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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 dependent rules are executed iff a dependency action modifies its
outputs.
"""
import TestGyp
import os
test = TestGyp.TestGyp(formats=['ninja', 'make', 'xcode'])
test.run_gyp('restat.gyp', chdir='src')
chdir = 'relocate/src'
test.relocate('src', chdir)
# Building 'dependent' the first time generates 'side_effect', but building it
# the second time doesn't, because 'create_intermediate' doesn't update its
# output.
test.build('restat.gyp', 'dependent', chdir=chdir)
test.built_file_must_exist('side_effect', chdir=chdir)
os.remove(test.built_file_path('side_effect', chdir=chdir))
test.build('restat.gyp', 'dependent', chdir=chdir)
test.built_file_must_not_exist('side_effect', chdir=chdir)
test.pass_test()