// Copyright (C) 2021 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-sharedarraybuffer-constructor description: | Invoked with an options object whose `maxByteLength` property cannot be coerced to a primitive value info: | SharedArrayBuffer( length [ , options ] ) 1. If NewTarget is undefined, throw a TypeError exception. 2. Let byteLength be ? ToIndex(length). 3. Let requestedMaxByteLength be ? GetArrayBufferMaxByteLengthOption(options). [...] 1.1.5 GetArrayBufferMaxByteLengthOption ( options ) 1. If Type(options) is not Object, return empty. 2. Let maxByteLength be ? Get(options, "maxByteLength"). 3. If maxByteLength is undefined, return empty. 4. Return ? ToIndex(maxByteLength). features: [SharedArrayBuffer, resizable-arraybuffer] ---*/ var log = []; var options = { maxByteLength: { toString: function() { log.push('toString'); return {}; }, valueOf: function() { log.push('valueOf'); return {}; } } }; assert.throws(TypeError, function() { new SharedArrayBuffer(0, options); }); assert.sameValue(log.length, 2); assert.sameValue(log[0], 'valueOf'); assert.sameValue(log[1], 'toString');