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Add tests for Intl.DateTimeFormat formatRange(ToParts) to check the behavior when startDate is the same as endDate (tc39/proposal-intl-DateTimeFormat-formatRange#19).

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Felipe Balbontín 2020-12-28 18:29:14 -03:00 committed by Rick Waldron
parent 9ca13b1272
commit 22cdb74659
2 changed files with 99 additions and 0 deletions
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42
test/intl402/DateTimeFormat/prototype/formatRange/date-same-returns-single-date.js vendored Normal file
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// Copyright 2019 Google Inc. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-partitiondatetimerangepattern
description: >
When startDate is equal to endDate, the output should be a string equal
to the output of Intl.DateTimeFormat.prototype.format.
info: |
Intl.DateTimeFormat.prototype.formatRange ( startDate , endDate )
4. Let x be ? ToNumber(startDate).
5. Let y be ? ToNumber(endDate).
6. Return ? FormatDateTimeRange(dtf, x, y).
PartitionDateTimeRangePattern ( dateTimeFormat, x, y )
13. If dateFieldsPracticallyEqual is true, then
a. Let pattern be dateTimeFormat.[[Pattern]].
b. Let patternParts be PartitionPattern(pattern).
c. Let result be ? FormatDateTimePattern(dateTimeFormat, patternParts, tm1).
d. For each r in result do
i. Set r.[[Source]] to "shared".
e. Return result.
features: [Intl.DateTimeFormat-formatRange]
locale: [en-US]
---*/
const date = new Date(2019, 7, 10, 1, 2, 3, 234);
let dtf = new Intl.DateTimeFormat("en", { year: "numeric", month: "short", day: "numeric" });
assert.sameValue(dtf.formatRange(date, date), dtf.format(date), "same output with date options");
dtf = new Intl.DateTimeFormat("en", { minute: "numeric", second: "numeric" });
assert.sameValue(dtf.formatRange(date, date), dtf.format(date), "same output with time options");
dtf = new Intl.DateTimeFormat("en", { month: "short", day: "numeric", minute: "numeric" });
assert.sameValue(dtf.formatRange(date, date), dtf.format(date), "same output with date-time options");
dtf = new Intl.DateTimeFormat("en", { dateStyle: "long", timeStyle: "short" });
assert.sameValue(dtf.formatRange(date, date), dtf.format(date), "same output with dateStyle/timeStyle");

57
test/intl402/DateTimeFormat/prototype/formatRangeToParts/date-same-returns-single-date.js vendored Normal file
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// Copyright 2019 Google Inc. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-partitiondatetimerangepattern
description: >
When startDate is equal to endDate, the output should be an Array of objects with the
same value for the `type` and `value` fields as in the Array returned by
Intl.DateTimeFormat.prototype.formatToParts.
info: |
Intl.DateTimeFormat.prototype.formatRangeToParts ( startDate , endDate )
4. Let x be ? ToNumber(startDate).
5. Let y be ? ToNumber(endDate).
6. Return ? FormatDateTimeRange(dtf, x, y).
PartitionDateTimeRangePattern ( dateTimeFormat, x, y )
13. If dateFieldsPracticallyEqual is true, then
a. Let pattern be dateTimeFormat.[[Pattern]].
b. Let patternParts be PartitionPattern(pattern).
c. Let result be ? FormatDateTimePattern(dateTimeFormat, patternParts, tm1).
d. For each r in result do
i. Set r.[[Source]] to "shared".
e. Return result.
features: [Intl.DateTimeFormat-formatRange]
locale: [en-US]
---*/
function* zip(a, b) {
assert.sameValue(a.length, b.length);
for (let i = 0; i < a.length; ++i) {
yield [i, a[i], b[i]];
}
}
function compare(actual, expected) {
for (const [i, actualEntry, expectedEntry] of zip(actual, expected)) {
assert.sameValue(actualEntry.type, expectedEntry.type, `type for entry ${i}`);
assert.sameValue(actualEntry.value, expectedEntry.value, `value for entry ${i}`);
}
}
const date = new Date(2019, 7, 10, 1, 2, 3, 234);
let dtf = new Intl.DateTimeFormat("en", { year: "numeric", month: "short", day: "numeric" });
compare(dtf.formatRange(date, date), dtf.format(date), "same output with date options");
dtf = new Intl.DateTimeFormat("en", { minute: "numeric", second: "numeric" });
compare(dtf.formatRange(date, date), dtf.format(date), "same output with time options");
dtf = new Intl.DateTimeFormat("en", { month: "short", day: "numeric", minute: "numeric" });
compare(dtf.formatRange(date, date), dtf.format(date), "same output with date-time options");
dtf = new Intl.DateTimeFormat("en", { dateStyle: "long", timeStyle: "short" });
compare(dtf.formatRange(date, date), dtf.format(date), "same output with dateStyle/timeStyle");