[src/trunk]: src/usr.bin/make/unit-tests tests/make: ensure that '.ifn' is an...

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/419857ebf88f
branches:  trunk
changeset: 359565:419857ebf88f
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Jan 09 20:21:44 2022 +0000

description:
tests/make: ensure that '.ifn' is an unknown directive

Due to the way DetermineKindOfConditional works, it could have been that
'.ifn' is treated like the negation of the plain '.if'.

diffstat:

 usr.bin/make/unit-tests/directive-if.exp |  1 +
 usr.bin/make/unit-tests/directive-if.mk  |  9 +++++++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diffs (31 lines):

diff -r c7630f11bcec -r 419857ebf88f usr.bin/make/unit-tests/directive-if.exp
--- a/usr.bin/make/unit-tests/directive-if.exp  Sun Jan 09 19:57:14 2022 +0000
+++ b/usr.bin/make/unit-tests/directive-if.exp  Sun Jan 09 20:21:44 2022 +0000
@@ -12,6 +12,7 @@
 make: "directive-if.mk" line 76: Don't do this, always put a space around comparison operators.
 make: "directive-if.mk" line 82: Don't do this, always put a space after a directive.
 make: "directive-if.mk" line 86: Don't do this, always put a space after a directive.
+make: "directive-if.mk" line 94: Unknown directive "ifn"
 make: Fatal errors encountered -- cannot continue
 make: stopped in unit-tests
 exit status 1
diff -r c7630f11bcec -r 419857ebf88f usr.bin/make/unit-tests/directive-if.mk
--- a/usr.bin/make/unit-tests/directive-if.mk   Sun Jan 09 19:57:14 2022 +0000
+++ b/usr.bin/make/unit-tests/directive-if.mk   Sun Jan 09 20:21:44 2022 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: directive-if.mk,v 1.9 2020/12/19 22:33:11 rillig Exp $
+# $NetBSD: directive-if.mk,v 1.10 2022/01/09 20:21:44 rillig Exp $
 #
 # Tests for the .if directive.
 #
@@ -86,4 +86,9 @@
 .  info Don't do this, always put a space after a directive.
 .endif
 
-all:
+
+# The directives '.ifdef' and '.ifmake' can be negated by inserting an 'n'.
+# This doesn't work for a plain '.if' though.
+#
+# expect+1: Unknown directive "ifn"
+.ifn 0