dangi-month-codes.js (1930B)
1 // |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally 2 // Copyright (C) 2025 Igalia, S.L. All rights reserved. 3 // This code is governed by the BSD license found in the LICENSE file. 4 5 /*--- 6 esid: sec-temporal.plainmonthday.from 7 description: PlainMonthDay can be created for all regular month codes in Dangi calendar 8 features: [Temporal, Intl.Era-monthcode] 9 ---*/ 10 11 // Test that all regular month codes M01-M12 are valid for the Dangi calendar 12 // Dangi is a lunisolar calendar used in Korea, structurally identical to Chinese 13 14 const calendar = "dangi"; 15 const monthCodes = [ 16 "M01", "M02", "M03", "M04", "M05", "M06", 17 "M07", "M08", "M09", "M10", "M11", "M12" 18 ]; 19 20 for (const monthCode of monthCodes) { 21 // Test creation with monthCode 22 const pmd = Temporal.PlainMonthDay.from({ calendar, monthCode, day: 1 }); 23 assert.sameValue(pmd.monthCode, monthCode, `monthCode ${monthCode} should be preserved`); 24 assert.sameValue(pmd.day, 1, "day should be 1"); 25 26 // Test with a larger day value (months can have 29 or 30 days) 27 const pmd30 = Temporal.PlainMonthDay.from({ calendar, monthCode, day: 30 }); 28 assert.sameValue(pmd30.monthCode, monthCode, `monthCode ${monthCode} with day 30 should be valid`); 29 30 // Test overflow: constrain to maximum valid day in the month 31 const constrained = Temporal.PlainMonthDay.from( 32 { calendar, monthCode, day: 31 }, 33 { overflow: "constrain" } 34 ); 35 assert.sameValue(constrained.monthCode, monthCode, `monthCode ${monthCode} should be preserved with constrain`); 36 assert.sameValue(constrained.day, 30, `day 31 should be constrained to 30 for ${monthCode}`); 37 38 // Test overflow: reject should throw for invalid day 39 assert.throws(RangeError, () => { 40 Temporal.PlainMonthDay.from({ calendar, monthCode, day: 31 }, { overflow: "reject" }); 41 }, `monthCode ${monthCode} with day 31 should throw with reject overflow`); 42 } 43 44 reportCompare(0, 0);