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[src/trunk]: src/usr.bin/make/unit-tests make(1): add test for null byte in t...



details:   https://anonhg.NetBSD.org/src/rev/6a686424f172
branches:  trunk
changeset: 974721:6a686424f172
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Aug 09 09:17:19 2020 +0000

description:
make(1): add test for null byte in the output of a command

diffstat:

 usr.bin/make/unit-tests/modmisc.mk |  16 +++++++++++++++-
 1 files changed, 15 insertions(+), 1 deletions(-)

diffs (27 lines):

diff -r 0217221ae94c -r 6a686424f172 usr.bin/make/unit-tests/modmisc.mk
--- a/usr.bin/make/unit-tests/modmisc.mk        Sun Aug 09 09:11:41 2020 +0000
+++ b/usr.bin/make/unit-tests/modmisc.mk        Sun Aug 09 09:17:19 2020 +0000
@@ -1,4 +1,4 @@
-# $Id: modmisc.mk,v 1.39 2020/08/09 08:03:31 rillig Exp $
+# $Id: modmisc.mk,v 1.40 2020/08/09 09:17:19 rillig Exp $
 #
 # miscellaneous modifier tests
 
@@ -401,3 +401,17 @@
 .if ${value:L:${:Dempty}S,a,A,} != "vAlue"
 .warning unexpected
 .endif
+
+# begin mod-shell
+
+.if ${:!echo hello | tr 'l' 'l'!} != "hello"
+.warning unexpected
+.endif
+
+# The output is truncated at the first null byte.
+# Cmd_Exec returns only a string pointer without length information.
+.if ${:!echo hello | tr 'l' '\0'!} != "he"
+.warning unexpected
+.endif
+
+# end mod-shell



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