/** * @license Apache-2.0 * * Copyright (c) 2018 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. */ 'use strict'; // MODULES // var tape = require( 'tape' ); var Int32Array = require( '@stdlib/array/int32' ); var Number = require( '@stdlib/number/ctor' ); var isNegativeIntegerArray = require( './../lib' ); // TESTS // tape( 'main export is a function', function test( t ) { t.ok( true, __filename ); t.strictEqual( typeof isNegativeIntegerArray, 'function', 'main export is a function' ); t.end(); }); tape( 'the function tests for an array-like object containing only negative integer values', function test( t ) { var arr; arr = [ -5.0, new Number( -5 ), -1.0 ]; t.equal( isNegativeIntegerArray( arr ), true, 'returns true' ); arr = new Int32Array( [ -2, -9, -4 ] ); t.equal( isNegativeIntegerArray( arr ), true, 'returns true' ); arr = { 'length': 2, '0': new Number( -5 ), '1': new Number( -2 ) }; t.equal( isNegativeIntegerArray( arr ), true, 'returns true' ); arr = [ -5.0, '3', null ]; t.equal( isNegativeIntegerArray( arr ), false, 'returns false' ); t.end(); }); tape( 'the function provides a method to test for an array-like object containing only negative primitive integers', function test( t ) { var arr; arr = [ -5.0, -1.0 ]; t.equal( isNegativeIntegerArray.primitives( arr ), true, 'returns true' ); arr = new Int32Array( [ -2, -9, -4 ] ); t.equal( isNegativeIntegerArray.primitives( arr ), true, 'returns true' ); arr = { 'length': 2, '0': new Number( -5 ), '1': new Number( -2 ) }; t.equal( isNegativeIntegerArray.primitives( arr ), false, 'returns false' ); arr = [ new Number( -5 ), -1.0, -1.0 ]; t.equal( isNegativeIntegerArray.primitives( arr ), false, 'returns false' ); t.end(); }); tape( 'the function provides a method to test for an array-like object containing only Number objects having negative integer values', function test( t ) { var arr; arr = [ new Number( -5 ), new Number( -5 ) ]; t.equal( isNegativeIntegerArray.objects( arr ), true, 'returns true' ); arr = [ -5, -3 ]; t.equal( isNegativeIntegerArray.objects( arr ), false, 'returns false' ); arr = { 'length': 2, '0': new Number( -5 ), '1': new Number( -2 ) }; t.equal( isNegativeIntegerArray.objects( arr ), true, 'returns true' ); arr = new Int32Array( [ -2, -9, -4 ] ); t.equal( isNegativeIntegerArray.objects( arr ), false, 'returns false' ); t.end(); });