#!/usr/bin/env python
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

"""
Test the simultaneous use of implicit_cache and
SourceSignatures('timestamp')
"""

import TestSCons

test = TestSCons.TestSCons()

test.write('SConstruct', """\
SetOption('implicit_cache', 1)
SourceSignatures('timestamp')

def build(env, target, source):
    open(str(target[0]), 'wt').write(open(str(source[0]), 'rt').read())
B = Builder(action = build)
env = Environment(BUILDERS = { 'B' : B })
env.B(target = 'both.out', source = 'both.in')
""")

both_out_both_in = test.wrap_stdout('build(["both.out"], ["both.in"])\n')



test.write('both.in', "both.in 1\n")

test.run(arguments = 'both.out', stdout = both_out_both_in)



test.sleep(2)

test.write('both.in', "both.in 2\n")

test.run(arguments = 'both.out', stdout = both_out_both_in)



test.sleep(2)

test.write('both.in', "both.in 3\n")

test.run(arguments = 'both.out', stdout = both_out_both_in)



test.sleep(2)

test.write('both.in', "both.in 4\n")

test.run(arguments = 'both.out', stdout = both_out_both_in)



test.sleep(2)

test.up_to_date(arguments = 'both.out')



test.pass_test()