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test.js
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139 lines (114 loc) · 3.5 KB
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/**
* @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.
*/
/* eslint-disable max-len */
'use strict';
// MODULES //
var tape = require( 'tape' );
var zeros = require( '@stdlib/array-zeros' );
var ones = require( '@stdlib/array-ones' );
var ndarray = require( '@stdlib/ndarray-ctor' );
var shape2strides = require( '@stdlib/ndarray-base-shape2strides' );
var strides2offset = require( '@stdlib/ndarray-base-strides2offset' );
var numel = require( '@stdlib/ndarray-base-numel' );
var map = require( './../lib' );
// TESTS //
tape( 'main export is a function', function test( t ) {
t.ok( true, __filename );
t.strictEqual( typeof map, 'function', 'main export is a function' );
t.end();
});
tape( 'the function throws an error if provided input and output ndarrays which do not have the same number of dimensions', function test( t ) {
var shapes;
var i;
shapes = [
[ [ 4, 2, 1 ], [ 4, 2 ] ],
[ [ 2, 2 ], [ 2, 2, 2 ] ],
[ [ 1, 1, 1, 1 ], [ 1, 1, 1 ] ],
[ [ 2, 2, 1, 2 ], [ 2, 1, 2 ] ],
[ [ 1, 1, 4, 2, 2, 2 ], [ 10, 2 ] ],
[ [ 1, 1, 1, 1 ], [ 1, 1, 1 ] ]
];
for ( i = 0; i < shapes.length; i++ ) {
t.throws( badValue( shapes[i][0], shapes[i][1] ), Error, 'throws an error when input shape is ' + shapes[i][0] + ' and output shape is ' + shapes[i][1] );
}
t.end();
function scale( z ) {
return z * 10.0;
}
function badValue( sh1, sh2 ) {
return function badValue() {
var dtype;
var ord;
var st1;
var st2;
var o1;
var o2;
var x;
var y;
ord = 'row-major';
dtype = 'float64';
st1 = shape2strides( sh1, ord );
st2 = shape2strides( sh2, ord );
o1 = strides2offset( sh1, st1 );
o2 = strides2offset( sh2, st2 );
x = ndarray( dtype, ones( numel( sh1 ), dtype ), sh1, st1, o1, ord );
y = ndarray( dtype, zeros( numel( sh2 ), dtype ), sh2, st2, o2, ord );
map( [ x, y ], scale );
};
}
});
tape( 'the function throws an error if provided input and output ndarrays which do not have the same shape', function test( t ) {
var shapes;
var i;
shapes = [
[ [ 4, 2, 1 ], [ 4, 2, 2 ] ],
[ [ 3, 3 ], [ 2, 2 ] ],
[ [ 5, 5, 5 ], [ 5, 5, 4 ] ],
[ [ 1, 1, 1 ], [ 2, 2, 2 ] ],
[ [ 1, 4, 1, 2, 2 ], [ 3, 8 ] ],
[ [ 10, 2, 1 ], [ 1, 2, 10 ] ]
];
for ( i = 0; i < shapes.length; i++ ) {
t.throws( badValue( shapes[i][0], shapes[i][1] ), Error, 'throws an error when input shape is ' + shapes[i][0] + ' and output shape is ' + shapes[i][1] );
}
t.end();
function scale( z ) {
return z * 10.0;
}
function badValue( sh1, sh2 ) {
return function badValue() {
var dtype;
var ord;
var st1;
var st2;
var o1;
var o2;
var x;
var y;
ord = 'row-major';
dtype = 'float64';
st1 = shape2strides( sh1, ord );
st2 = shape2strides( sh2, ord );
o1 = strides2offset( sh1, st1 );
o2 = strides2offset( sh2, st2 );
x = ndarray( dtype, ones( numel( sh1 ), dtype ), sh1, st1, o1, ord );
y = ndarray( dtype, zeros( numel( sh2 ), dtype ), sh2, st2, o2, ord );
map( [ x, y ], scale );
};
}
});