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authorPádraig Brady <P@draigBrady.com>2015-01-13 03:30:33 +0000
committerPádraig Brady <P@draigBrady.com>2015-01-14 12:20:32 +0000
commit58cff8a009ed9b8280c5f35074cef97231286023 (patch)
tree771e8b3fa70fab99b548790931803b75dd272603 /cfg.mk
parent924b1cadff3f2782475516d7eca9aabe856dbf0f (diff)
downloadcoreutils-58cff8a009ed9b8280c5f35074cef97231286023.tar.xz
tests: add extra protection against unexpected exits
Many tests use `program ... && fail=1` to ensure expected error situations are indicated. However that would mask an unexpected exit (like a crash). Therefore explicitly check the expected exit code. Note where error messages are also verified, the extra protection is not added. * tests/init.sh (returns_): A new helper function to check the return code of a command, and used throughout the tests. * cfg.mk (sc_prohibit_and_fail_1): Add a syntax check to avoid new instances of this issue.
Diffstat (limited to 'cfg.mk')
-rw-r--r--cfg.mk11
1 files changed, 11 insertions, 0 deletions
diff --git a/cfg.mk b/cfg.mk
index 91045b852..70ca2e5dd 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -377,6 +377,17 @@ sc_prohibit_fail_0:
halt='fail=0 initialization' \
$(_sc_search_regexp)
+# Ensure that tests don't use `cmd ... && fail=1` as that hides crashes.
+# The "exclude" expression allows common idioms like `test ... && fail=1`
+# and the 2>... portion allows commands that redirect stderr and so probably
+# independently check its contents and thus detect any crash messages.
+sc_prohibit_and_fail_1:
+ @prohibit='&& fail=1' \
+ exclude='(stat|kill|test |EGREP|grep|env|2> *[^/])' \
+ halt='&& fail=1 detected. Please use: returns_ 1 ... || fail=1' \
+ in_vc_files='^tests/' \
+ $(_sc_search_regexp)
+
# The mode part of a setfacl -m option argument must be three bytes long.
# I.e., an argument of user:bin:rw or user:bin:r will make Solaris 10's
# setfacl reject it with: "Unrecognized character found in mode field".