[src/trunk]: src/usr.bin/make/unit-tests Add unit-test for discarded :?

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

details:   https://anonhg.NetBSD.org/src/rev/d96febdc3a06
branches:  trunk
changeset: 340946:d96febdc3a06
user:      sjg <sjg%NetBSD.org@localhost>
date:      Mon Oct 12 17:09:29 2015 +0000

description:
Add unit-test for discarded :?

diffstat:

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

diffs (32 lines):

diff -r 39f977f7db03 -r d96febdc3a06 usr.bin/make/unit-tests/varmisc.exp
--- a/usr.bin/make/unit-tests/varmisc.exp       Mon Oct 12 16:48:13 2015 +0000
+++ b/usr.bin/make/unit-tests/varmisc.exp       Mon Oct 12 17:09:29 2015 +0000
@@ -15,4 +15,6 @@
 :? only rhs when value false
 false
 FALSE
+do not evaluate or expand :? if discarding
+is set
 exit status 0
diff -r 39f977f7db03 -r d96febdc3a06 usr.bin/make/unit-tests/varmisc.mk
--- a/usr.bin/make/unit-tests/varmisc.mk        Mon Oct 12 16:48:13 2015 +0000
+++ b/usr.bin/make/unit-tests/varmisc.mk        Mon Oct 12 17:09:29 2015 +0000
@@ -1,8 +1,8 @@
-# $Id: varmisc.mk,v 1.4 2015/10/11 06:32:15 sjg Exp $
+# $Id: varmisc.mk,v 1.5 2015/10/12 17:09:29 sjg Exp $
 #
 # Miscellaneous variable tests.
 
-all: unmatched_var_paren D_true U_true D_false U_false Q_lhs Q_rhs
+all: unmatched_var_paren D_true U_true D_false U_false Q_lhs Q_rhs NQ_none
 
 unmatched_var_paren:
        @echo ${foo::=foo-text}
@@ -36,3 +36,7 @@
 Q_rhs:
        @echo :? only rhs when value false
        @echo ${0:L:?${True}:${False}}
+
+NQ_none:
+       @echo do not evaluate or expand :? if discarding
+       @echo ${VSET:U${1:L:?${True}:${False}}}