test262/test/built-ins/Math/hypot/Math.hypot_ToNumberErr.js

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// Copyright (c) 2021 Richard Gibson. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Math.hypot should coerce all arguments before inspecting them.
esid: sec-math.hypot
info: |
1. Let _coerced_ be a new empty List.
2. For each element _arg_ of _args_, do
a. Let _n_ be ? ToNumber(_arg_).
b. Append _n_ to _coerced_.
3. For each element _number_ of _coerced_, do
---*/
let uniqueErrorCount = 0;
class UniqueError extends Error {
constructor() { super(); uniqueErrorCount++; }
}
assert.throws(
UniqueError,
function() {
Math.hypot(
Infinity,
-Infinity,
NaN,
0,
-0,
{valueOf(){ throw new UniqueError(); }},
{valueOf(){ throw new UniqueError(); }},
);
},
'Math.hypot propagates an abrupt completion from coercing an argument to Number'
);
assert.sameValue(uniqueErrorCount, 1,
'Math.hypot aborts argument processing at the first abrupt completion');