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#!/usr/bin/python
# Copyright 2005 Dave Abrahams
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE.txt or copy at
# https://www.bfgroup.xyz/b2/LICENSE.txt)
import BoostBuild
def wait_for_bar(t):
"""
Wait to make the test system correctly recognize the 'bar' file as
touched after the next build run. Without the wait, the next build run may
rebuild the 'bar' file with the new and the old file modification timestamp
too close to each other - which could, depending on the currently supported
file modification timestamp resolution, be detected as 'no change' by the
testing system.
"""
t.wait_for_time_change("bar", touch=False)
t = BoostBuild.Tester(["-ffile.jam", "-d+3", "-d+12", "-d+13"],
pass_toolset=0)
t.write("file.jam", """\
rule make
{
DEPENDS $(<) : $(>) ;
DEPENDS all : $(<) ;
}
actions make
{
echo "******" making $(<) from $(>) "******"
echo made from $(>) > $(<)
}
make aux1 : bar ;
make foo : bar ;
REBUILDS foo : bar ;
make bar : baz ;
make aux2 : bar ;
""")
t.write("baz", "nothing")
t.run_build_system(["bar"])
t.expect_addition("bar")
t.expect_nothing_more()
wait_for_bar(t)
t.run_build_system(["foo"])
t.expect_touch("bar")
t.expect_addition("foo")
t.expect_nothing_more()
t.run_build_system()
t.expect_addition(["aux1", "aux2"])
t.expect_nothing_more()
t.touch("bar")
wait_for_bar(t)
t.run_build_system()
t.expect_touch(["foo", "bar", "aux1", "aux2"])
t.expect_nothing_more()
t.cleanup()
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