Temporal: Extend PlainDate#{since,until} coverage. (#3581)

test/built-ins/Temporal/PlainDate/prototype/since/calendar-invalid-return.js

@@ -0,0 +1,36 @@
+// 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.plaindate.prototype.since
+description: Throw when the returned value from the calendar's dateUntil method is not a Duration.
+features: [Temporal]
+---*/
+
+class CustomCalendar extends Temporal.Calendar {
+  constructor(value) {
+    super("iso8601");
+    this.value = value;
+  }
+  dateUntil() {
+    return this.value;
+  }
+}
+
+const tests = [
+  [undefined],
+  [null, "null"],
+  [true],
+  ["2000-05"],
+  [Symbol()],
+  [200005],
+  [200005n],
+  [{}, "plain object"],
+  [() => {}, "lambda"],
+  [Temporal.Duration, "Temporal.Duration"],
+  [Temporal.Duration.prototype, "Temporal.Duration.prototype"],
+];
+for (const [test, description = typeof test] of tests) {
+  const plainDate = new Temporal.PlainDate(2000, 5, 2, new CustomCalendar(test));
+  assert.throws(TypeError, () => plainDate.since("2022-06-20"), `Expected error with ${description}`);
+}

test/built-ins/Temporal/PlainDate/prototype/since/custom.js

@@ -0,0 +1,32 @@
+// 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.plaindate.prototype.since
+description: Basic tests with custom calendar
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const result = new Temporal.Duration(1, 3, 5, 7, 9);
+const options = {};
+let calls = 0;
+class CustomCalendar extends Temporal.Calendar {
+  constructor() {
+    super("iso8601");
+  }
+  dateUntil(...args) {
+    ++calls;
+    assert.sameValue(args.length, 3, "Three arguments");
+    assert.sameValue(args[0], plainDate, "First argument");
+    assert.sameValue(args[1], other, "Second argument");
+    assert.sameValue(args[2].largestUnit, "day", "Third argument: largestUnit");
+    return result;
+  }
+}
+const calendar = new CustomCalendar();
+const plainDate = new Temporal.PlainDate(1976, 11, 18, calendar);
+const other = new Temporal.PlainDate(2022, 6, 20, calendar);
+TemporalHelpers.assertDuration(plainDate.since(other, options),
+  -1, -3, -5, -7, 0, 0, 0, 0, 0, 0, "result");
+assert.sameValue(calls, 1);

test/built-ins/Temporal/PlainDate/prototype/until/calendar-invalid-return.js

@@ -0,0 +1,36 @@
+// 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.plaindate.prototype.until
+description: Throw when the returned value from the calendar's dateUntil method is not a Duration.
+features: [Temporal]
+---*/
+
+class CustomCalendar extends Temporal.Calendar {
+  constructor(value) {
+    super("iso8601");
+    this.value = value;
+  }
+  dateUntil() {
+    return this.value;
+  }
+}
+
+const tests = [
+  [undefined],
+  [null, "null"],
+  [true],
+  ["2000-05"],
+  [Symbol()],
+  [200005],
+  [200005n],
+  [{}, "plain object"],
+  [() => {}, "lambda"],
+  [Temporal.Duration, "Temporal.Duration"],
+  [Temporal.Duration.prototype, "Temporal.Duration.prototype"],
+];
+for (const [test, description = typeof test] of tests) {
+  const plainDate = new Temporal.PlainDate(2000, 5, 2, new CustomCalendar(test));
+  assert.throws(TypeError, () => plainDate.until("2022-06-20"), `Expected error with ${description}`);
+}

test/built-ins/Temporal/PlainDate/prototype/until/custom.js

@@ -0,0 +1,32 @@
+// 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.plaindate.prototype.until
+description: Basic tests with custom calendar
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const result = new Temporal.Duration(1, 3, 5, 7, 9);
+const options = {};
+let calls = 0;
+class CustomCalendar extends Temporal.Calendar {
+  constructor() {
+    super("iso8601");
+  }
+  dateUntil(...args) {
+    ++calls;
+    assert.sameValue(args.length, 3, "Three arguments");
+    assert.sameValue(args[0], plainDate, "First argument");
+    assert.sameValue(args[1], other, "Second argument");
+    assert.sameValue(args[2].largestUnit, "day", "Third argument: largestUnit");
+    return result;
+  }
+}
+const calendar = new CustomCalendar();
+const plainDate = new Temporal.PlainDate(1976, 11, 18, calendar);
+const other = new Temporal.PlainDate(2022, 6, 20, calendar);
+TemporalHelpers.assertDuration(plainDate.until(other, options),
+  1, 3, 5, 7, 0, 0, 0, 0, 0, 0, "result");
+assert.sameValue(calls, 1);