55 lines
1.1 KiB
Scheme
55 lines
1.1 KiB
Scheme
(import (scheme base)
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(srfi 27)
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(scheme inexact)
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(picrin test))
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(test-begin)
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(define (rountrip-ok number)
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(let ((radix 10))
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(eqv? number (string->number (number->string number radix) radix))))
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(test #t (rountrip-ok -nan.0))
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(test #t (rountrip-ok +nan.0))
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(test #t (rountrip-ok -inf.0))
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(test #t (rountrip-ok +inf.0))
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(test #t (rountrip-ok +0.0))
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(test #t (rountrip-ok -0.0))
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(test #t (rountrip-ok 0.0))
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(test -inf.0 (string->number "-inf.0"))
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(test +inf.0 (string->number "+inf.0"))
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(test #t (nan? (string->number "-nan.0")))
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(test #t (nan? (string->number "+nan.0")))
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(define (random-roundtrip)
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(let ((r (random-real)))
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(if (rountrip-ok r)
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#t
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r)))
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(test #t (random-roundtrip))
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(test #t (random-roundtrip))
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(test #t (random-roundtrip))
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(test #t (random-roundtrip))
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(test #t (random-roundtrip))
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(test #t (random-roundtrip))
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(test #t (random-roundtrip))
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(test #t (random-roundtrip))
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(test #t (random-roundtrip))
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(test #t (random-roundtrip))
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(test #t (random-roundtrip))
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(test #t (random-roundtrip))
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(test #t (random-roundtrip))
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(test-end)
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