Test conversion of Temporal.Instant strings with sub-minute UTC offsets

test/built-ins/Temporal/Instant/compare/instant-string-sub-minute-offset.js

@@ -0,0 +1,17 @@
+// 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.instant.compare
+description: Temporal.Instant string with sub-minute offset
+features: [Temporal]
+---*/
+
+const epoch = new Temporal.Instant(0n);
+const str = "1970-01-01T00:19:32.37+00:19:32.37";
+
+const result1 = Temporal.Instant.compare(str, epoch);
+assert.sameValue(result1, 0, "if present, sub-minute offset is accepted exactly (first argument)");
+
+const result2 = Temporal.Instant.compare(epoch, str);
+assert.sameValue(result2, 0, "if present, sub-minute offset is accepted exactly (second argument)");

test/built-ins/Temporal/Instant/from/instant-string-sub-minute-offset.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.instant.from
+description: Temporal.Instant string with sub-minute offset
+features: [Temporal]
+---*/
+
+const str = "1970-01-01T00:19:32.37+00:19:32.37";
+const result = Temporal.Instant.from(str);
+assert.sameValue(result.epochNanoseconds, 0n, "if present, sub-minute offset is accepted exactly");

test/built-ins/Temporal/Instant/prototype/equals/instant-string-sub-minute-offset.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.instant.prototype.equals
+description: Temporal.Instant string with sub-minute offset
+features: [Temporal]
+---*/
+
+const instance = new Temporal.Instant(0n);
+
+const str = "1970-01-01T00:19:32.37+00:19:32.37";
+const result = instance.equals(str);
+assert.sameValue(result, true, "if present, sub-minute offset is accepted exactly");

test/built-ins/Temporal/Instant/prototype/since/instant-string-sub-minute-offset.js

@@ -0,0 +1,15 @@
+// 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.instant.prototype.since
+description: Temporal.Instant string with sub-minute offset
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const instance = new Temporal.Instant(0n);
+
+const str = "1970-01-01T00:19:32.37+00:19:32.37";
+const result = instance.since(str);
+TemporalHelpers.assertDuration(result, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "if present, sub-minute offset is accepted exactly");

test/built-ins/Temporal/Instant/prototype/until/instant-string-sub-minute-offset.js

@@ -0,0 +1,15 @@
+// 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.instant.prototype.until
+description: Temporal.Instant string with sub-minute offset
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const instance = new Temporal.Instant(0n);
+
+const str = "1970-01-01T00:19:32.37+00:19:32.37";
+const result = instance.until(str);
+TemporalHelpers.assertDuration(result, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "if present, sub-minute offset is accepted exactly");

test/built-ins/Temporal/TimeZone/prototype/getPlainDateTimeFor/instant-string-sub-minute-offset.js

@@ -0,0 +1,15 @@
+// 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.timezone.prototype.getplaindatetimefor
+description: Temporal.Instant string with sub-minute offset
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const instance = new Temporal.TimeZone("UTC");
+
+const str = "1970-01-01T00:19:32.37+00:19:32.37";
+const result = instance.getPlainDateTimeFor(str);
+TemporalHelpers.assertPlainDateTime(result, 1970, 1, "M01", 1, 0, 0, 0, 0, 0, 0, "if present, sub-minute offset is accepted exactly");