1 #!/usr/bin/env python 2 3 # Copyright (c) 2012 Google Inc. All rights reserved. 4 # Use of this source code is governed by a BSD-style license that can be 5 # found in the LICENSE file. 6 7 """ 8 Verifies build of an executable with C++ define specified by a gyp define, and 9 the use of the environment during regeneration when the gyp file changes. 10 """ 11 12 import os 13 import TestGyp 14 15 env_stack = [] 16 17 18 def PushEnv(): 19 env_copy = os.environ.copy() 20 env_stack.append(env_copy) 21 22 def PopEnv(): 23 os.eniron=env_stack.pop() 24 25 # Regenerating build files when a gyp file changes is currently only supported 26 # by the make generator. 27 test = TestGyp.TestGyp(formats=['make']) 28 29 try: 30 PushEnv() 31 os.environ['CXXFLAGS'] = '-O0' 32 test.run_gyp('cxxflags.gyp') 33 finally: 34 # We clear the environ after calling gyp. When the auto-regeneration happens, 35 # the same define should be reused anyway. Reset to empty string first in 36 # case the platform doesn't support unsetenv. 37 PopEnv() 38 39 test.build('cxxflags.gyp') 40 41 expect = """\ 42 Using no optimization flag 43 """ 44 test.run_built_executable('cxxflags', stdout=expect) 45 46 test.sleep() 47 48 try: 49 PushEnv() 50 os.environ['CXXFLAGS'] = '-O2' 51 test.run_gyp('cxxflags.gyp') 52 finally: 53 # We clear the environ after calling gyp. When the auto-regeneration happens, 54 # the same define should be reused anyway. Reset to empty string first in 55 # case the platform doesn't support unsetenv. 56 PopEnv() 57 58 test.build('cxxflags.gyp') 59 60 expect = """\ 61 Using an optimization flag 62 """ 63 test.run_built_executable('cxxflags', stdout=expect) 64 65 test.pass_test() 66
