/* * @license Apache-2.0 * * Copyright (c) 2021 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. */ import dtypeEnum = require( './index' ); // TESTS // // The function returns a number or null... { dtypeEnum( [ 1, 2, 3 ] ); // $ExpectType number | null dtypeEnum( 'beep' ); // $ExpectType number | null } // The compiler throws an error if the function is provided an argument which is not a collection... { dtypeEnum( 2 ); // $ExpectError dtypeEnum( false ); // $ExpectError dtypeEnum( true ); // $ExpectError dtypeEnum( {} ); // $ExpectError dtypeEnum( null ); // $ExpectError } // The compiler throws an error if the function is provided an unsupported number of arguments... { dtypeEnum(); // $ExpectError dtypeEnum( [ 1, 2, 3 ], 3 ); // $ExpectError }