ninja windows: add flag support for code analysis (aka PREfast)

test/win/gyptest-cl-analysis.py

+#!/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 PREfast (code analysis) setting is extracted properly.
+"""
+
+import TestGyp
+
+import os
+import sys
+
+if (sys.platform == 'win32' and
+    int(os.environ.get('GYP_MSVS_VERSION', 0)) >= 2012):
+  test = TestGyp.TestGyp(formats=['msvs', 'ninja'])
+
+  CHDIR = 'compiler-flags'
+  test.run_gyp('analysis.gyp', chdir=CHDIR)
+
+  # Analysis enabled, should fail.
+  test.build('analysis.gyp', 'test_analysis_on', chdir=CHDIR, status=1)
+
+  # Analysis not enabled, or unspecified, should pass.
+  test.build('analysis.gyp', 'test_analysis_off', chdir=CHDIR)
+  test.build('analysis.gyp', 'test_analysis_unspec', chdir=CHDIR)
+
+  test.pass_test()