17 lines
586 B
Racket
17 lines
586 B
Racket
#lang racket/base
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(require racket/match)
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(require rackunit)
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(require "os-big-bang.rkt")
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(provide check-message-handler)
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(define (check-message-handler mh initial-w message final-w expected-actions)
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(match-define (on-message pattern handler) mh)
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(check-true (pattern message) "Message-handler pattern did not match message provided")
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(define v (match (handler message initial-w)
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[(? transition? t) t]
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[new-w (transition new-w '())]))
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(check-equal? v (transition final-w expected-actions)
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"Produced world-and-actions did not match expected world-and-actions"))
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