From: Jim Meyering <meyering@redhat.com>
Date: Tue, 25 Jan 2011 10:09:27 +0000 (+0100)
Subject: tests: avoid rare FP failure in new du test
X-Git-Tag: v8.10~54
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5c501f6fba5c1e2c4b45ce3f44b2da58d559ebe7;p=thirdparty%2Fcoreutils.git

tests: avoid rare FP failure in new du test

* tests/du/move-dir-while-traversing: Create an even larger tree
to avoid a false-positive failure due to du terminating before
the rename is triggered.
---

diff --git a/tests/du/move-dir-while-traversing b/tests/du/move-dir-while-traversing
index 96058311ae..c711e0262c 100755
--- a/tests/du/move-dir-while-traversing
+++ b/tests/du/move-dir-while-traversing
@@ -63,9 +63,11 @@ mkdir d2 || framework_failure
 long=d/e/f/g/h/i/j/k/l/m/n/o/p/q/r/s/t/u/v/w/x/y/z
 # One iteration of this loop creates a tree with which
 # du sometimes completes its traversal before the above rename.
-# Even 5 iterations was not enough in 2 of 7 "make -j20 check" runs on a
+# Five iterations was not enough in 2 of 7 "make -j20 check" runs on a
 # 6/12-core system.  However, using "10", I saw no failure in 20 trials.
-for i in $(seq 10); do
+# Using 10 iterations was not enough, either.
+# Using 30, I saw no failure in 200 trials.
+for i in $(seq 30); do
   mkdir -p $t/3/a/b/c/$i/$long || framework_failure
 done
 timeout 6 ./inotify-watch-for-dir-access.py $t/3/a/b > start-msg &