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if (typeof Intl === "object") {
const constructors = [
Int8Array,
Uint8Array,
Uint8ClampedArray,
Int16Array,
Uint16Array,
Int32Array,
Uint32Array,
Float32Array,
Float64Array,
];
const localeSep = [,,].toLocaleString();
const originalNumberToLocaleString = Number.prototype.toLocaleString;
// Missing arguments are passed as |undefined|.
for (let constructor of constructors) {
Number.prototype.toLocaleString = function() {
assertEq(arguments.length, 2);
assertEq(arguments[0], undefined);
assertEq(arguments[1], undefined);
return "pass";
};
// Single element case.
assertEq(new constructor(1).toLocaleString(), "pass");
// More than one element.
assertEq(new constructor(2).toLocaleString(), "pass" + localeSep + "pass");
}
Number.prototype.toLocaleString = originalNumberToLocaleString;
// Missing options is passed as |undefined|.
for (let constructor of constructors) {
Number.prototype.toLocaleString = function() {
assertEq(arguments.length, 2);
assertEq(arguments[0], locales);
assertEq(arguments[1], undefined);
return "pass";
};
let locales = {};
// Single element case.
assertEq(new constructor(1).toLocaleString(locales), "pass");
// More than one element.
assertEq(new constructor(2).toLocaleString(locales), "pass" + localeSep + "pass");
}
Number.prototype.toLocaleString = originalNumberToLocaleString;
// Ensure "locales" and "options" arguments are passed to the array elements.
for (let constructor of constructors) {
Number.prototype.toLocaleString = function() {
assertEq(arguments.length, 2);
assertEq(arguments[0], locales);
assertEq(arguments[1], options);
return "pass";
};
let locales = {};
let options = {};
// Single element case.
assertEq(new constructor(1).toLocaleString(locales, options), "pass");
// More than one element.
assertEq(new constructor(2).toLocaleString(locales, options), "pass" + localeSep + "pass");
}
Number.prototype.toLocaleString = originalNumberToLocaleString;
assertEq(new Float32Array([NaN]).toLocaleString("ar"), "ليس رقم");
assertEq(new Float64Array([NaN]).toLocaleString(["zh-hant", "ar"]), "非數值");
assertEq(new Float32Array([Infinity]).toLocaleString(["dz"]), "གྲངས་མེད");
assertEq(new Float64Array([-Infinity]).toLocaleString(["fr", "en"]), "-∞");
const sampleValues = [-0, +0, -1, +1, -2, +2, -0.5, +0.5];
const sampleLocales = [
void 0,
"en",
"th-th-u-nu-thai",
["tlh", "de"],
];
const sampleOptions = [
void 0,
{},
{style: "percent"},
{style: "currency", currency: "USD", minimumIntegerDigits: 4},
];
for (let locale of sampleLocales) {
for (let options of sampleOptions) {
let nf = new Intl.NumberFormat(locale, options);
for (let constructor of constructors) {
let typedArray = new constructor(sampleValues);
let expected = [].map.call(typedArray, nf.format).join(localeSep);
assertEq(typedArray.toLocaleString(locale, options), expected);
}
}
}
}
if (typeof reportCompare === "function")
reportCompare(true, true);