mirror of https://github.com/sharkdp/bat.git
57 lines
1.6 KiB
Racket
57 lines
1.6 KiB
Racket
#lang racket
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(require "main.rkt" rackunit)
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;; Helper for test cases with multiple outputs
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;; See: https://stackoverflow.com/questions/41081395/unit-testing-in-racket-with-multiple-outputs
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(define-syntax check-values-equal?
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(syntax-rules ()
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[(_ a b) (check-equal? (call-with-values (thunk a) list) b)]))
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;; Named POSIX semaphores
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(test-begin
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(define test-sem-name "/test-nix-1")
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;; Unlink if already exists
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(sem-unlink test-sem-name)
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;; Open and unlink
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(define test-sem-p (sem-open test-sem-name (+ O_CREAT O_EXCL)))
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(check-not-false test-sem-p)
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(check-not-equal? test-sem-p (void))
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(check-exn exn:fail?
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(lambda () (sem-open test-sem-name (+ O_CREAT O_EXCL)))
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"Permission denied")
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(check-exn exn:fail?
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(lambda () (sem-open test-sem-name (+ O_CREAT O_EXCL))))
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;; Change values
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(check-equal? (sem-getvalue test-sem-p) 0)
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(sem-post test-sem-p)
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(check-equal? (sem-getvalue test-sem-p) 1)
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(sem-wait test-sem-p)
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(check-equal? (sem-getvalue test-sem-p) 0)
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(sem-post test-sem-p)
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(check-equal? (sem-getvalue test-sem-p) 1)
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(sem-post test-sem-p)
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(check-equal? (sem-getvalue test-sem-p) 2)
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(sem-trywait test-sem-p)
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(check-equal? (sem-getvalue test-sem-p) 2)
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;; Can't unlink twice
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(check-not-false (sem-unlink test-sem-name))
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(check-false (sem-unlink test-sem-name)))
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;; Named POSIX shared memory
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(test-begin
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(define test-shm-name "test-nix-mem-1")
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;; Open and unlink
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(shm-unlink test-shm-name)
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(define test-shm-fd (shm-open test-shm-name (+ O_EXCL O_CREAT O_RDWR) #o644))
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(check > test-shm-fd 0)
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(check-not-false (shm-unlink test-shm-name))
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(check-false (shm-unlink test-shm-name)))
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