Beginnings of some msvs_... emulation (windows ninja)

test/win/gyptest-cl_warning_as_error.py

Index: test/win/gyptest-cl_warning_as_error.py
diff --git a/test/win/gyptest-cl_warning_as_error.py b/test/win/gyptest-cl_warning_as_error.py
new file mode 100644
index 0000000000000000000000000000000000000000..2fa6565c47e4d2847336f418107cec8a6182c055
--- /dev/null
+++ b/test/win/gyptest-cl_warning_as_error.py
@@ -0,0 +1,34 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2012 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.
+
+"""
+Make sure warning-as-error is extracted properly.
+"""
+
+import TestGyp
+
+import subprocess
+import sys
+
+if sys.platform == 'win32':
+  test = TestGyp.TestGyp(formats=['ninja'])
+
+  CHDIR = 'compiler_flags'
+  test.run_gyp('warning-as-error.gyp', chdir=CHDIR)
+
+  ninja_file = test.built_file_path('obj/test_warn_as_error_false.ninja',
+      chdir=CHDIR)
+  test.must_not_contain(ninja_file, '/WX')
+
+  ninja_file = test.built_file_path('obj/test_warn_as_error_true.ninja',
+      chdir=CHDIR)
+  test.must_contain(ninja_file, '/WX')
+
+  ninja_file = test.built_file_path('obj/test_warn_as_error_unset.ninja',
+      chdir=CHDIR)
+  test.must_not_contain(ninja_file, '/WX')
+
+  test.pass_test()