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Add tests for format/formatToParts of fractionalSecondDigits option (#2234) 

* Add more tests for fractionalSecondDigits

* + test of fractionalSecondDigits formatToParts
This commit is contained in:
Frank Yung-Fong Tang 2019-07-15 10:50:25 -07:00 committed by Leo Balter
parent 6cb0a531af
commit 53d14f56bb
2 changed files with 84 additions and 0 deletions
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32
test/intl402/DateTimeFormat/prototype/format/fractionalSecondDigits.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-initializedatetimeformat
description: Checks basic handling of fractionalSecondDigits.
features: [Intl.DateTimeFormat-fractionalSecondDigits]
locale: [en-US]
---*/
const d1 = new Date(2019, 7, 10, 1, 2, 3, 234);
const d2 = new Date(2019, 7, 10, 1, 2, 3, 567);
let dtf = new Intl.DateTimeFormat(
'en', { minute: "numeric", second: "numeric", fractionalSecondDigits: 0});
assert.sameValue(dtf.format(d1), "02:03", "no fractionalSecondDigits");
assert.sameValue(dtf.format(d2), "02:03", "no fractionalSecondDigits");
dtf = new Intl.DateTimeFormat(
'en', { minute: "numeric", second: "numeric", fractionalSecondDigits: 1});
assert.sameValue(dtf.format(d1), "02:03.2", "1 fractionalSecondDigits round down");
assert.sameValue(dtf.format(d2), "02:03.5", "1 fractionalSecondDigits round down");
dtf = new Intl.DateTimeFormat(
'en', { minute: "numeric", second: "numeric", fractionalSecondDigits: 2});
assert.sameValue(dtf.format(d1), "02:03.23", "2 fractionalSecondDigits round down");
assert.sameValue(dtf.format(d2), "02:03.56", "2 fractionalSecondDigits round down");
dtf = new Intl.DateTimeFormat(
'en', { minute: "numeric", second: "numeric", fractionalSecondDigits: 3});
assert.sameValue(dtf.format(d1), "02:03.234", "3 fractionalSecondDigits round down");
assert.sameValue(dtf.format(d2), "02:03.567", "3 fractionalSecondDigits round down");

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test/intl402/DateTimeFormat/prototype/formatToParts/fractionalSecondDigits.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-initializedatetimeformat
description: Checks basic handling of fractionalSecondDigits.
features: [Intl.DateTimeFormat-fractionalSecondDigits]
locale: [en-US]
---*/
const d1 = new Date(2019, 7, 10, 1, 2, 3, 234);
const d2 = new Date(2019, 7, 10, 1, 2, 3, 567);
function assertParts(parts, minute, second, fractionalSecond, message) {
if (fractionalSecond === null) {
assert.sameValue(parts.length, 3, `length should be 3, ${message}`);
} else {
assert.sameValue(parts.length, 5, `length should be 5, ${message}`);
}
assert.sameValue(parts[0].value, minute, `minute part value. ${message}`);
assert.sameValue(parts[0].type, 'minute', `minute part type. ${message}`);
assert.sameValue(parts[1].value, ':', `literal part value. ${message}`);
assert.sameValue(parts[1].type, 'literal', `literal part type. ${message}`);
assert.sameValue(parts[2].value, second, `second part value. ${message}`);
assert.sameValue(parts[2].type, 'second', `second part type. ${message}`);
if (fractionalSecond !== null) {
assert.sameValue(parts[3].value, '.', `literal part value. ${message}`);
assert.sameValue(parts[3].type, 'literal', `literal part type. ${message}`);
assert.sameValue(parts[4].value, fractionalSecond, `fractionalSecond part value. ${message}`);
assert.sameValue(parts[4].type, 'fractionalSecond', `fractionalSecond part type. ${message}`);
}
}
let dtf = new Intl.DateTimeFormat(
'en', { minute: "numeric", second: "numeric", fractionalSecondDigits: 0});
assertParts(dtf.formatToParts(d1), "02", "03", null, "no fractionalSecondDigits round down");
assertParts(dtf.formatToParts(d2), "02", "03", null, "no fractionalSecondDigits round down");
dtf = new Intl.DateTimeFormat(
'en', { minute: "numeric", second: "numeric", fractionalSecondDigits: 1});
assertParts(dtf.formatToParts(d1), "02", "03", "2", "1 fractionalSecondDigits round down");
assertParts(dtf.formatToParts(d2), "02", "03", "5", "1 fractionalSecondDigits round down");
dtf = new Intl.DateTimeFormat(
'en', { minute: "numeric", second: "numeric", fractionalSecondDigits: 2});
assertParts(dtf.formatToParts(d1), "02", "03", "23", "2 fractionalSecondDigits round down");
assertParts(dtf.formatToParts(d2), "02", "03", "56", "2 fractionalSecondDigits round down");
dtf = new Intl.DateTimeFormat(
'en', { minute: "numeric", second: "numeric", fractionalSecondDigits: 3});
assertParts(dtf.formatToParts(d1), "02", "03", "234", "3 fractionalSecondDigits round down");
assertParts(dtf.formatToParts(d2), "02", "03", "567", "3 fractionalSecondDigits round down");