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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/non262/Intl/DateTimeFormat/tz-environment-variable.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/non262/Intl/DateTimeFormat/tz-environment-variable.js')
-rw-r--r-- | js/src/tests/non262/Intl/DateTimeFormat/tz-environment-variable.js | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/js/src/tests/non262/Intl/DateTimeFormat/tz-environment-variable.js b/js/src/tests/non262/Intl/DateTimeFormat/tz-environment-variable.js new file mode 100644 index 0000000000..6128abb9d1 --- /dev/null +++ b/js/src/tests/non262/Intl/DateTimeFormat/tz-environment-variable.js @@ -0,0 +1,67 @@ +// |reftest| skip-if(!this.hasOwnProperty("Intl")||(xulRuntime.OS=="WINNT"&&!xulRuntime.shell)) -- Windows browser in automation doesn't pick up new time zones correctly + +// From bug 1330149: +// +// Windows only supports a very limited set of IANA time zone names for the TZ +// environment variable. +// +// TZ format supported by Windows: "TZ=tzn[+|-]hh[:mm[:ss]][dzn]". +// +// Complete list of all IANA time zone ids matching that format. +// +// From tzdata's "northamerica" file: +// EST5EDT +// CST6CDT +// MST7MDT +// PST8PDT +// +// From tzdata's "backward" file: +// GMT+0 +// GMT-0 +// GMT0 +// +// Also supported on Windows even though they don't match the format listed +// above. +// +// From tzdata's "backward" file: +// UCT +// UTC +// +// From tzdata's "etcetera" file: +// GMT + +function inTimeZone(tzname, fn) { + setTimeZone(tzname); + try { + fn(); + } finally { + setTimeZone("PST8PDT"); + } +} + +const timeZones = [ + { id: "EST5EDT" }, + { id: "CST6CDT" }, + { id: "MST7MDT" }, + { id: "PST8PDT" }, + // ICU on non-Windows platforms doesn't accept these three time zone + // identifiers, cf. isValidOlsonID in $ICU/source/common/putil.cpp. We + // could add support for them, but it seems unlikely they're used in + // practice, so we just skip over them. + // { id: "GMT+0", normalized: "UTC" }, + // { id: "GMT-0", normalized: "UTC" }, + // { id: "GMT0", normalized: "UTC" }, + { id: "UCT", normalized: "UTC" }, + { id: "UTC", normalized: "UTC" }, + { id: "GMT", normalized: "UTC" }, +]; + +for (let {id, normalized = id} of timeZones) { + inTimeZone(id, () => { + let opts = new Intl.DateTimeFormat().resolvedOptions(); + assertEq(opts.timeZone, normalized); + }); +} + +if (typeof reportCompare === "function") + reportCompare(0, 0, "ok"); |