| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2011 Red Hat, Inc. All Rights Reserved. |
| # |
| # FS QA Test No. 258 |
| # |
| # Test timestamps prior to epoch |
| # On 64-bit, ext2/3/4 was sign-extending when read from disk |
| # See also commit 4d7bf11d649c72621ca31b8ea12b9c94af380e63 |
| # |
| . ./common/preamble |
| _begin_fstest auto quick bigtime |
| |
| # Import common functions. |
| |
| # real QA test starts here |
| _supported_fs generic |
| _require_test |
| _require_negative_timestamps |
| |
| TESTFILE=$TEST_DIR/timestamp-test.txt |
| |
| # Create a file with a timestamp prior to the epoch |
| echo "Creating file with timestamp of Jan 1, 1960" |
| touch -t 196001010101 $TESTFILE |
| # Should yield -315593940 (prior to epoch) |
| 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" |
| _test_cycle_mount |
| |
| # Should yield -315593940 (prior to epoch) |
| 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 |
