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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/formatRange-gregorian-proleptic.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/formatRange-gregorian-proleptic.js')
-rw-r--r-- | js/src/tests/non262/Intl/DateTimeFormat/formatRange-gregorian-proleptic.js | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/non262/Intl/DateTimeFormat/formatRange-gregorian-proleptic.js b/js/src/tests/non262/Intl/DateTimeFormat/formatRange-gregorian-proleptic.js new file mode 100644 index 0000000000..9356577b47 --- /dev/null +++ b/js/src/tests/non262/Intl/DateTimeFormat/formatRange-gregorian-proleptic.js @@ -0,0 +1,28 @@ +// |reftest| skip-if(!this.hasOwnProperty("Intl")) + +// Ensure formatRange() uses a proleptic Gregorian calendar. +// ICU bug: https://unicode-org.atlassian.net/browse/ICU-20705 + +let dtf = new Intl.DateTimeFormat("en", {timeZone: "UTC"}); + +// The Gregorian calendar was first introduced in 15 October 1582. +const firstGregorian = new Date("1582-10-15"); +assertEq(dtf.formatRange(firstGregorian, firstGregorian), dtf.format(firstGregorian)); + +// To deal with the ten days' difference between the Julian and the Gregorian calendar, some days +// were skipped, so that 4 October 1582 was followed by 15 October 1582. +const lastJulian = new Date("1582-10-04"); +assertEq(dtf.formatRange(lastJulian, lastJulian), dtf.format(lastJulian)); + +function rangePart(source, parts) { + return parts.filter(x => x.source === source).map(x => x.value).join(""); +} + +// Test with non-empty range. +assertEq(rangePart("startRange", dtf.formatRangeToParts(lastJulian, firstGregorian)), + dtf.format(lastJulian)); +assertEq(rangePart("endRange", dtf.formatRangeToParts(lastJulian, firstGregorian)), + dtf.format(firstGregorian)); + +if (typeof reportCompare === "function") + reportCompare(0, 0); |