From 412a2d3c9d6d9b6de1d3f9eec0739e746c15a12d Mon Sep 17 00:00:00 2001
From: chencheng <yunqian@taobao.com>
Date: Mon, 11 Aug 2014 11:42:25 +0800
Subject: [PATCH] fix isroot testcase

---
 lib/sdk/file.js | 4 ++--
 tests/file.js   | 5 ++---
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/lib/sdk/file.js b/lib/sdk/file.js
index 01b8a73e..5ea0a34b 100644
--- a/lib/sdk/file.js
+++ b/lib/sdk/file.js
@@ -6,8 +6,8 @@ var log = require('../utils/log');
 
 var file = module.exports = {};
 
-file.isroot = function(str) {
-  if (process.platform === 'win32') {
+file.isroot = function(str, platform) {
+  if ((platform || process.platform) === 'win32') {
     return path.normalize(str).slice(1, 3) === ':\\';
   } else {
     return str.charAt(0) === '/';
diff --git a/tests/file.js b/tests/file.js
index b16181d0..828484ec 100644
--- a/tests/file.js
+++ b/tests/file.js
@@ -5,9 +5,8 @@ describe('file', function() {
   it('isroot', function() {
     file.isroot('/').should.eql(true);
     var oldPlatform = process.platform;
-    process.platform = 'win32';
-    file.isroot('C:\\').should.eql(true);
-    file.isroot('D:\\').should.eql(true);
+    file.isroot('C:\\', 'win32').should.eql(true);
+    file.isroot('D:\\', 'win32').should.eql(true);
     process.platform = oldPlatform;
   });