racket/collects/tests/drracket/module-lang-test.rkt
Robby Findler 17594ec804 module lang test now up to date with error message changes
please include in release branch
2012-07-17 22:33:56 -05:00

421 lines
13 KiB
Racket

#lang at-exp racket/base
(require "private/module-lang-test-utils.rkt"
"private/drracket-test-util.rkt")
(provide run-test)
;; set up for tests that need external files
(write-test-modules
(module module-lang-test-tmp1 mzscheme
(provide (all-from-except mzscheme +)
x)
(define x 1))
(module module-lang-test-tmp2 mzscheme
(provide e)
(define e #'1))
(module module-lang-test-tmp3 mzscheme
(define-syntax (bug-datum stx)
(syntax-case stx ()
[(dat . thing)
(number? (syntax-e (syntax thing)))
(syntax/loc stx (#%datum . thing))]))
(provide #%module-begin [rename bug-datum #%datum]))
(module module-lang-test-tmp4 racket/base
(/ 888 2)
(provide (except-out (all-from-out racket/base) #%top-interaction)))
(module module-lang-test-syn-error racket/base
(lambda)))
(test @t{}
#f
@rx{Module Language: There must be a valid module
Try starting your program with
Interactions disabled}
#t)
(test @t{1}
#f
@rx{Module Language: only a module expression is allowed
Interactions disabled}
#t)
(test @t{(module m racket) 1}
#f
@rx{Module Language: there can only be one expression in the definitions
Interactions disabled}
#t)
(test @t{.}
#f
@rx{Module Language: invalid module text
read: illegal
Interactions disabled}
#t)
(test @t{#lang mzscheme
(define x 1)}
@t{x}
"1")
(test @t{#lang m-z-scheme
(define x 1)}
#f
@rx{Module Language: invalid module text
collection not found
Interactions disabled}
#t)
(test @t{#lang racket
3}
#f
"3")
(test @t{(module m racket (provide x) (define x 1))}
@t{x}
"1")
(test @t{(module m racket (define x 1))}
@t{x}
"1")
(test @t{(module m racket (define x 1) (define y 1) (provide y))}
@t{x}
"1")
(test @t{(module m racket (define x 1) (define y 2) (provide y))}
@t{y}
"2")
(test @t{(module m mzscheme (require mzlib/list))}
@t{foldl}
#rx"foldl")
(test @t{(module m mzscheme (require (rename mzlib/list local-foldl foldl)))}
@t{local-foldl}
#rx"foldl>")
(test @t{(module m mzscheme (require (all-except mzlib/list foldl)))}
@t{first}
#rx"first>")
(test @t{(module m mzscheme (require (all-except mzlib/list foldl)))}
@t{foldl}
#rx"[.] [.] foldl:.*cannot reference an identifier before its definition")
(test @t{(module m mzscheme (require (prefix mz: mzscheme)))}
@t{mz:+}
#rx"procedure:[+]")
(test @t{(module n mzscheme (provide (all-from-except mzscheme +)))}
@t{+}
#rx"procedure:[+]")
(test @t{(module m mzscheme
(require (prefix x: mzlib/list) mzlib/list))}
@t{foldl}
#rx"foldl>")
(test @t{(module m mzscheme
(require (prefix x: mzlib/list) mzlib/list))}
@t{x:foldl}
#rx"foldl>")
(test @t{(module m (file @in-here{module-lang-test-tmp1.rkt}) x)}
@t{x}
"1")
;; + shouldn't be bound in the REPL because it isn't bound in the module.
(test @t{(module m (file @in-here{module-lang-test-tmp1.rkt}) x)}
@t{+}
#rx"[.] [.] [+]:.*cannot reference an identifier before its definition")
(test @t{(module m mzscheme (provide lambda))}
@t{(lambda (x) x)}
#rx"<procedure")
(test @t{(module m mzscheme (define-syntax (m x) (syntax 1)) (provide m))}
@t{(m)}
"1")
(test @t{(module m mzscheme (define-syntax s (syntax 1)) (provide s))}
@t{s}
". s: illegal use of syntax in: s")
(test @t{(module m mzscheme (define-syntax (x stx) #'(define a 10)) x x)}
@t{a}
#rx"[.] [.] a:.*cannot reference an identifier before its definition")
(test @t{(module m mzscheme
(define-syntax (x stx) #'(define-syntax (a stx) #'10))
x
x)}
@t{a}
#rx"[.] [.] a:.*cannot reference an identifier before its definition")
(test @t{(module m mzscheme
(define-syntax (x stx) #'(define a 10))
x
x
(define a 77))}
@t{a}
"77")
(test @t{(module m mzscheme
(define-syntax (x stx) #'(define-syntax (a stx) #'10))
x
x
(define a 78))}
@t{a}
"78")
(test @t{(module m mzscheme
(require-for-syntax (file @in-here{module-lang-test-tmp2.rkt}))
(provide s)
(define-syntax (s stx) e))}
@t{(require 'm) s}
@rx{[?]:.*literal data is not allowed.*no #%datum syntax transformer is bound in: 1$})
(test @t{(module tmp mzscheme
(provide (rename app #%app)
(rename -current-namespace current-namespace)
(rename -module->namespace module->namespace))
(define x 2)
(define -current-namespace error)
(define -module->namespace error)
(define-syntax app (syntax-rules () ((app . x) '(app . x)))))}
@t{x}
"2")
(test @t{#lang racket
(eval 'cons)}
#f
@rx{cons: unbound identifier.*no #%top syntax transformer is bound})
(test @t{(module m (file @in-here{module-lang-test-tmp1.rkt}) 1 2 3)}
@t{1} ;; just make sure no errors.
"1")
(test @t{#lang racket}
@t{(begin-for-syntax (+ 1 2))}
@t{})
(test @t{#lang racket}
@t{(begin (struct s (x)) (struct t s (y)) (s-x (t 1 2)))}
"1")
;; check that we have a working repl in the right language after
;; syntax errors, unless it's a bad language
(test @t{#lang racket
(define x 1)
(define y (/ 0))}
@t{(+ 122 x)}
@rx{. /: division by zero
123}
#t)
(test @t{#lang racket
(define x 1)
(define y (/ 0))}
@t{(if x 123)}
@rx{/: division by zero.*if: missing an "else"}
#t)
(test @t{#lang mzscheme
(define x 1)
(define y (/ 0))}
@t{(if x 123)}
@rx{. /: division by zero
123}
#t)
(test @t{(module xx scheme/list
(define x 1)
(define y (/ 0)))}
#f
@rx{no #%module-begin binding in the module's language
Interactions disabled:
does not support a REPL \(no #%top-interaction\)}
#t)
(test @t{(module xx (file @in-here{module-lang-test-tmp4.rkt})
(define x 1)
(* x 123))}
#f
@rx{444
123
Interactions disabled:
does not support a REPL \(no #%top-interaction\)
}
#t)
(test @t{(module xx (file @in-here{this-file-does-not-exist})
(define x 1)
(* x 123))}
#f
@rx{cannot open input file
Module Language: invalid language specification
Interactions disabled}
#t)
(test @t{#lang setup/infotab}
#f
;; test the complete buffer, to make sure that there is no error
"\nInteractions disabled: setup/infotab does not support a REPL (no #%top-interaction)"
#t)
;; test racket/load behavior
(test @t{#lang racket/load
(module m mzscheme (provide x) (define x 2))
(require 'm)
(printf "~s\n" x)
(flush-output)}
#f
"2")
(test @t{#lang racket/load
(module m mzscheme (provide x) (define x 2))
(module n racket/base (require 'm) (provide y) (define y (* x x)))
(require 'n)
(printf "~s\n" y)
(flush-output)}
#f
"4")
(test @t{#lang racket
(define-syntax (f stx)
(syntax-case stx ()
[(f)
(raise (make-exn:fail:syntax "both" (current-continuation-marks) (list #'f stx)))]))}
@t{(f)}
(string-append "> (f)\n"
". both in:\n"
" f\n"
" (f)")
#t)
(test @t{#lang racket/base}
@t{(begin (values) 1)}
"1")
(test @t{#lang racket/base}
@t{ (eval '(values 1 2))}
@t{1@"\n"2})
(test @t{#lang racket/base}
@t{ (eval '(list 1 2))}
@t{'(1 2)})
(test @t{#lang racket/base}
@t{ (eval '(lambda ()))}
@t{lambda: bad syntax in: (lambda ())})
(test @t{#lang racket/base}
@t{(expt 3 (void))}
@rx{expt: contract violation.*given: #<void>})
(test @t{#lang racket/base}
@t{1 2 ( 3 4}
@t{1@"\n"2@"\n". read: expected a `)' to close `('})
(test @t{#lang racket/base}
"1 2 . 3 4"
"1\n2\n. read: illegal use of `.'")
(test @t{#lang racket/base}
"1 2 (lambda ()) 3 4"
"1\n2\n. lambda: bad syntax in: (lambda ())")
(test @t{#lang racket/base}
"1 2 x 3 4"
#rx"1\n2\n[.] [.] x:.*cannot reference an identifier before its definition")
(test @t{#lang racket/base}
"1 2 (raise 1) 3 4"
"1\n2\nuncaught exception: 1")
(test @t{#lang racket/base}
"1 2 (raise #f) 3 4"
"1\n2\nuncaught exception: #f")
(test @t{#lang racket/base}
"(current-namespace (make-empty-namespace)) if"
#rx". #%top-interaction: unbound identifier.*no #%app syntax transformer is bound")
(test @t{#lang racket/base}
(string-append
"(let ([old (error-escape-handler)])\n"
"(+ (let/ec k\n(dynamic-wind\n"
"(lambda () (error-escape-handler (lambda () (k 5))))\n"
"(lambda () (expt 3 #f))\n"
"(lambda () (error-escape-handler old))))\n"
"10))")
#rx"[.] [.] expt: contract violation.*given: #f\n15")
(test @t{#lang racket/base}
"(write (list (syntax x)))"
"(.)")
(test @t{#lang racket/base}
"(parameterize ([current-output-port (open-output-string)]) (write #'1))"
"")
(test @t{#lang racket/base}
"(write-special 1)"
"1#t")
(test @t{#lang racket/gui}
(format "~s ~s ~s"
'(define s (make-semaphore 0))
'(queue-callback
(lambda ()
(dynamic-wind
void
(lambda () (expt 3 #f))
(lambda () (semaphore-post s)))))
'(begin (yield s) (void)))
#rx"[.] [.] expt: contract violation.*given: #f")
(test @t{#lang racket/base}
(format "~s ~s"
'(define x 1)
'((λ (x y) y) (set! x (call/cc (lambda (x) x))) (x 3)))
#rx". . application:.*given: 3")
(test @t{#lang racket/base}
(format "~s ~s ~s ~s"
'(begin (define k (call/cc (λ (x) x)))
(define x 'wrong))
'(set! x 'right)
'(k 1)
'x)
"'right")
(test @t{#lang racket/base}
(format "~s"
'(call-with-continuation-prompt
(lambda ()
(eval '(begin (abort-current-continuation
(default-continuation-prompt-tag)
1 2 3)
10)))
(default-continuation-prompt-tag)
list))
"'(1 2 3)")
(test @t{#lang racket/gui}
"(vector (new snip%))"
"(vector .)")
(test @t{#lang racket/base}
"(begin (thread (lambda () x)) (sleep 1/10))"
#rx"[.] [.] x:.*cannot reference an identifier before its definition")
(test @t{#lang racket/base}
"(require texpict/utils)(disk 3)"
".")
(test @t{#lang racket/base}
(string-append
"(require mzlib/pretty)"
"(pretty-print-print-hook (lambda x (expt 3 #f)))"
"(list 1 2 3)")
"'(1 2 3)")
;; test protection against user-code changing the namespace
(test @t{#lang racket/base
(current-namespace (make-base-namespace))}
"(+ 1 2)"
"3")
(test @t{#lang racket/base
(current-namespace (make-base-empty-namespace))}
"(+ 1 2)"
"3")
(test @t{#lang racket/base}
@t{(parameterize ([current-directory "/does/not/exists/well/it/better/not/anwyays"])
(load @in-here{module-lang-test-syn-error.rkt}))}
;; test to make sure that we don't get "exception raised by error display handler"
#rx"module-lang-test-syn-error.rkt:[0-9]+:[0-9]+: lambda: bad syntax in: \\(lambda\\)")
(test @t{#lang racket
(module+ main (printf "main\n"))
(module+ test (printf "test\n"))
(module+ other (printf "other\n"))}
#f
#rx"main\ntest")
(test @t{#lang racket}
(format "~s" '(+ 1 (+ 1 (abort-current-continuation
(default-continuation-prompt-tag)
(lambda ()
(abort-current-continuation
(default-continuation-prompt-tag)
(λ () 0)))))))
"0")
(test @t{#lang racket}
(format "~s ~s ~s"
'1
'(+ 1 (+ 1 (abort-current-continuation
(default-continuation-prompt-tag)
(lambda ()
(abort-current-continuation
(default-continuation-prompt-tag)
(λ () 0))))))
'2)
"1\n0")
(test @t{#lang racket}
(format "~s"
'(begin
1
(+ 1 (+ 1 (abort-current-continuation
(default-continuation-prompt-tag)
(lambda ()
(abort-current-continuation
(default-continuation-prompt-tag)
(λ () 0))))))
2))
"0")
(fire-up-drracket-and-run-tests run-test)