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// Copyright (C) 2018 Ujjwal Sharma. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-number-format-functions
description: >
Tests that Intl.NumberFormat.prototype.format converts its argument
(called value) to a number using ToNumber (7.1.3).
info: |
11.1.4Number Format Functions
4. Let x be ? ToNumber(value).
features: [Symbol]
---*/
const toNumberResults = [
[undefined, NaN],
[null, +0],
[true, 1],
[false, 0],
['42', 42],
['foo', NaN],
['Infinity', Infinity],
['-Infinity', -Infinity]
];
const nf = new Intl.NumberFormat();
toNumberResults.forEach(pair => {
const [value, result] = pair;
assert.sameValue(nf.format(value), nf.format(result));
});
let count = 0;
const dummy = {};
dummy[Symbol.toPrimitive] = hint => (hint === 'number' ? ++count : NaN);
assert.sameValue(nf.format(dummy), nf.format(count));
assert.sameValue(count, 1);
assert.throws(
TypeError,
() => nf.format(Symbol()),
"ToNumber(arg) throws a TypeError when arg is of type 'Symbol'"
);
reportCompare(0, 0);
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