[src/trunk]: src/usr.bin/make/unit-tests make(1): improve test for undefined ...

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

details:   https://anonhg.NetBSD.org/src/rev/5b6d7a7123ed
branches:  trunk
changeset: 937139:5b6d7a7123ed
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Aug 09 15:15:29 2020 +0000

description:
make(1): improve test for undefined subexpression in :C modifier

In the previous test output, it was unnecessarily hard to see what
happens because of the many empty strings.  Enclosing the capturing
groups in parentheses helps against this.

diffstat:

 usr.bin/make/unit-tests/moderrs.exp |  2 +-
 usr.bin/make/unit-tests/moderrs.mk  |  4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diffs (30 lines):

diff -r c9517f96ce1b -r 5b6d7a7123ed usr.bin/make/unit-tests/moderrs.exp
--- a/usr.bin/make/unit-tests/moderrs.exp       Sun Aug 09 15:07:13 2020 +0000
+++ b/usr.bin/make/unit-tests/moderrs.exp       Sun Aug 09 15:15:29 2020 +0000
@@ -96,7 +96,7 @@
 make: No match for subexpression \1
 make: No match for subexpression \2
 make: No match for subexpression \1
-+ + + 3 5 8 3+ +1 34
+()+() ()+() ()+() 3 5 8 (3)+() ()+(1) 34
 mod-ts-parse:
 112358132134
 15152535558513521534
diff -r c9517f96ce1b -r 5b6d7a7123ed usr.bin/make/unit-tests/moderrs.mk
--- a/usr.bin/make/unit-tests/moderrs.mk        Sun Aug 09 15:07:13 2020 +0000
+++ b/usr.bin/make/unit-tests/moderrs.mk        Sun Aug 09 15:15:29 2020 +0000
@@ -1,4 +1,4 @@
-# $Id: moderrs.mk,v 1.13 2020/08/09 15:03:25 rillig Exp $
+# $Id: moderrs.mk,v 1.14 2020/08/09 15:15:29 rillig Exp $
 #
 # various modifier error tests
 
@@ -140,7 +140,7 @@
 mod-regex-undefined-subexpression:
        @echo $@:
        @echo ${FIB:C,1(.*),one\1,}             # all ok
-       @echo ${FIB:C,1(.*)|2(.*),\1+\2,}       # no match for subexpression
+       @echo ${FIB:C,1(.*)|2(.*),(\1)+(\2),:Q} # no match for subexpression
 
 mod-ts-parse:
        @echo $@: