text: /**
  * @license Apache-2.0
  *
  * Copyright (c) 2018 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 NINF = require( '@stdlib/constants-float64-ninf' );
  var mode = require( './../lib' );
  
  
  // FIXTURES //
  
  var data = require( './fixtures/julia/data.json' );
  
  
  // TESTS //
  
  tape( 'main export is a function', function test( t ) {
  	t.ok( true, __filename );
  	t.equal( typeof mode, 'function', 'main export is a function' );
  	t.end();
  });
  
  tape( 'if provided `NaN` for `lambda`, the function returns `NaN`', function test( t ) {
  	var v = mode( NaN );
  	t.equal( isnan( v ), true, 'returns NaN' );
  	t.end();
  });
  
  tape( 'if provided a rate parameter `lambda` that is not a nonnegative number, the function returns `NaN`', function test( t ) {
  	var v;
  
  	v = mode( -1.0 );
  	t.equal( isnan( v ), true, 'returns NaN' );
  
  	v = mode( NINF );
  	t.equal( isnan( v ), true, 'returns NaN' );
  
  	t.end();
  });
  
  tape( 'the function returns the mode of an exponential distribution', function test( t ) {
  	var expected;
  	var lambda;
  	var i;
  	var y;
  
  	expected = data.expected;
  	lambda = data.lambda;
  	for ( i = 0; i < expected.length; i++ ) {
  		y = mode( lambda[i] );
  		t.equal( y, expected[i], 'lambda: '+lambda[i]+', y: '+y+', expected: '+expected[i] );
  	}
  	t.end();
  });
  