blob: acc424a2c4383cc6a23bfebbbb68af2712420b5b [file] [log] [blame]
#!/usr/bin/env python
# Copyright (c) 2010 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 build of an executable with C++ define specified by a gyp define, and
the use of the environment during regeneration when the gyp file changes.
"""
import os
import TestGyp
env_stack = []
def PushEnv():
env_copy = os.environ.copy()
env_stack.append(env_copy)
def PopEnv():
os.eniron=env_stack.pop()
# Regenerating build files when a gyp file changes is currently only supported
# by the make generator.
test = TestGyp.TestGyp(formats=['make'])
try:
PushEnv()
os.environ['CFLAGS'] = '-O0'
test.run_gyp('cflags.gyp')
finally:
# We clear the environ after calling gyp. When the auto-regeneration happens,
# the same define should be reused anyway. Reset to empty string first in
# case the platform doesn't support unsetenv.
PopEnv()
test.build('cflags.gyp')
expect = """\
Using no optimization flag
"""
test.run_built_executable('cflags', stdout=expect)
test.sleep()
try:
PushEnv()
os.environ['CFLAGS'] = '-O2'
test.run_gyp('cflags.gyp')
finally:
# We clear the environ after calling gyp. When the auto-regeneration happens,
# the same define should be reused anyway. Reset to empty string first in
# case the platform doesn't support unsetenv.
PopEnv()
test.build('cflags.gyp')
expect = """\
Using an optimization flag
"""
test.run_built_executable('cflags', stdout=expect)
test.pass_test()