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c6389a1340
Usage example:
date --debug -d 'now + 3 days'
Print parsing and debugging information to stderr when using date's
-d/--date option.
See: http://lists.gnu.org/archive/html/coreutils/2016-01/msg00076.html
* src/date.c (main): Add '--debug' option, enable debugging
in gnulib's parse-datetime.y module.
* tests/misc/date.pl: Repeat tests with '--debug' enable, ensure
no regression.
* tests/misc/date-debug.sh: Test output of '--debug' option.
* tests/local.mk: Add above test.
* NEWS: Mention new option.
* doc/coreutils.texi: Likewise.
104 lines
3.8 KiB
Bash
Executable File
104 lines
3.8 KiB
Bash
Executable File
#!/bin/sh
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# Test 'date --debug' option.
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# Copyright (C) 2016 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ date
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export LC_ALL=C
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## Ensure timezones are supported.
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## (NOTE: America/Belize timezone does not change on DST)
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test "$(TZ=America/Belize date +%z)" = '-0600' \
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|| skip_ 'Timezones database not found'
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##
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## Test 1: complex date string
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##
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in1='TZ="Asia/Tokyo" Sun, 90-12-11 + 3 days - 90 minutes'
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cat<<EOF>exp1
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date: parsed day part: Sun (day ordinal=0 number=0)
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date: parsed date part: (Y-M-D) 0090-12-11
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date: parsed relative part: +3 day(s)
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date: parsed relative part: +3 day(s) -90 minutes
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date: input timezone: +09:00 (set from TZ="Asia/Tokyo" in date string)
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date: warning: adjusting year value 90 to 1990
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date: warning: using midnight as starting time: 00:00:00
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date: warning: day (Sun) ignored when explicit dates are given
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date: starting date/time: '(Y-M-D) 1990-12-11 00:00:00 TZ=+09:00'
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date: warning: when adding relative days, it is recommended to specify 12:00pm
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date: after date adjustment (+0 years, +0 months, +3 days),
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date: new date/time = '(Y-M-D) 1990-12-14 00:00:00 TZ=+09:00'
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date: '(Y-M-D) 1990-12-14 00:00:00 TZ=+09:00' = 661100400 epoch-seconds
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date: after time adjustment (+0 hours, -90 minutes, +0 seconds, +0 ns),
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date: new time = 661095000 epoch-seconds
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date: output timezone: -06:00 (set from TZ="America/Belize" environment value)
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date: final: 661095000.000000000 (epoch-seconds)
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date: final: (Y-M-D) 1990-12-13 13:30:00 (UTC0)
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date: final: (Y-M-D) 1990-12-13 07:30:00 (output timezone TZ=-06:00)
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Thu Dec 13 07:30:00 CST 1990
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EOF
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TZ=America/Belize date --debug -d "$in1" >out1 2>&1 || fail=1
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compare exp1 out1 || fail=1
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##
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## Test 2: Invalid date from Coreutils' FAQ
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## (with explicit timezone added)
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in2='TZ="America/Edmonton" 2006-04-02 02:30:00'
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cat<<EOF>exp2
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date: parsed date part: (Y-M-D) 2006-04-02
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date: parsed time part: 02:30:00
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date: input timezone: -07:00 (set from TZ="America/Edmonton" in date string)
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date: using specified time as starting value: '02:30:00'
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date: error: invalid date/time value:
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date: user provided time: '(Y-M-D) 2006-04-02 02:30:00 TZ=-07:00'
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date: normalized time: '(Y-M-D) 2006-04-02 03:30:00 TZ=-07:00'
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date: --
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date: possible reasons:
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date: non-existing due to daylight-saving time;
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date: numeric values overflow;
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date: missing timezone
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date: invalid date 'TZ="America/Edmonton" 2006-04-02 02:30:00'
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EOF
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# date should return 1 (error) for invalid date
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returns_ 1 date --debug -d "$in2" >out2 2>&1 || fail=1
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compare exp2 out2 || fail=1
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##
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## Test 3: timespec (input always UTC, output is TZ-dependent)
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##
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in3='@1'
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cat<<EOF>exp3
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date: parsed number of seconds part: number of seconds: 1
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date: input timezone: +00:00 (set from '@timespec' - always UTC0)
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date: output timezone: -05:00 (set from TZ="America/Lima" environment value)
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date: final: 1.000000000 (epoch-seconds)
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date: final: (Y-M-D) 1970-01-01 00:00:01 (UTC0)
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date: final: (Y-M-D) 1969-12-31 19:00:01 (output timezone TZ=-05:00)
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Wed Dec 31 19:00:01 PET 1969
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EOF
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TZ=America/Lima date --debug -d "$in3" >out3 2>&1 || fail=1
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compare exp3 out3 || fail=1
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Exit $fail
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