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Temporal: Remove Plain/ZonedDateTime to PlainYearMonth/MonthDay APIs

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See tc39/proposal-temporal#2848
This commit is contained in:
Philip Chimento 2024-05-24 15:15:13 -07:00 committed by Philip Chimento
parent 1c900ca59c
commit 3c28e3a359
76 changed files with 0 additions and 1742 deletions
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22
test/built-ins/Temporal/PlainDateTime/prototype/toPlainMonthDay/branding.js vendored
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// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainmonthday
description: Throw a TypeError if the receiver is invalid
features: [Symbol, Temporal]
---*/
const toPlainMonthDay = Temporal.PlainDateTime.prototype.toPlainMonthDay;
assert.sameValue(typeof toPlainMonthDay, "function");
assert.throws(TypeError, () => toPlainMonthDay.call(undefined), "undefined");
assert.throws(TypeError, () => toPlainMonthDay.call(null), "null");
assert.throws(TypeError, () => toPlainMonthDay.call(true), "true");
assert.throws(TypeError, () => toPlainMonthDay.call(""), "empty string");
assert.throws(TypeError, () => toPlainMonthDay.call(Symbol()), "symbol");
assert.throws(TypeError, () => toPlainMonthDay.call(1), "1");
assert.throws(TypeError, () => toPlainMonthDay.call({}), "plain object");
assert.throws(TypeError, () => toPlainMonthDay.call(Temporal.PlainDateTime), "Temporal.PlainDateTime");
assert.throws(TypeError, () => toPlainMonthDay.call(Temporal.PlainDateTime.prototype), "Temporal.PlainDateTime.prototype");

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test/built-ins/Temporal/PlainDateTime/prototype/toPlainMonthDay/builtin-calendar-no-array-iteration.js vendored
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// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainmonthday
description: >
Calling the method on an instance constructed with a builtin calendar causes
no observable array iteration when getting the calendar fields.
features: [Temporal]
---*/
const arrayPrototypeSymbolIteratorOriginal = Array.prototype[Symbol.iterator];
Array.prototype[Symbol.iterator] = function arrayIterator() {
throw new Test262Error("Array should not be iterated");
}
const instance = new Temporal.PlainDateTime(2023, 5, 2, 12, 34, 56, 987, 654, 321, "iso8601");
instance.toPlainMonthDay();
Array.prototype[Symbol.iterator] = arrayPrototypeSymbolIteratorOriginal;

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test/built-ins/Temporal/PlainDateTime/prototype/toPlainMonthDay/builtin-calendar-no-observable-calls.js vendored
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// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainmonthday
description: >
Calling the method on an instance constructed with a builtin calendar causes
no observable lookups or calls to calendar methods.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const fieldsOriginal = Object.getOwnPropertyDescriptor(Temporal.Calendar.prototype, "fields");
Object.defineProperty(Temporal.Calendar.prototype, "fields", {
configurable: true,
enumerable: false,
get() {
TemporalHelpers.assertUnreachable("fields should not be looked up");
},
});
const monthDayFromFieldsOriginal = Object.getOwnPropertyDescriptor(Temporal.Calendar.prototype, "monthDayFromFields");
Object.defineProperty(Temporal.Calendar.prototype, "monthDayFromFields", {
configurable: true,
enumerable: false,
get() {
TemporalHelpers.assertUnreachable("monthDayFromFields should not be looked up");
},
});
const instance = new Temporal.PlainDateTime(2000, 5, 2, 12, 34, 56, 987, 654, 321, "iso8601");
instance.toPlainMonthDay();
Object.defineProperty(Temporal.Calendar.prototype, "fields", fieldsOriginal);
Object.defineProperty(Temporal.Calendar.prototype, "monthDayFromFields", monthDayFromFieldsOriginal);

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test/built-ins/Temporal/PlainDateTime/prototype/toPlainMonthDay/builtin.js vendored
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// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainmonthday
description: >
Tests that Temporal.PlainDateTime.prototype.toPlainMonthDay
meets the requirements for built-in objects defined by the
introduction of chapter 17 of the ECMAScript Language Specification.
info: |
Built-in functions that are not constructors do not have a "prototype" property unless
otherwise specified in the description of a particular function.
Unless specified otherwise, a built-in object that is callable as a function is a built-in
function object with the characteristics described in 10.3. Unless specified otherwise, the
[[Extensible]] internal slot of a built-in object initially has the value true.
Unless otherwise specified every built-in function and every built-in constructor has the
Function prototype object [...] as the value of its [[Prototype]] internal slot.
features: [Temporal]
---*/
assert.sameValue(Object.isExtensible(Temporal.PlainDateTime.prototype.toPlainMonthDay),
true, "Built-in objects must be extensible.");
assert.sameValue(Object.prototype.toString.call(Temporal.PlainDateTime.prototype.toPlainMonthDay),
"[object Function]", "Object.prototype.toString");
assert.sameValue(Object.getPrototypeOf(Temporal.PlainDateTime.prototype.toPlainMonthDay),
Function.prototype, "prototype");
assert.sameValue(Temporal.PlainDateTime.prototype.toPlainMonthDay.hasOwnProperty("prototype"),
false, "prototype property");

29
test/built-ins/Temporal/PlainDateTime/prototype/toPlainMonthDay/calendar-arguments.js vendored
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// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainmonthday
description: Correct options value is passed to calendar method
info: |
MonthDayFromFields ( calendar, fields [ , options ] )
3. If options is not present, then
a. Set options to undefined.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
class CustomCalendar extends Temporal.Calendar {
constructor() {
super("iso8601");
}
monthDayFromFields(...args) {
assert.sameValue(args.length, 2, "args.length");
assert.sameValue(typeof args[0], "object", "args[0]");
assert.sameValue(args[1], undefined, "args[1]");
return super.monthDayFromFields(...args);
}
}
const plainDateTime = new Temporal.PlainDateTime(2000, 5, 2, 12, 34, 56, 123, 456, 789, new CustomCalendar());
const result = plainDateTime.toPlainMonthDay();
TemporalHelpers.assertPlainMonthDay(result, "M05", 2);

27
test/built-ins/Temporal/PlainDateTime/prototype/toPlainMonthDay/calendar-fields-iterable.js vendored
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// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainmonthday
description: Verify the result of calendar.fields() is treated correctly.
info: |
sec-temporal.plaindatetime.prototype.toplainmonthday step 4:
4. Let _fieldNames_ be ? CalendarFields(_calendar_, « *"day"*, *"monthCode"* »).
sec-temporal-calendarfields step 4:
4. Let _result_ be ? IterableToList(_fieldsArray_).
includes: [compareArray.js, temporalHelpers.js]
features: [Temporal]
---*/
const expected = [
"day",
"monthCode",
];
const calendar = TemporalHelpers.calendarFieldsIterable();
const datetime = new Temporal.PlainDateTime(2000, 5, 2, 12, 34, 56, 987, 654, 321, calendar);
datetime.toPlainMonthDay();
assert.sameValue(calendar.fieldsCallCount, 1, "fields() method called once");
assert.compareArray(calendar.fieldsCalledWith[0], expected, "fields() method called with correct args");
assert(calendar.iteratorExhausted[0], "iterated through the whole iterable");

15
test/built-ins/Temporal/PlainDateTime/prototype/toPlainMonthDay/calendar-fromfields-called-with-null-prototype-fields.js vendored
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// Copyright (C) 2022 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainmonthday
description: >
Calendar.monthDayFromFields method is called with a null-prototype fields object
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const calendar = TemporalHelpers.calendarCheckFieldsPrototypePollution();
const instance = new Temporal.PlainDateTime(2000, 5, 2, 12, 34, 56, 987, 654, 321, calendar);
instance.toPlainMonthDay();
assert.sameValue(calendar.monthDayFromFieldsCallCount, 1, "monthDayFromFields should have been called on the calendar");

16
test/built-ins/Temporal/PlainDateTime/prototype/toPlainMonthDay/calendar-monthdayfromfields-called-with-options-undefined.js vendored
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// Copyright (C) 2022 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainmonthday
description: >
Calendar.monthDayFromFields method is called with undefined as the options
value when call originates internally
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const calendar = TemporalHelpers.calendarFromFieldsUndefinedOptions();
const instance = new Temporal.PlainDateTime(2000, 5, 2, 12, 34, 56, 987, 654, 321, calendar);
instance.toPlainMonthDay();
assert.sameValue(calendar.monthDayFromFieldsCallCount, 1);

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test/built-ins/Temporal/PlainDateTime/prototype/toPlainMonthDay/constructor-in-calendar-fields.js vendored
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// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainmonthday
description: If a calendar's fields() method returns a field named 'constructor', PrepareTemporalFields should throw a RangeError.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const calendar = TemporalHelpers.calendarWithExtraFields(['constructor']);
const datetime = new Temporal.PlainDateTime(2023, 5, 1, 0, 0, 0, 0, 0, 0, calendar);
assert.throws(RangeError, () => datetime.toPlainMonthDay());

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test/built-ins/Temporal/PlainDateTime/prototype/toPlainMonthDay/duplicate-calendar-fields.js vendored
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// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainmonthday
description: If a calendar's fields() method returns duplicate field names, PrepareTemporalFields should throw a RangeError.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
for (const extra_fields of [['foo', 'foo'], ['monthCode'], ['day']]) {
const calendar = TemporalHelpers.calendarWithExtraFields(extra_fields);
const datetime = new Temporal.PlainDateTime(2023, 5, 1, 0, 0, 0, 0, 0, 0, calendar);
assert.throws(RangeError, () => datetime.toPlainMonthDay());
}

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test/built-ins/Temporal/PlainDateTime/prototype/toPlainMonthDay/length.js vendored
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// Copyright (C) 2020 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainmonthday
description: Temporal.PlainDateTime.prototype.toPlainMonthDay.length is 0
info: |
Every built-in function object, including constructors, has a "length" property whose value is
an integer. Unless otherwise specified, this value is equal to the largest number of named
arguments shown in the subclause headings for the function description. Optional parameters
(which are indicated with brackets: [ ]) or rest parameters (which are shown using the form
«...name») are not included in the default argument count.
Unless otherwise specified, the "length" property of a built-in function object has the
attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }.
includes: [propertyHelper.js]
features: [Temporal]
---*/
verifyProperty(Temporal.PlainDateTime.prototype.toPlainMonthDay, "length", {
value: 0,
writable: false,
enumerable: false,
configurable: true,
});

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test/built-ins/Temporal/PlainDateTime/prototype/toPlainMonthDay/name.js vendored
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// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainmonthday
description: Temporal.PlainDateTime.prototype.toPlainMonthDay.name is "toPlainMonthDay".
info: |
Every built-in function object, including constructors, that is not identified as an anonymous
function has a "name" property whose value is a String. Unless otherwise specified, this value
is the name that is given to the function in this specification.
Unless otherwise specified, the "name" property of a built-in function object, if it exists,
has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }.
includes: [propertyHelper.js]
features: [Temporal]
---*/
verifyProperty(Temporal.PlainDateTime.prototype.toPlainMonthDay, "name", {
value: "toPlainMonthDay",
writable: false,
enumerable: false,
configurable: true,
});

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test/built-ins/Temporal/PlainDateTime/prototype/toPlainMonthDay/not-a-constructor.js vendored
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// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainmonthday
description: >
Temporal.PlainDateTime.prototype.toPlainMonthDay does not implement [[Construct]], is not new-able
info: |
Built-in function objects that are not identified as constructors do not implement the
[[Construct]] internal method unless otherwise specified in the description of a particular
function.
includes: [isConstructor.js]
features: [Reflect.construct, Temporal]
---*/
assert.throws(TypeError, () => {
new Temporal.PlainDateTime.prototype.toPlainMonthDay();
}, "Calling as constructor");
assert.sameValue(isConstructor(Temporal.PlainDateTime.prototype.toPlainMonthDay), false,
"isConstructor(Temporal.PlainDateTime.prototype.toPlainMonthDay)");

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test/built-ins/Temporal/PlainDateTime/prototype/toPlainMonthDay/prop-desc.js vendored
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// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainmonthday
description: The "toPlainMonthDay" property of Temporal.PlainDateTime.prototype
includes: [propertyHelper.js]
features: [Temporal]
---*/
assert.sameValue(
typeof Temporal.PlainDateTime.prototype.toPlainMonthDay,
"function",
"`typeof PlainDateTime.prototype.toPlainMonthDay` is `function`"
);
verifyProperty(Temporal.PlainDateTime.prototype, "toPlainMonthDay", {
writable: true,
enumerable: false,
configurable: true,
});

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test/built-ins/Temporal/PlainDateTime/prototype/toPlainMonthDay/proto-in-calendar-fields.js vendored
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// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainmonthday
description: If a calendar's fields() method returns a field named '__proto__', PrepareTemporalFields should throw a RangeError.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const calendar = TemporalHelpers.calendarWithExtraFields(['__proto__']);
const datetime = new Temporal.PlainDateTime(2023, 5, 1, 0, 0, 0, 0, 0, 0, calendar);
assert.throws(RangeError, () => datetime.toPlainMonthDay());

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test/built-ins/Temporal/PlainDateTime/prototype/toPlainYearMonth/branding.js vendored
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// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainyearmonth
description: Throw a TypeError if the receiver is invalid
features: [Symbol, Temporal]
---*/
const toPlainYearMonth = Temporal.PlainDateTime.prototype.toPlainYearMonth;
assert.sameValue(typeof toPlainYearMonth, "function");
assert.throws(TypeError, () => toPlainYearMonth.call(undefined), "undefined");
assert.throws(TypeError, () => toPlainYearMonth.call(null), "null");
assert.throws(TypeError, () => toPlainYearMonth.call(true), "true");
assert.throws(TypeError, () => toPlainYearMonth.call(""), "empty string");
assert.throws(TypeError, () => toPlainYearMonth.call(Symbol()), "symbol");
assert.throws(TypeError, () => toPlainYearMonth.call(1), "1");
assert.throws(TypeError, () => toPlainYearMonth.call({}), "plain object");
assert.throws(TypeError, () => toPlainYearMonth.call(Temporal.PlainDateTime), "Temporal.PlainDateTime");
assert.throws(TypeError, () => toPlainYearMonth.call(Temporal.PlainDateTime.prototype), "Temporal.PlainDateTime.prototype");

20
test/built-ins/Temporal/PlainDateTime/prototype/toPlainYearMonth/builtin-calendar-no-array-iteration.js vendored
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// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainyearmonth
description: >
Calling the method on an instance constructed with a builtin calendar causes
no observable array iteration when getting the calendar fields.
features: [Temporal]
---*/
const arrayPrototypeSymbolIteratorOriginal = Array.prototype[Symbol.iterator];
Array.prototype[Symbol.iterator] = function arrayIterator() {
throw new Test262Error("Array should not be iterated");
}
const instance = new Temporal.PlainDateTime(2023, 5, 2, 12, 34, 56, 987, 654, 321, "iso8601");
instance.toPlainYearMonth();
Array.prototype[Symbol.iterator] = arrayPrototypeSymbolIteratorOriginal;

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test/built-ins/Temporal/PlainDateTime/prototype/toPlainYearMonth/builtin-calendar-no-observable-calls.js vendored
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// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainyearmonth
description: >
Calling the method on an instance constructed with a builtin calendar causes
no observable lookups or calls to calendar methods.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const fieldsOriginal = Object.getOwnPropertyDescriptor(Temporal.Calendar.prototype, "fields");
Object.defineProperty(Temporal.Calendar.prototype, "fields", {
configurable: true,
enumerable: false,
get() {
TemporalHelpers.assertUnreachable("fields should not be looked up");
},
});
const yearMonthFromFieldsOriginal = Object.getOwnPropertyDescriptor(Temporal.Calendar.prototype, "yearMonthFromFields");
Object.defineProperty(Temporal.Calendar.prototype, "yearMonthFromFields", {
configurable: true,
enumerable: false,
get() {
TemporalHelpers.assertUnreachable("yearMonthFromFields should not be looked up");
},
});
const instance = new Temporal.PlainDateTime(2000, 5, 2, 12, 34, 56, 987, 654, 321, "iso8601");
instance.toPlainYearMonth();
Object.defineProperty(Temporal.Calendar.prototype, "fields", fieldsOriginal);
Object.defineProperty(Temporal.Calendar.prototype, "yearMonthFromFields", yearMonthFromFieldsOriginal);

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test/built-ins/Temporal/PlainDateTime/prototype/toPlainYearMonth/builtin.js vendored
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// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainyearmonth
description: >
Tests that Temporal.PlainDateTime.prototype.toPlainYearMonth
meets the requirements for built-in objects defined by the
introduction of chapter 17 of the ECMAScript Language Specification.
info: |
Built-in functions that are not constructors do not have a "prototype" property unless
otherwise specified in the description of a particular function.
Unless specified otherwise, a built-in object that is callable as a function is a built-in
function object with the characteristics described in 10.3. Unless specified otherwise, the
[[Extensible]] internal slot of a built-in object initially has the value true.
Unless otherwise specified every built-in function and every built-in constructor has the
Function prototype object [...] as the value of its [[Prototype]] internal slot.
features: [Temporal]
---*/
assert.sameValue(Object.isExtensible(Temporal.PlainDateTime.prototype.toPlainYearMonth),
true, "Built-in objects must be extensible.");
assert.sameValue(Object.prototype.toString.call(Temporal.PlainDateTime.prototype.toPlainYearMonth),
"[object Function]", "Object.prototype.toString");
assert.sameValue(Object.getPrototypeOf(Temporal.PlainDateTime.prototype.toPlainYearMonth),
Function.prototype, "prototype");
assert.sameValue(Temporal.PlainDateTime.prototype.toPlainYearMonth.hasOwnProperty("prototype"),
false, "prototype property");

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test/built-ins/Temporal/PlainDateTime/prototype/toPlainYearMonth/calendar-arguments.js vendored
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// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainyearmonth
description: Correct options value is passed to calendar method
info: |
YearMonthFromFields ( calendar, fields [ , options ] )
3. If options is not present, then
a. Set options to undefined.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
class CustomCalendar extends Temporal.Calendar {
constructor() {
super("iso8601");
}
yearMonthFromFields(...args) {
assert.sameValue(args.length, 2, "args.length");
assert.sameValue(typeof args[0], "object", "args[0]");
assert.sameValue(args[1], undefined, "args[1]");
return super.yearMonthFromFields(...args);
}
}
const plainDateTime = new Temporal.PlainDateTime(2000, 5, 2, 12, 34, 56, 123, 456, 789, new CustomCalendar());
const result = plainDateTime.toPlainYearMonth();
TemporalHelpers.assertPlainYearMonth(result, 2000, 5, "M05");

27
test/built-ins/Temporal/PlainDateTime/prototype/toPlainYearMonth/calendar-fields-iterable.js vendored
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// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainyearmonth
description: Verify the result of calendar.fields() is treated correctly.
info: |
sec-temporal.plaindatetime.prototype.toplainyearmonth step 4:
4. Let _fieldNames_ be ? CalendarFields(_calendar_, « *"monthCode"*, *"year"* »).
sec-temporal-calendarfields step 4:
4. Let _result_ be ? IterableToList(_fieldsArray_).
includes: [compareArray.js, temporalHelpers.js]
features: [Temporal]
---*/
const expected = [
"monthCode",
"year",
];
const calendar = TemporalHelpers.calendarFieldsIterable();
const datetime = new Temporal.PlainDateTime(2000, 5, 2, 12, 34, 56, 987, 654, 321, calendar);
datetime.toPlainYearMonth();
assert.sameValue(calendar.fieldsCallCount, 1, "fields() method called once");
assert.compareArray(calendar.fieldsCalledWith[0], expected, "fields() method called with correct args");
assert(calendar.iteratorExhausted[0], "iterated through the whole iterable");

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test/built-ins/Temporal/PlainDateTime/prototype/toPlainYearMonth/calendar-fromfields-called-with-null-prototype-fields.js vendored
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// Copyright (C) 2022 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainyearmonth
description: >
Calendar.yearMonthFromFields method is called with a null-prototype fields object
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const calendar = TemporalHelpers.calendarCheckFieldsPrototypePollution();
const instance = new Temporal.PlainDateTime(2000, 5, 2, 12, 34, 56, 987, 654, 321, calendar);
instance.toPlainYearMonth();
assert.sameValue(calendar.yearMonthFromFieldsCallCount, 1, "yearMonthFromFields should have been called on the calendar");

16
test/built-ins/Temporal/PlainDateTime/prototype/toPlainYearMonth/calendar-yearmonthfromfields-called-with-options-undefined.js vendored
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// Copyright (C) 2022 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainyearmonth
description: >
Calendar.yearMonthFromFields method is called with undefined as the options
value when call originates internally
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const calendar = TemporalHelpers.calendarFromFieldsUndefinedOptions();
const instance = new Temporal.PlainDateTime(2000, 5, 2, 12, 34, 56, 987, 654, 321, calendar);
instance.toPlainYearMonth();
assert.sameValue(calendar.yearMonthFromFieldsCallCount, 1);

13
test/built-ins/Temporal/PlainDateTime/prototype/toPlainYearMonth/constructor-in-calendar-fields.js vendored
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// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainyearmonth
description: If a calendar's fields() method returns a field named 'constructor', PrepareTemporalFields should throw a RangeError.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const calendar = TemporalHelpers.calendarWithExtraFields(['constructor']);
const datetime = new Temporal.PlainDateTime(2023, 5, 1, 0, 0, 0, 0, 0, 0, calendar);
assert.throws(RangeError, () => datetime.toPlainYearMonth());

15
test/built-ins/Temporal/PlainDateTime/prototype/toPlainYearMonth/duplicate-calendar-fields.js vendored
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@ -1,15 +0,0 @@
// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainyearmonth
description: If a calendar's fields() method returns duplicate field names, PrepareTemporalFields should throw a RangeError.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
for (const extra_fields of [['foo', 'foo'], ['monthCode'], ['year']]) {
const calendar = TemporalHelpers.calendarWithExtraFields(extra_fields);
const datetime = new Temporal.PlainDateTime(2023, 5, 1, 0, 0, 0, 0, 0, 0, calendar);
assert.throws(RangeError, () => datetime.toPlainYearMonth());
}

25
test/built-ins/Temporal/PlainDateTime/prototype/toPlainYearMonth/length.js vendored
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@ -1,25 +0,0 @@
// Copyright (C) 2020 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainyearmonth
description: Temporal.PlainDateTime.prototype.toPlainYearMonth.length is 0
info: |
Every built-in function object, including constructors, has a "length" property whose value is
an integer. Unless otherwise specified, this value is equal to the largest number of named
arguments shown in the subclause headings for the function description. Optional parameters
(which are indicated with brackets: [ ]) or rest parameters (which are shown using the form
«...name») are not included in the default argument count.
Unless otherwise specified, the "length" property of a built-in function object has the
attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }.
includes: [propertyHelper.js]
features: [Temporal]
---*/
verifyProperty(Temporal.PlainDateTime.prototype.toPlainYearMonth, "length", {
value: 0,
writable: false,
enumerable: false,
configurable: true,
});

23
test/built-ins/Temporal/PlainDateTime/prototype/toPlainYearMonth/name.js vendored
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@ -1,23 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainyearmonth
description: Temporal.PlainDateTime.prototype.toPlainYearMonth.name is "toPlainYearMonth".
info: |
Every built-in function object, including constructors, that is not identified as an anonymous
function has a "name" property whose value is a String. Unless otherwise specified, this value
is the name that is given to the function in this specification.
Unless otherwise specified, the "name" property of a built-in function object, if it exists,
has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }.
includes: [propertyHelper.js]
features: [Temporal]
---*/
verifyProperty(Temporal.PlainDateTime.prototype.toPlainYearMonth, "name", {
value: "toPlainYearMonth",
writable: false,
enumerable: false,
configurable: true,
});

21
test/built-ins/Temporal/PlainDateTime/prototype/toPlainYearMonth/not-a-constructor.js vendored
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@ -1,21 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainyearmonth
description: >
Temporal.PlainDateTime.prototype.toPlainYearMonth does not implement [[Construct]], is not new-able
info: |
Built-in function objects that are not identified as constructors do not implement the
[[Construct]] internal method unless otherwise specified in the description of a particular
function.
includes: [isConstructor.js]
features: [Reflect.construct, Temporal]
---*/
assert.throws(TypeError, () => {
new Temporal.PlainDateTime.prototype.toPlainYearMonth();
}, "Calling as constructor");
assert.sameValue(isConstructor(Temporal.PlainDateTime.prototype.toPlainYearMonth), false,
"isConstructor(Temporal.PlainDateTime.prototype.toPlainYearMonth)");

21
test/built-ins/Temporal/PlainDateTime/prototype/toPlainYearMonth/prop-desc.js vendored
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@ -1,21 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainyearmonth
description: The "toPlainYearMonth" property of Temporal.PlainDateTime.prototype
includes: [propertyHelper.js]
features: [Temporal]
---*/
assert.sameValue(
typeof Temporal.PlainDateTime.prototype.toPlainYearMonth,
"function",
"`typeof PlainDateTime.prototype.toPlainYearMonth` is `function`"
);
verifyProperty(Temporal.PlainDateTime.prototype, "toPlainYearMonth", {
writable: true,
enumerable: false,
configurable: true,
});

13
test/built-ins/Temporal/PlainDateTime/prototype/toPlainYearMonth/proto-in-calendar-fields.js vendored
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@ -1,13 +0,0 @@
// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.toplainyearmonth
description: If a calendar's fields() method returns a field named '__proto__', PrepareTemporalFields should throw a RangeError.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const calendar = TemporalHelpers.calendarWithExtraFields(['__proto__']);
const datetime = new Temporal.PlainDateTime(2023, 5, 1, 0, 0, 0, 0, 0, 0, calendar);
assert.throws(RangeError, () => datetime.toPlainYearMonth());

22
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/branding.js vendored
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@ -1,22 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: Throw a TypeError if the receiver is invalid
features: [Symbol, Temporal]
---*/
const toPlainMonthDay = Temporal.ZonedDateTime.prototype.toPlainMonthDay;
assert.sameValue(typeof toPlainMonthDay, "function");
assert.throws(TypeError, () => toPlainMonthDay.call(undefined), "undefined");
assert.throws(TypeError, () => toPlainMonthDay.call(null), "null");
assert.throws(TypeError, () => toPlainMonthDay.call(true), "true");
assert.throws(TypeError, () => toPlainMonthDay.call(""), "empty string");
assert.throws(TypeError, () => toPlainMonthDay.call(Symbol()), "symbol");
assert.throws(TypeError, () => toPlainMonthDay.call(1), "1");
assert.throws(TypeError, () => toPlainMonthDay.call({}), "plain object");
assert.throws(TypeError, () => toPlainMonthDay.call(Temporal.ZonedDateTime), "Temporal.ZonedDateTime");
assert.throws(TypeError, () => toPlainMonthDay.call(Temporal.ZonedDateTime.prototype), "Temporal.ZonedDateTime.prototype");

20
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/builtin-calendar-no-array-iteration.js vendored
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@ -1,20 +0,0 @@
// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: >
Calling the method on an instance constructed with a builtin calendar causes
no observable array iteration when getting the calendar fields.
features: [Temporal]
---*/
const arrayPrototypeSymbolIteratorOriginal = Array.prototype[Symbol.iterator];
Array.prototype[Symbol.iterator] = function arrayIterator() {
throw new Test262Error("Array should not be iterated");
}
const instance = new Temporal.ZonedDateTime(1_000_000_000_000_000_000n, "UTC", "iso8601");
instance.toPlainMonthDay();
Array.prototype[Symbol.iterator] = arrayPrototypeSymbolIteratorOriginal;

34
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/builtin-calendar-no-observable-calls.js vendored
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@ -1,34 +0,0 @@
// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: >
Calling the method on an instance constructed with a builtin calendar causes
no observable lookups or calls to calendar methods.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const fieldsOriginal = Object.getOwnPropertyDescriptor(Temporal.Calendar.prototype, "fields");
Object.defineProperty(Temporal.Calendar.prototype, "fields", {
configurable: true,
enumerable: false,
get() {
TemporalHelpers.assertUnreachable("fields should not be looked up");
},
});
const monthDayFromFieldsOriginal = Object.getOwnPropertyDescriptor(Temporal.Calendar.prototype, "monthDayFromFields");
Object.defineProperty(Temporal.Calendar.prototype, "monthDayFromFields", {
configurable: true,
enumerable: false,
get() {
TemporalHelpers.assertUnreachable("monthDayFromFields should not be looked up");
},
});
const instance = new Temporal.ZonedDateTime(1_000_000_000_000_000_000n, "UTC", "iso8601");
instance.toPlainMonthDay();
Object.defineProperty(Temporal.Calendar.prototype, "fields", fieldsOriginal);
Object.defineProperty(Temporal.Calendar.prototype, "monthDayFromFields", monthDayFromFieldsOriginal);

25
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/builtin-timezone-no-observable-calls.js vendored
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@ -1,25 +0,0 @@
// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: >
Calling the method on an instance constructed with a builtin time zone causes
no observable lookups or calls to time zone methods.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const getOffsetNanosecondsForOriginal = Object.getOwnPropertyDescriptor(Temporal.TimeZone.prototype, "getOffsetNanosecondsFor");
Object.defineProperty(Temporal.TimeZone.prototype, "getOffsetNanosecondsFor", {
configurable: true,
enumerable: false,
get() {
TemporalHelpers.assertUnreachable("getOffsetNanosecondsFor should not be looked up");
},
});
const instance = new Temporal.ZonedDateTime(1_000_000_000_000_000_000n, "UTC", "iso8601");
instance.toPlainMonthDay();
Object.defineProperty(Temporal.TimeZone.prototype, "getOffsetNanosecondsFor", getOffsetNanosecondsForOriginal);

33
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/builtin.js vendored
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@ -1,33 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: >
Tests that Temporal.ZonedDateTime.prototype.toPlainMonthDay
meets the requirements for built-in objects defined by the
introduction of chapter 17 of the ECMAScript Language Specification.
info: |
Built-in functions that are not constructors do not have a "prototype" property unless
otherwise specified in the description of a particular function.
Unless specified otherwise, a built-in object that is callable as a function is a built-in
function object with the characteristics described in 10.3. Unless specified otherwise, the
[[Extensible]] internal slot of a built-in object initially has the value true.
Unless otherwise specified every built-in function and every built-in constructor has the
Function prototype object [...] as the value of its [[Prototype]] internal slot.
features: [Temporal]
---*/
assert.sameValue(Object.isExtensible(Temporal.ZonedDateTime.prototype.toPlainMonthDay),
true, "Built-in objects must be extensible.");
assert.sameValue(Object.prototype.toString.call(Temporal.ZonedDateTime.prototype.toPlainMonthDay),
"[object Function]", "Object.prototype.toString");
assert.sameValue(Object.getPrototypeOf(Temporal.ZonedDateTime.prototype.toPlainMonthDay),
Function.prototype, "prototype");
assert.sameValue(Temporal.ZonedDateTime.prototype.toPlainMonthDay.hasOwnProperty("prototype"),
false, "prototype property");

29
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/calendar-arguments.js vendored
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@ -1,29 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: Correct options value is passed to calendar method
info: |
MonthDayFromFields ( calendar, fields [ , options ] )
3. If options is not present, then
a. Set options to undefined.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
class CustomCalendar extends Temporal.Calendar {
constructor() {
super("iso8601");
}
monthDayFromFields(...args) {
assert.sameValue(args.length, 2, "args.length");
assert.sameValue(typeof args[0], "object", "args[0]");
assert.sameValue(args[1], undefined, "args[1]");
return super.monthDayFromFields(...args);
}
}
const zonedDateTime = new Temporal.ZonedDateTime(957270896123456789n, "UTC", new CustomCalendar());
const result = zonedDateTime.toPlainMonthDay();
TemporalHelpers.assertPlainMonthDay(result, "M05", 2);

27
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/calendar-fields-iterable.js vendored
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@ -1,27 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: Verify the result of calendar.fields() is treated correctly.
info: |
sec-temporal.zoneddatetime.prototype.toplainmonthday step 7:
7. Let _fieldNames_ be ? CalendarFields(_calendar_, « *"day"*, *"monthCode"* »).
sec-temporal-calendarfields step 4:
4. Let _result_ be ? IterableToList(_fieldsArray_).
includes: [compareArray.js, temporalHelpers.js]
features: [Temporal]
---*/
const expected = [
"day",
"monthCode",
];
const calendar = TemporalHelpers.calendarFieldsIterable();
const datetime = new Temporal.ZonedDateTime(1_000_000_000_000_000_000n, "UTC", calendar);
datetime.toPlainMonthDay();
assert.sameValue(calendar.fieldsCallCount, 1, "fields() method called once");
assert.compareArray(calendar.fieldsCalledWith[0], expected, "fields() method called with correct args");
assert(calendar.iteratorExhausted[0], "iterated through the whole iterable");

15
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/calendar-fromfields-called-with-null-prototype-fields.js vendored
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@ -1,15 +0,0 @@
// Copyright (C) 2022 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: >
Calendar.monthDayFromFields method is called with a null-prototype fields object
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const calendar = TemporalHelpers.calendarCheckFieldsPrototypePollution();
const instance = new Temporal.ZonedDateTime(0n, "UTC", calendar);
instance.toPlainMonthDay();
assert.sameValue(calendar.monthDayFromFieldsCallCount, 1, "monthDayFromFields should have been called on the calendar");

16
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/calendar-monthdayfromfields-called-with-options-undefined.js vendored
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@ -1,16 +0,0 @@
// Copyright (C) 2022 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: >
Calendar.monthDayFromFields method is called with undefined as the options
value when call originates internally
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const calendar = TemporalHelpers.calendarFromFieldsUndefinedOptions();
const instance = new Temporal.ZonedDateTime(1_000_000_000_000_000_000n, "UTC", calendar);
instance.toPlainMonthDay();
assert.sameValue(calendar.monthDayFromFieldsCallCount, 1);

23
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/calendar-result.js vendored
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@ -1,23 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: TypeError thrown when calendar method returns an object with the wrong brand
info: |
MonthDayFromFields ( calendar, fields, options )
4. Perform ? RequireInternalSlot(monthDay, [[InitializedTemporalMonthDay]]).
features: [Temporal]
---*/
class CustomCalendar extends Temporal.Calendar {
constructor() {
super("iso8601");
}
monthDayFromFields() {
return {};
}
}
const zonedDateTime = new Temporal.ZonedDateTime(957270896123456789n, "UTC", new CustomCalendar());
assert.throws(TypeError, () => zonedDateTime.toPlainMonthDay());

13
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/constructor-in-calendar-fields.js vendored
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@ -1,13 +0,0 @@
// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: If a calendar's fields() method returns a field named 'constructor', PrepareTemporalFields should throw a RangeError.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const calendar = TemporalHelpers.calendarWithExtraFields(['constructor']);
const zoneddatetime = new Temporal.ZonedDateTime(1682892000000000000n, 'Europe/Madrid', calendar);
assert.throws(RangeError, () => zoneddatetime.toPlainMonthDay());

15
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/duplicate-calendar-fields.js vendored
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@ -1,15 +0,0 @@
// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: If a calendar's fields() method returns duplicate field names, PrepareTemporalFields should throw a RangeError.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
for (const extra_fields of [['foo', 'foo'], ['monthCode'], ['day']]) {
const calendar = TemporalHelpers.calendarWithExtraFields(extra_fields);
const zoneddatetime = new Temporal.ZonedDateTime(1682892000000000000n, 'Europe/Madrid', calendar);
assert.throws(RangeError, () => zoneddatetime.toPlainMonthDay());
}

25
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/length.js vendored
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@ -1,25 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: Temporal.ZonedDateTime.prototype.toPlainMonthDay.length is 0
info: |
Every built-in function object, including constructors, has a "length" property whose value is
an integer. Unless otherwise specified, this value is equal to the largest number of named
arguments shown in the subclause headings for the function description. Optional parameters
(which are indicated with brackets: [ ]) or rest parameters (which are shown using the form
«...name») are not included in the default argument count.
Unless otherwise specified, the "length" property of a built-in function object has the
attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }.
includes: [propertyHelper.js]
features: [Temporal]
---*/
verifyProperty(Temporal.ZonedDateTime.prototype.toPlainMonthDay, "length", {
value: 0,
writable: false,
enumerable: false,
configurable: true,
});

23
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/name.js vendored
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@ -1,23 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: Temporal.ZonedDateTime.prototype.toPlainMonthDay.name is "toPlainMonthDay".
info: |
Every built-in function object, including constructors, that is not identified as an anonymous
function has a "name" property whose value is a String. Unless otherwise specified, this value
is the name that is given to the function in this specification.
Unless otherwise specified, the "name" property of a built-in function object, if it exists,
has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }.
includes: [propertyHelper.js]
features: [Temporal]
---*/
verifyProperty(Temporal.ZonedDateTime.prototype.toPlainMonthDay, "name", {
value: "toPlainMonthDay",
writable: false,
enumerable: false,
configurable: true,
});

21
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/not-a-constructor.js vendored
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@ -1,21 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: >
Temporal.ZonedDateTime.prototype.toPlainMonthDay does not implement [[Construct]], is not new-able
info: |
Built-in function objects that are not identified as constructors do not implement the
[[Construct]] internal method unless otherwise specified in the description of a particular
function.
includes: [isConstructor.js]
features: [Reflect.construct, Temporal]
---*/
assert.throws(TypeError, () => {
new Temporal.ZonedDateTime.prototype.toPlainMonthDay();
}, "Calling as constructor");
assert.sameValue(isConstructor(Temporal.ZonedDateTime.prototype.toPlainMonthDay), false,
"isConstructor(Temporal.ZonedDateTime.prototype.toPlainMonthDay)");

48
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/order-of-operations.js vendored
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@ -1,48 +0,0 @@
// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: >
User-observable time zone and calendar accesses and calls in
toPlainMonthDay() happen the correct order
includes: [compareArray.js, temporalHelpers.js]
features: [Temporal]
---*/
const expected = [
"get this.calendar.fields",
"get this.calendar.monthDayFromFields",
"get this.timeZone.getOffsetNanosecondsFor",
"call this.timeZone.getOffsetNanosecondsFor",
"call this.calendar.fields",
"get this.calendar.day",
"call this.calendar.day",
"get this.calendar.monthCode",
"call this.calendar.monthCode",
"call this.calendar.monthDayFromFields",
];
const actual = [];
const timeZone = TemporalHelpers.timeZoneObserver(actual, "this.timeZone");
const calendar = TemporalHelpers.calendarObserver(actual, "this.calendar");
const instance = new Temporal.ZonedDateTime(0n, timeZone, calendar);
Object.defineProperties(instance, {
day: {
get() {
actual.push("get this.day");
return TemporalHelpers.toPrimitiveObserver(actual, 1, "this.day");
}
},
monthCode: {
get() {
actual.push("get this.monthCode");
return TemporalHelpers.toPrimitiveObserver(actual, "M01", "this.monthCode");
}
},
});
// clear observable operations that occurred during the constructor call
actual.splice(0);
instance.toPlainMonthDay();
assert.compareArray(actual, expected, "order of operations");

21
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/prop-desc.js vendored
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@ -1,21 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: The "toPlainMonthDay" property of Temporal.ZonedDateTime.prototype
includes: [propertyHelper.js]
features: [Temporal]
---*/
assert.sameValue(
typeof Temporal.ZonedDateTime.prototype.toPlainMonthDay,
"function",
"`typeof ZonedDateTime.prototype.toPlainMonthDay` is `function`"
);
verifyProperty(Temporal.ZonedDateTime.prototype, "toPlainMonthDay", {
writable: true,
enumerable: false,
configurable: true,
});

13
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/proto-in-calendar-fields.js vendored
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@ -1,13 +0,0 @@
// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: If a calendar's fields() method returns a field named '__proto__', PrepareTemporalFields should throw a RangeError.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const calendar = TemporalHelpers.calendarWithExtraFields(['__proto__']);
const zoneddatetime = new Temporal.ZonedDateTime(1682892000000000000n, 'Europe/Madrid', calendar);
assert.throws(RangeError, () => zoneddatetime.toPlainMonthDay());

15
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/timezone-getoffsetnanosecondsfor-non-integer.js vendored
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@ -1,15 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: RangeError thrown if time zone reports an offset that is not an integer number of nanoseconds
features: [Temporal]
includes: [temporalHelpers.js]
---*/
[3600_000_000_000.5, NaN, -Infinity, Infinity].forEach((wrongOffset) => {
const timeZone = TemporalHelpers.specificOffsetTimeZone(wrongOffset);
const datetime = new Temporal.ZonedDateTime(1_000_000_000_987_654_321n, timeZone);
assert.throws(RangeError, () => datetime.toPlainMonthDay());
});

19
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/timezone-getoffsetnanosecondsfor-not-callable.js vendored
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@ -1,19 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: TypeError thrown if timeZone.getOffsetNanosecondsFor is not callable
features: [BigInt, Symbol, Temporal, arrow-function]
---*/
[undefined, null, true, Math.PI, 'string', Symbol('sym'), 42n, {}].forEach((notCallable) => {
const timeZone = new Temporal.TimeZone("UTC");
const datetime = new Temporal.ZonedDateTime(1_000_000_000_987_654_321n, timeZone);
timeZone.getOffsetNanosecondsFor = notCallable;
assert.throws(
TypeError,
() => datetime.toPlainMonthDay(),
`Uncallable ${notCallable === null ? 'null' : typeof notCallable} getOffsetNanosecondsFor should throw TypeError`
);
});

15
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/timezone-getoffsetnanosecondsfor-out-of-range.js vendored
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@ -1,15 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: RangeError thrown if time zone reports an offset that is out of range
features: [Temporal]
includes: [temporalHelpers.js]
---*/
[-86400_000_000_000, 86400_000_000_000].forEach((wrongOffset) => {
const timeZone = TemporalHelpers.specificOffsetTimeZone(wrongOffset);
const datetime = new Temporal.ZonedDateTime(1_000_000_000_987_654_321n, timeZone);
assert.throws(RangeError, () => datetime.toPlainMonthDay());
});

24
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainMonthDay/timezone-getoffsetnanosecondsfor-wrong-type.js vendored
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@ -1,24 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainmonthday
description: TypeError thrown if time zone reports an offset that is not a Number
features: [Temporal]
includes: [temporalHelpers.js]
---*/
[
undefined,
null,
true,
"+01:00",
Symbol(),
3600_000_000_000n,
{},
{ valueOf() { return 3600_000_000_000; } },
].forEach((wrongOffset) => {
const timeZone = TemporalHelpers.specificOffsetTimeZone(wrongOffset);
const datetime = new Temporal.ZonedDateTime(1_000_000_000_987_654_321n, timeZone);
assert.throws(TypeError, () => datetime.toPlainMonthDay());
});

22
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/branding.js vendored
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@ -1,22 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: Throw a TypeError if the receiver is invalid
features: [Symbol, Temporal]
---*/
const toPlainYearMonth = Temporal.ZonedDateTime.prototype.toPlainYearMonth;
assert.sameValue(typeof toPlainYearMonth, "function");
assert.throws(TypeError, () => toPlainYearMonth.call(undefined), "undefined");
assert.throws(TypeError, () => toPlainYearMonth.call(null), "null");
assert.throws(TypeError, () => toPlainYearMonth.call(true), "true");
assert.throws(TypeError, () => toPlainYearMonth.call(""), "empty string");
assert.throws(TypeError, () => toPlainYearMonth.call(Symbol()), "symbol");
assert.throws(TypeError, () => toPlainYearMonth.call(1), "1");
assert.throws(TypeError, () => toPlainYearMonth.call({}), "plain object");
assert.throws(TypeError, () => toPlainYearMonth.call(Temporal.ZonedDateTime), "Temporal.ZonedDateTime");
assert.throws(TypeError, () => toPlainYearMonth.call(Temporal.ZonedDateTime.prototype), "Temporal.ZonedDateTime.prototype");

20
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/builtin-calendar-no-array-iteration.js vendored
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@ -1,20 +0,0 @@
// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: >
Calling the method on an instance constructed with a builtin calendar causes
no observable array iteration when getting the calendar fields.
features: [Temporal]
---*/
const arrayPrototypeSymbolIteratorOriginal = Array.prototype[Symbol.iterator];
Array.prototype[Symbol.iterator] = function arrayIterator() {
throw new Test262Error("Array should not be iterated");
}
const instance = new Temporal.ZonedDateTime(1_000_000_000_000_000_000n, "UTC", "iso8601");
instance.toPlainYearMonth();
Array.prototype[Symbol.iterator] = arrayPrototypeSymbolIteratorOriginal;

34
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/builtin-calendar-no-observable-calls.js vendored
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@ -1,34 +0,0 @@
// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: >
Calling the method on an instance constructed with a builtin calendar causes
no observable lookups or calls to calendar methods.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const fieldsOriginal = Object.getOwnPropertyDescriptor(Temporal.Calendar.prototype, "fields");
Object.defineProperty(Temporal.Calendar.prototype, "fields", {
configurable: true,
enumerable: false,
get() {
TemporalHelpers.assertUnreachable("fields should not be looked up");
},
});
const yearMonthFromFieldsOriginal = Object.getOwnPropertyDescriptor(Temporal.Calendar.prototype, "yearMonthFromFields");
Object.defineProperty(Temporal.Calendar.prototype, "yearMonthFromFields", {
configurable: true,
enumerable: false,
get() {
TemporalHelpers.assertUnreachable("yearMonthFromFields should not be looked up");
},
});
const instance = new Temporal.ZonedDateTime(1_000_000_000_000_000_000n, "UTC", "iso8601");
instance.toPlainYearMonth();
Object.defineProperty(Temporal.Calendar.prototype, "fields", fieldsOriginal);
Object.defineProperty(Temporal.Calendar.prototype, "yearMonthFromFields", yearMonthFromFieldsOriginal);

25
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/builtin-timezone-no-observable-calls.js vendored
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@ -1,25 +0,0 @@
// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: >
Calling the method on an instance constructed with a builtin time zone causes
no observable lookups or calls to time zone methods.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const getOffsetNanosecondsForOriginal = Object.getOwnPropertyDescriptor(Temporal.TimeZone.prototype, "getOffsetNanosecondsFor");
Object.defineProperty(Temporal.TimeZone.prototype, "getOffsetNanosecondsFor", {
configurable: true,
enumerable: false,
get() {
TemporalHelpers.assertUnreachable("getOffsetNanosecondsFor should not be looked up");
},
});
const instance = new Temporal.ZonedDateTime(1_000_000_000_000_000_000n, "UTC", "iso8601");
instance.toPlainYearMonth();
Object.defineProperty(Temporal.TimeZone.prototype, "getOffsetNanosecondsFor", getOffsetNanosecondsForOriginal);

33
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/builtin.js vendored
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@ -1,33 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: >
Tests that Temporal.ZonedDateTime.prototype.toPlainYearMonth
meets the requirements for built-in objects defined by the
introduction of chapter 17 of the ECMAScript Language Specification.
info: |
Built-in functions that are not constructors do not have a "prototype" property unless
otherwise specified in the description of a particular function.
Unless specified otherwise, a built-in object that is callable as a function is a built-in
function object with the characteristics described in 10.3. Unless specified otherwise, the
[[Extensible]] internal slot of a built-in object initially has the value true.
Unless otherwise specified every built-in function and every built-in constructor has the
Function prototype object [...] as the value of its [[Prototype]] internal slot.
features: [Temporal]
---*/
assert.sameValue(Object.isExtensible(Temporal.ZonedDateTime.prototype.toPlainYearMonth),
true, "Built-in objects must be extensible.");
assert.sameValue(Object.prototype.toString.call(Temporal.ZonedDateTime.prototype.toPlainYearMonth),
"[object Function]", "Object.prototype.toString");
assert.sameValue(Object.getPrototypeOf(Temporal.ZonedDateTime.prototype.toPlainYearMonth),
Function.prototype, "prototype");
assert.sameValue(Temporal.ZonedDateTime.prototype.toPlainYearMonth.hasOwnProperty("prototype"),
false, "prototype property");

29
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/calendar-arguments.js vendored
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@ -1,29 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: Correct options value is passed to calendar method
info: |
YearMonthFromFields ( calendar, fields [ , options ] )
3. If options is not present, then
a. Set options to undefined.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
class CustomCalendar extends Temporal.Calendar {
constructor() {
super("iso8601");
}
yearMonthFromFields(...args) {
assert.sameValue(args.length, 2, "args.length");
assert.sameValue(typeof args[0], "object", "args[0]");
assert.sameValue(args[1], undefined, "args[1]");
return super.yearMonthFromFields(...args);
}
}
const zonedDateTime = new Temporal.ZonedDateTime(957270896123456789n, "UTC", new CustomCalendar());
const result = zonedDateTime.toPlainYearMonth();
TemporalHelpers.assertPlainYearMonth(result, 2000, 5, "M05");

27
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/calendar-fields-iterable.js vendored
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@ -1,27 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: Verify the result of calendar.fields() is treated correctly.
info: |
sec-temporal.zoneddatetime.prototype.toplainyearmonth step 7:
7. Let _fieldNames_ be ? CalendarFields(_calendar_, « *"monthCode"*, *"year"* »).
sec-temporal-calendarfields step 4:
4. Let _result_ be ? IterableToList(_fieldsArray_).
includes: [compareArray.js, temporalHelpers.js]
features: [Temporal]
---*/
const expected = [
"monthCode",
"year",
];
const calendar = TemporalHelpers.calendarFieldsIterable();
const datetime = new Temporal.ZonedDateTime(1_000_000_000_000_000_000n, "UTC", calendar);
datetime.toPlainYearMonth();
assert.sameValue(calendar.fieldsCallCount, 1, "fields() method called once");
assert.compareArray(calendar.fieldsCalledWith[0], expected, "fields() method called with correct args");
assert(calendar.iteratorExhausted[0], "iterated through the whole iterable");

15
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/calendar-fromfields-called-with-null-prototype-fields.js vendored
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@ -1,15 +0,0 @@
// Copyright (C) 2022 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: >
Calendar.yearMonthFromFields method is called with a null-prototype fields object
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const calendar = TemporalHelpers.calendarCheckFieldsPrototypePollution();
const instance = new Temporal.ZonedDateTime(0n, "UTC", calendar);
instance.toPlainYearMonth();
assert.sameValue(calendar.yearMonthFromFieldsCallCount, 1, "yearMonthFromFields should have been called on the calendar");

23
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/calendar-result.js vendored
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@ -1,23 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: TypeError thrown when calendar method returns an object with the wrong brand
info: |
YearMonthFromFields ( calendar, fields [ , options ] )
4. Perform ? RequireInternalSlot(yearMonth, [[InitializedTemporalYearMonth]]).
features: [Temporal]
---*/
class CustomCalendar extends Temporal.Calendar {
constructor() {
super("iso8601");
}
yearMonthFromFields() {
return {};
}
}
const zonedDateTime = new Temporal.ZonedDateTime(957270896123456789n, "UTC", new CustomCalendar());
assert.throws(TypeError, () => zonedDateTime.toPlainYearMonth());

16
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/calendar-yearmonthfromfields-called-with-options-undefined.js vendored
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@ -1,16 +0,0 @@
// Copyright (C) 2022 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: >
Calendar.yearMonthFromFields method is called with undefined as the options
value when call originates internally
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const calendar = TemporalHelpers.calendarFromFieldsUndefinedOptions();
const instance = new Temporal.ZonedDateTime(1_000_000_000_000_000_000n, "UTC", calendar);
instance.toPlainYearMonth();
assert.sameValue(calendar.yearMonthFromFieldsCallCount, 1);

13
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/constructor-in-calendar-fields.js vendored
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@ -1,13 +0,0 @@
// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: If a calendar's fields() method returns a field named 'constructor', PrepareTemporalFields should throw a RangeError.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const calendar = TemporalHelpers.calendarWithExtraFields(['constructor']);
const zoneddatetime = new Temporal.ZonedDateTime(1682892000000000000n, 'Europe/Madrid', calendar);
assert.throws(RangeError, () => zoneddatetime.toPlainYearMonth());

15
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/duplicate-calendar-fields.js vendored
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@ -1,15 +0,0 @@
// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: If a calendar's fields() method returns duplicate field names, PrepareTemporalFields should throw a RangeError.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
for (const extra_fields of [['foo', 'foo'], ['monthCode'], ['year']]) {
const calendar = TemporalHelpers.calendarWithExtraFields(extra_fields);
const zoneddatetime = new Temporal.ZonedDateTime(1682892000000000000n, 'Europe/Madrid', calendar);
assert.throws(RangeError, () => zoneddatetime.toPlainYearMonth());
}

25
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/length.js vendored
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@ -1,25 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: Temporal.ZonedDateTime.prototype.toPlainYearMonth.length is 0
info: |
Every built-in function object, including constructors, has a "length" property whose value is
an integer. Unless otherwise specified, this value is equal to the largest number of named
arguments shown in the subclause headings for the function description. Optional parameters
(which are indicated with brackets: [ ]) or rest parameters (which are shown using the form
«...name») are not included in the default argument count.
Unless otherwise specified, the "length" property of a built-in function object has the
attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }.
includes: [propertyHelper.js]
features: [Temporal]
---*/
verifyProperty(Temporal.ZonedDateTime.prototype.toPlainYearMonth, "length", {
value: 0,
writable: false,
enumerable: false,
configurable: true,
});

23
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/name.js vendored
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@ -1,23 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: Temporal.ZonedDateTime.prototype.toPlainYearMonth.name is "toPlainYearMonth".
info: |
Every built-in function object, including constructors, that is not identified as an anonymous
function has a "name" property whose value is a String. Unless otherwise specified, this value
is the name that is given to the function in this specification.
Unless otherwise specified, the "name" property of a built-in function object, if it exists,
has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }.
includes: [propertyHelper.js]
features: [Temporal]
---*/
verifyProperty(Temporal.ZonedDateTime.prototype.toPlainYearMonth, "name", {
value: "toPlainYearMonth",
writable: false,
enumerable: false,
configurable: true,
});

21
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/not-a-constructor.js vendored
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@ -1,21 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: >
Temporal.ZonedDateTime.prototype.toPlainYearMonth does not implement [[Construct]], is not new-able
info: |
Built-in function objects that are not identified as constructors do not implement the
[[Construct]] internal method unless otherwise specified in the description of a particular
function.
includes: [isConstructor.js]
features: [Reflect.construct, Temporal]
---*/
assert.throws(TypeError, () => {
new Temporal.ZonedDateTime.prototype.toPlainYearMonth();
}, "Calling as constructor");
assert.sameValue(isConstructor(Temporal.ZonedDateTime.prototype.toPlainYearMonth), false,
"isConstructor(Temporal.ZonedDateTime.prototype.toPlainYearMonth)");

48
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/order-of-operations.js vendored
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@ -1,48 +0,0 @@
// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: >
User-observable time zone and calendar accesses and calls in
toPlainYearMonth() happen the correct order
includes: [compareArray.js, temporalHelpers.js]
features: [Temporal]
---*/
const expected = [
"get this.calendar.fields",
"get this.calendar.yearMonthFromFields",
"get this.timeZone.getOffsetNanosecondsFor",
"call this.timeZone.getOffsetNanosecondsFor",
"call this.calendar.fields",
"get this.calendar.monthCode",
"call this.calendar.monthCode",
"get this.calendar.year",
"call this.calendar.year",
"call this.calendar.yearMonthFromFields",
];
const actual = [];
const timeZone = TemporalHelpers.timeZoneObserver(actual, "this.timeZone");
const calendar = TemporalHelpers.calendarObserver(actual, "this.calendar");
const instance = new Temporal.ZonedDateTime(0n, timeZone, calendar);
Object.defineProperties(instance, {
monthCode: {
get() {
actual.push("get this.monthCode");
return TemporalHelpers.toPrimitiveObserver(actual, "M01", "this.monthCode");
}
},
year: {
get() {
actual.push("get this.year");
return TemporalHelpers.toPrimitiveObserver(actual, 1970, "this.year");
}
},
});
// clear observable operations that occurred during the constructor call
actual.splice(0);
instance.toPlainYearMonth();
assert.compareArray(actual, expected, "order of operations");

21
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/prop-desc.js vendored
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@ -1,21 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: The "toPlainYearMonth" property of Temporal.ZonedDateTime.prototype
includes: [propertyHelper.js]
features: [Temporal]
---*/
assert.sameValue(
typeof Temporal.ZonedDateTime.prototype.toPlainYearMonth,
"function",
"`typeof ZonedDateTime.prototype.toPlainYearMonth` is `function`"
);
verifyProperty(Temporal.ZonedDateTime.prototype, "toPlainYearMonth", {
writable: true,
enumerable: false,
configurable: true,
});

13
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/proto-in-calendar-fields.js vendored
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@ -1,13 +0,0 @@
// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: If a calendar's fields() method returns a field named '__proto__', PrepareTemporalFields should throw a RangeError.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const calendar = TemporalHelpers.calendarWithExtraFields(['__proto__']);
const zoneddatetime = new Temporal.ZonedDateTime(1682892000000000000n, 'Europe/Madrid', calendar);
assert.throws(RangeError, () => zoneddatetime.toPlainYearMonth());

15
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/timezone-getoffsetnanosecondsfor-non-integer.js vendored
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@ -1,15 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: RangeError thrown if time zone reports an offset that is not an integer number of nanoseconds
features: [Temporal]
includes: [temporalHelpers.js]
---*/
[3600_000_000_000.5, NaN, -Infinity, Infinity].forEach((wrongOffset) => {
const timeZone = TemporalHelpers.specificOffsetTimeZone(wrongOffset);
const datetime = new Temporal.ZonedDateTime(1_000_000_000_987_654_321n, timeZone);
assert.throws(RangeError, () => datetime.toPlainYearMonth());
});

19
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/timezone-getoffsetnanosecondsfor-not-callable.js vendored
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@ -1,19 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: TypeError thrown if timeZone.getOffsetNanosecondsFor is not callable
features: [BigInt, Symbol, Temporal, arrow-function]
---*/
[undefined, null, true, Math.PI, 'string', Symbol('sym'), 42n, {}].forEach((notCallable) => {
const timeZone = new Temporal.TimeZone("UTC");
const datetime = new Temporal.ZonedDateTime(1_000_000_000_987_654_321n, timeZone);
timeZone.getOffsetNanosecondsFor = notCallable;
assert.throws(
TypeError,
() => datetime.toPlainYearMonth(),
`Uncallable ${notCallable === null ? 'null' : typeof notCallable} getOffsetNanosecondsFor should throw TypeError`
);
});

15
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/timezone-getoffsetnanosecondsfor-out-of-range.js vendored
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@ -1,15 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: RangeError thrown if time zone reports an offset that is out of range
features: [Temporal]
includes: [temporalHelpers.js]
---*/
[-86400_000_000_000, 86400_000_000_000].forEach((wrongOffset) => {
const timeZone = TemporalHelpers.specificOffsetTimeZone(wrongOffset);
const datetime = new Temporal.ZonedDateTime(1_000_000_000_987_654_321n, timeZone);
assert.throws(RangeError, () => datetime.toPlainYearMonth());
});

24
test/built-ins/Temporal/ZonedDateTime/prototype/toPlainYearMonth/timezone-getoffsetnanosecondsfor-wrong-type.js vendored
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@ -1,24 +0,0 @@
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.toplainyearmonth
description: TypeError thrown if time zone reports an offset that is not a Number
features: [Temporal]
includes: [temporalHelpers.js]
---*/
[
undefined,
null,
true,
"+01:00",
Symbol(),
3600_000_000_000n,
{},
{ valueOf() { return 3600_000_000_000; } },
].forEach((wrongOffset) => {
const timeZone = TemporalHelpers.specificOffsetTimeZone(wrongOffset);
const datetime = new Temporal.ZonedDateTime(1_000_000_000_987_654_321n, timeZone);
assert.throws(TypeError, () => datetime.toPlainYearMonth());
});

48
test/staging/Temporal/ZonedDateTime/old/toPlainMonthDay.js
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@ -1,48 +0,0 @@
// Copyright (C) 2018 Bloomberg LP. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal-zoneddatetime-objects
description: Temporal.ZonedDateTime.prototype.toPlainMonthDay()
features: [Temporal]
---*/
var tz = new Temporal.TimeZone("-08:00");
// works
var zdt = Temporal.Instant.from("2019-10-29T09:46:38.271986102Z").toZonedDateTimeISO(tz);
assert.sameValue(`${ zdt.toPlainMonthDay() }`, "10-29");
// preserves the calendar
var fakeGregorian = {
id: 'gregory',
monthDayFromFields(fields) {
var md = Temporal.Calendar.from("iso8601").monthDayFromFields(fields);
var {isoYear, isoMonth, isoDay} = md.getISOFields();
return new Temporal.PlainMonthDay(isoMonth, isoDay, this, isoYear);
},
monthCode(date) { return date.withCalendar("iso8601").monthCode; },
day(date) { return date.withCalendar("iso8601").day; },
dateAdd() {},
dateFromFields() {},
dateUntil() {},
dayOfWeek() {},
dayOfYear() {},
daysInMonth() {},
daysInWeek() {},
daysInYear() {},
fields(fieldNames) { return fieldNames; },
inLeapYear() {},
mergeFields() {},
month() {},
monthsInYear() {},
weekOfYear() {},
year() {},
yearMonthFromFields() {},
yearOfWeek() {},
};
var zdt = Temporal.Instant.from("2019-10-29T09:46:38.271986102Z").toZonedDateTime({
timeZone: tz,
calendar: fakeGregorian
});
assert.sameValue(zdt.toPlainMonthDay().getCalendar(), fakeGregorian);

48
test/staging/Temporal/ZonedDateTime/old/toPlainYearMonth.js
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@ -1,48 +0,0 @@
// Copyright (C) 2018 Bloomberg LP. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal-zoneddatetime-objects
description: Temporal.ZonedDateTime.prototype.toPlainYearMonth()
features: [Temporal]
---*/
var tz = new Temporal.TimeZone("-08:00");
// works
var zdt = Temporal.Instant.from("2019-10-29T09:46:38.271986102Z").toZonedDateTimeISO(tz);
assert.sameValue(`${ zdt.toPlainYearMonth() }`, "2019-10");
// preserves the calendar
var fakeGregorian = {
id: 'gregory',
yearMonthFromFields(fields) {
var ym = Temporal.Calendar.from("iso8601").yearMonthFromFields(fields);
var {isoYear, isoMonth, isoDay} = ym.getISOFields();
return new Temporal.PlainYearMonth(isoYear, isoMonth, this, isoDay);
},
year(date) { return date.withCalendar("iso8601").year; },
monthCode(date) { return date.withCalendar("iso8601").monthCode; },
dateAdd() {},
dateFromFields() {},
dateUntil() {},
day() {},
dayOfWeek() {},
dayOfYear() {},
daysInMonth() {},
daysInWeek() {},
daysInYear() {},
fields(fieldNames) { return fieldNames; },
inLeapYear() {},
mergeFields() {},
month() {},
monthDayFromFields() {},
monthsInYear() {},
weekOfYear() {},
yearOfWeek() {},
};
var zdt = Temporal.Instant.from("2019-10-29T09:46:38.271986102Z").toZonedDateTime({
timeZone: tz,
calendar: fakeGregorian
});
assert.sameValue(zdt.toPlainYearMonth().getCalendar(), fakeGregorian);