Add tests for Temporal.Calendar.p*.weekOfYear

test/built-ins/Temporal/Calendar/prototype/weekOfYear/plain-date-time.js

@@ -0,0 +1,75 @@
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-temporal.calendar.prototype.weekofyear
+description: Temporal.Calendar.prototype.weekofyear will take Temporal.PlainDateTime object
+  and return the week of year of that date.
+info: |
+  4. Let temporalDate be ? ToTemporalDate(temporalDateLike).
+  5. Return 𝔽(! ToISOWeekOfYear(temporalDate.[[ISOYear]], temporalDate.[[ISOMonth]], temporalDate.[[ISODay]])).
+features: [Temporal]
+---*/
+let cal = new Temporal.Calendar("iso8601");
+
+// From https://en.wikipedia.org/wiki/ISO_week_date#Relation_with_the_Gregorian_calendar
+let dt = new Temporal.PlainDateTime(1977, 1, 1, 9, 8);
+assert.sameValue(cal.weekOfYear(dt), 53, "1977-01-01 should w53");
+
+dt = new Temporal.PlainDateTime(1977, 1, 2, 9, 8);
+assert.sameValue(cal.weekOfYear(dt), 53, "1977-01-02 should w53");
+
+
+dt = new Temporal.PlainDateTime(1977, 12, 31, 9, 8);
+assert.sameValue(cal.weekOfYear(dt), 52, "1977-12-31 should w52");
+
+dt = new Temporal.PlainDateTime(1978, 1, 1, 9, 8);
+assert.sameValue(cal.weekOfYear(dt), 52, "1978-01-01 should w52");
+
+dt = new Temporal.PlainDateTime(1978, 1, 2, 9, 8);
+assert.sameValue(cal.weekOfYear(dt), 1, "1978-01-02 should w01");
+
+
+dt = new Temporal.PlainDateTime(1978, 12, 31, 9, 8);
+assert.sameValue(cal.weekOfYear(dt), 52, "1978-12-31 should w52");
+
+dt = new Temporal.PlainDateTime(1979, 1, 1, 9, 8);
+assert.sameValue(cal.weekOfYear(dt), 1, "1979-01-01 should w01");
+
+
+dt = new Temporal.PlainDateTime(1979, 12, 30, 9, 8);
+assert.sameValue(cal.weekOfYear(dt), 52, "1979-12-30 should w52");
+
+dt = new Temporal.PlainDateTime(1979, 12, 31, 9, 8);
+assert.sameValue(cal.weekOfYear(dt), 1, "1979-12-31 should w01");
+
+dt = new Temporal.PlainDateTime(1980, 1, 1, 9, 8);
+assert.sameValue(cal.weekOfYear(dt), 1, "1980-01-01 should w01");
+
+
+dt = new Temporal.PlainDateTime(1980, 12, 28, 9, 8);
+assert.sameValue(cal.weekOfYear(dt), 52, "1980-12-28 should w52");
+
+dt = new Temporal.PlainDateTime(1980, 12, 29, 9, 8);
+assert.sameValue(cal.weekOfYear(dt), 1, "1980-12-29 should w01");
+
+dt = new Temporal.PlainDateTime(1980, 12, 30, 9, 8);
+assert.sameValue(cal.weekOfYear(dt), 1, "1980-12-30 should w01");
+
+dt = new Temporal.PlainDateTime(1980, 12, 31, 9, 8);
+assert.sameValue(cal.weekOfYear(dt), 1, "1980-12-31 should w01");
+
+dt = new Temporal.PlainDateTime(1981, 1, 1, 9, 8);
+assert.sameValue(cal.weekOfYear(dt), 1, "1981-01-01 should w01");
+
+
+dt = new Temporal.PlainDateTime(1981, 12, 31, 9, 8);
+assert.sameValue(cal.weekOfYear(dt), 53, "1981-12-31 should w53");
+
+dt = new Temporal.PlainDateTime(1982, 1, 1, 9, 8);
+assert.sameValue(cal.weekOfYear(dt), 53, "1982-01-01 should w53");
+
+dt = new Temporal.PlainDateTime(1982, 1, 2, 9, 8);
+assert.sameValue(cal.weekOfYear(dt), 53, "1982-01-02 should w53");
+
+dt = new Temporal.PlainDateTime(1982, 1, 3, 9, 8);
+assert.sameValue(cal.weekOfYear(dt), 53, "1982-01-03 should w53");

test/built-ins/Temporal/Calendar/prototype/weekOfYear/plain-date.js

@@ -0,0 +1,75 @@
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-temporal.calendar.prototype.weekofyear
+description: Temporal.Calendar.prototype.weekofyear will take Temporal.PlainDate object
+  and return the week of year of that date.
+info: |
+  4. Let temporalDate be ? ToTemporalDate(temporalDateLike).
+  5. Return 𝔽(! ToISOWeekOfYear(temporalDate.[[ISOYear]], temporalDate.[[ISOMonth]], temporalDate.[[ISODay]])).
+features: [Temporal]
+---*/
+let cal = new Temporal.Calendar("iso8601");
+
+// From https://en.wikipedia.org/wiki/ISO_week_date#Relation_with_the_Gregorian_calendar
+let d = new Temporal.PlainDate(1977, 1, 1);
+assert.sameValue(cal.weekOfYear(d), 53);
+
+d = new Temporal.PlainDate(1977, 1, 2);
+assert.sameValue(cal.weekOfYear(d), 53);
+
+
+d = new Temporal.PlainDate(1977, 12, 31);
+assert.sameValue(cal.weekOfYear(d), 52);
+
+d = new Temporal.PlainDate(1978, 1, 1);
+assert.sameValue(cal.weekOfYear(d), 52);
+
+d = new Temporal.PlainDate(1978, 1, 2);
+assert.sameValue(cal.weekOfYear(d), 1);
+
+
+d = new Temporal.PlainDate(1978, 12, 31);
+assert.sameValue(cal.weekOfYear(d), 52);
+
+d = new Temporal.PlainDate(1979, 1, 1);
+assert.sameValue(cal.weekOfYear(d), 1);
+
+
+d = new Temporal.PlainDate(1979, 12, 30);
+assert.sameValue(cal.weekOfYear(d), 52);
+
+d = new Temporal.PlainDate(1979, 12, 31);
+assert.sameValue(cal.weekOfYear(d), 1);
+
+d = new Temporal.PlainDate(1980, 1, 1);
+assert.sameValue(cal.weekOfYear(d), 1);
+
+
+d = new Temporal.PlainDate(1980, 12, 28);
+assert.sameValue(cal.weekOfYear(d), 52);
+
+d = new Temporal.PlainDate(1980, 12, 29);
+assert.sameValue(cal.weekOfYear(d), 1);
+
+d = new Temporal.PlainDate(1980, 12, 30);
+assert.sameValue(cal.weekOfYear(d), 1);
+
+d = new Temporal.PlainDate(1980, 12, 31);
+assert.sameValue(cal.weekOfYear(d), 1);
+
+d = new Temporal.PlainDate(1981, 1, 1);
+assert.sameValue(cal.weekOfYear(d), 1);
+
+
+d = new Temporal.PlainDate(1981, 12, 31);
+assert.sameValue(cal.weekOfYear(d), 53);
+
+d = new Temporal.PlainDate(1982, 1, 1);
+assert.sameValue(cal.weekOfYear(d), 53);
+
+d = new Temporal.PlainDate(1982, 1, 2);
+assert.sameValue(cal.weekOfYear(d), 53);
+
+d = new Temporal.PlainDate(1982, 1, 3);
+assert.sameValue(cal.weekOfYear(d), 53);

test/built-ins/Temporal/Calendar/prototype/weekOfYear/string.js

@@ -0,0 +1,38 @@
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-temporal.calendar.prototype.weekofyear
+description: Temporal.Calendar.prototype.weekofyear will take Temporal.PlainDate object
+  and return the week of year of that date.
+info: |
+  4. Let temporalDate be ? ToTemporalDate(temporalDateLike).
+  5. Return 𝔽(! ToISOWeekOfYear(temporalDate.[[ISOYear]], temporalDate.[[ISOMonth]], temporalDate.[[ISODay]])).
+features: [Temporal]
+---*/
+let cal = new Temporal.Calendar("iso8601");
+
+// From https://en.wikipedia.org/wiki/ISO_week_date#Relation_with_the_Gregorian_calendar
+assert.sameValue(cal.weekOfYear("1977-01-01"), 53);
+assert.sameValue(cal.weekOfYear("1977-01-02"), 53);
+
+assert.sameValue(cal.weekOfYear("1977-12-31"), 52);
+assert.sameValue(cal.weekOfYear("1978-01-01"), 52);
+assert.sameValue(cal.weekOfYear("1978-01-02"), 1);
+
+assert.sameValue(cal.weekOfYear("1978-12-31"), 52);
+assert.sameValue(cal.weekOfYear("1979-01-01"), 1);
+
+assert.sameValue(cal.weekOfYear("1979-12-30"), 52);
+assert.sameValue(cal.weekOfYear("1979-12-31"), 1);
+assert.sameValue(cal.weekOfYear("1980-01-01"), 1);
+
+assert.sameValue(cal.weekOfYear("1980-12-28"), 52);
+assert.sameValue(cal.weekOfYear("1980-12-29"), 1);
+assert.sameValue(cal.weekOfYear("1980-12-30"), 1);
+assert.sameValue(cal.weekOfYear("1980-12-31"), 1);
+assert.sameValue(cal.weekOfYear("1981-01-01"), 1);
+
+assert.sameValue(cal.weekOfYear("1981-12-31"), 53);
+assert.sameValue(cal.weekOfYear("1982-01-01"), 53);
+assert.sameValue(cal.weekOfYear("1982-01-02"), 53);
+assert.sameValue(cal.weekOfYear("1982-01-03"), 53);

test/built-ins/Temporal/Calendar/prototype/weekOfYear/throw-range-error-from-ToTemporalDate.js

@@ -0,0 +1,15 @@
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-temporal.calendar.prototype.weekofyear
+description: Temporal.Calendar.prototype.weekofyear should throw from ToTemporalDate
+  if temporalDateLike is invalid
+  does not have [[InitializedTemporalCalendar]].
+info: |
+  4. Let temporalDate be ? ToTemporalDate(temporalDateLike).
+features: [Temporal]
+---*/
+let cal = new Temporal.Calendar("iso8601");
+
+assert.throws(RangeError, () => cal.weekOfYear("invalid iso8601"),
+    "RangeError should be thrown by ToTemporalDate if temporalDateLike is not valid");

test/built-ins/Temporal/Calendar/prototype/weekOfYear/throw-type-error-from-RequireInternalSlot.js

@@ -0,0 +1,15 @@
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-temporal.calendar.prototype.weekofyear
+description: Temporal.Calendar.prototype.weekofyear should throw from RequireInternalSlot if calendar
+  does not have [[InitializedTemporalCalendar]].
+info: |
+  2. Perform ? RequireInternalSlot(calendar, [[InitializedTemporalCalendar]]).
+features: [Temporal]
+---*/
+let cal = new Temporal.Calendar("iso8601");
+
+let badCal = {weekOfYear: cal.weekOfYear};
+assert.throws(TypeError, () => badCal.weekOfYear("2021-07-20"),
+    "calendar does not have [[InitializedTemporalCalendar]]");