Convert plist and strings to binary for iOS.

test/ios/gyptest-app-ios.py

Index: test/ios/gyptest-app-ios.py
diff --git a/test/ios/gyptest-app-ios.py b/test/ios/gyptest-app-ios.py
index 37afbfe0e44329f0007e25c6c69d1f347b871189..30c389f37216ffb67a5c74dd330dc156b4b7d6eb 100755
--- a/test/ios/gyptest-app-ios.py
+++ b/test/ios/gyptest-app-ios.py
@@ -10,8 +10,15 @@ Verifies that ios app bundles are built correctly.
 
 import TestGyp
 
+import subprocess
 import sys
 
+def CheckFileBinaryPropertyList(file):
+  output = subprocess.check_output(['file', file])
+  if not 'Apple binary property list' in output:
+    print 'File: Expected Apple binary property list, got %s' % o
+    test.fail_test()
+
 if sys.platform == 'darwin':
   test = TestGyp.TestGyp(formats=['xcode', 'ninja'])
 
@@ -26,10 +33,16 @@ if sys.platform == 'darwin':
   # Info.plist
   info_plist = test.built_file_path('Test App Gyp.app/Info.plist',
                                     chdir='app-bundle')
+  test.built_file_must_exist(info_plist)
+  CheckFileBinaryPropertyList(info_plist)
+
   # Resources
-  test.built_file_must_exist(
+  strings_file = test.built_file_path(
       'Test App Gyp.app/English.lproj/InfoPlist.strings',
       chdir='app-bundle')
+  test.built_file_must_exist(strings_file)
+  CheckFileBinaryPropertyList(strings_file)
+
   test.built_file_must_exist(
       'Test App Gyp.app/English.lproj/MainMenu.nib',
       chdir='app-bundle')