resizable-dataview-set-elem.js (990B)
1 load(libdir + "dataview.js"); 2 3 const TypedArrays = [ 4 Int8Array, 5 Uint8Array, 6 Int16Array, 7 Uint16Array, 8 Int32Array, 9 Uint32Array, 10 Float16Array, 11 Float32Array, 12 Float64Array, 13 BigInt64Array, 14 BigUint64Array, 15 ]; 16 17 function test(TA) { 18 const length = 4; 19 const byteLength = length * TA.BYTES_PER_ELEMENT; 20 21 let rab = new ArrayBuffer(byteLength, {maxByteLength: byteLength}); 22 let actual = new TA(rab); 23 let expected = new TA(length); 24 let type = expected[0].constructor; 25 26 let dv = new DataView(rab); 27 for (let i = 0; i < 200; ++i) { 28 let index = i % length; 29 let byteIndex = index * TA.BYTES_PER_ELEMENT; 30 31 let v = type(i); 32 dv.setElem(byteIndex, v, nativeIsLittleEndian); 33 expected[index] = v; 34 35 assertEq(actual[index], expected[index]); 36 } 37 } 38 39 for (let TA of TypedArrays) { 40 let setter = "set" + typeName(TA); 41 42 // Copy test function to ensure monomorphic ICs. 43 let copy = Function(`return ${test}`.replaceAll("setElem", setter))(); 44 45 copy(TA); 46 }