[PATCH] tests: avoid false positive upon kernel OOM-kill

[Jim Meyering]

FYI, without this, I was seeing a consistent failure
of the big-match test on an F17 system with plenty of memory,
but with most of it in use.

>From 8e4b6b3901084ce2d347f27073170acd26ac01ae Mon Sep 17 00:00:00 2001
From: Jim Meyering <address@hidden>
Date: Sat, 21 Jul 2012 12:54:07 +0200
Subject: [PATCH] tests: avoid false positive upon kernel OOM-kill

* tests/big-match (skip_diagnostic): Handle case of 139 (SIGKILL)
with no diagnostic.
---
 tests/big-match | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tests/big-match b/tests/big-match
index 51e0ffd..20928cf 100755
--- a/tests/big-match
+++ b/tests/big-match
@@ -19,7 +19,8 @@ for pattern in '^.*' '^.*x\(\)\1'; do
     0,*) ;;
     2,*': line too long for re_search')
        skip_diagnostic='regular expression library cannot handle the test' ;;
-    2,*': memory exhausted')
+    137,''|2,*': memory exhausted')
+       # The 137/no-diagnostic arises when the kernel OOM-kills grep.
        skip_diagnostic='not enough main memory to run the test' ;;
     *) fail=1 ;;
   esac
--
1.7.11.2.194.g7bdb748