51 lines
1.2 KiB
Racket
51 lines
1.2 KiB
Racket
#lang racket
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(provide lvar-tests)
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(require rackunit)
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(require "lvar.rkt")
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(define (interp-exp env e)
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((send (new interp-LVar-class) interp-exp env) e))
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(define lvar-tests
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(test-suite
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"LVar interpretation testsuite"
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(check-equal?
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(let ([env `((a . 1) (b . 2))])
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(interp-exp env (Var 'a)))
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1)
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(check-equal?
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(let ([env `((a . 1) (b . 2))])
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(interp-exp env (Prim '+ (list (Var 'a) (Int 3)))))
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4)
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(check-equal?
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(let ([env `((a . 1) (b . 2))])
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(interp-exp env (Prim '- `(,(Int 3)))))
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-3)
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(check-equal?
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(let ([env `((a . 1))])
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(interp-exp env (Prim '- (list (Int 3) (Var 'a)))))
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2)
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(check-equal?
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(let ([env `((a . 1) (b . 2))])
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(interp-exp env (Prim '+ (list (Var 'a) (Prim `- (list (Var 'b)))))))
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-1)
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(check-equal?
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(interp-exp `() (Let 'a
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(Prim '+ (list (Int 1) (Int 2)))
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(Prim '+ (list (Var 'a) (Int 3)))))
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6)
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(check-equal?
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(interp-LVar (Program `() (Let 'a
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(Prim '+ (list (Int 1) (Int 2)))
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(Prim '+ (list (Var 'a) (Int 3))))))
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6)))
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