/**
* @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 reDirnamePosix = require( './../lib/main.js' );


// TESTS //

tape( 'main export is a function', function test( t ) {
	t.ok( true, __filename );
	t.equal( reDirnamePosix instanceof Function, true, 'main export is a function' );
	t.end();
});

tape( 'the function returns a regular expression that captures POSIX path dirnames', function test( t ) {
	var expected;
	var values;
	var dir;
	var RE;
	var i;

	RE = reDirnamePosix();

	values = [
		'index.js',
		'/foo/bar/home.html',
		'/foo/bar/home',
		'foo/file.pdf',
		'./foo/file',
		'./index.js/',
		'foo/bar/home.html/',
		'.gitigno.re',
		'/foo/bar/.editorconf.ig',
		'main/.travis.yml',
		'./foo foo foo/bar bar_bar/',
		'./../../foo/bar',
		'./../../',
		'./',
		'.',
		'boop.'
	];

	expected = [
		'',
		'/foo/bar',
		'/foo/bar',
		'foo',
		'./foo',
		'.',
		'foo/bar',
		'',
		'/foo/bar',
		'main',
		'./foo foo foo',
		'./../../foo',
		'./..',
		'.',
		'.',
		''
	];

	for ( i = 0; i < values.length; i++ ) {
		dir = RE.exec( values[ i ] )[ 1 ];
		t.equal( dir, expected[ i ], values[ i ] );
	}
	t.end();
});
