mirror of https://github.com/tc39/test262.git
35 lines
1.1 KiB
JavaScript
35 lines
1.1 KiB
JavaScript
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// Copyright 2021 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-initializenumberformat
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description: Checks handling of the trailingZeroDisplay option to the NumberFormat constructor.
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includes: [compareArray.js]
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features: [Intl.NumberFormat-v3]
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---*/
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const values = [
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[undefined, "auto"],
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["auto", "auto"],
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["stripIfInteger", "stripIfInteger"],
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[{toString: function() { return "stripIfInteger"; }}, "stripIfInteger"],
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];
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for (const [value, expected] of values) {
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const callOrder = [];
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const nf = new Intl.NumberFormat([], {
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get roundingIncrement() {
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callOrder.push("roundingIncrement");
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return 1;
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},
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get trailingZeroDisplay() {
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callOrder.push("trailingZeroDisplay");
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return value;
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}
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});
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const resolvedOptions = nf.resolvedOptions();
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assert("trailingZeroDisplay" in resolvedOptions, "has property for value " + value);
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assert.sameValue(resolvedOptions.trailingZeroDisplay, expected);
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assert.compareArray(callOrder, ["roundingIncrement", "trailingZeroDisplay"]);
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}
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