null-bufferdata-throws.js (1854B)
1 // |reftest| shell-option(--setpref=atomics_wait_async) skip-if(!this.hasOwnProperty('Atomics')||!xulRuntime.shell) -- Atomics is not enabled unconditionally, requires shell-options 2 // Copyright (C) 2020 Rick Waldron. All rights reserved. 3 // This code is governed by the BSD license found in the LICENSE file. 4 /*--- 5 esid: sec-atomics.waitasync 6 description: > 7 A null value for bufferData throws a TypeError 8 info: | 9 Atomics.waitAsync( typedArray, index, value, timeout ) 10 11 1. Return DoWait(async, typedArray, index, value, timeout). 12 13 DoWait ( mode, typedArray, index, value, timeout ) 14 15 1. Let buffer be ? ValidateSharedIntegerTypedArray(typedArray, true). 16 17 ValidateSharedIntegerTypedArray ( typedArray [ , waitable ] ) 18 19 2. Perform ? RequireInternalSlot(typedArray, [[TypedArrayName]]). 20 21 RequireInternalSlot ( O, internalSlot ) 22 23 1. If Type(O) is not Object, throw a TypeError exception. 24 2. If O does not have an internalSlot internal slot, throw a TypeError exception. 25 26 includes: [detachArrayBuffer.js] 27 features: [Atomics.waitAsync, ArrayBuffer, Atomics, TypedArray, BigInt] 28 ---*/ 29 assert.sameValue(typeof Atomics.waitAsync, 'function', 'The value of `typeof Atomics.waitAsync` is "function"'); 30 const i64a = new BigInt64Array( 31 new ArrayBuffer(BigInt64Array.BYTES_PER_ELEMENT * 4) 32 ); 33 34 const poisoned = { 35 valueOf() { 36 throw new Test262Error('should not evaluate this code'); 37 } 38 }; 39 40 try { 41 $DETACHBUFFER(i64a.buffer); // Detaching a non-shared ArrayBuffer sets the [[ArrayBufferData]] value to null 42 } catch (error) { 43 throw new Test262Error(`An unexpected error occurred when detaching ArrayBuffer: ${error.message}`); 44 } 45 46 assert.throws(TypeError, function() { 47 Atomics.waitAsync(i64a, poisoned, poisoned, poisoned); 48 }, '`Atomics.waitAsync(i64a, poisoned, poisoned, poisoned)` throws a TypeError exception'); 49 50 51 reportCompare(0, 0);