test: add 1d tests

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---

Author: headlessNode

lib/node_modules/@stdlib/ndarray/base/some-by/test/test.1d.js

@@ -0,0 +1,219 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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 ones = require( '@stdlib/array/ones' );
+var zeros = require( '@stdlib/array/zeros' );
+var real = require( '@stdlib/complex/float64/real' );
+var imag = require( '@stdlib/complex/float64/imag' );
+var Complex128Array = require( '@stdlib/array/complex128' );
+var scalar2ndarray = require( '@stdlib/ndarray/from-scalar' );
+var ndarray = require( '@stdlib/ndarray/ctor' );
+var someBy = require( './../lib' );
+
+
+// TESTS //
+
+tape( 'main export is a function', function test( t ) {
+	t.ok( true, __filename );
+	t.strictEqual( typeof someBy, 'function', 'main export is a function');
+	t.end();
+});
+
+tape( 'the function tests whether at `n` elements in a 1-dimensional ndarray pass a test implemented by a predicate function', function test( t ) {
+	var actual;
+	var x;
+	var n;
+
+	x = ndarray( 'float64', zeros( 8, 'float64' ), [ 4 ], [ 2 ], 1, 'row-major' );
+	n = scalar2ndarray( 1, {
+		'dtype': 'generic'
+	});
+
+	actual = someBy( [ x, n ], clbk );
+	t.strictEqual( actual, false, 'returns expected value' );
+
+	x = ndarray( 'float64', ones( 8, 'float64' ), [ 4 ], [ 2 ], 1, 'row-major' );
+
+	actual = someBy( [ x, n ], clbk );
+	t.strictEqual( actual, true, 'returns expected value' );
+
+	t.end();
+
+	function clbk( v ) {
+		return v !== 0;
+	}
+});
+
+tape( 'the function tests whether at `n` elements in a 0-dimensional ndarray pass a test implemented by a predicate function (accessors)', function test( t ) {
+	var actual;
+	var xbuf;
+	var x;
+	var n;
+
+	xbuf = zeros( 6*2, 'float64' );
+	x = ndarray( 'complex128', new Complex128Array( xbuf ), [ 4 ], [ 1 ], 1, 'row-major' );
+	n = scalar2ndarray( 1, {
+		'dtype': 'generic'
+	});
+
+	actual = someBy( [ x, n ], clbk );
+	t.strictEqual( actual, false, 'returns expected value' );
+
+	xbuf = ones( 6*2, 'float64' );
+	x = ndarray( 'complex128', new Complex128Array( xbuf ), [ 4 ], [ 1 ], 1, 'row-major' );
+
+	actual = someBy( [ x, n ], clbk );
+	t.strictEqual( actual, true, 'returns expected value' );
+
+	t.end();
+
+	function clbk( v ) {
+		return ( real( v ) !== 0.0 && imag( v ) !== 0.0 );
+	}
+});
+
+tape( 'the function supports specifying the callback execution context', function test( t ) {
+	var expected;
+	var indices;
+	var values;
+	var arrays;
+	var actual;
+	var ctx;
+	var x;
+	var n;
+
+	x = new ndarray( 'float64', ones( 8, 'float64'), [ 4 ], [ 2 ], 0, 'row-major' );
+	n = scalar2ndarray( 4, {
+		'dtype': 'generic'
+	});
+
+	indices = [];
+	values = [];
+	arrays = [];
+
+	ctx = {
+		'count': 0
+	};
+	actual = someBy( [ x, n ], clbk, ctx );
+
+	t.strictEqual( actual, true, 'returns expected value' );
+	t.strictEqual( ctx.count, 4, 'returns expected value' );
+
+	expected = [
+		1.0,
+		1.0,
+		1.0,
+		1.0
+	];
+	t.deepEqual( values, expected, 'returns expected value' );
+
+	expected = [
+		[ 0 ],
+		[ 1 ],
+		[ 2 ],
+		[ 3 ]
+	];
+	t.deepEqual( indices, expected, 'returns expected value' );
+
+	expected = [
+		x,
+		x,
+		x,
+		x
+	];
+	t.deepEqual( arrays, expected, 'returns expected value' );
+
+	t.end();
+
+	function clbk( v, idx, arr ) {
+		this.count += 1; // eslint-disable-line no-invalid-this
+		values.push( v );
+		indices.push( idx );
+		arrays.push( arr );
+		return v !== 0.0;
+	}
+});
+
+tape( 'the function supports specifying the callback execution context (accessors)', function test( t ) {
+	var expected;
+	var indices;
+	var values;
+	var arrays;
+	var actual;
+	var xbuf;
+	var ctx;
+	var x;
+	var n;
+
+	xbuf = ones( 6*2, 'float64' );
+	x = ndarray( 'complex128', new Complex128Array( xbuf ), [ 4 ], [ 1 ], 1, 'row-major' );
+	n = scalar2ndarray( 4, {
+		'dtype': 'generic'
+	});
+
+	indices = [];
+	values = [];
+	arrays = [];
+
+	ctx = {
+		'count': 0
+	};
+	actual = someBy( [ x, n ], clbk, ctx );
+
+	t.strictEqual( actual, true, 'returns expected value' );
+	t.strictEqual( ctx.count, 4, 'returns expected value' );
+
+	expected = [
+		[ 1.0, 1.0 ],
+		[ 1.0, 1.0 ],
+		[ 1.0, 1.0 ],
+		[ 1.0, 1.0 ]
+	];
+	t.deepEqual( values, expected, 'returns expected value' );
+
+	expected = [
+		[ 0 ],
+		[ 1 ],
+		[ 2 ],
+		[ 3 ]
+	];
+	t.deepEqual( indices, expected, 'returns expected value' );
+
+	expected = [
+		x,
+		x,
+		x,
+		x
+	];
+	t.deepEqual( arrays, expected, 'returns expected value' );
+
+	t.end();
+
+	function clbk( v, idx, arr ) {
+		this.count += 1; // eslint-disable-line no-invalid-this
+		values.push( [ real( v ), imag( v ) ] );
+		indices.push( idx );
+		arrays.push( arr );
+		return ( real( v ) !== 0.0 && imag( v ) !== 0.0 );
+	}
+});