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intcode-test.rkt
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#lang racket/base
(require (for-syntax racket/base)
racket/format
racket/port
racket/vector
rackunit
syntax/parse/define
"intcode.rkt")
(test-case
"load memory"
(let ([memory (call-with-input-string "1,2,3,4,5,6" load-memory-from-file)])
(for ([v (in-vector (vector 1 2 3 4 5 6))]
[i (in-naturals)])
(check-equal? (memref memory i) v)))
(let ([memory (call-with-input-string "1,2,3,4,5,6\r" load-memory-from-file)])
(for ([v (in-vector (vector 1 2 3 4 5 6))]
[i (in-naturals)])
(check-equal? (memref memory i) v))))
(test-case
"steppy"
(define m
(make-intcode-machine 0 (->memory (vector 1101 1 1 3 99))))
(intcode-machine-step! m)
(check-equal? (memref (intcode-machine-memory m) 3) 2)
(intcode-machine-step! m)
(check-true (intcode-machine-stopped? m)))
(define-syntax-parser check-intcode
[(_ {~optional {~seq #:label label}}
#:mem mem:expr
{~optional {~seq #:inputs inputs}}
assertions ...)
#'(test-case
(~a {~? label ""})
(define pmem (memory-copy (->memory mem)))
(define in-dev (make-io-queue))
{~? (io-queue-enqueue-all! in-dev inputs)}
(define out-dev (make-io-queue))
(parameterize ([intcode-machine-display-output? #f])
(define test-machine
(make-intcode-machine 0 pmem #:in-dev in-dev #:out-dev out-dev))
(intcode-machine-run! test-machine))
(check-intcode-assertion pmem out-dev assertions) ...)])
(define-syntax-parser check-intcode-assertion
[(_ mem out-dev [#:mem= idx val])
#'(check-equal? (memref mem idx) val)]
[(_ mem out-dev [#:out (val)])
#'(check-intcode-assertion mem out-dev [#:out val])]
[(_ mem out-dev [#:out (v1 v2 vals ...)])
#'(begin
(check-intcode-assertion mem out-dev [#:out v1])
(check-intcode-assertion mem out-dev [#:out (v2 vals ...)]))]
[(_ mem out-dev [#:out val])
#'(check-equal? (io-queue-dequeue! out-dev) val)])
(check-intcode #:mem #(1 0 0 0 99)
[#:mem= 0 2])
(check-intcode #:mem #(2 3 0 3 99)
[#:mem= 3 6])
(check-intcode #:mem #(2 4 4 5 99 0)
[#:mem= 5 9801])
(check-intcode #:mem #(1 1 1 4 99 5 6 0 99)
[#:mem= 0 30])
(check-intcode #:mem #(1 1 1 4 99 5 6 0 99)
[#:mem= 4 2])
;; modes
(check-intcode #:mem "1002,5,3,5,99,33"
[#:mem= 5 99])
;; day 5 part 1 test
(let ([mem (call-with-input-file "inputs/05.txt" load-memory-from-file)])
(check-intcode #:label "day 5 part 1"
#:mem mem
#:inputs '(1)
[#:out (0 0 0 0 0 0 0 0 0 16348437)]))
;; $eq
(check-intcode #:mem "3,9,8,9,10,9,4,9,99,-1,8"
#:inputs '(8)
[#:out 1])
(check-intcode #:mem "3,9,8,9,10,9,4,9,99,-1,8"
#:inputs '(7)
[#:out 0])
(check-intcode #:mem "3,3,1108,-1,8,3,4,3,99"
#:inputs '(8)
[#:out 1])
(check-intcode #:mem "3,3,1108,-1,8,3,4,3,99"
#:inputs '(7)
[#:out 0])
;; $lt
(check-intcode #:mem "3,9,7,9,10,9,4,9,99,-1,8"
#:inputs '(8)
[#:out 0])
(check-intcode #:mem "3,9,7,9,10,9,4,9,99,-1,8"
#:inputs '(7)
[#:out 1])
(check-intcode #:mem "3,3,1107,-1,8,3,4,3,99"
#:inputs '(8)
[#:out 0])
(check-intcode #:mem "3,3,1107,-1,8,3,4,3,99"
#:inputs '(7)
[#:out 1])
;; $jmp*
(check-intcode #:mem "3,12,6,12,15,1,13,14,13,4,13,99,-1,0,1,9"
#:inputs '(0)
[#:out 0])
(check-intcode #:mem "3,12,6,12,15,1,13,14,13,4,13,99,-1,0,1,9"
#:inputs '(42)
[#:out 1])
(check-intcode #:mem "3,3,1105,-1,9,1101,0,0,12,4,12,99,1"
#:inputs '(0)
[#:out 0])
(check-intcode #:mem "3,3,1105,-1,9,1101,0,0,12,4,12,99,1"
#:inputs '(42)
[#:out 1])
(let ([mem (call-with-input-string
(string-append
"3,21,1008,21,8,20,1005,20,22,107,8,21,20,"
"1006,20,31,1106,0,36,98,0,0,1002,21,125,20,"
"4,20,1105,1,46,104,999,1105,1,46,1101,1000,"
"1,20,4,20,1105,1,46,98,99")
load-memory-from-file)])
(check-intcode #:mem mem
#:inputs '(4)
[#:out 999])
(check-intcode #:mem mem
#:inputs '(8)
[#:out 1000])
(check-intcode #:mem mem
#:inputs '(42)
[#:out 1001]))
;; day 5 part 2 test
(let ([mem (call-with-input-file "inputs/05.txt" load-memory-from-file)])
(check-intcode #:label "day 5 part 2"
#:mem mem
#:inputs '(5)
[#:out 6959377]))
(check-intcode #:label "day 9 part 1 example 1"
#:mem
(~a "109,1,204,-1,1001,100,1,100,1008,100,16,101,"
"1006,101,0,99")
[#:out (109 1 204 -1 1001 100 1 100 1008 100 16 101
1006 101 0 99)])
(check-intcode #:label "day 9 part 1 example 2"
#:mem
"1102,34915192,34915192,7,4,7,99,0"
[#:out 1219070632396864])
(check-intcode #:label "day 9 part 1 example 3"
#:mem
"104,1125899906842624,99"
[#:out 1125899906842624])
(define-simple-macro (test-amplifier label:str
mem:expr
(inputs:integer ...)
result)
(test-case
label
(define memory (->memory mem))
(define amplifier-out-dev
(parameterize ([intcode-machine-display-output? #f])
(run-amplifiers! memory '(inputs ...))))
(check-equal? (io-queue-dequeue! amplifier-out-dev)
result)))
(test-amplifier "basic adding input amplifier"
(vector 3 11 ;; in $a
3 12 ;; in $b
1 11 12 13 ;; add $a $b $c
4 13 ;; out $c
99 ;; halt
0 0 0 ;; $a $b $c
)
(1 1 1 1 1)
5)
(test-amplifier "part 1 - example 1"
"3,15,3,16,1002,16,10,16,1,16,15,15,4,15,99,0,0"
(4 3 2 1 0)
43210)
(test-amplifier "part 1 - example 2"
(~a "3,23,3,24,1002,24,10,24,1002,23,-1,23,"
"101,5,23,23,1,24,23,23,4,23,99,0,0")
(0 1 2 3 4)
54321)
(test-amplifier "part 1 - example 3"
(~a "3,31,3,32,1002,32,10,32,1001,31,-2,31,1007,31,0,"
"33,1002,33,7,33,1,33,31,31,1,32,31,31,4,31,99,"
"0,0,0")
(1 0 4 3 2)
65210)
(define-simple-macro (test-feedback-amplifier label:str
mem:expr
(inputs:nat ...)
result)
(test-case
label
(define memory (->memory mem))
(define amplifier-out-dev
(parameterize ([intcode-machine-display-output? #f])
(run-feedback-amplifiers! memory '(inputs ...))))
(check-equal? (io-queue-dequeue! amplifier-out-dev)
result)))
(test-feedback-amplifier "basic adding input feedback amplifier"
(vector 3 11 ;; in $a
3 12 ;; in $b
1 11 12 13 ;; add $a $b $c
4 13 ;; out $c
99 ;; halt
0 0 0 ;; $a $b $c
)
(1 1 1 1 1)
5)
(test-feedback-amplifier "part 2 - example 1"
(~a "3,26,1001,26,-4,26,3,27,1002,27,2,27,"
"1,27,26,27,4,27,1001,28,-1,28,1005,28,"
"6,99,0,0,5")
(9 8 7 6 5)
139629729)
(test-feedback-amplifier "part 2 - example 2"
(~a "3,52,1001,52,-5,52,3,53,1,52,56,54,"
"1007,54,5,55,1005,55,26,1001,54,-5,"
"54,1105,1,12,1,53,54,53,1008,54,0,"
"55,1001,55,1,55,2,53,55,53,4,53,"
"1001,56,-1,56,1005,56,6,99,"
"0,0,0,0,10")
(9 7 8 5 6)
18216)