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69 lines
2.2 KiB
Scheme
69 lines
2.2 KiB
Scheme
;;;; -*- scheme -*-
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;;;; fluids.test --- test suite for fluid values
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;;;;
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;;;; Copyright (C) 2010 Free Software Foundation, Inc.
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;;;;
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;;;; This library is free software; you can redistribute it and/or
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;;;; modify it under the terms of the GNU Lesser General Public
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;;;; License as published by the Free Software Foundation; either
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;;;; version 3 of the License, or (at your option) any later version.
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;;;;
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;;;; This library is distributed in the hope that it will be useful,
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;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;;;; Lesser General Public License for more details.
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;;;;
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;;;; You should have received a copy of the GNU Lesser General Public
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;;;; License along with this library; if not, write to the Free Software
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;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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(define-module (test-suite test-fluids)
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:use-module (test-suite lib))
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(define a (make-fluid))
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(define b (make-fluid))
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(define c #f)
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(with-test-prefix "initial fluid values"
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(pass-if "fluid-ref uninitialized fluid is #f"
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(not (fluid-ref a))))
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(with-test-prefix "with-fluids with non-fluid"
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(pass-if-exception "exception raised if nonfluid passed to with-fluids"
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exception:wrong-type-arg
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(with-fluids ((c #t))
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c))
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(pass-if "fluids not modified if nonfluid passed to with-fluids"
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(catch 'wrong-type-arg
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(lambda ()
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(with-fluids ((a #t)
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(c #t))
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#f))
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(lambda _
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(not (fluid-ref a))))))
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(with-test-prefix "with-fluids with duplicate fluid"
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(pass-if "last value wins"
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(with-fluids ((a 1)
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(a 2))
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(eqv? (fluid-ref a) 2)))
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(pass-if "original value restored"
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(and (with-fluids ((a 1)
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(a 2))
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(eqv? (fluid-ref a) 2))
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(eqv? (fluid-ref a) #f))))
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(pass-if "fluids are GC'd"
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(let ((g (make-guardian)))
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(g (make-fluid))
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(let loop ((i 1000))
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(and (> i 0)
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(begin
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(make-fluid)
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(loop (1- i)))))
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(gc)
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(fluid? (g))))
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