feat: add tests

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---

Author: anandkaranubc

lib/node_modules/@stdlib/stats/base/dists/bradford/mode/test/test.js

@@ -0,0 +1,71 @@
+/**
+* @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 isnan = require( '@stdlib/math/base/assert/is-nan' );
+var uniform = require( '@stdlib/random/array/uniform' );
+var NINF = require( '@stdlib/constants/float64/ninf' );
+var mode = require( './../lib' );
+
+
+// TESTS //
+
+tape( 'main export is a function', function test( t ) {
+	t.ok( true, __filename );
+	t.strictEqual( typeof mode, 'function', 'main export is a function' );
+	t.end();
+});
+
+tape( 'if provided `NaN` for `c`, the function returns `NaN`', function test( t ) {
+	var v = mode( NaN );
+	t.equal( isnan( v ), true, 'returns expected value' );
+	t.end();
+});
+
+tape( 'if provided `c <= 0`, the function returns `NaN`', function test( t ) {
+	var v;
+
+	v = mode( 0.0 );
+	t.equal( isnan( v ), true, 'returns expected value' );
+
+	v = mode( -1.0 );
+	t.equal( isnan( v ), true, 'returns expected value' );
+
+	v = mode( NINF );
+	t.equal( isnan( v ), true, 'returns expected value' );
+
+	t.end();
+});
+
+tape( 'the function returns `0.0` as the mode of a Bradford distribution', function test( t ) {
+	var c;
+	var i;
+	var y;
+
+	c = uniform( 10, 0.1, 10.0 );
+
+	for ( i = 0; i < c.length; i++ ) {
+		y = mode( c[ i ] );
+		t.equal( y, 0.0, 'returns expected value' );
+	}
+	t.end();
+});