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 resolve = require( 'path' ).resolve;
  var basename = require( 'path' ).basename;
  var tape = require( 'tape' );
  var IS_BROWSER = require( '@stdlib/assert/is-browser' );
  var cwd = require( '@stdlib/process/cwd' );
  var resolveParentPath = require( './../lib/sync.js' );
  
  
  // VARIABLES //
  
  // Don't run tests in the browser...for now...
  var opts = {
  	'skip': IS_BROWSER // FIXME
  };
  
  
  // TESTS //
  
  tape( 'main export is a function', function test( t ) {
  	t.ok( true, __filename );
  	t.equal( typeof resolveParentPath, 'function', 'main export is a function' );
  	t.end();
  });
  
  tape( 'the function throws an error if provided a `path` argument which is not a string', function test( t ) {
  	var values;
  	var i;
  
  	values = [
  		5,
  		NaN,
  		null,
  		void 0,
  		true,
  		[],
  		{},
  		function noop() {}
  	];
  
  	for ( i = 0; i < values.length; i++ ) {
  		t.throws( badValue( values[i] ), TypeError, 'throws a type error when provided '+values[i] );
  	}
  	t.end();
  
  	function badValue( value ) {
  		return function badValue() {
  			resolveParentPath( value );
  		};
  	}
  });
  
  tape( 'the function throws an error if provided a `path` argument which is not a string (options)', function test( t ) {
  	var values;
  	var i;
  
  	values = [
  		5,
  		NaN,
  		null,
  		void 0,
  		true,
  		[],
  		{},
  		function noop() {}
  	];
  
  	for ( i = 0; i < values.length; i++ ) {
  		t.throws( badValue( values[i] ), TypeError, 'throws a type error when provided '+values[i] );
  	}
  	t.end();
  
  	function badValue( value ) {
  		return function badValue() {
  			resolveParentPath( value, {} );
  		};
  	}
  });
  
  tape( 'the function throws an error if provided an options argument which is not an object', function test( t ) {
  	var values;
  	var i;
  
  	values = [
  		'5',
  		5,
  		NaN,
  		null,
  		void 0,
  		true,
  		[],
  		function noop() {}
  	];
  
  	for ( i = 0; i < values.length; i++ ) {
  		t.throws( badValue( values[i] ), TypeError, 'throws a type error when provided '+values[i] );
  	}
  	t.end();
  
  	function badValue( value ) {
  		return function badValue() {
  			resolveParentPath( 'beep', value );
  		};
  	}
  });
  
  tape( 'the function throws an error if provided an invalid option', function test( t ) {
  	var values;
  	var i;
  
  	values = [
  		5,
  		NaN,
  		null,
  		void 0,
  		true,
  		[],
  		{},
  		function noop() {}
  	];
  
  	for ( i = 0; i < values.length; i++ ) {
  		t.throws( badValue( values[i] ), TypeError, 'throws a type error when provided '+values[i] );
  	}
  	t.end();
  
  	function badValue( value ) {
  		return function badValue() {
  			resolveParentPath( 'beep', {
  				'dir': value
  			});
  		};
  	}
  });
  
  tape( 'the function resolves a path by walking parent directories', opts, function test( t ) {
  	var expected;
  	var actual;
  	var base;
  	var dir;
  
  	dir = cwd();
  	base = basename( dir );
  
  	expected = dir;
  	actual = resolveParentPath( base );
  
  	t.strictEqual( actual, expected, 'returns path' );
  	t.end();
  });
  
  tape( 'the function resolves a path by walking parent directories (dir option)', opts, function test( t ) {
  	var expected;
  	var actual;
  	var opts;
  
  	expected = resolve( __dirname, '../package.json' );
  
  	opts = {
  		'dir': __dirname
  	};
  	actual = resolveParentPath( 'package.json', opts );
  
  	t.strictEqual( actual, expected, 'returns path' );
  	t.end();
  });
  
  tape( 'the function returns `null` if unable to resolve a parent path', opts, function test( t ) {
  	var actual = resolveParentPath( 'beep-boop!!!hello world!?!' );
  
  	t.strictEqual( actual, null, 'returns null' );
  	t.end();
  });
  
  tape( 'the function returns `null` if unable to resolve a parent path (options)', opts, function test( t ) {
  	var actual;
  	var opts;
  
  	opts = {
  		'dir': __dirname
  	};
  	actual = resolveParentPath( 'beep-boop!!!hello world!?!', opts );
  
  	t.strictEqual( actual, null, 'returns null' );
  	t.end();
  });
  