Add tests for Temporal.Calendar.p*.mergeFields

test/built-ins/Temporal/Calendar/prototype/mergeFields/simple.js

@@ -0,0 +1,26 @@
+// 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.mergefields
+description: Temporal.Calendar.prototype.mergeFields will merge data.
+info: |
+  1. Let calendar be the this value.
+  2. Perform ? RequireInternalSlot(calendar, [[InitializedTemporalCalendar]]).
+  3. Assert: calendar.[[Identifier]] is "iso8601".
+  4. Set fields to ? ToObject(fields).
+  5. Set additionalFields to ? ToObject(additionalFields).
+  6. Return ? DefaultMergeFields(fields, additionalFields).
+features: [Temporal]
+includes: [compareArray.js]
+---*/
+let cal = new Temporal.Calendar("iso8601")
+
+// Assert only string will be merged
+assert(compareArray({}, cal.mergeFields({1: 2}, {3: 4})));
+assert(compareArray({}, cal.mergeFields({true: 2}, {false: 4})));
+assert(compareArray({}, cal.mergeFields({1n: 2}, {2n: 4})));
+assert(compareArray({}, cal.mergeFields({Infinity: 2}, {Infinity: 4})));
+assert(compareArray({}, cal.mergeFields({undefined: 2}, {NaN: 4})));
+assert(compareArray({}, cal.mergeFields({["foo"]: 2}, {["bar"]: 4})));
+assert(compareArray({a:1, b:2, c:4}, cal.mergeFields({a: 1, b: 2}, {b:3, c:4})));

test/built-ins/Temporal/Calendar/prototype/mergeFields/throws-type-error.js

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+// 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.mergefields
+description: Temporal.Calendar.prototype.mergeFields will throw TypeError with incorrect input.
+info: |
+  1. Let calendar be the this value.
+  2. Perform ? RequireInternalSlot(calendar, [[InitializedTemporalCalendar]]).
+  3. Assert: calendar.[[Identifier]] is "iso8601".
+  4. Set fields to ? ToObject(fields).
+  5. Set additionalFields to ? ToObject(additionalFields).
+  6. Return ? DefaultMergeFields(fields, additionalFields).
+features: [Temporal]
+---*/
+let cal = new Temporal.Calendar("iso8601")
+
+// Test throwing
+assert.throws(TypeError, () => cal.mergeFields(),
+    "Cannot convert undefined or null to object");
+assert.throws(TypeError, () => cal.mergeFields(undefined, {}),
+    "Cannot convert undefined or null to object");
+assert.throws(TypeError, () => cal.mergeFields(null, {}),
+    "Cannot convert undefined or null to object");
+assert.throws(TypeError, () => cal.mergeFields({}, undefined),
+    "Cannot convert undefined or null to object");
+assert.throws(TypeError, () => cal.mergeFields({}, null),
+    "Cannot convert undefined or null to object");
+
+// Test String, number, true, false, NaN, BigInt, Symbol types
+// pending on https://github.com/tc39/proposal-temporal/issues/1647

test/built-ins/Temporal/Calendar/prototype/mergeFields/with-month.js

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+// 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.mergefields
+description: Temporal.Calendar.prototype.mergeFields will merge data while there are month or monthCode in the data.
+info: |
+  1. Let calendar be the this value.
+  2. Perform ? RequireInternalSlot(calendar, [[InitializedTemporalCalendar]]).
+  3. Assert: calendar.[[Identifier]] is "iso8601".
+  4. Set fields to ? ToObject(fields).
+  5. Set additionalFields to ? ToObject(additionalFields).
+  6. Return ? DefaultMergeFields(fields, additionalFields).
+features: [Temporal]
+includes: [compareArray.js]
+---*/
+let cal = new Temporal.Calendar("iso8601")
+
+assert(compareArray({a:1, b:2, c:4, month:5},
+    cal.mergeFields({a: 1, b: 2}, {b:3, c:4, month:5})));
+assert(compareArray({a:1, b:2, c:4, month:5, month:'M06'},
+    cal.mergeFields({a: 1, b: 2}, {b:3, c:4, month:5, monthCode:'M06'})));
+assert(compareArray({a:1, b:2, c:4, month:'M06'}, cal.mergeFields({a: 1, b: 2},
+      {b:3, c:4, monthCode:'M06'})));
+
+assert(compareArray({a:1, b:2, c:4, month:5},
+    cal.mergeFields({a: 1, b: 2, month:7}, {b:3, c:4, month:5})));
+assert(compareArray({a:1, b:2, c:4, month:5},
+    cal.mergeFields({a: 1, b: 2, month:7, monthCode:'M08'},
+      {b:3, c:4, month:5})));
+assert(compareArray({a:1, b:2, c:4, monthCode:'M06'},
+    cal.mergeFields({a: 1, b: 2, month:7}, {b:3, c:4, monthCode:'M06'})));
+assert(compareArray({a:1, b:2, c:4, monthCode:'M06'},
+    cal.mergeFields({a: 1, b: 2, month:7, monthCode:'M08'},
+      {b:3, c:4, monthCode:'M06'})));
+assert(compareArray({a:1, b:2, c:4, month:5, monthCode:'M06'},
+    cal.mergeFields({a: 1, b: 2, month:7},
+      {b:3, c:4, month:5, monthCode:'M06'})));
+assert(compareArray({a:1, b:2, c:4, month:5, monthCode:'M06'},
+    cal.mergeFields({a: 1, b: 2, month:7, monthCode:'M08'},
+      {b:3, c:4, month:5, monthCode:'M06'})));
+
+assert(compareArray({a:1, b:2, c:4, month:7},
+    cal.mergeFields({a: 1, b: 2, month:7}, {b:3, c:4})));
+assert(compareArray({a:1, b:2, c:4, month:5, monthCode:'M08'},
+    cal.mergeFields({a: 1, b: 2, month:7, monthCode:'M08'}, {b:3, c:4})));
+assert(compareArray({a:1, b:2, c:4, month:7, monthCode:'M08'},
+    cal.mergeFields({a: 1, b: 2, month:7, monthCode:'M08'}, {b:3, c:4})));
+assert(compareArray({a:1, b:2, c:4, monthCode:'M08'},
+    cal.mergeFields({a: 1, b: 2, monthCode:'M08'}, {b:3, c:4})));