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

"""
Verify that a "multi" builder can NOT be called multiple times with
target lists that have different orders.  This is intentional; the
order of the targets matter to the builder because the build command
can contain things like ${TARGET[0]}.
"""

import TestSCons

test = TestSCons.TestSCons(match=TestSCons.match_re)

test.write('SConstruct', """\
DefaultEnvironment(tools=[])
def build(env, target, source):
    for t in target:
        with open(target[0], 'wb') as f:
            for src in source:
                with open(src, 'rb') as infp:
                    f.write(infp.read())

B = Builder(action=build, multi=1)
env = Environment(tools=[], BUILDERS = { 'B' : B })
env.B(target = ['file10a.out', 'file10b.out'], source = 'file10.in')
env.B(target = ['file10b.out', 'file10a.out'], source = 'file10.in')
""")

test.write('file10.in', 'file10.in\n')

expect = TestSCons.re_escape("""
scons: *** Two different target lists have a target in common: file10b.out  (from ['file10a.out', 'file10b.out'] and from ['file10b.out', 'file10a.out'])
""") + TestSCons.file_expr

test.run(arguments='file10.out', status=2, stderr=expect)

test.pass_test()

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