Add tests for PlainMonthDay#toString().

polyfill/test/PlainMonthDay/prototype/toString/calendarname-always.js

@@ -0,0 +1,22 @@
+// 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.plainmonthday.protoype.tostring
+description: If calendarName is "always", the calendar ID should be included.
+features: [Temporal]
+---*/
+
+const tests = [
+  [[], "05-02[u-ca=iso8601]"],
+  [[{ toString() { return "custom"; } }], "1972-05-02[u-ca=custom]"],
+  [[{ toString() { return "iso8601"; } }], "05-02[u-ca=iso8601]"],
+  [[{ toString() { return "ISO8601"; } }], "1972-05-02[u-ca=ISO8601]"],
+  [[{ toString() { return "\u0131so8601"; } }], "1972-05-02[u-ca=\u0131so8601]"], // dotless i
+];
+
+for (const [args, expected] of tests) {
+  const monthday = new Temporal.PlainMonthDay(5, 2, ...args);
+  const result = monthday.toString({ calendarName: "always" });
+  assert.sameValue(result, expected);
+}

polyfill/test/PlainMonthDay/prototype/toString/calendarname-auto.js

@@ -0,0 +1,22 @@
+// 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.plainmonthday.protoype.tostring
+description: If calendarName is "auto", "iso8601" should be omitted.
+features: [Temporal]
+---*/
+
+const tests = [
+  [[], "05-02"],
+  [[{ toString() { return "custom"; } }], "1972-05-02[u-ca=custom]"],
+  [[{ toString() { return "iso8601"; } }], "05-02"],
+  [[{ toString() { return "ISO8601"; } }], "1972-05-02[u-ca=ISO8601]"],
+  [[{ toString() { return "\u0131so8601"; } }], "1972-05-02[u-ca=\u0131so8601]"], // dotless i
+];
+
+for (const [args, expected] of tests) {
+  const monthday = new Temporal.PlainMonthDay(5, 2, ...args);
+  const result = monthday.toString({ calendarName: "auto" });
+  assert.sameValue(result, expected);
+}

polyfill/test/PlainMonthDay/prototype/toString/calendarname-never.js

@@ -0,0 +1,22 @@
+// 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.plainmonthday.protoype.tostring
+description: If calendarName is "never", the calendar ID should be omitted.
+features: [Temporal]
+---*/
+
+const tests = [
+  [[], "05-02"],
+  [[{ toString() { return "custom"; } }], "1972-05-02"],
+  [[{ toString() { return "iso8601"; } }], "05-02"],
+  [[{ toString() { return "ISO8601"; } }], "1972-05-02"],
+  [[{ toString() { return "\u0131so8601"; } }], "1972-05-02"], // dotless i
+];
+
+for (const [args, expected] of tests) {
+  const monthday = new Temporal.PlainMonthDay(5, 2, ...args);
+  const result = monthday.toString({ calendarName: "never" });
+  assert.sameValue(result, expected);
+}

polyfill/test/PlainMonthDay/prototype/toString/calendarname-undefined.js

@@ -14,19 +14,19 @@ info: |
 features: [Temporal]
 ---*/
 
-const calendar = {
-  toString() { return "custom"; }
-};
-const monthday1 = new Temporal.PlainMonthDay(5, 2);
-const monthday2 = new Temporal.PlainMonthDay(5, 2, calendar);
+const tests = [
+  [[], "05-02"],
+  [[{ toString() { return "custom"; } }], "1972-05-02[u-ca=custom]"],
+  [[{ toString() { return "iso8601"; } }], "05-02"],
+  [[{ toString() { return "ISO8601"; } }], "1972-05-02[u-ca=ISO8601]"],
+  [[{ toString() { return "\u0131so8601"; } }], "1972-05-02[u-ca=\u0131so8601]"], // dotless i
+];
 
-[
-  [monthday1, "05-02"],
-  [monthday2, "1972-05-02[u-ca=custom]"],
-].forEach(([monthday, expected]) => {
+for (const [args, expected] of tests) {
+  const monthday = new Temporal.PlainMonthDay(5, 2, ...args);
   const explicit = monthday.toString({ calendarName: undefined });
   assert.sameValue(explicit, expected, "default calendarName option is auto");
 
   const implicit = monthday.toString({});
   assert.sameValue(implicit, expected, "default calendarName option is auto");
-});
+}

polyfill/test/PlainMonthDay/prototype/toString/options-undefined.js

@@ -6,19 +6,19 @@ esid: sec-temporal.plainmonthday.prototype.tostring
 features: [Temporal]
 ---*/
 
-const calendar = {
-  toString() { return "custom"; }
-};
-const monthday1 = new Temporal.PlainMonthDay(5, 2);
-const monthday2 = new Temporal.PlainMonthDay(5, 2, calendar);
+const tests = [
+  [[], "05-02"],
+  [[{ toString() { return "custom"; } }], "1972-05-02[u-ca=custom]"],
+  [[{ toString() { return "iso8601"; } }], "05-02"],
+  [[{ toString() { return "ISO8601"; } }], "1972-05-02[u-ca=ISO8601]"],
+  [[{ toString() { return "\u0131so8601"; } }], "1972-05-02[u-ca=\u0131so8601]"], // dotless i
+];
 
-[
-  [monthday1, "05-02"],
-  [monthday2, "1972-05-02[u-ca=custom]"],
-].forEach(([monthday, expected]) => {
+for (const [args, expected] of tests) {
+  const monthday = new Temporal.PlainMonthDay(5, 2, ...args);
   const explicit = monthday.toString(undefined);
   assert.sameValue(explicit, expected, "default calendarName option is auto");
 
   const implicit = monthday.toString();
   assert.sameValue(implicit, expected, "default calendarName option is auto");
-});
+}

polyfill/test/plainmonthday.mjs

@@ -179,25 +179,6 @@ describe('MonthDay', () => {
       equal(`${leapDay.toPlainDate({ year: 2019 }, { overflow: 'constrain' })}`, '2019-02-28');
     });
   });
-  describe('MonthDay.toString()', () => {
-    const md1 = PlainMonthDay.from('11-18');
-    const md2 = PlainMonthDay.from({ monthCode: 'M11', day: 18, calendar: 'gregory' });
-    it('shows only non-ISO calendar if calendarName = auto', () => {
-      equal(md1.toString({ calendarName: 'auto' }), '11-18');
-      equal(md2.toString({ calendarName: 'auto' }), '1972-11-18[u-ca=gregory]');
-    });
-    it('shows ISO calendar if calendarName = always', () => {
-      equal(md1.toString({ calendarName: 'always' }), '11-18[u-ca=iso8601]');
-    });
-    it('omits non-ISO calendar, but not year, if calendarName = never', () => {
-      equal(md1.toString({ calendarName: 'never' }), '11-18');
-      equal(md2.toString({ calendarName: 'never' }), '1972-11-18');
-    });
-    it('default is calendar = auto', () => {
-      equal(md1.toString(), '11-18');
-      equal(md2.toString(), '1972-11-18[u-ca=gregory]');
-    });
-  });
 });
 
 import { normalize } from 'path';