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Kmake/deps/v8/test/intl/number-format/options-digits-v3.js
2026-05-26 23:36:42 -07:00

61 lines
2.5 KiB
JavaScript

// Copyright 2022 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
function assertPresentOfDigits(
options, expectSignificant, expectFractional, user_message) {
if (expectSignificant) {
assertNotUndefined(options.minimumSignificantDigits, user_message);
assertNotUndefined(options.maximumSignificantDigits, user_message);
} else {
assertEquals(undefined, options.minimumSignificantDigits, user_message);
assertEquals(undefined, options.maximumSignificantDigits, user_message);
}
if (expectFractional) {
assertNotUndefined(options.minimumFractionDigits, user_message);
assertNotUndefined(options.maximumFractionDigits, user_message);
} else {
assertEquals(undefined, options.minimumFractionDigits, user_message);
assertEquals(undefined, options.maximumFractionDigits, user_message);
}
}
// Should contain ONLY significant digits (both v2 and v3)
let options = new Intl.NumberFormat("und",
{ maximumSignificantDigits: 3 }).resolvedOptions();
assertPresentOfDigits(options, true, false,
"maximumSignificantDigits: 3");
// Should contain ONLY fraction digits (both v2 and v3)
options = new Intl.NumberFormat("und",
{ maximumFractionDigits: 3 }).resolvedOptions();
assertPresentOfDigits(options, false, true,
"maximumFractionDigits: 3");
// in v2, this should NOT have EITHER significant nor fraction digits
// in v3, should contain BOTH significant and fraction digits, plus
// roundingPriority
options = new Intl.NumberFormat("und",
{ notation: "compact" }).resolvedOptions();
assertPresentOfDigits(options, true, true, "notation: 'compact'");
// in v2, should contain ONLY significant digits
// in v3, should contain BOTH significant and fraction digits, plus
// roundingPriority
options = new Intl.NumberFormat("und",
{ maximumSignificantDigits: 3, maximumFractionDigits: 3,
roundingPriority: "morePrecision" }).resolvedOptions();
assertPresentOfDigits(options, true, true, "roundingPriority: 'morePrecision'");
// Should contain ONLY fraction digits (both v2 and v3)
options = new Intl.NumberFormat('en',
{ style: 'currency', currency: 'USD' }).resolvedOptions();
assertPresentOfDigits(options, false, true,
"style: 'currency', currency: 'USD'");
// Should contain ONLY fraction digits (both v2 and v3)
options = new Intl.NumberFormat('en',
{ style: 'currency', currency: 'JPY' }).resolvedOptions();
assertPresentOfDigits(options, false, true,
"style: 'currency', currency: 'JPY'");