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https://github.com/ashinn/chibi-scheme.git
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4e5cdedc03
By convention, a library meant for testing exports "run-tests". Also by convention, assume the test for (foo bar) is (foo bar-test), keeping the test in the same directory and avoiding confusion since (chibi test) is not a test for (chibi). - Avoids the hack of "load"ing test, with resulting namespace complications. - Allows keeping tests together with the libraries. - Allows setting up test hooks before running. - Allows implicit inference of test locations when using above conventions.
45 lines
1.2 KiB
Scheme
45 lines
1.2 KiB
Scheme
(define-library (srfi 16 test)
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(export run-tests)
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(import (chibi) (chibi test) (srfi 16))
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(begin
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(define (run-tests)
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(define plus
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(case-lambda
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(() 0)
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((x) x)
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((x y) (+ x y))
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((x y z) (+ (+ x y) z))
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(args (apply + args))))
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(test-begin "srfi-16: case-lambda")
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(test 0 (plus))
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(test 1 (plus 1))
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(test 6 (plus 1 2 3))
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(test-error ((case-lambda ((a) a) ((a b) (* a b))) 1 2 3))
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(define print
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(case-lambda
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(()
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(display ""))
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((arg)
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(display arg))
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((arg . args)
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(display arg)
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(display " ")
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(apply print args))))
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(define (print-to-string . args)
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(let ((out (open-output-string))
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(old-out (current-output-port)))
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(dynamic-wind
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(lambda () (current-output-port out))
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(lambda () (apply print args))
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(lambda () (current-output-port old-out)))
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(get-output-string out)))
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(test "" (print-to-string))
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(test "hi" (print-to-string 'hi))
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(test "hi there world" (print-to-string 'hi 'there 'world))
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(test-end))))
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