import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

media/webrtc/trunk/tools/gyp/test/cflags/gyptest-cflags.py

@@ -0,0 +1,75 @@
+#!/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.
+
+"""
+Verifies the use of the environment during regeneration when the gyp file
+changes, specifically via build of an executable with C preprocessor
+definition specified by CFLAGS.
+
+In this test, gyp and build both run in same local environment.
+"""
+
+import TestGyp
+
+# CPPFLAGS works in ninja but not make; CFLAGS works in both
+FORMATS = ('make', 'ninja')
+
+test = TestGyp.TestGyp(formats=FORMATS)
+
+# First set CFLAGS to blank in case the platform doesn't support unsetenv.
+with TestGyp.LocalEnv({'CFLAGS': '',
+                       'GYP_CROSSCOMPILE': '1'}):
+  test.run_gyp('cflags.gyp')
+  test.build('cflags.gyp')
+
+expect = """FOO not defined\n"""
+test.run_built_executable('cflags', stdout=expect)
+test.run_built_executable('cflags_host', stdout=expect)
+
+test.sleep()
+
+with TestGyp.LocalEnv({'CFLAGS': '-DFOO=1',
+                       'GYP_CROSSCOMPILE': '1'}):
+  test.run_gyp('cflags.gyp')
+  test.build('cflags.gyp')
+
+expect = """FOO defined\n"""
+test.run_built_executable('cflags', stdout=expect)
+
+# Environment variable CFLAGS shouldn't influence the flags for the host.
+expect = """FOO not defined\n"""
+test.run_built_executable('cflags_host', stdout=expect)
+
+test.sleep()
+
+with TestGyp.LocalEnv({'CFLAGS_host': '-DFOO=1',
+                       'GYP_CROSSCOMPILE': '1'}):
+  test.run_gyp('cflags.gyp')
+  test.build('cflags.gyp')
+
+# Environment variable CFLAGS_host should influence the flags for the host.
+expect = """FOO defined\n"""
+test.run_built_executable('cflags_host', stdout=expect)
+
+test.sleep()
+
+with TestGyp.LocalEnv({'CFLAGS': ''}):
+  test.run_gyp('cflags.gyp')
+  test.build('cflags.gyp')
+
+expect = """FOO not defined\n"""
+test.run_built_executable('cflags', stdout=expect)
+
+test.sleep()
+
+with TestGyp.LocalEnv({'CFLAGS': '-DFOO=1'}):
+  test.run_gyp('cflags.gyp')
+  test.build('cflags.gyp')
+
+expect = """FOO defined\n"""
+test.run_built_executable('cflags', stdout=expect)
+
+test.pass_test()