32 lines
564 B
Scheme
32 lines
564 B
Scheme
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(define-macro (check test)
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`(if (not ,test) (error "Error in test" ',test)))
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(b "hello")
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(check (string=? (b) "hello"))
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(define sa (make <A>))
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(slot-set! sa 'x 5)
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(a sa)
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(check (= (slot-ref (a) 'x) 5))
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(ap sa)
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(check (= (slot-ref (ap) 'x) 5))
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(slot-set! sa 'x 10)
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(check (= (slot-ref (ap) 'x) 10))
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(define sa2 (make <A>))
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(slot-set! sa2 'x -4)
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(cap sa2)
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(check (= (slot-ref (cap) 'x) -4))
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(slot-set! sa2 'x -7)
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(check (= (slot-ref (cap) 'x) -7))
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(check (= (slot-ref (ar) 'x) 5))
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(ar sa2)
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(check (= (slot-ref (ar) 'x) -7))
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(x 4)
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(check (= (x) 4))
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(exit 0)
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