Add 402 staging tests: Islamic & Persian calendars

Tests the changes in https://github.com/tc39/proposal-temporal/pull/2743

test/staging/Intl402/Temporal/old/islamic-calendars.js

@@ -0,0 +1,91 @@
+// Copyright (C) 2023 Justin Grant. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal-intl
+description: Islamic calendars (note there are 6 variants)
+features: [Temporal]
+---*/
+
+// Test data obtained from ICU
+
+const tests = [
+  {
+    calendar: "islamic",
+    inLeapYear: false,
+    daysInYear: 354,
+    daysInMonth12: 29,
+    isoYear: 2023,
+    isoMonth: 7,
+    isoDay: 18
+  },
+  {
+    calendar: "islamic-umalqura",
+    inLeapYear: false,
+    daysInYear: 354,
+    daysInMonth12: 30,
+    isoYear: 2023,
+    isoMonth: 7,
+    isoDay: 19
+  },
+  {
+    calendar: "islamic-civil",
+    inLeapYear: true,
+    daysInYear: 355,
+    daysInMonth12: 30,
+    isoYear: 2023,
+    isoMonth: 7,
+    isoDay: 19
+  },
+  {
+    calendar: "islamicc", // deprecated version of islamic-civil
+    inLeapYear: true,
+    daysInYear: 355,
+    daysInMonth12: 30,
+    isoYear: 2023,
+    isoMonth: 7,
+    isoDay: 19
+  },
+  {
+    calendar: "islamic-rgsa",
+    inLeapYear: false,
+    daysInYear: 354,
+    daysInMonth12: 29,
+    isoYear: 2023,
+    isoMonth: 7,
+    isoDay: 18
+  },
+  {
+    calendar: "islamic-tbla",
+    inLeapYear: true,
+    daysInYear: 355,
+    daysInMonth12: 30,
+    isoYear: 2023,
+    isoMonth: 7,
+    isoDay: 18
+  }
+];
+
+for (const test of tests) {
+  const { calendar, inLeapYear, daysInYear, daysInMonth12, isoYear, isoMonth, isoDay } = test;
+  const year = 1445;
+  const date = Temporal.PlainDate.from({ year, month: 1, day: 1, calendar });
+  const isoFields = date.getISOFields();
+  assert.sameValue(date.calendarId, calendar);
+  assert.sameValue(date.year, year);
+  assert.sameValue(date.month, 1);
+  assert.sameValue(date.monthCode, "M01");
+  assert.sameValue(date.day, 1);
+  assert.sameValue(date.inLeapYear, inLeapYear);
+  assert.sameValue(date.daysInYear, daysInYear);
+  assert.sameValue(date.monthsInYear, 12);
+  assert.sameValue(date.dayOfYear, 1);
+  const startOfNextYear = date.with({ year: year + 1 });
+  const lastDayOfThisYear = startOfNextYear.subtract({ days: 1 });
+  assert.sameValue(lastDayOfThisYear.dayOfYear, daysInYear);
+  const dateMonth12 = date.with({ month: 12 });
+  assert.sameValue(dateMonth12.daysInMonth, daysInMonth12);
+  assert.sameValue(isoYear, isoFields.isoYear);
+  assert.sameValue(isoMonth, isoFields.isoMonth);
+  assert.sameValue(isoDay, isoFields.isoDay);
+}

test/staging/Intl402/Temporal/old/persian-calendar.js

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+// Copyright (C) 2023 Justin Grant. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal-intl
+description: Persian calendar
+features: [Temporal]
+---*/
+
+// Test data obtained from ICU
+
+const tests = [
+  {
+    testYear: 1395,
+    inLeapYear: true,
+    daysInYear: 366,
+    daysInMonth12: 30,
+    isoYear: 2016,
+    isoMonth: 3,
+    isoDay: 20
+  },
+  {
+    testYear: 1396,
+    inLeapYear: false,
+    daysInYear: 365,
+    daysInMonth12: 29,
+    isoYear: 2017,
+    isoMonth: 3,
+    isoDay: 21
+  },
+  {
+    testYear: 1397,
+    inLeapYear: false,
+    daysInYear: 365,
+    daysInMonth12: 29,
+    isoYear: 2018,
+    isoMonth: 3,
+    isoDay: 21
+  },
+  {
+    testYear: 1398,
+    inLeapYear: false,
+    daysInYear: 365,
+    daysInMonth12: 29,
+    isoYear: 2019,
+    isoMonth: 3,
+    isoDay: 21
+  },
+  {
+    testYear: 1399,
+    inLeapYear: true,
+    daysInYear: 366,
+    daysInMonth12: 30,
+    isoYear: 2020,
+    isoMonth: 3,
+    isoDay: 20
+  },
+  {
+    testYear: 1400,
+    inLeapYear: false,
+    daysInYear: 365,
+    daysInMonth12: 29,
+    isoYear: 2021,
+    isoMonth: 3,
+    isoDay: 21
+  }
+];
+
+for (const test of tests) {
+  const { testYear, inLeapYear, daysInYear, daysInMonth12, isoYear, isoMonth, isoDay } = test;
+  const date = Temporal.PlainDate.from({ year: testYear, month: 1, day: 1, calendar: "persian" });
+  const isoFields = date.getISOFields();
+  assert.sameValue(date.calendarId, "persian");
+  assert.sameValue(date.year, testYear);
+  assert.sameValue(date.month, 1);
+  assert.sameValue(date.monthCode, "M01");
+  assert.sameValue(date.day, 1);
+  assert.sameValue(date.inLeapYear, inLeapYear);
+  assert.sameValue(date.daysInYear, daysInYear);
+  assert.sameValue(date.monthsInYear, 12);
+  assert.sameValue(date.dayOfYear, 1);
+  const startOfNextYear = date.with({ year: testYear + 1 });
+  const lastDayOfThisYear = startOfNextYear.subtract({ days: 1 });
+  assert.sameValue(lastDayOfThisYear.dayOfYear, daysInYear);
+  const dateMonth12 = date.with({ month: 12 });
+  assert.sameValue(dateMonth12.daysInMonth, daysInMonth12);
+  assert.sameValue(isoYear, isoFields.isoYear);
+  assert.sameValue(isoMonth, isoFields.isoMonth);
+  assert.sameValue(isoDay, isoFields.isoDay);
+}