition is parsed as '"1&&" != "" && 1'.
81.if 1&& && 1
82.else
83.  error
84.endif
85