text: /**
  * @license Apache-2.0
  *
  * Copyright (c) 2020 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 bench = require( '@stdlib/bench' );
  var array = require( '@stdlib/ndarray/array' );
  var isObject = require( '@stdlib/assert/is-object' );
  var isString = require( '@stdlib/assert/is-string' ).isPrimitive;
  var discreteUniform = require( '@stdlib/random/base/discrete-uniform' );
  var max = require( '@stdlib/math/base/special/max' );
  var pkg = require( './../package.json' ).name;
  var chi2test = require( './../lib' );
  
  
  // MAIN //
  
  bench( pkg, function benchmark( b ) {
  	var result;
  	var len;
  	var x;
  	var i;
  
  	// Generate contingency table:
  	len = 100;
  	x = new Array( len );
  	for ( i = 0; i < x.length; i++ ) {
  		x[ i ] = discreteUniform( 10, 50 );
  	}
  	x = array( x, {
  		'shape': [ 10, 10 ]
  	});
  
  	b.tic();
  	for ( i = 0; i < b.iterations; i++ ) {
  		x.data[ i % x.data.length ] += max( discreteUniform( -1, 1 ), 0 );
  		result = chi2test( x );
  		if ( typeof result !== 'object' ) {
  			b.fail( 'should return an object' );
  		}
  	}
  	b.toc();
  	if ( !isObject( result ) ) {
  		b.fail( 'should return an object' );
  	}
  	b.pass( 'benchmark finished' );
  	b.end();
  });
  
  bench( pkg+':print', function benchmark( b ) {
  	var digits;
  	var result;
  	var output;
  	var x;
  	var i;
  
  	x = array([
  		/* Grades Popular Sports */
  		[ 63, 31, 25 ], // 4th
  		[ 88, 55, 33 ], // 5th
  		[ 96, 55, 32 ] // 6th
  	]);
  	result = chi2test( x );
  
  	b.tic();
  	for ( i = 0; i < b.iterations; i++ ) {
  		digits = ( i % 8 ) + 1;
  		output = result.print({
  			'digits': digits
  		});
  		if ( typeof output !== 'string' ) {
  			b.fail( 'should return a string' );
  		}
  	}
  	b.toc();
  	if ( !isString( output ) ) {
  		b.fail( 'should return a string' );
  	}
  	b.pass( 'benchmark finished' );
  	b.end();
  });
  