dc15dc32bb
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1052740 13f79535-47bb-0310-9956-ffa450edef68
47 lines
1.4 KiB
Python
Executable file
47 lines
1.4 KiB
Python
Executable file
#!/usr/bin/python
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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# Test stream functions
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import unittest
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from util import *
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def testStream():
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s = cons_stream(0, lambda: cons_stream(1, lambda: cons(2, ())))
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assert len(s) == 3
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assert car(s) == 0
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assert cadr(s) == 1
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assert len(cdr(s)) == 2
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assert s[0] == 0
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assert s[1] == 1
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assert s[2] == 2
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assert s[:1] == (0, 1)
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assert s[:5] == (0, 1, 2)
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assert s[2:5] == (2,)
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assert s[4:5] == ()
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assert s[0:] == (0, 1, 2)
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assert (0, 1, 2) == s[0:]
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return True
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if __name__ == "__main__":
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print "Testing..."
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testStream()
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print "OK"
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