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add simple trace tests

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svn: r16158
This commit is contained in:
Jon Rafkind 2009-09-29 04:30:31 +00:00
parent 090f5eb474
commit 230fcf49df
1 changed files with 53 additions and 0 deletions
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53
collects/tests/mzscheme/trace.ss Normal file
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(load-relative "loadtest.ss")
(Section 'trace)
(require scheme/trace)
(define-syntax-rule (trace-output expr ...)
(let ([out (list)])
(parameterize ([current-trace-notify (lambda (e)
(set! out (cons e out)))])
expr ...
(reverse out))))
(let ([n1 (let ([out (list)])
(parameterize ([current-trace-notify (lambda (e)
(set! out (cons e out)))])
(define (foo x) x)
(trace foo)
(foo 2)
out))])
(test (reverse n1) 'test-it (list ">(foo 2)" "<2")))
(test (trace-output
(define (foo x) x)
(trace foo)
(foo 2))
'simple-trace
(list ">(foo 2)"
"<2"))
(test (trace-output
(define (foo x) (add1 x))
(trace foo)
(foo 2))
'simple-trace
(list ">(foo 2)"
"<3"))
(test (trace-output
(define (a x) x)
(define (b x) (a x))
(define (c x) (+ (b x) (b x)))
(trace a b c)
(c 1))
'trace2
(list ">(c 1)"
"> (b 1)"
"> (a 1)"
"< 1"
"> (b 1)"
"> (a 1)"
"< 1"
"<2"))