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#!/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.
"""
Verify that relinking a solib doesn't relink a dependent executable if the
solib's public API hasn't changed.
"""
import os
import sys
import TestCommon
import TestGyp
# NOTE(fischman): This test will not work with other generators because the
# API-hash-based-mtime-preservation optimization is only implemented in
# ninja.py. It could be extended to the make.py generator as well pretty
# easily, probably.
# (also, it tests ninja-specific out paths, which would have to be generalized
# if this was extended to other generators).
test = TestGyp.TestGyp(formats=['ninja'])
if not os.environ.get('ProgramFiles(x86)'):
# TODO(scottmg)
print 'Skipping test on x86, http://crbug.com/365833'
test.pass_test()
test.run_gyp('solibs_avoid_relinking.gyp')
# Build the executable, grab its timestamp, touch the solib's source, rebuild
# executable, ensure timestamp hasn't changed.
test.build('solibs_avoid_relinking.gyp', 'b')
test.built_file_must_exist('b' + TestCommon.exe_suffix)
pre_stat = os.stat(test.built_file_path('b' + TestCommon.exe_suffix))
os.utime(os.path.join(test.workdir, 'solib.cc'),
(pre_stat.st_atime, pre_stat.st_mtime + 100))
test.sleep()
test.build('solibs_avoid_relinking.gyp', 'b')
post_stat = os.stat(test.built_file_path('b' + TestCommon.exe_suffix))
if pre_stat.st_mtime != post_stat.st_mtime:
test.fail_test()
else:
test.pass_test()
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