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1 | 1 | /** |
2 | 2 | * @license Apache-2.0 |
3 | 3 | * |
4 | | -* Copyright (c) 2018 The Stdlib Authors. |
| 4 | +* Copyright (c) 2023 The Stdlib Authors. |
5 | 5 | * |
6 | 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
7 | 7 | * you may not use this file except in compliance with the License. |
|
16 | 16 | * limitations under the License. |
17 | 17 | */ |
18 | 18 |
|
19 | | -/* eslint-disable object-curly-newline */ |
20 | | - |
21 | 19 | 'use strict'; |
22 | 20 |
|
23 | 21 | // MODULES // |
24 | 22 |
|
25 | 23 | var tape = require( 'tape' ); |
26 | | -var Float64Array = require( '@stdlib/array-float64' ); |
27 | | -var ArrayBuffer = require( '@stdlib/array-buffer' ); |
28 | | -var unshift = require( './../../dist' ); |
| 24 | +var main = require( './../../dist' ); |
29 | 25 |
|
30 | 26 |
|
31 | 27 | // TESTS // |
32 | 28 |
|
33 | | -tape( 'main export is a function', function test( t ) { |
| 29 | +tape( 'main export is defined', function test( t ) { |
34 | 30 | t.ok( true, __filename ); |
35 | | - t.strictEqual( typeof unshift, 'function', 'main export is a function' ); |
36 | | - t.end(); |
37 | | -}); |
38 | | - |
39 | | -tape( 'the function throws an error if not provided either an array, typed array, or an array-like object', function test( t ) { |
40 | | - var values; |
41 | | - var i; |
42 | | - |
43 | | - values = [ |
44 | | - '5', |
45 | | - 5, |
46 | | - NaN, |
47 | | - true, |
48 | | - false, |
49 | | - null, |
50 | | - void 0, |
51 | | - function noop() {}, |
52 | | - new Date(), |
53 | | - new RegExp( '.+' ), // eslint-disable-line prefer-regex-literals |
54 | | - {}, |
55 | | - { 'length': null }, |
56 | | - { 'length': -1 }, |
57 | | - { 'length': 3.14 } |
58 | | - ]; |
59 | | - |
60 | | - for ( i = 0; i < values.length; i++ ) { |
61 | | - t.throws( badValue( values[ i ] ), TypeError, 'throws a type error when provided '+values[i] ); |
62 | | - } |
63 | | - t.end(); |
64 | | - |
65 | | - function badValue( value ) { |
66 | | - return function badValue() { |
67 | | - unshift( value, 1.0 ); |
68 | | - }; |
69 | | - } |
70 | | -}); |
71 | | - |
72 | | -tape( 'the function adds one or more elements to an array', function test( t ) { |
73 | | - var expected; |
74 | | - var arr; |
75 | | - var out; |
76 | | - |
77 | | - arr = [ 1.0, 2.0, 3.0, 4.0, 5.0 ]; |
78 | | - out = unshift( arr, 6.0 ); |
79 | | - |
80 | | - t.strictEqual( out, arr, 'returns input array' ); |
81 | | - |
82 | | - expected = [ 6.0, 1.0, 2.0, 3.0, 4.0, 5.0 ]; |
83 | | - t.deepEqual( arr, expected, 'deep equal' ); |
84 | | - |
85 | | - out = unshift( arr, 7.0, 8.0 ); |
86 | | - |
87 | | - expected = [ 7.0, 8.0, 6.0, 1.0, 2.0, 3.0, 4.0, 5.0 ]; |
88 | | - t.deepEqual( arr, expected, 'deep equal' ); |
89 | | - |
90 | | - t.end(); |
91 | | -}); |
92 | | - |
93 | | -tape( 'the function adds one or more elements to an array-like object', function test( t ) { |
94 | | - var expected; |
95 | | - var arr; |
96 | | - var out; |
97 | | - |
98 | | - arr = { |
99 | | - 'length': 0 |
100 | | - }; |
101 | | - out = unshift( arr, 1.0 ); |
102 | | - |
103 | | - t.strictEqual( out, arr, 'returns input collection' ); |
104 | | - |
105 | | - expected = { |
106 | | - 'length': 1, |
107 | | - '0': 1.0 |
108 | | - }; |
109 | | - t.deepEqual( arr, expected, 'deep equal' ); |
110 | | - |
111 | | - out = unshift( arr, 2.0, 3.0 ); |
112 | | - |
113 | | - expected = { |
114 | | - 'length': 3, |
115 | | - '0': 2.0, |
116 | | - '1': 3.0, |
117 | | - '2': 1.0 |
118 | | - }; |
119 | | - t.deepEqual( arr, expected, 'deep equal' ); |
120 | | - |
121 | | - t.end(); |
122 | | -}); |
123 | | - |
124 | | -tape( 'the function adds one or more elements to a typed array', function test( t ) { |
125 | | - var expected; |
126 | | - var arr; |
127 | | - var out; |
128 | | - var i; |
129 | | - |
130 | | - arr = new Float64Array(); |
131 | | - out = unshift( arr, 1.0 ); |
132 | | - |
133 | | - t.notEqual( out, arr, 'does not return input array (new view)' ); |
134 | | - |
135 | | - expected = new Float64Array( [ 1.0 ] ); |
136 | | - for ( i = 0; i < expected.length; i++ ) { |
137 | | - t.strictEqual( out[ i ], expected[ i ], 'has expected value for element '+i ); |
138 | | - } |
139 | | - |
140 | | - out = unshift( out, 2.0, 3.0, 4.0 ); |
141 | | - |
142 | | - expected = new Float64Array( [ 2.0, 3.0, 4.0, 1.0 ] ); |
143 | | - for ( i = 0; i < expected.length; i++ ) { |
144 | | - t.strictEqual( out[ i ], expected[ i ], 'has expected value for element '+i ); |
145 | | - } |
146 | | - |
147 | | - out = unshift( out, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0 ); |
148 | | - |
149 | | - expected = new Float64Array([ |
150 | | - 5.0, |
151 | | - 6.0, |
152 | | - 7.0, |
153 | | - 8.0, |
154 | | - 9.0, |
155 | | - 10.0, |
156 | | - 11.0, |
157 | | - 12.0, |
158 | | - 13.0, |
159 | | - 14.0, |
160 | | - 2.0, |
161 | | - 3.0, |
162 | | - 4.0, |
163 | | - 1.0 |
164 | | - ]); |
165 | | - for ( i = 0; i < expected.length; i++ ) { |
166 | | - t.strictEqual( out[ i ], expected[ i ], 'has expected value for element '+i ); |
167 | | - } |
168 | | - |
169 | | - t.end(); |
170 | | -}); |
171 | | - |
172 | | -tape( 'the function adds one or more elements to a typed array (preallocated buffer)', function test( t ) { |
173 | | - var expected; |
174 | | - var buf; |
175 | | - var arr; |
176 | | - var out; |
177 | | - var i; |
178 | | - |
179 | | - buf = new ArrayBuffer( 64000 ); |
180 | | - arr = new Float64Array( buf, 64000, 0 ); |
181 | | - out = unshift( arr, 1.0 ); |
182 | | - |
183 | | - t.notEqual( out, arr, 'does not return input array (new view)' ); |
184 | | - |
185 | | - expected = new Float64Array( [ 1.0 ] ); |
186 | | - for ( i = 0; i < expected.length; i++ ) { |
187 | | - t.strictEqual( out[ i ], expected[ i ], 'has expected value for element '+i ); |
188 | | - } |
189 | | - t.strictEqual( out.buffer, arr.buffer, 'same underlying buffer' ); |
190 | | - |
191 | | - out = unshift( out, 2.0, 3.0, 4.0 ); |
192 | | - |
193 | | - expected = new Float64Array( [ 2.0, 3.0, 4.0, 1.0 ] ); |
194 | | - for ( i = 0; i < expected.length; i++ ) { |
195 | | - t.strictEqual( out[ i ], expected[ i ], 'has expected value for element '+i ); |
196 | | - } |
197 | | - t.strictEqual( out.buffer, arr.buffer, 'same underlying buffer' ); |
198 | | - |
199 | | - out = unshift( out, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0 ); |
200 | | - |
201 | | - expected = new Float64Array([ |
202 | | - 5.0, |
203 | | - 6.0, |
204 | | - 7.0, |
205 | | - 8.0, |
206 | | - 9.0, |
207 | | - 10.0, |
208 | | - 11.0, |
209 | | - 12.0, |
210 | | - 13.0, |
211 | | - 14.0, |
212 | | - 2.0, |
213 | | - 3.0, |
214 | | - 4.0, |
215 | | - 1.0 |
216 | | - ]); |
217 | | - for ( i = 0; i < expected.length; i++ ) { |
218 | | - t.strictEqual( out[ i ], expected[ i ], 'has expected value for element '+i ); |
219 | | - } |
220 | | - t.strictEqual( out.buffer, arr.buffer, 'same underlying buffer' ); |
221 | | - |
222 | | - t.end(); |
223 | | -}); |
224 | | - |
225 | | -tape( 'the function adds one or more elements to a typed array (offset view)', function test( t ) { |
226 | | - var expected; |
227 | | - var arr; |
228 | | - var buf; |
229 | | - var out; |
230 | | - var i; |
231 | | - |
232 | | - buf = new ArrayBuffer( 32 ); |
233 | | - arr = new Float64Array( buf, 2*8, 0 ); // 8 bytes per double |
234 | | - out = unshift( arr, 1.0 ); |
235 | | - |
236 | | - t.notEqual( out, arr, 'does not return input array (new view)' ); |
237 | | - |
238 | | - expected = new Float64Array( [ 1.0 ] ); |
239 | | - for ( i = 0; i < expected.length; i++ ) { |
240 | | - t.strictEqual( out[ i ], expected[ i ], 'has expected value for element '+i ); |
241 | | - } |
242 | | - t.strictEqual( out.buffer, arr.buffer, 'same underlying buffer' ); |
243 | | - |
244 | | - out = unshift( out, 2.0, 3.0, 4.0 ); |
245 | | - |
246 | | - expected = new Float64Array( [ 2.0, 3.0, 4.0, 1.0 ] ); |
247 | | - for ( i = 0; i < expected.length; i++ ) { |
248 | | - t.strictEqual( out[ i ], expected[ i ], 'has expected value for element '+i ); |
249 | | - } |
250 | | - t.notEqual( out.buffer, arr.buffer, 'new underlying buffer' ); |
251 | | - |
252 | | - out = unshift( out, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0 ); |
253 | | - |
254 | | - expected = new Float64Array([ |
255 | | - 5.0, |
256 | | - 6.0, |
257 | | - 7.0, |
258 | | - 8.0, |
259 | | - 9.0, |
260 | | - 10.0, |
261 | | - 11.0, |
262 | | - 12.0, |
263 | | - 13.0, |
264 | | - 14.0, |
265 | | - 2.0, |
266 | | - 3.0, |
267 | | - 4.0, |
268 | | - 1.0 |
269 | | - ]); |
270 | | - for ( i = 0; i < expected.length; i++ ) { |
271 | | - t.strictEqual( out[ i ], expected[ i ], 'has expected value for element '+i ); |
272 | | - } |
273 | | - t.notEqual( out.buffer, arr.buffer, 'new underlying buffer' ); |
274 | | - |
275 | | - t.end(); |
276 | | -}); |
277 | | - |
278 | | -tape( 'the function adds one or more elements to a typed array (shared `ArrayBuffer`)', function test( t ) { |
279 | | - var expected; |
280 | | - var arr1; |
281 | | - var arr2; |
282 | | - var arr3; |
283 | | - var buf; |
284 | | - var out; |
285 | | - var i; |
286 | | - |
287 | | - buf = new ArrayBuffer( 64 ); |
288 | | - |
289 | | - arr1 = new Float64Array( buf, 4*8, 2 ); // 8 bytes per double |
290 | | - arr2 = new Float64Array( buf, 6*8, 2 ); |
291 | | - arr3 = new Float64Array( buf, 8*8, 0 ); |
292 | | - |
293 | | - arr1[ 0 ] = 3.14; |
294 | | - arr1[ 1 ] = 6.28; |
295 | | - |
296 | | - arr2[ 0 ] = -3.14; |
297 | | - arr2[ 1 ] = -6.28; |
298 | | - |
299 | | - out = unshift( arr3, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ); |
300 | | - |
301 | | - t.notEqual( out, arr3, 'does not return input array (new view)' ); |
302 | | - |
303 | | - expected = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); |
304 | | - for ( i = 0; i < expected.length; i++ ) { |
305 | | - t.strictEqual( out[ i ], expected[ i ], 'has expected value for element '+i ); |
306 | | - } |
307 | | - t.strictEqual( out.buffer, arr3.buffer, 'same underlying buffer' ); |
308 | | - |
309 | | - expected = new Float64Array( [ 3.0, 4.0 ] ); |
310 | | - for ( i = 0; i < expected.length; i++ ) { |
311 | | - t.strictEqual( arr1[ i ], expected[ i ], 'value was overwritten for element '+i ); |
312 | | - } |
313 | | - t.strictEqual( out.buffer, arr1.buffer, 'same underlying buffer' ); |
314 | | - |
315 | | - expected = new Float64Array( [ 5.0, 6.0 ] ); |
316 | | - for ( i = 0; i < expected.length; i++ ) { |
317 | | - t.strictEqual( arr2[ i ], expected[ i ], 'value was overwritten for element '+i ); |
318 | | - } |
319 | | - t.strictEqual( out.buffer, arr2.buffer, 'same underlying buffer' ); |
320 | | - |
| 31 | + t.strictEqual( main !== void 0, true, 'main export is defined' ); |
321 | 32 | t.end(); |
322 | 33 | }); |
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