121 lines
3.8 KiB
Scheme
121 lines
3.8 KiB
Scheme
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;;; assume reader which loads this file can only read signed integers.
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(library (tests string-to-number)
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(export test-string-to-number)
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(import (ikarus) (tests framework))
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(define (test string expected)
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(printf "testing ~a -> ~s\n" string expected)
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(let ([result (string->number string)])
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(if expected
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(unless (number? result)
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(error 'test "did not parse as number" string))
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(when result
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(error test "incorrectly parse as non-#f" string)))
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(unless (equal? result expected)
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(error 'test "failed/expected/got" string expected result))
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(when expected
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(let ([s1 (format "~s" result)])
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(unless (string=? s1 string)
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(test s1 expected))))))
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(define inf+ (fl/ (inexact 1) (inexact 0)))
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(define inf- (fl/ (inexact -1) (inexact 0)))
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(define (test-string-to-number)
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(test "10" 10)
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(test "1" 1)
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(test "-17" -17)
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(test "12" 12)
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(test "+12" +12)
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(test "-12" -12)
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(test "+13476238746782364786237846872346782364876238477" 13476238746782364786237846872346782364876238477)
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(test "+inf.0" inf+)
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(test "-inf.0" inf-)
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(test "+i" (make-rectangular 0 +1))
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(test "-i" (make-rectangular 0 -1))
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(test "+15i" (make-rectangular 0 +15))
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(test "-15i" (make-rectangular 0 -15))
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(test "12/7" (/ 12 7))
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(test "-12/7" (/ -12 7))
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(test "+12/7" (/ 12 7))
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(test "12/7i" (make-rectangular 0 (/ 12 7)))
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(test "-12/7i" (make-rectangular 0 (/ -12 7)))
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(test "+12/7i" (make-rectangular 0 (/ 12 7)))
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(test "12/7+7i" (make-rectangular (/ 12 7) (/ 7 1)))
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(test "12/7+7/5i" (make-rectangular (/ 12 7) (/ 7 5)))
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(test "12/7-7/5i" (make-rectangular (/ 12 7) (/ -7 5)))
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(test "12." (inexact 12))
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(test "#e12." 12)
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(test "12.5" (inexact (/ 125 10)))
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(test "#e12.5123" (/ 125123 10000))
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(test "#i125123/10000" (inexact (/ 125123 10000)))
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(test "+inf.0i" (make-rectangular 0 inf+))
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(test "-inf.0i" (make-rectangular 0 inf-))
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(test "1/2" (/ 1 2))
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(test "-1/2" (/ 1 -2))
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(test "#x24" 36)
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(test "#x-24" -36)
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(test "#b+00000110110" 54)
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(test "#b-00000110110/10" -27)
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(test "#e10" 10)
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(test "#e1" 1)
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(test "#e-17" -17)
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(test "#e#x24" 36)
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(test "#e#x-24" -36)
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(test "#e#b+00000110110" 54)
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(test "#e#b-00000110110/10" -27)
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(test "#x#e24" 36)
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(test "#x#e-24" -36)
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(test "#b#e+00000110110" 54)
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(test "#b#e-00000110110/10" -27)
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(test "#e1e1000" (expt 10 1000))
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(test "#e-1e1000" (- (expt 10 1000)))
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(test "#e1e-1000" (expt 10 -1000))
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(test "#e-1e-1000" (- (expt 10 -1000)))
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(test "#i1e100" (exact->inexact (expt 10 100)))
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(test "#i1e1000" (exact->inexact (expt 10 1000)))
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(test "#i-1e1000" (exact->inexact (- (expt 10 1000))))
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(test "1e100" (exact->inexact (expt 10 100)))
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(test "1.0e100" (exact->inexact (expt 10 100)))
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(test "1.e100" (exact->inexact (expt 10 100)))
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(test "0.1e100" (exact->inexact (expt 10 99)))
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(test ".1e100" (exact->inexact (expt 10 99)))
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(test "+1e100" (exact->inexact (expt 10 100)))
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(test "+1.0e100" (exact->inexact (expt 10 100)))
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(test "+1.e100" (exact->inexact (expt 10 100)))
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(test "+0.1e100" (exact->inexact (expt 10 99)))
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(test "+.1e100" (exact->inexact (expt 10 99)))
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(test "-1e100" (exact->inexact (- (expt 10 100))))
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(test "-1.0e100" (exact->inexact (- (expt 10 100))))
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(test "-1.e100" (exact->inexact (- (expt 10 100))))
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(test "-0.1e100" (exact->inexact (- (expt 10 99))))
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(test "-.1e100" (exact->inexact (- (expt 10 99))))
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(test "i" #f)
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(test "/" #f)
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(test "12/0" #f)
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(test "+12/0" #f)
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(test "-12/0" #f)
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(test "12/0000" #f)
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(test "+12/0000" #f)
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(test "-12/0000" #f)
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(test "12+" #f)
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(test "+12+" #f)
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(test "-12+" #f)
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(test "12+" #f)
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(test "+12+" #f)
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(test "-12+" #f)
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)
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)
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