blob: ef71f0f1c6c541dfa9bc3441aa1b3f407cd5e803 [file] [log] [blame]
function shouldBe(actual, expected) {
if (actual !== expected)
throw new Error(`expected ${expected} but got ${actual}`);
}
shouldBe(Intl.NumberFormat.prototype.formatToParts instanceof Function, true);
shouldBe(Intl.NumberFormat.prototype.formatToParts.length, 1);
shouldBe(Object.getOwnPropertyDescriptor(Intl.NumberFormat.prototype, 'formatToParts').writable, true);
shouldBe(Object.getOwnPropertyDescriptor(Intl.NumberFormat.prototype, 'formatToParts').enumerable, false);
shouldBe(Object.getOwnPropertyDescriptor(Intl.NumberFormat.prototype, 'formatToParts').configurable, true);
shouldBe(Object.getOwnPropertyDescriptor(Intl.NumberFormat.prototype, 'formatToParts').get, undefined);
shouldBe(Object.getOwnPropertyDescriptor(Intl.NumberFormat.prototype, 'formatToParts').set, undefined);
// Handles non-finite and non-number
shouldBe(
JSON.stringify(Intl.NumberFormat('en').formatToParts(-Infinity)),
JSON.stringify([{ type: 'minusSign', value: '-' }, { type: 'infinity', value: '∞' }])
);
shouldBe(
JSON.stringify(Intl.NumberFormat('en').formatToParts('one')),
JSON.stringify([{ type: 'nan', value: 'NaN' }])
);
// Handles percents
shouldBe(
JSON.stringify(Intl.NumberFormat('en-US', { style: 'percent' }).formatToParts(1)),
JSON.stringify([{ type: 'integer', value: '100' }, { type: 'percentSign', value: '%' }])
);
// Handles locale, currency, and number system
shouldBe(
JSON.stringify(
Intl.NumberFormat('pt-BR-u-nu-fullwide', {
minimumFractionDigits: '3', style: 'currency', currency: 'USD', currencyDisplay: 'name'
}).formatToParts(21069933563725.1)
),
JSON.stringify([
{ type: 'integer', value: '21' },
{ type: 'group', value: '.' },
{ type: 'integer', value: '069' },
{ type: 'group', value: '.' },
{ type: 'integer', value: '933' },
{ type: 'group', value: '.' },
{ type: 'integer', value: '563' },
{ type: 'group', value: '.' },
{ type: 'integer', value: '725' },
{ type: 'decimal', value: ',' },
{ type: 'fraction', value: '100' },
{ type: 'literal', value: ' ' },
{ type: 'currency', value: 'Dólares americanos' },
])
);
shouldBe(+Intl.NumberFormat('en-US', { useGrouping: false }).formatToParts(Number.MAX_SAFE_INTEGER)[0].value, Number.MAX_SAFE_INTEGER);
// Exceed the 32 character default buffer size
shouldBe(Intl.NumberFormat('en-US', { useGrouping: false }).formatToParts(Number.MAX_VALUE).length, 1);
shouldBe(Intl.NumberFormat('en-US', { useGrouping: false }).formatToParts(Number.MAX_VALUE)[0].value.length, 309);
shouldBe(Intl.NumberFormat('en-US').formatToParts(Number.MAX_VALUE).length, 205);