#!/usr/bin/env python
#
# MIT License
#
# Copyright The SCons Foundation
#
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# permit persons to whom the Software is furnished to do so, subject to
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"""
Test the --experimental option.
"""

import TestSCons

test = TestSCons.TestSCons()

test.file_fixture('fixture/SConstruct__experimental', 'SConstruct')

tests = [
    ('.', []),
    ('--experimental=ninja', ['ninja']),
    ('--experimental=all', ['ninja', 'transporter', 'warp_speed']),
    ('--experimental=none', []),
]

for args, exper in tests:
    read_string = """All Features=ninja,transporter,warp_speed
Experimental=%s
""" % (exper)
    test.run(arguments=args,
             stdout=test.wrap_stdout(read_str=read_string, build_str="scons: `.' is up to date.\n"))

test.run(arguments='--experimental=warp_drive',
         stderr="""usage: scons [OPTIONS] [VARIABLES] [TARGETS]

SCons Error: option --experimental: invalid choice: 'warp_drive' (choose from 'all','none','ninja','transporter','warp_speed')
""",
         status=2)

test.pass_test()

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