mirror of https://github.com/tc39/test262.git
46 lines
1.2 KiB
JavaScript
46 lines
1.2 KiB
JavaScript
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// Copyright (C) 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-sharedarraybuffer-constructor
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description: |
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Invoked with an options object whose `maxByteLength` property cannot be
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coerced to a primitive value
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info:
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SharedArrayBuffer( length [ , options ] )
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1. If NewTarget is undefined, throw a TypeError exception.
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2. Let byteLength be ? ToIndex(length).
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3. Let requestedMaxByteLength be ? GetArrayBufferMaxByteLengthOption(options).
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[...]
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1.1.5 GetArrayBufferMaxByteLengthOption ( options )
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1. If Type(options) is not Object, return empty.
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2. Let maxByteLength be ? Get(options, "maxByteLength").
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3. If maxByteLength is undefined, return empty.
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4. Return ? ToIndex(maxByteLength).
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features: [resizable-arraybuffer]
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---*/
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var log = [];
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var options = {
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maxByteLength: {
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toString: function() {
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log.push('toString');
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return {};
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},
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valueOf: function() {
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log.push('valueOf');
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return {};
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}
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}
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};
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assert.throws(TypeError, function() {
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new SharedArrayBuffer(0, options);
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});
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assert.sameValue(log.length, 2);
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assert.sameValue(log[0], 'valueOf');
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assert.sameValue(log[1], 'toString');
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