[Toybox] [PATCH] date.test: add some tests.

[enh]

see: here's a much bigger can of worms for your weekend :-)
On Fri, Oct 5, 2018 at 3:18 PM enh <enh at google.com> wrote:
>
> These are reasonable examples I found in AOSP.
>
> I also came across "today" (which is the same as the more obvious "now"),
> "yesterday", "7 days ago" and "1 month ago". I'm not sure how far down
> that rabbit hole we want to go. But these ones at least seem reasonable.
> ---
>  tests/date.test | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/tests/date.test b/tests/date.test
> index be80d45..431b35a 100644
> --- a/tests/date.test
> +++ b/tests/date.test
> @@ -13,6 +13,7 @@ testing "-d @0x123" "TZ=UTC date -d @0x123 2>&1" "date: bad date '@0x123'\n" ""
>  testing "-d 06021234" "TZ=UTC date -d 06021234 2>&1" "Sun Jun  2 12:34:00 UTC 1900\n" "" ""
>  testing "-d 060212341982" "TZ=UTC date -d 060212341982 2>&1" "Sun Jun  2 12:34:00 UTC 1982\n" "" ""
>  testing "-d 123" "TZ=UTC date -d 123 2>&1" "date: bad date '123'\n" "" ""
> +testing "-d 2018-10-04" "TZ=UTC date -d 2018-10-04 2>&1" "Thu Oct  4 00:00:00 UTC 2018\n" "" ""
>
>  # Test parsing 2- and 4-digit years.
>  testing "-d 1110143115.30" "TZ=UTC date -d 1110143115.30 2>&1" "Sun Nov 10 14:31:30 UTC 1915\n" "" ""
> @@ -32,3 +33,7 @@ testing "%%N" "touch -d 2012-01-23T12:34:56.123456789 f && date -r f +%Y%m%d-%H%
>  testing "trailing %" "touch -d 2012-01-23T12:34:56.123456789 f && date -r f +%Y%m%d-%H%M%S.%" "20120123-123456.%\n" "" ""
>  testing "just %" "touch -d 2012-01-23T12:34:56.123456789 f && date -r f +%" "%\n" "" ""
>  rm -f f
> +
> +# Test embedded TZ to take a date in one time zone and display it in another.
> +testing "TZ=" "TZ='America/Los_Angeles' date -d 'TZ=\"Europe/London\" 2018-10-04 08:00'" "Thu Oct  4 00:00:00 PDT 2018\n" "" ""
> +testing "TZ= @" "TZ='America/Los_Angeles' date -d 'TZ=\"GMT\" @1533427200'" "Sat Aug  4 17:00:00 PDT 2018\n" "" ""
> --
> 2.19.0.605.g01d371f741-goog