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test: add ndarray tests
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‎lib/node_modules/@stdlib/ndarray/fancy/test/test.instance.get.js‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2023 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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// MODULES //
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var tape = require( 'tape' );
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var Float64Array = require( '@stdlib/array/float64' );
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var hasOwnProp = require( '@stdlib/assert/has-own-property' );
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var hasProp = require( '@stdlib/assert/has-property' );
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var isFunction = require( '@stdlib/assert/is-function' );
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var FancyArray = require( './../lib' );
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// TESTS //
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tape( 'main export is a function', function test( t ) {
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t.ok( true, __filename );
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t.strictEqual( typeof FancyArray, 'function', 'main export is a function' );
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t.end();
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});
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tape( 'a FancyArray constructor returns an instance which has a `get` method', function test( t ) {
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var strides;
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var buffer;
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var offset;
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var dtype;
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var order;
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var shape;
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var arr;
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dtype = 'float64';
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buffer = new Float64Array( [ 1.0, 2.0, 3.0, 4.0 ] );
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shape = [ 1, 1, 1, 2, 2 ];
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order = 'row-major';
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strides = [ 2, 1, 1, 1, 1 ];
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offset = 0;
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arr = new FancyArray( dtype, buffer, shape, strides, offset, order );
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t.strictEqual( hasOwnProp( arr, 'get' ), false, 'does not have own property' );
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t.strictEqual( hasProp( arr, 'get' ), true, 'has property' );
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t.strictEqual( isFunction( arr.get ), true, 'has method' );
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t.end();
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});
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tape( 'a FancyArray constructor returns an instance which has a `get` method (0d)', function test( t ) {
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var strides;
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var buffer;
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var offset;
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var dtype;
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var order;
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var shape;
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var arr;
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dtype = 'float64';
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buffer = new Float64Array( [ 1.0, 2.0, 3.0 ] );
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shape = [];
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order = 'row-major';
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strides = [ 0 ];
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offset = 1;
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arr = new FancyArray( dtype, buffer, shape, strides, offset, order );
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t.strictEqual( hasOwnProp( arr, 'get' ), false, 'does not have own property' );
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t.strictEqual( hasProp( arr, 'get' ), true, 'has property' );
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t.strictEqual( isFunction( arr.get ), true, 'has method' );
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t.end();
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});

‎lib/node_modules/@stdlib/ndarray/fancy/test/test.instance.get_0d.js‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2023 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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// MODULES //
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var tape = require( 'tape' );
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var Float64Array = require( '@stdlib/array/float64' );
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var Complex64Array = require( '@stdlib/array/complex64' );
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var realf = require( '@stdlib/complex/realf' );
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var imagf = require( '@stdlib/complex/imagf' );
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var FancyArray = require( './../lib' );
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// TESTS //
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tape( 'main export is a function', function test( t ) {
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t.ok( true, __filename );
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t.strictEqual( typeof FancyArray, 'function', 'main export is a function' );
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t.end();
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});
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tape( 'a FancyArray constructor returns an instance which has a `get` method which throws an error if provided any arguments (0d)', function test( t ) {
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var strides;
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var values;
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var buffer;
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var offset;
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var dtype;
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var order;
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var shape;
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var arr;
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var i;
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dtype = 'float64';
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buffer = new Float64Array( [ 1.0 ] );
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shape = [];
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order = 'row-major';
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strides = [ 0 ];
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offset = 0;
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arr = new FancyArray( dtype, buffer, shape, strides, offset, order );
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values = [
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'5',
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0,
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3.14,
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NaN,
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true,
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false,
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null,
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void 0,
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[],
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{},
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function noop() {}
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];
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for ( i = 0; i < values.length; i++ ) {
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t.throws( badValue( values[ i ] ), RangeError, 'throws an error when provided ' + values[ i ] );
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}
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t.end();
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function badValue( value ) {
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return function badValue() {
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arr.get( value );
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};
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}
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});
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tape( 'a FancyArray constructor returns an instance which has a `get` method for retrieving an array element (0d)', function test( t ) {
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var strides;
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var buffer;
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var offset;
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var dtype;
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var order;
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var shape;
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var arr;
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dtype = 'float64';
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buffer = new Float64Array( [ 1.0, 2.0, 3.0 ] );
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shape = [];
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order = 'row-major';
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strides = [ 0 ];
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offset = 1;
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arr = new FancyArray( dtype, buffer, shape, strides, offset, order );
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t.strictEqual( arr.get(), 2.0, 'returns expected value' );
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t.end();
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});
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tape( 'a FancyArray constructor returns an instance which has a `get` method for retrieving an array element (0d; complex typed)', function test( t ) {
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var strides;
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var buffer;
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var offset;
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var dtype;
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var order;
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var shape;
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var arr;
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var v;
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dtype = 'complex64';
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buffer = new Complex64Array( [ 1.0, 2.0 ] );
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shape = [];
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order = 'row-major';
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strides = [ 0 ];
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offset = 0;
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arr = new FancyArray( dtype, buffer, shape, strides, offset, order );
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v = arr.get();
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t.strictEqual( realf( v ), 1.0, 'returns expected value' );
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t.strictEqual( imagf( v ), 2.0, 'returns expected value' );
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t.end();
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});

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