35 lines
908 B
Scheme
35 lines
908 B
Scheme
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; Copyright (c) 1993-1999 by Richard Kelsey and Jonathan Rees. See file COPYING.
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; ,config ,load debug/test.scm
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(define-structure testing (export (test :syntax) lost?)
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(open scheme signals handle conditions)
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(begin
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(define *lost?* #f)
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(define (lost?) *lost?*)
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(define (run-test string compare want thunk)
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(let ((result
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(call-with-current-continuation
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(lambda (k)
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(with-handler (lambda (condition punt)
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(if (error? condition)
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(k condition)
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(punt)))
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thunk)))))
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(if (not (compare want result))
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(begin (display "Test ") (write string) (display " failed.") (newline)
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(display "Wanted ") (write want)
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(display ", but got ") (write result) (display ".")
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(newline)
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(set! *lost?* #t)))))
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(define-syntax test
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(syntax-rules ()
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((test ?string ?compare ?want ?exp)
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(run-test ?string ?compare ?want (lambda () ?exp)))))
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))
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