1#!/bin/bash 2 3[ -f testing.sh ] && . testing.sh 4 5#testing "name" "command" "result" "infile" "stdin" 6 7# Use a consistent TZ for these tests, but not GMT/UTC because that 8# makes mistakes harder to spot. 9tz=Europe/Berlin 10this_year=$(TZ=$tz date +%Y) 11 12# Use a consistent locale too. 13export LANG=C 14 15# Unix date parsing. 16testing "-d @0" "TZ=$tz date -d @0" "Thu Jan 1 01:00:00 CET 1970\n" "" "" 17testing "-d @0x123 invalid" "TZ=$tz date -d @0x123 2>/dev/null || echo expected error" "expected error\n" "" "" 18 19# POSIX format with 2- and 4-digit years. 20# All toyonly because coreutils rejects POSIX format dates supplied to -d. 21# These expected values are from running on the host without -d (not as root!). 22toyonly testing "-d MMDDhhmm" \ 23 "TZ=$tz date -d 06021234 +'%F %T'" "$this_year-06-02 12:34:00\n" "" "" 24toyonly testing "-d MMDDhhmmYY.SS" \ 25 "TZ=$tz date -d 1110143115.30" "Tue Nov 10 14:31:30 CET 2015\n" "" "" 26# busybox thinks this is the year 603 (ISO time 0602-12-34 19:82 with out of range fields normalized). 27toyonly testing "-d MMDDhhmmCCYY" \ 28 "TZ=$tz date -d 060212341982" "Wed Jun 2 12:34:00 CEST 1982\n" "" "" 29toyonly testing "-d MMDDhhmmCCYY.SS" \ 30 "TZ=$tz date -d 111014312015.30" "Tue Nov 10 14:31:30 CET 2015\n" "" "" 31 32# ISO date format. 33testing "-d 1980-01-02" "TZ=$tz date -d 1980-01-02" "Wed Jan 2 00:00:00 CET 1980\n" "" "" 34testing "-d 1980-01-02 12:34" "TZ=$tz date -d '1980-01-02 12:34'" "Wed Jan 2 12:34:00 CET 1980\n" "" "" 35testing "-d 1980-01-02 12:34:56" "TZ=$tz date -d '1980-01-02 12:34:56'" "Wed Jan 2 12:34:56 CET 1980\n" "" "" 36 37# Reject Unix times without a leading @. 38testing "Unix time missing @" "TZ=$tz date 1438053157 2>/dev/null || echo no" \ 39 "no\n" "" "" 40 41# Test just hour and minute (accepted by coreutils and busybox, presumably for setting the time). 42testing "-d 12:34" 'TZ=UTC date -d 12:34 | grep -q " 12:34:00 UTC $this_year" && echo OK' "OK\n" "" "" 43testing "-d 12:34:56" 'TZ=UTC date -d 12:34:56 | grep -q " 12:34:56 UTC $this_year" && echo OK' "OK\n" "" "" 44 45# Test the %N extension to srtftime(3) format strings. 46testing "%N" "touch -d 2012-01-23T12:34:56.123456789 f && date -r f +%Y%m%d-%H%M%S.%N" "20120123-123456.123456789\n" "" "" 47testing "%1N" "touch -d 2012-01-23T12:34:56.123456789 f && date -r f +%Y%m%d-%H%M%S.%1N" "20120123-123456.1\n" "" "" 48testing "%2N" "touch -d 2012-01-23T12:34:56.123456789 f && date -r f +%Y%m%d-%H%M%S.%2N" "20120123-123456.12\n" "" "" 49testing "%8N" "touch -d 2012-01-23T12:34:56.123456789 f && date -r f +%Y%m%d-%H%M%S.%8N" "20120123-123456.12345678\n" "" "" 50testing "%9N" "touch -d 2012-01-23T12:34:56.123456789 f && date -r f +%Y%m%d-%H%M%S.%9N" "20120123-123456.123456789\n" "" "" 51testing "%%N" "touch -d 2012-01-23T12:34:56.123456789 f && date -r f +%Y%m%d-%H%M%S.%%N" "20120123-123456.%N\n" "" "" 52testing "trailing %" "touch -d 2012-01-23T12:34:56.123456789 f && date -r f +%Y%m%d-%H%M%S.%" "20120123-123456.%\n" "" "" 53testing "just %" "touch -d 2012-01-23T12:34:56.123456789 f && date -r f +%" "%\n" "" "" 54rm -f f 55 56# Test --iso... 57testing "-I" "touch -d 2012-01-23T12:34:56.123456789Z f && date -r f -u -I" \ 58 "2012-01-23\n" "" "" 59testing "-Id" "touch -d 2012-01-23T12:34:56.123456789Z f && date -r f -u -Id" \ 60 "2012-01-23\n" "" "" 61testing "-Ih" "touch -d 2012-01-23T12:34:56.123456789Z f && date -r f -u -Ih" \ 62 "2012-01-23T12+00:00\n" "" "" 63testing "-Im" "touch -d 2012-01-23T12:34:56.123456789Z f && date -r f -u -Im" \ 64 "2012-01-23T12:34+00:00\n" "" "" 65testing "-Is" "touch -d 2012-01-23T12:34:56.123456789Z f && date -r f -u -Is" \ 66 "2012-01-23T12:34:56+00:00\n" "" "" 67testing "-In" "touch -d 2012-01-23T12:34:56.123456789Z f && date -r f -u -In" \ 68 "2012-01-23T12:34:56,123456789+00:00\n" "" "" 69rm -f f 70 71# Test embedded TZ to take a date in one time zone and display it in another. 72testing "TZ=" "TZ='America/Los_Angeles' date -d 'TZ=\"Europe/Berlin\" 2018-01-04 08:00'" "Wed Jan 3 23:00:00 PST 2018\n" "" "" 73testing "TZ=" "TZ='America/Los_Angeles' date -d 'TZ=\"Europe/Berlin\" 2018-10-04 08:00'" "Wed Oct 3 23:00:00 PDT 2018\n" "" "" 74testing "TZ= @" "TZ='America/Los_Angeles' date -d 'TZ=\"GMT\" @1533427200'" "Sat Aug 4 17:00:00 PDT 2018\n" "" "" 75 76# Test all supported UTC offset variants. 77testing "tz Z" \ 78 "date -u -d 2020-08-01T12:34:56Z" "Sat Aug 1 12:34:56 UTC 2020\n" "" "" 79testing "tz -0800" \ 80 "date -u -d 2020-08-01T12:34:56-0800" "Sat Aug 1 20:34:56 UTC 2020\n" "" "" 81testing "tz +0800" \ 82 "date -u -d 2020-08-01T12:34:56+0800" "Sat Aug 1 04:34:56 UTC 2020\n" "" "" 83testing "tz +08:00" \ 84 "date -u -d 2020-08-01T12:34:56+08:00" "Sat Aug 1 04:34:56 UTC 2020\n" "" "" 85testing "tz +8" \ 86 "date -u -d 2020-08-01T12:34:56+8" "Sat Aug 1 04:34:56 UTC 2020\n" "" "" 87testing "tz +08" \ 88 "date -u -d 2020-08-01T12:34:56+08" "Sat Aug 1 04:34:56 UTC 2020\n" "" "" 89testing "tz +008" \ 90 "date -u -d 2020-08-01T12:34:56+008" "Sat Aug 1 12:26:56 UTC 2020\n" "" "" 91 92# Can we parse date's own output format? 93testing "round trip" 'TZ=$tz date -d "$(TZ=$tz date -d @1598476818)"' \ 94 "Wed Aug 26 23:20:18 CEST 2020\n" "" "" 95