fix: travis

Travis-CI uses Linux virtual machines, so we should use Linux-style file paths.
I fixed the problem with cross-platform file paths using node module "path".

index.js

@@ -4,6 +4,7 @@
 // Dependencies
 // ------------
 
+var path = require('path')
 var fs = require('fs')
 var urlparse = require('url').parse
 var urlformat = require('url').format
@@ -17,13 +18,13 @@ var PROCESS_NAME = 'iexplore.exe'
 
 // Find the ie executable
 function getInternetExplorerExe () {
-  var suffix = '\\Internet Explorer\\' + PROCESS_NAME
+  var suffix = path.join('Internet Explorer', PROCESS_NAME)
   var locations = _.map(_.compact([
     process.env['PROGRAMW6432'],
     process.env['PROGRAMFILES(X86)'],
     process.env['PROGRAMFILES']
   ]), function (prefix) {
-    return prefix + suffix
+    return path.join(prefix, suffix)
   })
 
   return _.find(locations, function (location) {

test/launcher.spec.js

@@ -101,9 +101,9 @@ describe('launcher', function () {
     var fsMock, win32Location
 
     beforeEach(function () {
-      process.env['PROGRAMW6432'] = '\\fake\\PROGRAMW6432'
-      process.env['PROGRAMFILES(X86)'] = '\\fake\\PROGRAMFILES(X86)'
-      process.env['PROGRAMFILES'] = '\\fake\\PROGRAMFILES'
+      process.env['PROGRAMW6432'] = path.normalize('/fake/PROGRAMW6432')
+      process.env['PROGRAMFILES(X86)'] = path.normalize('/fake/PROGRAMFILES(X86)')
+      process.env['PROGRAMFILES'] = path.normalize('/fake/PROGRAMFILES')
       fsMock = mocks.fs.create({
         'folder1': {
           'Internet Explorer': {
@@ -124,20 +124,20 @@ describe('launcher', function () {
     })
 
     it('should locate in PROGRAMW6432', function (done) {
-      process.env['' + 'PROGRAMW6432'] = '\\folder1'
-      expect(win32Location()).to.equal('\\folder1\\Internet Explorer\\iexplore.exe')
+      process.env['' + 'PROGRAMW6432'] = path.normalize('/folder1')
+      expect(win32Location()).to.equal(path.normalize('/folder1/Internet Explorer/iexplore.exe'))
       done()
     })
 
     it('should locate in PROGRAMFILES(X86)', function (done) {
-      process.env['' + 'PROGRAMFILES(X86)'] = '\\folder1'
-      expect(win32Location()).to.equal('\\folder1\\Internet Explorer\\iexplore.exe')
+      process.env['' + 'PROGRAMFILES(X86)'] = path.normalize('/folder1')
+      expect(win32Location()).to.equal(path.normalize('/folder1/Internet Explorer/iexplore.exe'))
       done()
     })
 
     it('should locate in PROGRAMFILES', function (done) {
-      process.env['' + 'PROGRAMFILES'] = '\\folder1'
-      expect(win32Location()).to.equal('\\folder1\\Internet Explorer\\iexplore.exe')
+      process.env['' + 'PROGRAMFILES'] = path.normalize('/folder1')
+      expect(win32Location()).to.equal(path.normalize('/folder1/Internet Explorer/iexplore.exe'))
       done()
     })