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|
// |reftest| skip-if(!this.hasOwnProperty("Intl"))
const tests = [
// Rounding conflict with maximum fraction/significand digits.
{
value: 4.321,
options: {
maximumFractionDigits: 2,
maximumSignificantDigits: 2,
},
roundingPriorities: {
auto: "4.3",
lessPrecision: "4.3",
morePrecision: "4.32",
},
},
{
value: 4.321,
options: {
maximumFractionDigits: 2,
minimumFractionDigits: 2,
maximumSignificantDigits: 2,
},
roundingPriorities: {
auto: "4.3",
lessPrecision: "4.3",
morePrecision: "4.32",
},
},
{
value: 4.321,
options: {
maximumFractionDigits: 2,
maximumSignificantDigits: 2,
minimumSignificantDigits: 2,
},
roundingPriorities: {
auto: "4.3",
lessPrecision: "4.3",
morePrecision: "4.32",
},
},
{
value: 4.321,
options: {
maximumFractionDigits: 2,
minimumFractionDigits: 2,
maximumSignificantDigits: 2,
minimumSignificantDigits: 2,
},
roundingPriorities: {
auto: "4.3",
lessPrecision: "4.3",
morePrecision: "4.32",
},
},
// Rounding conflict with minimum fraction/significand digits.
{
value: 1.0,
options: {
minimumFractionDigits: 2,
minimumSignificantDigits: 2,
},
roundingPriorities: {
auto: "1.0",
// Returning "1.00" for both options seems unexpected. Also filed at
// <https://github.com/tc39/proposal-intl-numberformat-v3/issues/52>.
lessPrecision: "1.00",
morePrecision: "1.0",
},
},
{
value: 1.0,
options: {
minimumFractionDigits: 2,
maximumFractionDigits: 2,
minimumSignificantDigits: 2,
},
roundingPriorities: {
auto: "1.0",
lessPrecision: "1.00",
morePrecision: "1.0",
},
},
{
value: 1.0,
options: {
minimumFractionDigits: 2,
minimumSignificantDigits: 2,
maximumSignificantDigits: 2,
},
roundingPriorities: {
auto: "1.0",
lessPrecision: "1.0",
morePrecision: "1.00",
},
},
{
value: 1.0,
options: {
minimumFractionDigits: 2,
maximumFractionDigits: 2,
minimumSignificantDigits: 2,
maximumSignificantDigits: 2,
},
roundingPriorities: {
auto: "1.0",
lessPrecision: "1.0",
morePrecision: "1.00",
},
},
];
for (let {value, options, roundingPriorities} of tests) {
for (let [roundingPriority, expected] of Object.entries(roundingPriorities)) {
let nf = new Intl.NumberFormat("en", {...options, roundingPriority});
assertEq(nf.resolvedOptions().roundingPriority, roundingPriority);
assertEq(nf.format(value), expected, `value=${value}, roundingPriority=${roundingPriority}`);
}
}
// Default value of "auto".
assertEq(new Intl.NumberFormat().resolvedOptions().roundingPriority, "auto");
// Invalid values.
for (let roundingPriority of ["", null, "more", "less", "never"]){
assertThrowsInstanceOf(() => new Intl.NumberFormat("en", {roundingPriority}), RangeError);
}
if (typeof reportCompare === "function")
reportCompare(true, true);
|
