// |reftest| skip-if(!this.hasOwnProperty('Atomics')||!this.hasOwnProperty('SharedArrayBuffer')||(this.hasOwnProperty('getBuildConfiguration')&&getBuildConfiguration('arm64-simulator'))) -- Atomics,SharedArrayBuffer is not enabled unconditionally, ARM64 Simulator cannot emulate atomics // Copyright (C) 2018 Rick Waldron. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-atomics.xor description: Test Atomics.xor on arrays that allow atomic operations includes: [testAtomics.js, testBigIntTypedArray.js] features: [ArrayBuffer, Atomics, BigInt, DataView, SharedArrayBuffer, Symbol, TypedArray] ---*/ // Make it interesting - use non-zero byteOffsets and non-zero indexes. // And again // In-bounds boundary cases for indexing // Atomics.store() computes an index from Idx in the same way as other // Atomics operations, not quite like view[Idx]. const sab = new SharedArrayBuffer(1024); const ab = new ArrayBuffer(16); testWithBigIntTypedArrayConstructors(function(TA) { const view = new TA(sab, 32, 20); const control = new TA(ab, 0, 2); view[8] = 0x33333333n; control[0] = 0x33333333n; assert.sameValue( Atomics.xor(view, 8, 0x55555555n), control[0], 'Atomics.xor(view, 8, 0x55555555n) returns the value of `control[0]` (0x33333333n)' ); control[0] = 0x66666666n; assert.sameValue( view[8], control[0], 'The value of view[8] equals the value of `control[0]` (0x66666666n)' ); assert.sameValue( Atomics.xor(view, 8, 0xF0F0F0F0n), control[0], 'Atomics.xor(view, 8, 0xF0F0F0F0) returns the value of `control[0]` (0x66666666n)' ); control[0] = 0x96969696n; assert.sameValue( view[8], control[0], 'The value of view[8] equals the value of `control[0]` (0x96969696n)' ); view[3] = -5n; control[0] = -5n; assert.sameValue( Atomics.xor(view, 3, 0n), control[0], 'Atomics.xor(view, 3, 0n) returns the value of `control[0]` (-5n)' ); assert.sameValue( view[3], control[0], 'The value of view[3] equals the value of `control[0]` (-5n)' ); control[0] = 12345n; view[3] = 12345n; assert.sameValue( Atomics.xor(view, 3, 0n), control[0], 'Atomics.xor(view, 3, 0n) returns the value of `control[0]` (12345n)' ); assert.sameValue( view[3], control[0], 'The value of view[3] equals the value of `control[0]` (12345n)' ); control[0] = 123456789n; view[3] = 123456789n; assert.sameValue( Atomics.xor(view, 3, 0n), control[0], 'Atomics.xor(view, 3, 0n) returns the value of `control[0]` (123456789n)' ); assert.sameValue( view[3], control[0], 'The value of view[3] equals the value of `control[0]` (123456789n)' ); testWithAtomicsInBoundsIndices(function(IdxGen) { let Idx = IdxGen(view); view.fill(0n); Atomics.store(view, Idx, 37n); assert.sameValue(Atomics.xor(view, Idx, 0n), 37n, 'Atomics.xor(view, Idx, 0n) returns 37n'); }); }); reportCompare(0, 0);