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

"""
Verify that {Set,Get}Option('clean') works correctly to control
cleaning behavior.
"""

import os

import TestSCons

_python_ = TestSCons._python_

test = TestSCons.TestSCons()

test.write('build.py', r"""
import sys
with open(sys.argv[1], 'wb') as ofp, open(sys.argv[2], 'rb') as ifp:
    ofp.write(ifp.read())
""")

test.write('SConstruct', """
DefaultEnvironment(tools=[])
B = Builder(action = r'%(_python_)s build.py $TARGETS $SOURCES')
env = Environment(tools=[], BUILDERS = { 'B' : B })
env.B(target = 'foo.out', source = 'foo.in')

mode = ARGUMENTS.get('MODE')
if mode == 'not':
    assert not GetOption('clean')
if mode == 'set-zero':
    assert GetOption('clean')
    SetOption('clean', 0)
    assert GetOption('clean')
if mode == 'set-one':
    assert not GetOption('clean')
    SetOption('clean', 1)
    assert GetOption('clean')
""" % locals())

test.write('foo.in', '"Foo", I say!\n')

test.run(arguments='foo.out MODE=not')
test.must_match(test.workpath('foo.out'), '"Foo", I say!\n')

test.run(arguments='-c foo.out MODE=set-zero')
test.must_not_exist(test.workpath('foo.out'))

test.run(arguments='foo.out MODE=none')
test.must_match(test.workpath('foo.out'), '"Foo", I say!\n')

test.run(arguments='foo.out MODE=set-one')
test.must_not_exist(test.workpath('foo.out'))

test.pass_test()

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