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

"""
Verify that we can trivially subclass our "public" classes.  Also
verify that we can use a trivial subclass of new-style str classes
as well as UserString as Builder input.
"""

import TestSCons

test = TestSCons.TestSCons()

test.write('SConstruct', """
copy_action = Copy('$TARGET', '$SOURCE')

# Some day, we'd probably like people to be able to subclass Action and
# Builder, but that's going to take some serious class-hackery to turn
# our factory function into the class itself.
#class my_Action(Action):
#    pass
#class my_Builder(Builder):
#    pass
class my_Scanner(Scanner):
    pass
class my_Environment(Environment):
    pass
env = my_Environment()
env.Command('f0.out', 'f0.in', copy_action)

try:
    from collections import UserString
except ImportError:
    from UserString import UserString
try:
    class mystr(str):
        pass
except TypeError:
    class mystr(UserString):
        pass

Command(mystr('f1.out'),        mystr('f1.in'), copy_action)
Command(UserString('f2.out'),   UserString('f2.in'),    copy_action)

Install(mystr('install'),       mystr('f1.out'))
Install(mystr('install'),       UserString('f2.out'))
""")

test.write('f0.in', "f0.in\n")
test.write('f1.in', "f1.in\n")
test.write('f2.in', "f2.in\n")

test.run(arguments = '.')

test.must_match('f0.out',              "f0.in\n")
test.must_match(['install', 'f1.out'], "f1.in\n")
test.must_match(['install', 'f2.out'], "f2.in\n")

test.pass_test()

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