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# Tests @'s date/time parsing
#
# Copyright (C) 2022  P. J. McDermott
#
# This file is part of @
#
# @ is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# @ is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with @.  If not, see <http://www.gnu.org/licenses/>.

set -eu

. "${TOP_SRCDIR}/tests/aux/tap-functions.sh"

DATE_FMTS='
	Wed
	1969-12-31
	1969/12/31
	12-31-1969
	12-31
	12/31/1969
	12/31
	31 Dec 1969
	31 Dec
	31-Dec-1969
	31-Dec
	31/Dec/1969
	31/Dec
	Wed 31 Dec 1969
	Wed 31 Dec
	Wed 31-Dec-1969
	Wed 31-Dec
	Wed 31/Dec/1969
	Wed 31/Dec
	Wed, 31 Dec 1969
	Wed, 31 Dec
	Wed, 31-Dec-1969
	Wed, 31-Dec
	Wed, 31/Dec/1969
	Wed, 31/Dec
	Dec 31, 1969
	Dec 31
	Dec-31-1969
	Dec-31
	Dec/31/1969
	Dec/31
	Wed Dec 31, 1969
	Wed Dec 31
	Wed Dec-31-1969
	Wed Dec-31
	Wed Dec/31/1969
	Wed Dec/31
	Wed, Dec 31, 1969
	Wed, Dec 31
	Wed, Dec-31-1969
	Wed, Dec-31
	Wed, Dec/31/1969
	Wed, Dec/31
	'
TIME_FMTS='
	7:00:01 PM
	19:00:01
	7:00 PM
	19:00
	70001 PM
	190001
	700 PM
	1900
	'
MISC_FMTS='
	1969-12-31T19:00:01
	1969-12-31T19:00
	19691231T190001
	19691231T1900
	19691231 70001 PM
	19691231 190001
	19691231 700 PM
	19691231 1900
	Wed Dec 31 19:00:01 1969
	'

plan_ 704

run_test()
{
	datetime="${1}"
	shift 1

	got="$(TZ=EST5EDT faketime -f '1969-12-31 18:00:00' \
		"${TOP_BUILDDIR}/@" -d "${datetime}" 2>&1)" || :
	if [ x"${got}" = x'1' ]; then
		ok_ -- "${datetime}"
	else
		not_ok_ -- "${datetime}"
		diag_ " Failed test '${datetime}'"
		diag_ "         got: '${got}'"
		diag_ "    expected: '1'"
	fi
}

IFS='
'

for time_fmt in ${TIME_FMTS}; do
	time_fmt="${time_fmt#	}"
	[ -z "${time_fmt}" ] && continue
	run_test "${time_fmt}"
	for date_fmt in ${DATE_FMTS}; do
		date_fmt="${date_fmt#	}"
		[ -z "${date_fmt}" ] && continue
		run_test "${date_fmt} ${time_fmt}"
		run_test "${time_fmt} ${date_fmt}"
	done
done
for misc_fmt in ${MISC_FMTS}; do
	misc_fmt="${misc_fmt#	}"
	[ -z "${misc_fmt}" ] && continue
	run_test "${misc_fmt}"
done