1 files changed, 43 insertions, 0 deletions
diff --git a/third_party/python/gyp/test/defines/gyptest-define-override.py b/third_party/python/gyp/test/defines/gyptest-define-override.py
new file mode 100755
index 0000000000..9730455b67
--- /dev/null
+++ b/third_party/python/gyp/test/defines/gyptest-define-override.py
@@ -0,0 +1,43 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2009 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 a default gyp define can be overridden.
+"""
+
+import os
+import TestGyp
+
+test = TestGyp.TestGyp()
+
+# CMake loudly warns about passing '#' to the compiler and drops the define.
+expect_stderr = ''
+if test.format == 'cmake':
+  expect_stderr = (
+"""WARNING: Preprocessor definitions containing '#' may not be passed on the"""
+""" compiler command line because many compilers do not support it.\n"""
+"""CMake is dropping a preprocessor definition: HASH_VALUE="a#1"\n"""
+"""Consider defining the macro in a (configured) header file.\n\n""")
+
+# Command-line define
+test.run_gyp('defines.gyp', '-D', 'OS=fakeos')
+test.build('defines.gyp', stderr=expect_stderr)
+test.built_file_must_exist('fakeosprogram', type=test.EXECUTABLE)
+# Clean up the exe so subsequent tests don't find an old exe.
+os.remove(test.built_file_path('fakeosprogram', type=test.EXECUTABLE))
+
+# Without "OS" override, fokeosprogram shouldn't be built.
+test.run_gyp('defines.gyp')
+test.build('defines.gyp', stderr=expect_stderr)
+test.built_file_must_not_exist('fakeosprogram', type=test.EXECUTABLE)
+
+# Environment define
+os.environ['GYP_DEFINES'] = 'OS=fakeos'
+test.run_gyp('defines.gyp')
+test.build('defines.gyp', stderr=expect_stderr)
+test.built_file_must_exist('fakeosprogram', type=test.EXECUTABLE)
+
+test.pass_test()