33 lines
709 B
Scheme
33 lines
709 B
Scheme
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(library (tests fixnums)
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(export test-fxdiv-and-mod)
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(import (ikarus))
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(define (test-fxdiv-and-mod)
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(define (test x1 x2)
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(let-values ([(d m) (fxdiv-and-mod x1 x2)])
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(printf "(fxdiv-and-mod ~s ~s) = ~s ~s\n" x1 x2 d m)
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(assert (= d (fxdiv x1 x2)))
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(assert (= m (fxmod x1 x2)))
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(assert (<= 0 m))
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(assert (< m (abs x2)))
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(assert (= x1 (+ (* d x2) m)))))
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(test +17 +3)
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(test +17 -3)
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(test -17 +3)
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(test -17 -3)
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(test +16 +3)
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(test +16 -3)
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(test -16 +3)
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(test -16 -3)
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(test +15 +3)
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(test +15 -3)
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(test -15 +3)
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(test -15 -3)
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(test +10 +4)
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(test +10 -4)
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(test -10 +4)
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(test -10 -4)))
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