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TypeScript
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267/* * Portions adapted from Test262 at revision 250f204f23a9249ff204be2baec29600faae7b75: * - test/built-ins/Date/prototype/setTime/arg-to-number.js * - test/built-ins/Date/prototype/setTime/arg-to-number-err.js * - test/built-ins/Date/prototype/setTime/new-value-time-clip.js * - test/built-ins/Date/prototype/setMilliseconds/this-value-valid-date.js * - test/built-ins/Date/prototype/setUTCMilliseconds/this-value-valid-date.js * - test/built-ins/Date/prototype/setSeconds/this-value-valid-date-sec.js * - test/built-ins/Date/prototype/setSeconds/this-value-valid-date-ms.js * - test/built-ins/Date/prototype/setUTCSeconds/this-value-valid-date-sec.js * - test/built-ins/Date/prototype/setUTCSeconds/this-value-valid-date-ms.js * - test/built-ins/Date/prototype/setMinutes/this-value-valid-date.js * - test/built-ins/Date/prototype/setUTCMinutes/this-value-valid-date.js * - test/built-ins/Date/prototype/setHours/this-value-valid-date-hour.js * - test/built-ins/Date/prototype/setHours/this-value-valid-date-min.js * - test/built-ins/Date/prototype/setHours/this-value-valid-date-sec.js * - test/built-ins/Date/prototype/setHours/this-value-valid-date-ms.js * - test/built-ins/Date/prototype/setUTCHours/this-value-valid-date-hour.js * - test/built-ins/Date/prototype/setUTCHours/this-value-valid-date-min.js * - test/built-ins/Date/prototype/setUTCHours/this-value-valid-date-sec.js * - test/built-ins/Date/prototype/setUTCHours/this-value-valid-date-ms.js * - test/built-ins/Date/prototype/setDate/this-value-valid-date.js * - test/built-ins/Date/prototype/setUTCDate/date-value-read-before-tonumber-when-date-is-valid.js * - test/built-ins/Date/prototype/setMonth/this-value-valid-date-month.js * - test/built-ins/Date/prototype/setMonth/this-value-valid-date-date.js * - test/built-ins/Date/prototype/setUTCMonth/this-value-valid-date-month.js * - test/built-ins/Date/prototype/setUTCMonth/this-value-valid-date-date.js * - test/built-ins/Date/prototype/setFullYear/this-value-valid-date-year.js * - test/built-ins/Date/prototype/setFullYear/this-value-valid-date-month.js * - test/built-ins/Date/prototype/setFullYear/this-value-valid-date-date.js * - test/built-ins/Date/prototype/setFullYear/this-value-invalid-date.js * - test/built-ins/Date/prototype/setFullYear/arg-year-to-number-err.js * - test/built-ins/Date/prototype/setFullYear/arg-month-to-number-err.js * - test/built-ins/Date/prototype/setFullYear/arg-date-to-number-err.js * - test/built-ins/Date/prototype/setUTCFullYear/date-value-read-before-tonumber-when-date-is-invalid.js * - test/built-ins/Date/prototype/setMonth/arg-coercion-order.js * - test/language/expressions/addition/S11.6.1_A2.2_T2.js * * Copyright (C) 2016 the V8 project authors. All rights reserved. * Copyright (C) 2021 Kevin Gibbons. All rights reserved. * Copyright (C) 2024 André Bargull. All rights reserved. * Copyright 2009 the Sputnik authors. All rights reserved. * Test262 portions are governed by the BSD license in LICENSE.test262. */import { describe, expect, test } from "bun:test"import { Effect } from "effect"import { CodeMode } from "../src/index.js"
const value = async (code: string) => { const result = await Effect.runPromise(CodeMode.execute({ code, tools: {} })) if (!result.ok) throw new Error(`expected success, got ${result.error.kind}: ${result.error.message}`) return result.value}
describe("Date setter Test262 parity", () => { test("UTC setters mutate every supported component and return the new time", async () => { expect( await value(` const create = () => new Date(Date.UTC(2000, 0, 2, 3, 4, 5, 6)) const result = [] let date = create() result.push([date.setTime(1234) === date.getTime(), date.getTime()]) date = create() result.push([date.setUTCMilliseconds(10) === date.getTime(), date.getUTCMilliseconds()]) date = create() result.push([date.setUTCSeconds(10, 11) === date.getTime(), date.getUTCSeconds(), date.getUTCMilliseconds()]) date = create() result.push([date.setUTCMinutes(10, 11, 12) === date.getTime(), date.getUTCMinutes(), date.getUTCSeconds(), date.getUTCMilliseconds()]) date = create() result.push([date.setUTCHours(10, 11, 12, 13) === date.getTime(), date.getUTCHours(), date.getUTCMinutes(), date.getUTCSeconds(), date.getUTCMilliseconds()]) date = create() result.push([date.setUTCDate(10) === date.getTime(), date.getUTCDate()]) date = create() result.push([date.setUTCMonth(6, 10) === date.getTime(), date.getUTCMonth(), date.getUTCDate()]) date = create() result.push([date.setUTCFullYear(2020, 6, 10) === date.getTime(), date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate()]) return result `), ).toEqual([ [true, 1234], [true, 10], [true, 10, 11], [true, 10, 11, 12], [true, 10, 11, 12, 13], [true, 10], [true, 6, 10], [true, 2020, 6, 10], ]) })
test("local setters mutate every supported component", async () => { expect( await value(` const create = () => new Date(2000, 0, 2, 3, 4, 5, 6) const result = [] let date = create() date.setMilliseconds(10) result.push(date.getMilliseconds()) date = create() date.setSeconds(10, 11) result.push([date.getSeconds(), date.getMilliseconds()]) date = create() date.setMinutes(10, 11, 12) result.push([date.getMinutes(), date.getSeconds(), date.getMilliseconds()]) date = create() date.setHours(10, 11, 12, 13) result.push([date.getHours(), date.getMinutes(), date.getSeconds(), date.getMilliseconds()]) date = create() date.setDate(10) result.push(date.getDate()) date = create() date.setMonth(6, 10) result.push([date.getMonth(), date.getDate()]) date = create() date.setFullYear(2020, 6, 10) result.push([date.getFullYear(), date.getMonth(), date.getDate()]) return result `), ).toEqual([10, [10, 11], [10, 11, 12], [10, 11, 12, 13], 10, [6, 10], [2020, 6, 10]]) })
test("setter arguments use numeric coercion in source order", async () => { expect( await value(` const calls = [] const date = new Date(0) const returned = date.setUTCSeconds( { valueOf: () => { calls.push("seconds"); return "2" } }, { valueOf: () => { calls.push("milliseconds"); return true } }, ) const fallback = new Date(0) fallback.setTime({ valueOf: () => ({}), toString: () => "3" }) return [returned === date.getTime(), date.getUTCSeconds(), date.getUTCMilliseconds(), fallback.getTime(), calls] `), ).toEqual([true, 2, 1, 3, ["seconds", "milliseconds"]]) })
test("setters snapshot the Date before coercing arguments", async () => { expect( await value(` const date = new Date(Date.UTC(2000, 5, 15, 1, 2, 3, 4)) date.setUTCFullYear({ valueOf: () => { date.setTime(Date.UTC(2020, 11, 20)) return 2001 }, })
const invalid = new Date(NaN) invalid.setUTCFullYear({ valueOf: () => { invalid.setTime(0); return 1 } })
const effects = [] const staysInvalid = new Date(NaN) const result = staysInvalid.setUTCMonth( { valueOf: () => { effects.push("month"); return 0 } }, { valueOf: () => { effects.push("date"); return 1 } }, ) return [ date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate(), invalid.getUTCFullYear(), invalid.getUTCMonth(), invalid.getUTCDate(), Number.isNaN(result), Number.isNaN(staysInvalid.getTime()), effects, ] `), ).toEqual([2001, 5, 15, 1, 0, 1, true, true, ["month", "date"]]) })
test("setFullYear recovers an invalid local Date", async () => { expect( await value(` const year = new Date(NaN) const yearResult = year.setFullYear(2016) const month = new Date(NaN) const monthResult = month.setFullYear(2016, 6) const day = new Date(NaN) const dayResult = day.setFullYear(2016, 6, 7) return [ yearResult === year.getTime(), year.getFullYear(), year.getMonth(), year.getDate(), monthResult === month.getTime(), month.getFullYear(), month.getMonth(), month.getDate(), dayResult === day.getTime(), day.getFullYear(), day.getMonth(), day.getDate(), ] `), ).toEqual([true, 2016, 0, 1, true, 2016, 6, 1, true, 2016, 6, 7]) })
test("abrupt argument coercion stops later coercion and preserves the Date", async () => { expect( await value(` const calls = [] const failure = { valueOf: () => { throw new Error("stop") } } const counter = { valueOf: () => { calls.push("counter"); return 1 } } const results = []
const time = new Date(0) try { time.setTime(failure) } catch (error) { results.push(error.message) } results.push(time.getTime())
const year = new Date(0) try { year.setFullYear(failure, counter, counter) } catch (error) { results.push(error.message) } results.push(year.getTime())
const month = new Date(0) try { month.setFullYear(0, failure, counter) } catch (error) { results.push(error.message) } results.push(month.getTime())
const day = new Date(0) try { day.setFullYear(0, 0, failure) } catch (error) { results.push(error.message) } results.push(day.getTime(), calls) return results `), ).toEqual(["stop", 0, "stop", 0, "stop", 0, "stop", 0, []]) })
test("omitted arguments, explicit undefined, extra arguments, and TimeClip match native behavior", async () => { expect( await value(` const calls = [] const omittedOptional = new Date(0) const explicitUndefined = new Date(0) const noArgument = new Date(0) const extra = new Date(0) const clipped = new Date(0) const badPrimitive = new Date(0) let conversionError = "" try { badPrimitive.setTime({ valueOf: () => ({}), toString: () => ({}) }) } catch (error) { conversionError = error.name } return [ omittedOptional.setUTCSeconds(1), Number.isNaN(explicitUndefined.setUTCSeconds(1, undefined)), Number.isNaN(noArgument.setTime()), extra.setTime(1, { valueOf: () => { calls.push("extra"); return 2 } }), calls, Number.isNaN(clipped.setTime(8.64e15 + 1)), Number.isNaN(clipped.getTime()), conversionError, ] `), ).toEqual([1000, true, true, 1, [], true, true, "TypeError"]) })})
describe("Date default primitive Test262 parity", () => { test("addition and loose equality use the Date string primitive", async () => { expect( await value(` const date = new Date(0) const text = String(date) return [ date + date === text + text, date + 0 === text + "0", date + true === text + "true", date == text, text == date, date == Number(date), Number(date) == date, date != Number(date), date == date, date == new Date(0), date == null, ] `), ).toEqual([true, true, true, true, true, false, false, true, true, false, false]) })})