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[PATCH] xfstests: make 258 more forgiving of timestamp rounding

To: xfs-oss <xfs@xxxxxxxxxxx>
Subject: [PATCH] xfstests: make 258 more forgiving of timestamp rounding
From: Eric Sandeen <sandeen@xxxxxxxxxx>
Date: Mon, 03 Oct 2011 11:52:33 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1
Rather than testing for an exact timestamp, which could vary
due to rounding, just check that it is not positive,
which is the failure case we're looking for.

Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
---

diff --git a/258 b/258
index 6fadca0..ad73494 100644
--- a/258
+++ b/258
@@ -53,8 +53,12 @@ TESTFILE=$TEST_DIR/timestamp-test.txt
 echo "Creating file with timestamp of Jan 1, 1960"
 touch -t 196001010101 $TESTFILE
 # Should yield -315593940 (prior to epoch)
-echo -n "Stat of file yields: "
-stat -c %X $TESTFILE
+echo "Testing for negative seconds since epoch"
+ts=`stat -c %X $TESTFILE`
+if [ "$ts" -ge 0 ]; then
+       echo "Timestamp wrapped: $ts"
+       _fail "Timestamp wrapped"
+fi
 
 # unmount, remount, and check the timestamp
 echo "Remounting to flush cache"
@@ -62,7 +66,12 @@ umount $TEST_DEV
 mount $TEST_DEV $TEST_DIR
 
 # Should yield -315593940 (prior to epoch)
-echo -n "Stat of file yields: "
-stat -c %X $TESTFILE
+echo "Testing for negative seconds since epoch"
+ts=`stat -c %X $TESTFILE`
+if [ "$ts" -ge 0 ]; then
+       echo "Timestamp wrapped: $ts"
+       _fail "Timestamp wrapped"
+fi
 
 status=0 ; exit
+
diff --git a/258.out b/258.out
index 11b9168..87fae0f 100644
--- a/258.out
+++ b/258.out
@@ -1,5 +1,5 @@
 QA output created by 258
 Creating file with timestamp of Jan 1, 1960
-Stat of file yields: -315593940
+Testing for negative seconds since epoch
 Remounting to flush cache
-Stat of file yields: -315593940
+Testing for negative seconds since epoch

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