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// |reftest| skip-if(!this.hasOwnProperty('Intl'))
// Any combination returns "other" for "en-US".
{
let numbers = [0, 0.5, 1.2, 1.5, 1.7, -1, 1, "1", 123456789.123456789, Infinity, -Infinity];
const weirdCases = [
NaN,
"word",
[0, 2],
{},
];
for (let type of ["ordinal", "cardinal"]) {
let pr = new Intl.PluralRules("en-US", {type});
for (let start of numbers) {
for (let end of numbers) {
assertEq(pr.selectRange(start, end), "other");
}
}
for (let c of weirdCases) {
assertThrowsInstanceOf(() => pr.selectRange(c, 0), RangeError);
assertThrowsInstanceOf(() => pr.selectRange(0, c), RangeError);
assertThrowsInstanceOf(() => pr.selectRange(c, c), RangeError);
}
}
}
// fr (French) returns different results.
{
let ordinal = new Intl.PluralRules("fr", {type: "ordinal"});
let cardinal = new Intl.PluralRules("fr", {type: "cardinal"});
assertEq(ordinal.selectRange(1, 1), "one");
assertEq(ordinal.selectRange(0, 1), "other");
assertEq(cardinal.selectRange(1, 1), "one");
assertEq(cardinal.selectRange(0, 1), "one");
}
// cy (Cymraeg) can return any combination.
{
let ordinal = new Intl.PluralRules("cy", {type: "ordinal"});
assertEq(ordinal.selectRange(0, 0), "other");
assertEq(ordinal.selectRange(0, 1), "one");
assertEq(ordinal.selectRange(0, 2), "two");
assertEq(ordinal.selectRange(0, 3), "few");
assertEq(ordinal.selectRange(0, 5), "many");
assertEq(ordinal.selectRange(0, 10), "other");
assertEq(ordinal.selectRange(1, 1), "other");
assertEq(ordinal.selectRange(1, 2), "two");
assertEq(ordinal.selectRange(1, 3), "few");
assertEq(ordinal.selectRange(1, 5), "many");
assertEq(ordinal.selectRange(1, 10), "other");
assertEq(ordinal.selectRange(2, 2), "other");
assertEq(ordinal.selectRange(2, 3), "few");
assertEq(ordinal.selectRange(2, 5), "many");
assertEq(ordinal.selectRange(2, 10), "other");
assertEq(ordinal.selectRange(3, 3), "other");
assertEq(ordinal.selectRange(3, 5), "many");
assertEq(ordinal.selectRange(3, 10), "other");
assertEq(ordinal.selectRange(5, 5), "other");
assertEq(ordinal.selectRange(5, 10), "other");
assertEq(ordinal.selectRange(10, 10), "other");
}
// BigInt inputs aren't allowed.
{
let pr = new Intl.PluralRules("en-US");
assertThrowsInstanceOf(() => pr.selectRange(0, 0n), TypeError);
assertThrowsInstanceOf(() => pr.selectRange(0n, 0), TypeError);
assertThrowsInstanceOf(() => pr.selectRange(0n, 0n), TypeError);
}
if (typeof reportCompare === "function")
reportCompare(true, true);
|
