diff --git a/Libraries/LibJS/Tests/builtins/Intl/DateTimeFormat/DateTimeFormat.prototype.format.js b/Libraries/LibJS/Tests/builtins/Intl/DateTimeFormat/DateTimeFormat.prototype.format.js index f056f4d69a..c48fc9f254 100644 --- a/Libraries/LibJS/Tests/builtins/Intl/DateTimeFormat/DateTimeFormat.prototype.format.js +++ b/Libraries/LibJS/Tests/builtins/Intl/DateTimeFormat/DateTimeFormat.prototype.format.js @@ -103,8 +103,8 @@ describe("dateStyle", () => { { date: "short", en0: "12/7/21", en1: "1/23/89", ar0: "٧‏/١٢‏/٢٠٢١", ar1: "٢٣‏/١‏/١٩٨٩" }, ]; - test("all", () => { - data.forEach(d => { + data.forEach(d => { + test(`date=${d.date}`, () => { const en = new Intl.DateTimeFormat("en", { dateStyle: d.date, timeZone: "UTC" }); expect(en.format(d0)).toBe(d.en0); expect(en.format(d1)).toBe(d.en1); @@ -128,8 +128,8 @@ describe("timeStyle", () => { { time: "short", en0: "5:40 PM", en1: "7:08 AM", ar0: "٥:٤٠ م", ar1: "٧:٠٨ ص" }, ]; - test("all", () => { - data.forEach(d => { + data.forEach(d => { + test(`time=${d.time}`, () => { const en = new Intl.DateTimeFormat("en", { timeStyle: d.time, timeZone: "UTC" }); expect(en.format(d0)).toBe(d.en0); expect(en.format(d1)).toBe(d.en1); @@ -165,8 +165,8 @@ describe("dateStyle + timeStyle", () => { { date: "short", time: "short", en: "12/7/21, 5:40 PM", ar: "٧‏/١٢‏/٢٠٢١، ٥:٤٠ م" }, ]; - test("all", () => { - data.forEach(d => { + data.forEach(d => { + test(`dateStyle=${d.date}, timeStyle=${d.time}`, () => { const en = new Intl.DateTimeFormat("en", { dateStyle: d.date, timeStyle: d.time, @@ -192,8 +192,8 @@ describe("weekday", () => { { weekday: "long", en0: "Tuesday", en1: "Monday", ar0: "الثلاثاء", ar1: "الاثنين" }, ]; - test("all", () => { - data.forEach(d => { + data.forEach(d => { + test(`weekday=${d.weekday}`, () => { const en = new Intl.DateTimeFormat("en", { weekday: d.weekday, timeZone: "UTC" }); expect(en.format(d0)).toBe(d.en0); expect(en.format(d1)).toBe(d.en1); @@ -216,8 +216,8 @@ describe("era", () => { { era: "long", en0: "12/7/2021 Anno Domini", en1: "1/23/1989 Anno Domini", ar0: "٠٧-١٢-٢٠٢١ ميلادي", ar1: "٢٣-٠١-١٩٨٩ ميلادي" }, ]; - test("all", () => { - data.forEach(d => { + data.forEach(d => { + test(`era=${d.era}`, () => { const en = new Intl.DateTimeFormat("en", { era: d.era, timeZone: "UTC" }); expect(en.format(d0)).toBe(d.en0); expect(en.format(d1)).toBe(d.en1); @@ -247,8 +247,8 @@ describe("year", () => { { year: "numeric", en0: "2021", en1: "1989", ar0: "٢٠٢١", ar1: "١٩٨٩" }, ]; - test("all", () => { - data.forEach(d => { + data.forEach(d => { + test(`year=${d.year}`, () => { const en = new Intl.DateTimeFormat("en", { year: d.year, timeZone: "UTC" }); expect(en.format(d0)).toBe(d.en0); expect(en.format(d1)).toBe(d.en1); @@ -270,8 +270,8 @@ describe("month", () => { { month: "long", en0: "December", en1: "January", ar0: "ديسمبر", ar1: "يناير" }, ]; - test("all", () => { - data.forEach(d => { + data.forEach(d => { + test(`month=${d.month}`, () => { const en = new Intl.DateTimeFormat("en", { month: d.month, timeZone: "UTC" }); expect(en.format(d0)).toBe(d.en0); expect(en.format(d1)).toBe(d.en1); @@ -290,8 +290,8 @@ describe("day", () => { { day: "numeric", en0: "7", en1: "23", ar0: "٧", ar1: "٢٣" }, ]; - test("all", () => { - data.forEach(d => { + data.forEach(d => { + test(`day=${d.day}`, () => { const en = new Intl.DateTimeFormat("en", { day: d.day, timeZone: "UTC" }); expect(en.format(d0)).toBe(d.en0); expect(en.format(d1)).toBe(d.en1); @@ -311,8 +311,8 @@ describe("dayPeriod", () => { { dayPeriod: "long", en0: "5 in the afternoon", en1: "7 in the morning", ar0: "٥ بعد الظهر", ar1: "٧ صباحًا", as0: "PM ৫", as1: "AM ৭"}, ]; - test("all", () => { - data.forEach(d => { + data.forEach(d => { + test(`dayPeriod=${d.dayPeriod}`, () => { const en = new Intl.DateTimeFormat("en", { dayPeriod: d.dayPeriod, hour: "numeric", @@ -354,23 +354,25 @@ describe("dayPeriod", () => { expect(en.format(date1)).toBe("5 at night"); expect(en.format(date2)).toBe("11 at night"); }); +}); - test("noon", () => { - const date0 = Date.UTC(2017, 11, 12, 12, 0, 0, 0); - const date1 = Date.UTC(2017, 11, 12, 12, 1, 0, 0); - const date2 = Date.UTC(2017, 11, 12, 12, 0, 1, 0); - const date3 = Date.UTC(2017, 11, 12, 12, 0, 0, 500); +describe("dayPeriod at noon", () => { + const date0 = Date.UTC(2017, 11, 12, 12, 0, 0, 0); + const date1 = Date.UTC(2017, 11, 12, 12, 1, 0, 0); + const date2 = Date.UTC(2017, 11, 12, 12, 0, 1, 0); + const date3 = Date.UTC(2017, 11, 12, 12, 0, 0, 500); - // prettier-ignore - const data = [ - { minute: undefined, second: undefined, fractionalSecondDigits: undefined, en0: "12 noon", en1: "12 noon", en2: "12 noon", en3: "12 noon", ar0: "١٢ ظهرًا", ar1: "١٢ ظهرًا", ar2: "١٢ ظهرًا", ar3: "١٢ ظهرًا" }, - { minute: "numeric", second: undefined, fractionalSecondDigits: undefined, en0: "12:00 noon", en1: "12:01 in the afternoon", en2: "12:00 noon", en3: "12:00 noon", ar0: "١٢:٠٠ ظهرًا", ar1: "١٢:٠١ ظهرًا", ar2: "١٢:٠٠ ظهرًا", ar3: "١٢:٠٠ ظهرًا" }, - { minute: "numeric", second: "numeric", fractionalSecondDigits: undefined, en0: "12:00:00 noon", en1: "12:01:00 in the afternoon", en2: "12:00:01 in the afternoon", en3: "12:00:00 noon", ar0: "١٢:٠٠:٠٠ ظهرًا", ar1: "١٢:٠١:٠٠ ظهرًا", ar2: "١٢:٠٠:٠١ ظهرًا", ar3: "١٢:٠٠:٠٠ ظهرًا" }, - { minute: "numeric", second: "numeric", fractionalSecondDigits: 1, en0: "12:00:00.0 noon", en1: "12:01:00.0 in the afternoon", en2: "12:00:01.0 in the afternoon", en3: "12:00:00.5 noon", ar0: "١٢:٠٠:٠٠٫٠ ظهرًا", ar1: "١٢:٠١:٠٠٫٠ ظهرًا", ar2: "١٢:٠٠:٠١٫٠ ظهرًا", ar3: "١٢:٠٠:٠٠٫٥ ظهرًا" }, - ]; + // prettier-ignore + const data = [ + { minute: undefined, second: undefined, fractionalSecondDigits: undefined, en0: "12 noon", en1: "12 noon", en2: "12 noon", en3: "12 noon", ar0: "١٢ ظهرًا", ar1: "١٢ ظهرًا", ar2: "١٢ ظهرًا", ar3: "١٢ ظهرًا" }, + { minute: "numeric", second: undefined, fractionalSecondDigits: undefined, en0: "12:00 noon", en1: "12:01 in the afternoon", en2: "12:00 noon", en3: "12:00 noon", ar0: "١٢:٠٠ ظهرًا", ar1: "١٢:٠١ ظهرًا", ar2: "١٢:٠٠ ظهرًا", ar3: "١٢:٠٠ ظهرًا" }, + { minute: "numeric", second: "numeric", fractionalSecondDigits: undefined, en0: "12:00:00 noon", en1: "12:01:00 in the afternoon", en2: "12:00:01 in the afternoon", en3: "12:00:00 noon", ar0: "١٢:٠٠:٠٠ ظهرًا", ar1: "١٢:٠١:٠٠ ظهرًا", ar2: "١٢:٠٠:٠١ ظهرًا", ar3: "١٢:٠٠:٠٠ ظهرًا" }, + { minute: "numeric", second: "numeric", fractionalSecondDigits: 1, en0: "12:00:00.0 noon", en1: "12:01:00.0 in the afternoon", en2: "12:00:01.0 in the afternoon", en3: "12:00:00.5 noon", ar0: "١٢:٠٠:٠٠٫٠ ظهرًا", ar1: "١٢:٠١:٠٠٫٠ ظهرًا", ar2: "١٢:٠٠:٠١٫٠ ظهرًا", ar3: "١٢:٠٠:٠٠٫٥ ظهرًا" }, + ]; - // The en locale includes the "noon" fixed day period, whereas the ar locale does not. - data.forEach(d => { + data.forEach(d => { + test(`minute=${d.minute}, second=${d.second}, fractionalSecondDigits=${d.fractionalSecondDigits}`, () => { + // The en locale includes the "noon" fixed day period, whereas the ar locale does not. const en = new Intl.DateTimeFormat("en", { hour: "numeric", dayPeriod: "short", @@ -398,16 +400,18 @@ describe("dayPeriod", () => { expect(ar.format(date3)).toBe(d.ar3); }); }); +}); - test("dayPeriod without time", () => { - // prettier-ignore - const data = [ - { dayPeriod: "narrow", en0: "in the afternoon", en1: "in the morning", ar0: "بعد الظهر", ar1: "صباحًا", as0: "pm", as1: "am"}, - { dayPeriod: "short", en0: "in the afternoon", en1: "in the morning", ar0: "بعد الظهر", ar1: "ص", as0: "PM", as1: "AM"}, - { dayPeriod: "long", en0: "in the afternoon", en1: "in the morning", ar0: "بعد الظهر", ar1: "صباحًا", as0: "PM", as1: "AM"}, - ]; +describe("dayPeriod without time", () => { + // prettier-ignore + const data = [ + { dayPeriod: "narrow", en0: "in the afternoon", en1: "in the morning", ar0: "بعد الظهر", ar1: "صباحًا", as0: "pm", as1: "am"}, + { dayPeriod: "short", en0: "in the afternoon", en1: "in the morning", ar0: "بعد الظهر", ar1: "ص", as0: "PM", as1: "AM"}, + { dayPeriod: "long", en0: "in the afternoon", en1: "in the morning", ar0: "بعد الظهر", ar1: "صباحًا", as0: "PM", as1: "AM"}, + ]; - data.forEach(d => { + data.forEach(d => { + test(`dayPeriod=${d.dayPeriod}`, () => { const en = new Intl.DateTimeFormat("en", { dayPeriod: d.dayPeriod, timeZone: "UTC", @@ -439,8 +443,8 @@ describe("hour", () => { { hour: "numeric", en0: "5 PM", en1: "7 AM", ar0: "٥ م", ar1: "٧ ص" }, ]; - test("all", () => { - data.forEach(d => { + data.forEach(d => { + test(`hour=${d.hour}`, () => { const en = new Intl.DateTimeFormat("en", { hour: d.hour, timeZone: "UTC" }); expect(en.format(d0)).toBe(d.en0); expect(en.format(d1)).toBe(d.en1); @@ -459,8 +463,8 @@ describe("minute", () => { { minute: "numeric", en0: "5:40 PM", en1: "7:08 AM", ar0: "٥:٤٠ م", ar1: "٧:٠٨ ص" }, ]; - test("all", () => { - data.forEach(d => { + data.forEach(d => { + test(`minute=${d.minute}`, () => { const en = new Intl.DateTimeFormat("en", { minute: d.minute, hour: "numeric", @@ -487,8 +491,8 @@ describe("second", () => { { second: "numeric", en0: "40:50", en1: "08:09", ar0: "٤٠:٥٠", ar1: "٠٨:٠٩" }, ]; - test("all", () => { - data.forEach(d => { + data.forEach(d => { + test(`second=${d.second}`, () => { const en = new Intl.DateTimeFormat("en", { second: d.second, minute: "numeric", @@ -516,8 +520,8 @@ describe("fractionalSecondDigits", () => { { fractionalSecondDigits: 3, en0: "40:50.456", en1: "08:09.045", ar0: "٤٠:٥٠٫٤٥٦", ar1: "٠٨:٠٩٫٠٤٥" }, ]; - test("all", () => { - data.forEach(d => { + data.forEach(d => { + test(`fractionalSecondDigits=${d.fractionalSecondDigits}`, () => { const en = new Intl.DateTimeFormat("en", { fractionalSecondDigits: d.fractionalSecondDigits, second: "numeric", @@ -585,8 +589,8 @@ describe("timeZoneName", () => { { timeZone: "+04:15", timeZoneName: "longGeneric", en0: "12/7/2021, GMT+04:15", en1: "1/23/1989, GMT+04:15", ar0: "٧‏/١٢‏/٢٠٢١، غرينتش+٠٤:١٥", ar1: "٢٣‏/١‏/١٩٨٩، غرينتش+٠٤:١٥" }, ]; - test("all", () => { - data.forEach(d => { + data.forEach(d => { + test(`timeZone=${d.timeZone}, timeZoneName=${d.timeZoneName}`, () => { const en = new Intl.DateTimeFormat("en", { timeZone: d.timeZone, timeZoneName: d.timeZoneName, diff --git a/Libraries/LibJS/Tests/builtins/Intl/DateTimeFormat/DateTimeFormat.prototype.formatRange.js b/Libraries/LibJS/Tests/builtins/Intl/DateTimeFormat/DateTimeFormat.prototype.formatRange.js index a1822141b2..053d3065f8 100644 --- a/Libraries/LibJS/Tests/builtins/Intl/DateTimeFormat/DateTimeFormat.prototype.formatRange.js +++ b/Libraries/LibJS/Tests/builtins/Intl/DateTimeFormat/DateTimeFormat.prototype.formatRange.js @@ -211,8 +211,8 @@ describe("dateStyle", () => { { date: "short", en: "1/23/89 – 12/7/21", ja: "1989/01/23～2021/12/07" }, ]; - test("all", () => { - data.forEach(d => { + data.forEach(d => { + test(`date=${d.date}`, () => { const en = new Intl.DateTimeFormat("en", { dateStyle: d.date, timeZone: "UTC" }); expect(en.formatRange(d0, d1)).toBe(d.en); @@ -245,8 +245,8 @@ describe("timeStyle", () => { { time: "short", en: "1/23/1989, 7:08 AM – 12/7/2021, 5:40 PM", ja: "1989/1/23 7:08～2021/12/7 17:40" }, ]; - test("all", () => { - data.forEach(d => { + data.forEach(d => { + test(`time=${d.time}`, () => { const en = new Intl.DateTimeFormat("en", { timeStyle: d.time, timeZone: "UTC" }); expect(en.formatRange(d0, d1)).toBe(d.en); @@ -277,8 +277,8 @@ describe("dateStyle + timeStyle", () => { { date: "short", time: "short", en: "1/23/89, 7:08 AM – 12/7/21, 5:40 PM", ja: "1989/01/23 7:08～2021/12/07 17:40" }, ]; - test("all", () => { - data.forEach(d => { + data.forEach(d => { + test(`dateStyle=${d.date}, timeStyle=${d.time}`, () => { const en = new Intl.DateTimeFormat("en", { dateStyle: d.date, timeStyle: d.time, diff --git a/Libraries/LibJS/Tests/builtins/Intl/DurationFormat/DurationFormat.prototype.format.js b/Libraries/LibJS/Tests/builtins/Intl/DurationFormat/DurationFormat.prototype.format.js index a8ebe4afe8..d3461b16bb 100644 --- a/Libraries/LibJS/Tests/builtins/Intl/DurationFormat/DurationFormat.prototype.format.js +++ b/Libraries/LibJS/Tests/builtins/Intl/DurationFormat/DurationFormat.prototype.format.js @@ -173,12 +173,14 @@ describe("correct behavior", () => { }); describe("errors", () => { - test("non-object duration records", () => { + test("format invalid string", () => { expect(() => { new Intl.DurationFormat().format("hello"); }).toThrowWithMessage(RangeError, "Invalid duration string 'hello"); + }); - [-100, Infinity, NaN, 152n, Symbol("foo"), true, null, undefined].forEach(value => { + [-100, Infinity, NaN, 152n, Symbol("foo"), true, null, undefined].forEach(value => { + test(`format non-object ${String(value)}`, () => { expect(() => { new Intl.DurationFormat().format(value); }).toThrowWithMessage(TypeError, "is not a string"); @@ -195,19 +197,19 @@ describe("errors", () => { }).toThrowWithMessage(TypeError, "Invalid duration"); }); - test("non-integral duration fields", () => { - [ - "years", - "months", - "weeks", - "days", - "hours", - "minutes", - "seconds", - "milliseconds", - "microseconds", - "nanoseconds", - ].forEach(field => { + [ + "years", + "months", + "weeks", + "days", + "hours", + "minutes", + "seconds", + "milliseconds", + "microseconds", + "nanoseconds", + ].forEach(field => { + test(`non-integral ${field}`, () => { expect(() => { new Intl.DurationFormat().format({ [field]: 1.5 }); }).toThrowWithMessage( diff --git a/Libraries/LibJS/Tests/builtins/Intl/DurationFormat/DurationFormat.prototype.formatToParts.js b/Libraries/LibJS/Tests/builtins/Intl/DurationFormat/DurationFormat.prototype.formatToParts.js index d16031be3a..46f34792b9 100644 --- a/Libraries/LibJS/Tests/builtins/Intl/DurationFormat/DurationFormat.prototype.formatToParts.js +++ b/Libraries/LibJS/Tests/builtins/Intl/DurationFormat/DurationFormat.prototype.formatToParts.js @@ -3,19 +3,20 @@ describe("correct behavior", () => { expect(Intl.DurationFormat.prototype.formatToParts).toHaveLength(1); }); - test("formats duration correctly", () => { - const duration = { - years: 1, - months: 2, - weeks: 3, - days: 3, - hours: 4, - minutes: 5, - seconds: 6, - milliseconds: 7, - microseconds: 8, - nanoseconds: 9, - }; + const duration = { + years: 1, + months: 2, + weeks: 3, + days: 3, + hours: 4, + minutes: 5, + seconds: 6, + milliseconds: 7, + microseconds: 8, + nanoseconds: 9, + }; + + test("default locale", () => { expect(new Intl.DurationFormat().formatToParts(duration)).toEqual([ { type: "integer", value: "1", unit: "year" }, { type: "literal", value: " ", unit: "year" }, @@ -57,6 +58,9 @@ describe("correct behavior", () => { { type: "literal", value: " ", unit: "nanosecond" }, { type: "unit", value: "ns", unit: "nanosecond" }, ]); + }); + + test("en locale", () => { expect(new Intl.DurationFormat("en").formatToParts(duration)).toEqual([ { type: "integer", value: "1", unit: "year" }, { type: "literal", value: " ", unit: "year" }, @@ -98,6 +102,9 @@ describe("correct behavior", () => { { type: "literal", value: " ", unit: "nanosecond" }, { type: "unit", value: "ns", unit: "nanosecond" }, ]); + }); + + test("en locale, long", () => { expect(new Intl.DurationFormat("en", { style: "long" }).formatToParts(duration)).toEqual([ { type: "integer", value: "1", unit: "year" }, { type: "literal", value: " ", unit: "year" }, @@ -139,6 +146,9 @@ describe("correct behavior", () => { { type: "literal", value: " ", unit: "nanosecond" }, { type: "unit", value: "nanoseconds", unit: "nanosecond" }, ]); + }); + + test("en locale, short", () => { expect(new Intl.DurationFormat("en", { style: "short" }).formatToParts(duration)).toEqual([ { type: "integer", value: "1", unit: "year" }, { type: "literal", value: " ", unit: "year" }, @@ -180,6 +190,9 @@ describe("correct behavior", () => { { type: "literal", value: " ", unit: "nanosecond" }, { type: "unit", value: "ns", unit: "nanosecond" }, ]); + }); + + test("en locale, narrow", () => { expect(new Intl.DurationFormat("en", { style: "narrow" }).formatToParts(duration)).toEqual([ { type: "integer", value: "1", unit: "year" }, { type: "unit", value: "y", unit: "year" }, @@ -211,6 +224,9 @@ describe("correct behavior", () => { { type: "integer", value: "9", unit: "nanosecond" }, { type: "unit", value: "ns", unit: "nanosecond" }, ]); + }); + + test("en locale, digital", () => { expect(new Intl.DurationFormat("en", { style: "digital" }).formatToParts(duration)).toEqual([ { type: "integer", value: "1", unit: "year" }, { type: "literal", value: " ", unit: "year" }, @@ -236,6 +252,9 @@ describe("correct behavior", () => { { type: "decimal", value: ".", unit: "second" }, { type: "fraction", value: "007008009", unit: "second" }, ]); + }); + + test("en locale, narrow with nanoseconds", () => { expect( new Intl.DurationFormat("en", { style: "narrow", @@ -272,7 +291,9 @@ describe("correct behavior", () => { { type: "fraction", value: "009", unit: "microsecond" }, { type: "unit", value: "μs", unit: "microsecond" }, ]); + }); + test("de locale, long", () => { expect(new Intl.DurationFormat("de", { style: "long" }).formatToParts(duration)).toEqual([ { type: "integer", value: "1", unit: "year" }, { type: "literal", value: " ", unit: "year" }, @@ -314,6 +335,9 @@ describe("correct behavior", () => { { type: "literal", value: " ", unit: "nanosecond" }, { type: "unit", value: "Nanosekunden", unit: "nanosecond" }, ]); + }); + + test("de locale, short", () => { expect(new Intl.DurationFormat("de", { style: "short" }).formatToParts(duration)).toEqual([ { type: "integer", value: "1", unit: "year" }, { type: "literal", value: " ", unit: "year" }, @@ -355,6 +379,9 @@ describe("correct behavior", () => { { type: "literal", value: " ", unit: "nanosecond" }, { type: "unit", value: "ns", unit: "nanosecond" }, ]); + }); + + test("de locale, narrow", () => { expect(new Intl.DurationFormat("de", { style: "narrow" }).formatToParts(duration)).toEqual([ { type: "integer", value: "1", unit: "year" }, { type: "literal", value: " ", unit: "year" }, @@ -396,6 +423,9 @@ describe("correct behavior", () => { { type: "literal", value: " ", unit: "nanosecond" }, { type: "unit", value: "ns", unit: "nanosecond" }, ]); + }); + + test("de locale, digital", () => { expect(new Intl.DurationFormat("de", { style: "digital" }).formatToParts(duration)).toEqual([ { type: "integer", value: "1", unit: "year" }, { type: "literal", value: " ", unit: "year" }, @@ -421,6 +451,9 @@ describe("correct behavior", () => { { type: "decimal", value: ",", unit: "second" }, { type: "fraction", value: "007008009", unit: "second" }, ]); + }); + + test("de locale, narrow with nanoseconds", () => { expect( new Intl.DurationFormat("de", { style: "narrow", @@ -470,12 +503,14 @@ describe("correct behavior", () => { }); describe("errors", () => { - test("non-object duration records", () => { + test("format invalid string", () => { expect(() => { new Intl.DurationFormat().formatToParts("hello"); }).toThrowWithMessage(RangeError, "Invalid duration string 'hello"); + }); - [-100, Infinity, NaN, 152n, Symbol("foo"), true, null, undefined].forEach(value => { + [-100, Infinity, NaN, 152n, Symbol("foo"), true, null, undefined].forEach(value => { + test(`format non-object ${String(value)}`, () => { expect(() => { new Intl.DurationFormat().formatToParts(value); }).toThrowWithMessage(TypeError, "is not a string"); @@ -492,19 +527,19 @@ describe("errors", () => { }).toThrowWithMessage(TypeError, "Invalid duration"); }); - test("non-integral duration fields", () => { - [ - "years", - "months", - "weeks", - "days", - "hours", - "minutes", - "seconds", - "milliseconds", - "microseconds", - "nanoseconds", - ].forEach(field => { + [ + "years", + "months", + "weeks", + "days", + "hours", + "minutes", + "seconds", + "milliseconds", + "microseconds", + "nanoseconds", + ].forEach(field => { + test(`non-integral ${field}`, () => { expect(() => { new Intl.DurationFormat().formatToParts({ [field]: 1.5 }); }).toThrowWithMessage(