test: add tests to ndarray/base/some-by

PR-URL: #7305
Ref: #2656
Co-authored-by: Athan Reines <kgryte@gmail.com>
Reviewed-by: Athan Reines <kgryte@gmail.com>

Author: headlessNode

lib/node_modules/@stdlib/ndarray/base/some-by/test/test.0d.js

@@ -0,0 +1,93 @@
+/**
+* @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 Complex128 = require( '@stdlib/complex/float64/ctor' );
+var real = require( '@stdlib/complex/float64/real' );
+var imag = require( '@stdlib/complex/float64/imag' );
+var scalar2ndarray = require( '@stdlib/ndarray/from-scalar' );
+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 least `n` elements in a 0-dimensional ndarray pass a test implemented by a predicate function', function test( t ) {
+	var actual;
+	var x;
+	var n;
+
+	n = scalar2ndarray( 1, {
+		'dtype': 'generic'
+	});
+
+	x = scalar2ndarray( 0.0, {
+		'dtype': 'float64'
+	});
+	actual = someBy( [ x, n ], clbk );
+	t.strictEqual( actual, false, 'returns expected value' );
+
+	x = scalar2ndarray( 1.0, {
+		'dtype': 'float64'
+	});
+	actual = someBy( [ x, n ], clbk );
+	t.strictEqual( actual, true, 'returns expected value' );
+
+	t.end();
+
+	function clbk( v ) {
+		return v !== 0.0;
+	}
+});
+
+tape( 'the function tests whether at least `n` elements in a 0-dimensional ndarray pass a test implemented by a predicate function (accessors)', function test( t ) {
+	var actual;
+	var x;
+	var n;
+
+	n = scalar2ndarray( 1, {
+		'dtype': 'generic'
+	});
+
+	x = scalar2ndarray( new Complex128( 0.0, 0.0 ), {
+		'dtype': 'complex128'
+	});
+	actual = someBy( [ x, n ], clbk );
+	t.strictEqual( actual, false, 'returns expected value' );
+
+	x = scalar2ndarray( new Complex128( 1.0, 1.0 ), {
+		'dtype': 'complex128'
+	});
+	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 );
+	}
+});