UNPKG

@stdlib/wasm

Version:
177 lines (146 loc) 5.83 kB
/* * @license Apache-2.0 * * Copyright (c) 2024 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /// <reference types="@stdlib/types"/> import { AccessorArrayLike, ArrayLike } from '@stdlib/types/array'; import Complex128Array = require( '@stdlib/array/complex128' ); import Complex64Array = require( '@stdlib/array/complex64' ); import strided2object = require( './index' ); /** * Returns an array-like object supporting the get/set protocol. * * @returns array-like object */ function accessorArray(): AccessorArrayLike<number> { const arr: AccessorArrayLike<number> = { '0': 1, '1': 2, '2': 3, '3': 4, '4': 5, '5': 6, 'length': 6, 'get': ( idx: number ): number => { return arr[ idx ]; }, 'set': ( value: number, idx: number ): void => { arr[ idx ] = value; } }; return arr; } /** * Returns an array-like object. * * @returns array-like object */ function arrayLike(): ArrayLike<number> { const arr: ArrayLike<number> = { '0': 1, '1': 2, '2': 3, '3': 4, '4': 5, '5': 6, 'length': 6 }; return arr; } // TESTS // // The function returns an array object... { const x1 = [ 1, 2, 3, 4, 5, 6 ]; strided2object( 6, x1, 1, 0 ); // $ExpectType GenericAccessorObject<number> const x2 = new Float64Array( [ 1, 2, 3, 4, 5, 6 ] ); strided2object( 6, x2, 1, 0 ); // $ExpectType Float64AccessorObject const x3 = new Float32Array( [ 1, 2, 3, 4, 5, 6 ] ); strided2object( 6, x3, 1, 0 ); // $ExpectType Float32AccessorObject const x4 = new Int32Array( [ 1, 2, 3, 4, 5, 6 ] ); strided2object( 6, x4, 1, 0 ); // $ExpectType Int32AccessorObject const x5 = new Int16Array( [ 1, 2, 3, 4, 5, 6 ] ); strided2object( 6, x5, 1, 0 ); // $ExpectType Int16AccessorObject const x6 = new Int8Array( [ 1, 2, 3, 4, 5, 6 ] ); strided2object( 6, x6, 1, 0 ); // $ExpectType Int8AccessorObject const x7 = new Uint32Array( [ 1, 2, 3, 4, 5, 6 ] ); strided2object( 6, x7, 1, 0 ); // $ExpectType Uint32AccessorObject const x8 = new Uint16Array( [ 1, 2, 3, 4, 5, 6 ] ); strided2object( 6, x8, 1, 0 ); // $ExpectType Uint16AccessorObject const x9 = new Uint8Array( [ 1, 2, 3, 4, 5, 6 ] ); strided2object( 6, x9, 1, 0 ); // $ExpectType Uint8AccessorObject const x10 = new Uint8ClampedArray( [ 1, 2, 3, 4, 5, 6 ] ); strided2object( 6, x10, 1, 0 ); // $ExpectType Uint8cAccessorObject const x11 = new Complex128Array( [ 1, 2, 3, 4, 5, 6 ] ); strided2object( 6, x11, 1, 0 ); // $ExpectType Complex128AccessorObject const x12 = new Complex64Array( [ 1, 2, 3, 4, 5, 6 ] ); strided2object( 6, x12, 1, 0 ); // $ExpectType Complex64AccessorObject const x13 = accessorArray(); strided2object( 6, x13, 1, 0 ); // $ExpectType GetSetAccessorObject<number> const x14 = arrayLike(); strided2object( 6, x14, 1, 0 ); // $ExpectType IndexedAccessorObject<number> } // The compiler throws an error if the function is provided a first argument which is not a number... { const x = [ 1, 2, 3, 4, 5, 6 ]; strided2object( '123', x, 1, 0 ); // $ExpectError strided2object( true, x, 1, 0 ); // $ExpectError strided2object( false, x, 1, 0 ); // $ExpectError strided2object( null, x, 1, 0 ); // $ExpectError strided2object( {}, x, 1, 0 ); // $ExpectError strided2object( [], x, 1, 0 ); // $ExpectError strided2object( ( x: number ): number => x, x, 1, 0 ); // $ExpectError } // The compiler throws an error if the function is provided a second argument which is not a collection... { const x = [ 1, 2, 3, 4, 5, 6 ]; strided2object( x.length, 123, 1, 0 ); // $ExpectError strided2object( x.length, true, 1, 0 ); // $ExpectError strided2object( x.length, false, 1, 0 ); // $ExpectError strided2object( x.length, null, 1, 0 ); // $ExpectError strided2object( x.length, {}, 1, 0 ); // $ExpectError strided2object( x.length, ( x: number ): number => x, 1, 0 ); // $ExpectError } // The compiler throws an error if the function is provided a third argument which is not a number... { const x = [ 1, 2, 3, 4, 5, 6 ]; strided2object( x.length, x, '123', 0 ); // $ExpectError strided2object( x.length, x, true, 0 ); // $ExpectError strided2object( x.length, x, false, 0 ); // $ExpectError strided2object( x.length, x, null, 0 ); // $ExpectError strided2object( x.length, x, {}, 0 ); // $ExpectError strided2object( x.length, x, [], 0 ); // $ExpectError strided2object( x.length, x, ( x: number ): number => x, 0 ); // $ExpectError } // The compiler throws an error if the function is provided a fourth argument which is not a number... { const x = [ 1, 2, 3, 4, 5, 6 ]; strided2object( x.length, x, 1, '123' ); // $ExpectError strided2object( x.length, x, 1, true ); // $ExpectError strided2object( x.length, x, 1, false ); // $ExpectError strided2object( x.length, x, 1, null ); // $ExpectError strided2object( x.length, x, 1, {} ); // $ExpectError strided2object( x.length, x, 1, [] ); // $ExpectError strided2object( x.length, x, 1, ( x: number ): number => x ); // $ExpectError } // The compiler throws an error if the function is provided an unsupported number of arguments... { const x = [ 1, 2, 3, 4, 5, 6 ]; strided2object(); // $ExpectError strided2object( x.length ); // $ExpectError strided2object( x.length, x ); // $ExpectError strided2object( x.length, x, 1 ); // $ExpectError strided2object( x.length, x, 1, 0, {} ); // $ExpectError }