Port tests for PlainYearMonth#{add,subtract}.

test/built-ins/Temporal/PlainYearMonth/prototype/add/argument-duration-object.js

@@ -0,0 +1,13 @@
+// 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.plainyearmonth.prototype.add
+description: A Duration object is supported as the argument
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const nov94 = Temporal.PlainYearMonth.from("1994-11");
+const diff = Temporal.Duration.from("P18Y7M");
+TemporalHelpers.assertPlainYearMonth(nov94.add(diff), 2013, 6, "M06");

test/built-ins/Temporal/PlainYearMonth/prototype/add/argument-lower-units.js

@@ -0,0 +1,38 @@
+// 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.plainyearmonth.prototype.add
+description: Using lower units in add() works
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const ym = Temporal.PlainYearMonth.from("2019-11");
+
+const tests = [
+  [{ days: 1 }, 2019, 11, "M11"],
+  [{ days: 29 }, 2019, 11, "M11"],
+  [{ hours: 1 }, 2019, 11, "M11"],
+  [{ minutes: 1 }, 2019, 11, "M11"],
+  [{ seconds: 1 }, 2019, 11, "M11"],
+  [{ milliseconds: 1 }, 2019, 11, "M11"],
+  [{ microseconds: 1 }, 2019, 11, "M11"],
+  [{ nanoseconds: 1 }, 2019, 11, "M11"],
+  [{ days: 30 }, 2019, 12, "M12"],
+  [{ days: 31 }, 2019, 12, "M12"],
+  [{ days: 60 }, 2019, 12, "M12"],
+  [{ days: 61 }, 2020, 1, "M01"],
+  [{ hours: 720 }, 2019, 12, "M12"],
+  [{ minutes: 43200 }, 2019, 12, "M12"],
+  [{ seconds: 2592000 }, 2019, 12, "M12"],
+  [{ milliseconds: 2592000_000 }, 2019, 12, "M12"],
+  [{ microseconds: 2592000_000_000 }, 2019, 12, "M12"],
+  [{ nanoseconds: 2592000_000_000_000 }, 2019, 12, "M12"],
+];
+
+for (const [argument, ...expected] of tests) {
+  TemporalHelpers.assertPlainYearMonth(ym.add(argument), ...expected, "no options");
+  TemporalHelpers.assertPlainYearMonth(ym.add(argument, { overflow: "constrain" }), ...expected, "constrain");
+  TemporalHelpers.assertPlainYearMonth(ym.add(argument, { overflow: "reject" }), ...expected, "reject");
+}

test/built-ins/Temporal/PlainYearMonth/prototype/add/argument-object-invalid.js

@@ -0,0 +1,16 @@
+// 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.plainyearmonth.prototype.add
+description: Mixed positive and negative values or missing properties always throw
+features: [Temporal]
+---*/
+
+const ym = Temporal.PlainYearMonth.from("2019-11");
+for (const overflow of ["constrain", "reject"]) {
+  assert.throws(RangeError, () => ym.add({ years: 1, months: -6 }, { overflow }), overflow)
+}
+
+assert.throws(TypeError, () => ym.add({}), "no properties");
+assert.throws(TypeError, () => ym.add({ month: 12 }), "only singular 'month' property");

test/built-ins/Temporal/PlainYearMonth/prototype/add/argument-object-plural.js

@@ -0,0 +1,12 @@
+// 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.plainyearmonth.prototype.add
+description: Singular properties are ignored
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const ym = Temporal.PlainYearMonth.from("2019-11");
+TemporalHelpers.assertPlainYearMonth(ym.add({ month: 1, years: 1 }), 2020, 11, "M11");

test/built-ins/Temporal/PlainYearMonth/prototype/add/argument-object.js

@@ -0,0 +1,24 @@
+// 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.plainyearmonth.prototype.add
+description: Passing an object to add() works
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const ym = Temporal.PlainYearMonth.from("2019-11");
+
+const tests = [
+  [{ months: 2 }, 2020, 1, "M01"],
+  [{ years: 1 }, 2020, 11, "M11"],
+  [{ months: -2 }, 2019, 9, "M09"],
+  [{ years: -1 }, 2018, 11, "M11"],
+];
+
+for (const [argument, ...expected] of tests) {
+  TemporalHelpers.assertPlainYearMonth(ym.add(argument), ...expected, "no options");
+  TemporalHelpers.assertPlainYearMonth(ym.add(argument, { overflow: "constrain" }), ...expected, "constrain");
+  TemporalHelpers.assertPlainYearMonth(ym.add(argument, { overflow: "reject" }), ...expected, "reject");
+}

test/built-ins/Temporal/PlainYearMonth/prototype/add/limits.js

@@ -0,0 +1,13 @@
+// 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.plainyearmonth.prototype.add
+description: RangeError thrown when going out of range
+features: [Temporal]
+---*/
+
+const max = Temporal.PlainYearMonth.from("+275760-09");
+for (const overflow of ["reject", "constrain"]) {
+  assert.throws(RangeError, () => max.add({ months: 1 }, { overflow }), overflow);
+}

test/built-ins/Temporal/PlainYearMonth/prototype/add/month-length.js

@@ -0,0 +1,28 @@
+// 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.plainyearmonth.prototype.add
+description: add() takes month length into account
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const ym = Temporal.PlainYearMonth.from("2019-11");
+
+TemporalHelpers.assertPlainYearMonth(Temporal.PlainYearMonth.from("2019-02").add({ days: 27 }),
+  2019, 2, "M02");
+TemporalHelpers.assertPlainYearMonth(Temporal.PlainYearMonth.from("2019-02").add({ days: 28 }),
+  2019, 3, "M03");
+TemporalHelpers.assertPlainYearMonth(Temporal.PlainYearMonth.from("2020-02").add({ days: 28 }),
+  2020, 2, "M02");
+TemporalHelpers.assertPlainYearMonth(Temporal.PlainYearMonth.from("2020-02").add({ days: 29 }),
+  2020, 3, "M03");
+TemporalHelpers.assertPlainYearMonth(Temporal.PlainYearMonth.from("2019-11").add({ days: 29 }),
+  2019, 11, "M11");
+TemporalHelpers.assertPlainYearMonth(Temporal.PlainYearMonth.from("2019-11").add({ days: 30 }),
+  2019, 12, "M12");
+TemporalHelpers.assertPlainYearMonth(Temporal.PlainYearMonth.from("2020-01").add({ days: 30 }),
+  2020, 1, "M01");
+TemporalHelpers.assertPlainYearMonth(Temporal.PlainYearMonth.from("2020-01").add({ days: 31 }),
+  2020, 2, "M02");

test/built-ins/Temporal/PlainYearMonth/prototype/add/options-invalid.js

@@ -0,0 +1,14 @@
+// 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.plainyearmonth.prototype.add
+description: Invalid options throw
+features: [Temporal]
+---*/
+
+const ym = Temporal.PlainYearMonth.from("2019-11");
+const values = [null, true, "hello", Symbol("foo"), 1, 1n];
+for (const badOptions of values) {
+  assert.throws(TypeError, () => ym.add({ years: 1 }, badOptions));
+}

test/built-ins/Temporal/PlainYearMonth/prototype/add/overflow-invalid-string.js

@@ -20,4 +20,6 @@ features: [Temporal]
 
 const yearmonth = new Temporal.PlainYearMonth(2000, 5);
 const duration = new Temporal.Duration(1, 1);
-assert.throws(RangeError, () => yearmonth.add(duration, { overflow: "other string" }));
+for (const overflow of ["", "CONSTRAIN", "balance", "other string", "constra\u0131n"]) {
+  assert.throws(RangeError, () => yearmonth.add(duration, { overflow }));
+}

test/built-ins/Temporal/PlainYearMonth/prototype/add/overflow-undefined.js

@@ -29,3 +29,5 @@ const explicit = yearmonth.add(duration, { overflow: undefined });
 TemporalHelpers.assertPlainYearMonth(explicit, 2001, 6, "M06", "default overflow is constrain");
 const implicit = yearmonth.add(duration, {});
 TemporalHelpers.assertPlainYearMonth(implicit, 2001, 6, "M06", "default overflow is constrain");
+const lambda = yearmonth.add(duration, () => {});
+TemporalHelpers.assertPlainYearMonth(lambda, 2001, 6, "M06", "default overflow is constrain");

test/built-ins/Temporal/PlainYearMonth/prototype/add/overflow-wrong-type.js

@@ -29,6 +29,7 @@ assert.throws(RangeError, () => yearmonth.add(duration, { overflow: null }), "nu
 assert.throws(RangeError, () => yearmonth.add(duration, { overflow: true }), "true");
 assert.throws(RangeError, () => yearmonth.add(duration, { overflow: false }), "false");
 assert.throws(TypeError, () => yearmonth.add(duration, { overflow: Symbol() }), "symbol");
+assert.throws(RangeError, () => yearmonth.add(duration, { overflow: 2 }), "bigint");
 assert.throws(RangeError, () => yearmonth.add(duration, { overflow: 2n }), "bigint");
 assert.throws(RangeError, () => yearmonth.add(duration, { overflow: {} }), "plain object");
 

test/built-ins/Temporal/PlainYearMonth/prototype/subtract/argument-duration-object.js

@@ -0,0 +1,13 @@
+// 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.plainyearmonth.prototype.subtract
+description: A Duration object is supported as the argument
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const jun13 = Temporal.PlainYearMonth.from("2013-06");
+const diff = Temporal.Duration.from("P18Y7M");
+TemporalHelpers.assertPlainYearMonth(jun13.subtract(diff), 1994, 11, "M11");

test/built-ins/Temporal/PlainYearMonth/prototype/subtract/argument-lower-units.js

@@ -0,0 +1,37 @@
+// 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.plainyearmonth.prototype.subtract
+description: Using lower units in subtract() works
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const ym = Temporal.PlainYearMonth.from("2019-11");
+
+const tests = [
+  [{ days: 1 }, 2019, 11, "M11"],
+  [{ hours: 1 }, 2019, 11, "M11"],
+  [{ minutes: 1 }, 2019, 11, "M11"],
+  [{ seconds: 1 }, 2019, 11, "M11"],
+  [{ milliseconds: 1 }, 2019, 11, "M11"],
+  [{ microseconds: 1 }, 2019, 11, "M11"],
+  [{ nanoseconds: 1 }, 2019, 11, "M11"],
+  [{ days: 29 }, 2019, 11, "M11"],
+  [{ days: 30 }, 2019, 10, "M10"],
+  [{ days: 60 }, 2019, 10, "M10"],
+  [{ days: 61 }, 2019, 9, "M09"],
+  [{ hours: 720 }, 2019, 10, "M10"],
+  [{ minutes: 43200 }, 2019, 10, "M10"],
+  [{ seconds: 2592000 }, 2019, 10, "M10"],
+  [{ milliseconds: 2592000_000 }, 2019, 10, "M10"],
+  [{ microseconds: 2592000_000_000 }, 2019, 10, "M10"],
+  [{ nanoseconds: 2592000_000_000_000 }, 2019, 10, "M10"],
+];
+
+for (const [argument, ...expected] of tests) {
+  TemporalHelpers.assertPlainYearMonth(ym.subtract(argument), ...expected, "no options");
+  TemporalHelpers.assertPlainYearMonth(ym.subtract(argument, { overflow: "constrain" }), ...expected, "constrain");
+  TemporalHelpers.assertPlainYearMonth(ym.subtract(argument, { overflow: "reject" }), ...expected, "reject");
+}

test/built-ins/Temporal/PlainYearMonth/prototype/subtract/argument-object-invalid.js

@@ -0,0 +1,16 @@
+// 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.plainyearmonth.prototype.subtract
+description: Mixed positive and negative values or missing properties always throw
+features: [Temporal]
+---*/
+
+const ym = Temporal.PlainYearMonth.from("2019-11");
+for (const overflow of ["constrain", "reject"]) {
+  assert.throws(RangeError, () => ym.subtract({ years: 1, months: -6 }, { overflow }), overflow)
+}
+
+assert.throws(TypeError, () => ym.subtract({}), "no properties");
+assert.throws(TypeError, () => ym.subtract({ month: 12 }), "only singular 'month' property");

test/built-ins/Temporal/PlainYearMonth/prototype/subtract/argument-object-plural.js

@@ -0,0 +1,12 @@
+// 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.plainyearmonth.prototype.subtract
+description: Singular properties are ignored
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const ym = Temporal.PlainYearMonth.from("2019-11");
+TemporalHelpers.assertPlainYearMonth(ym.subtract({ month: 1, years: 1 }), 2018, 11, "M11");

test/built-ins/Temporal/PlainYearMonth/prototype/subtract/argument-object.js

@@ -0,0 +1,24 @@
+// 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.plainyearmonth.prototype.subtract
+description: Passing an object to subtract() works
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const ym = Temporal.PlainYearMonth.from("2019-11");
+
+const tests = [
+  [{ months: 2 }, 2019, 9, "M09"],
+  [{ years: 1 }, 2018, 11, "M11"],
+  [{ months: -2 }, 2020, 1, "M01"],
+  [{ years: -1 }, 2020, 11, "M11"],
+];
+
+for (const [argument, ...expected] of tests) {
+  TemporalHelpers.assertPlainYearMonth(ym.subtract(argument), ...expected, "no options");
+  TemporalHelpers.assertPlainYearMonth(ym.subtract(argument, { overflow: "constrain" }), ...expected, "constrain");
+  TemporalHelpers.assertPlainYearMonth(ym.subtract(argument, { overflow: "reject" }), ...expected, "reject");
+}

test/built-ins/Temporal/PlainYearMonth/prototype/subtract/limits.js

@@ -0,0 +1,13 @@
+// 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.plainyearmonth.prototype.subtract
+description: RangeError thrown when going out of range
+features: [Temporal]
+---*/
+
+const min = Temporal.PlainYearMonth.from("-271821-04");
+for (const overflow of ["reject", "constrain"]) {
+  assert.throws(RangeError, () => min.subtract({ months: 1 }, { overflow }), overflow);
+}

test/built-ins/Temporal/PlainYearMonth/prototype/subtract/month-length.js

@@ -0,0 +1,28 @@
+// 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.plainyearmonth.prototype.subtract
+description: subtract() takes month length into account
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const ym = Temporal.PlainYearMonth.from("2019-11");
+
+TemporalHelpers.assertPlainYearMonth(Temporal.PlainYearMonth.from("2019-02").subtract({ days: 27 }),
+  2019, 2, "M02");
+TemporalHelpers.assertPlainYearMonth(Temporal.PlainYearMonth.from("2019-02").subtract({ days: 28 }),
+  2019, 1, "M01");
+TemporalHelpers.assertPlainYearMonth(Temporal.PlainYearMonth.from("2020-02").subtract({ days: 28 }),
+  2020, 2, "M02");
+TemporalHelpers.assertPlainYearMonth(Temporal.PlainYearMonth.from("2020-02").subtract({ days: 29 }),
+  2020, 1, "M01");
+TemporalHelpers.assertPlainYearMonth(Temporal.PlainYearMonth.from("2019-11").subtract({ days: 29 }),
+  2019, 11, "M11");
+TemporalHelpers.assertPlainYearMonth(Temporal.PlainYearMonth.from("2019-11").subtract({ days: 30 }),
+  2019, 10, "M10");
+TemporalHelpers.assertPlainYearMonth(Temporal.PlainYearMonth.from("2020-01").subtract({ days: 30 }),
+  2020, 1, "M01");
+TemporalHelpers.assertPlainYearMonth(Temporal.PlainYearMonth.from("2020-01").subtract({ days: 31 }),
+  2019, 12, "M12");

test/built-ins/Temporal/PlainYearMonth/prototype/subtract/options-invalid.js

@@ -0,0 +1,14 @@
+// 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.plainyearmonth.prototype.subtract
+description: Invalid options throw
+features: [Temporal]
+---*/
+
+const ym = Temporal.PlainYearMonth.from("2019-11");
+const values = [null, true, "hello", Symbol("foo"), 1, 1n];
+for (const badOptions of values) {
+  assert.throws(TypeError, () => ym.subtract({ years: 1 }, badOptions));
+}

test/built-ins/Temporal/PlainYearMonth/prototype/subtract/overflow-invalid-string.js

@@ -20,4 +20,6 @@ features: [Temporal]
 
 const yearmonth = new Temporal.PlainYearMonth(2000, 5);
 const duration = new Temporal.Duration(1, 1);
-assert.throws(RangeError, () => yearmonth.subtract(duration, { overflow: "other string" }));
+for (const overflow of ["", "CONSTRAIN", "balance", "other string", "constra\u0131n"]) {
+  assert.throws(RangeError, () => yearmonth.subtract(duration, { overflow }));
+}

test/built-ins/Temporal/PlainYearMonth/prototype/subtract/overflow-undefined.js

@@ -29,3 +29,5 @@ const explicit = yearmonth.subtract(duration, { overflow: undefined });
 TemporalHelpers.assertPlainYearMonth(explicit, 1999, 4, "M04", "default overflow is constrain");
 const implicit = yearmonth.subtract(duration, {});
 TemporalHelpers.assertPlainYearMonth(implicit, 1999, 4, "M04", "default overflow is constrain");
+const lambda = yearmonth.subtract(duration, () => {});
+TemporalHelpers.assertPlainYearMonth(lambda, 1999, 4, "M04", "default overflow is constrain");

test/built-ins/Temporal/PlainYearMonth/prototype/subtract/overflow-wrong-type.js

@@ -29,6 +29,7 @@ assert.throws(RangeError, () => yearmonth.subtract(duration, { overflow: null })
 assert.throws(RangeError, () => yearmonth.subtract(duration, { overflow: true }), "true");
 assert.throws(RangeError, () => yearmonth.subtract(duration, { overflow: false }), "false");
 assert.throws(TypeError, () => yearmonth.subtract(duration, { overflow: Symbol() }), "symbol");
+assert.throws(RangeError, () => yearmonth.subtract(duration, { overflow: 2 }), "bigint");
 assert.throws(RangeError, () => yearmonth.subtract(duration, { overflow: 2n }), "bigint");
 assert.throws(RangeError, () => yearmonth.subtract(duration, { overflow: {} }), "plain object");