[src/trunk]: src/tests/bin/sh Add a test for the bug in PR bin/53712 ( " { ...

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

details:   https://anonhg.NetBSD.org/src/rev/8a52ac7edb99
branches:  trunk
changeset: 445827:8a52ac7edb99
user:      kre <kre%NetBSD.org@localhost>
date:      Wed Nov 14 02:37:51 2018 +0000

description:
Add a test for the bug in PR bin/53712   ( " { } > out " core dump )
Tested with both fixed, and unfixed, versions of /bin/sh (and in
posix mode, where that is a syntax error).

diffstat:

 tests/bin/sh/t_syntax.sh |  31 ++++++++++++++++++++++++++++++-
 1 files changed, 30 insertions(+), 1 deletions(-)

diffs (50 lines):

diff -r eb58bfcbcf8f -r 8a52ac7edb99 tests/bin/sh/t_syntax.sh
--- a/tests/bin/sh/t_syntax.sh  Wed Nov 14 02:30:00 2018 +0000
+++ b/tests/bin/sh/t_syntax.sh  Wed Nov 14 02:37:51 2018 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: t_syntax.sh,v 1.9 2017/08/21 00:56:22 kre Exp $
+# $NetBSD: t_syntax.sh,v 1.10 2018/11/14 02:37:51 kre Exp $
 #
 # Copyright (c) 2017 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -1197,6 +1197,34 @@
                'case break in (/);; (\/);; (/\|/\));; (\\//);; esac'
 }
 
+atf_test_case z_PR_53712
+z_PR_53712_head() {
+       atf_set "descr" "Check for avoiding the core dump from PR bin/53712"
+}
+z_PR_53712_body() {
+       atf_require_prog sysctl
+       atf_require_prog rm
+
+       # Don't want to have to deal with all the possible ways
+       # that the systcm might be configured to drop core files...
+       sysctl -w proc.$$.corename=core ||
+               atf_skip "Unable to set file name for core dump file"
+       rm -f core
+
+       ${TEST_SH} -c '{ } > out'; S=$?
+       test -f core &&
+               atf_fail "PR bin/53712: ${TEST_SH} dumps core: status=$S"
+       test "$S" -lt 128 ||
+               atf_fail "PR bin/53712: ${TEST_SH} reported status $S (core?)"
+
+       # It doesn't matter here whether or not there was an error
+       # from the empty compound, or whether "out" was created
+       # just that no core dump appeared, and the shell did not
+       # exit because of a signal.
+
+       return 0
+}
+
 atf_init_test_cases() {
        atf_add_test_case a_basic_tokenisation
        atf_add_test_case b_comments
@@ -1219,4 +1247,5 @@
 
        atf_add_test_case z_PR_48498
        atf_add_test_case z_PR_52426
+       atf_add_test_case z_PR_53712
 }