Source code
Revision control
Copy as Markdown
Other Tools
// Copyright 2021 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-initializenumberformat
description: Checks handling of the trailingZeroDisplay option to the NumberFormat constructor.
includes: [compareArray.js]
features: [Intl.NumberFormat-v3]
---*/
const values = [
[undefined, "auto"],
["auto", "auto"],
["stripIfInteger", "stripIfInteger"],
[{toString: function() { return "stripIfInteger"; }}, "stripIfInteger"],
];
for (const [value, expected] of values) {
const callOrder = [];
const nf = new Intl.NumberFormat([], {
get roundingIncrement() {
callOrder.push("roundingIncrement");
return 1;
},
get trailingZeroDisplay() {
callOrder.push("trailingZeroDisplay");
return value;
}
});
const resolvedOptions = nf.resolvedOptions();
assert("trailingZeroDisplay" in resolvedOptions, "has property for value " + value);
assert.sameValue(resolvedOptions.trailingZeroDisplay, expected);
assert.compareArray(callOrder, ["roundingIncrement", "trailingZeroDisplay"]);
}
reportCompare(0, 0);