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# Copyright 2012 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""This module provides the global variable options_for_unittests.
This is set to a BrowserOptions object by the test harness, or None
if unit tests are not running.
This allows multiple unit tests to use a specific
browser, in face of multiple options."""
_options = []
def Push(options):
_options.append(options)
def Pop():
return _options.pop()
def GetCopy():
if not AreSet():
return None
return _options[-1].Copy()
def AreSet():
return bool(_options)
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