68 lines
2 KiB
Scheme
68 lines
2 KiB
Scheme
;;
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;; testing.scm
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;;
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;; ISC License
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;;
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;; Copyright 2023 Brmlab, z.s.
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;; Dominik Pantůček <dominik.pantucek@trustica.cz>
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;;
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;; Permission to use, copy, modify, and/or distribute this software
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;; for any purpose with or without fee is hereby granted, provided
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;; that the above copyright notice and this permission notice appear
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;; in all copies.
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;;
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;; THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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;; WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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;; WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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;; AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
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;; CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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;; OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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;; NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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;; CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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;;
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(module
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testing
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(test-eq? test-equal? test-exn)
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(import scheme)
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;; Evaluates body ... expressions with exception handler installed.
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(define-syntax with-handler
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(syntax-rules ()
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((_ handler body ...)
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(call-with-current-continuation
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(lambda (k)
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(with-exception-handler
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(lambda (x) (k (handler x)))
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(lambda () body ...)))))))
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;; Test passes if the-test does not raise an exception and the result
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;; is eq? to expected-result.
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(define-syntax test-eq?
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(syntax-rules ()
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((_ name the-test expected-result)
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(if (with-handler (lambda (x) #f)
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(eq? the-test expected-result))
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(display ".")
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(error 'unit-test name)))))
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;; Test passes if the-test does not raise an exception and the result
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;; is equal? to expected-result.
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(define-syntax test-equal?
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(syntax-rules ()
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((_ name the-test expected-result)
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(if (with-handler (lambda (x) #f)
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(eq? the-test expected-result))
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(display ".")
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(error 'unit-test name)))))
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;; Passes if the-test raises an exception
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(define-syntax test-exn
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(syntax-rules ()
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((_ name the-test)
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(if (with-handler (lambda (x) #t)
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the-test #f)
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(display ".")
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(error 'unit-test name)))))
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)
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