improve xcode_emulation.py

test/mac/gyptest-clang-cxx-language-standard.py

Index: test/mac/gyptest-clang-cxx-language-standard.py
diff --git a/test/mac/gyptest-clang-cxx-language-standard.py b/test/mac/gyptest-clang-cxx-language-standard.py
new file mode 100644
index 0000000000000000000000000000000000000000..75c6c74c97fc77a061c8787595af8d3d25623093
--- /dev/null
+++ b/test/mac/gyptest-clang-cxx-language-standard.py
@@ -0,0 +1,25 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2013 Google Inc. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""
+Verifies that CLANG_CXX_LANGUAGE_STANDARD works.
+"""
+
+import TestGyp
+
+import sys
+
+if sys.platform == 'darwin':
+  test = TestGyp.TestGyp(formats=['make', 'ninja', 'xcode'])
+
+  test.run_gyp('clang-cxx-language-standard.gyp',
+               chdir='clang-cxx-language-standard')
+
+  test.build('clang-cxx-language-standard.gyp', test.ALL,
+             chdir='clang-cxx-language-standard')
+
+  test.pass_test()
+