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0472af4c58
* module/language/tree-il/primitives.scm (expand-chained-comparisons):
Fix (< 'foo) compilation.
* test-suite/tests/compiler.test ("regression tests"): Add test case.
216 lines
7.5 KiB
Scheme
216 lines
7.5 KiB
Scheme
;;;; compiler.test --- tests for the compiler -*- scheme -*-
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;;;; Copyright (C) 2008, 2009, 2010, 2011, 2012, 2013, 2014 Free Software Foundation, Inc.
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;;;;
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;;;; This library is free software; you can redistribute it and/or
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;;;; modify it under the terms of the GNU Lesser General Public
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;;;; License as published by the Free Software Foundation; either
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;;;; version 3 of the License, or (at your option) any later version.
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;;;;
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;;;; This library is distributed in the hope that it will be useful,
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;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;;;; Lesser General Public License for more details.
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;;;;
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;;;; You should have received a copy of the GNU Lesser General Public
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;;;; License along with this library; if not, write to the Free Software
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;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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(define-module (tests compiler)
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#:use-module (test-suite lib)
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#:use-module (test-suite guile-test)
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#:use-module (system base compile)
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#:use-module ((system vm loader) #:select (load-thunk-from-memory))
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#:use-module ((system vm program) #:select (program-sources source:addr)))
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(define read-and-compile
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(@@ (system base compile) read-and-compile))
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(with-test-prefix "basic"
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(pass-if "compile to value"
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(equal? (compile 1) 1)))
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(with-test-prefix "psyntax"
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(pass-if "compile uses a fresh module by default"
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(begin
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(compile '(define + -))
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(eq? (compile '+) +)))
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(pass-if "compile-time definitions are isolated"
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(begin
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(compile '(define foo-bar #t))
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(not (module-variable (current-module) 'foo-bar))))
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(pass-if "compile in current module"
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(let ((o (begin
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(compile '(define-macro (foo) 'bar)
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#:env (current-module))
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(compile '(let ((bar 'ok)) (foo))
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#:env (current-module)))))
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(and (macro? (module-ref (current-module) 'foo))
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(eq? o 'ok))))
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(pass-if "compile in fresh module"
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(let* ((m (let ((m (make-module)))
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(beautify-user-module! m)
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m))
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(o (begin
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(compile '(define-macro (foo) 'bar) #:env m)
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(compile '(let ((bar 'ok)) (foo)) #:env m))))
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(and (module-ref m 'foo)
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(eq? o 'ok))))
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(pass-if "redefinition"
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;; In this case the locally-bound `round' must have the same value as the
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;; imported `round'. See the same test in `syntax.test' for details.
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(let ((m (make-module)))
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(beautify-user-module! m)
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(compile '(define round round) #:env m)
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(eq? round (module-ref m 'round)))))
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(with-test-prefix "current-reader"
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(pass-if "default compile-time current-reader differs"
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(not (eq? (compile 'current-reader)
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current-reader)))
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(pass-if "compile-time changes are honored and isolated"
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;; Make sure changing `current-reader' as the side-effect of a defmacro
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;; actually works.
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(let ((r (fluid-ref current-reader))
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(input (open-input-string
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"(define-macro (install-reader!)
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;;(format #t \"current-reader = ~A~%\" current-reader)
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(fluid-set! current-reader
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(let ((first? #t))
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(lambda args
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(if first?
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(begin
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(set! first? #f)
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''ok)
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(read (open-input-string \"\"))))))
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#f)
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(install-reader!)
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this-should-be-ignored")))
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(and (eq? ((load-thunk-from-memory (read-and-compile input)))
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'ok)
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(eq? r (fluid-ref current-reader)))))
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(pass-if "with eval-when"
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(let ((r (fluid-ref current-reader)))
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(compile '(eval-when (compile eval)
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(fluid-set! current-reader (lambda args 'chbouib))))
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(eq? (fluid-ref current-reader) r))))
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(with-test-prefix "procedure-name"
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(pass-if "program"
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(let ((m (make-module)))
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(beautify-user-module! m)
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(compile '(define (foo x) x) #:env m)
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(eq? (procedure-name (module-ref m 'foo)) 'foo)))
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(pass-if "program with lambda"
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(let ((m (make-module)))
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(beautify-user-module! m)
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(compile '(define foo (lambda (x) x)) #:env m)
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(eq? (procedure-name (module-ref m 'foo)) 'foo)))
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(pass-if "subr"
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(eq? (procedure-name waitpid) 'waitpid)))
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(with-test-prefix "program-sources"
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(with-test-prefix "source info associated with IP 0"
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;; Tools like `(system vm coverage)' like it when source info is associated
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;; with IP 0 of a VM program, which corresponds to the entry point. See
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;; also <http://savannah.gnu.org/bugs/?29817> for details.
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(pass-if "lambda"
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(let ((s (program-sources (compile '(lambda (x) x)))))
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(not (not (memv 0 (map source:addr s))))))
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(pass-if "lambda*"
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(let ((s (program-sources
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(compile '(lambda* (x #:optional y) x)))))
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(not (not (memv 0 (map source:addr s))))))
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(pass-if "case-lambda"
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(let ((s (program-sources
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(compile '(case-lambda (() #t)
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((y) y)
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((y z) (list y z)))))))
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(not (not (memv 0 (map source:addr s))))))))
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(with-test-prefix "case-lambda"
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(pass-if "self recursion to different clause"
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(equal? (with-output-to-string
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(lambda ()
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(let ()
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(define t
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(case-lambda
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((x)
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(t x 'y))
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((x y)
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(display (list x y))
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(list x y))))
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(display (t 'x)))))
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"(x y)(x y)")))
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(with-test-prefix "limits"
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(define (arg n)
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(string->symbol (format #f "arg~a" n)))
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;; Cons and vector-set! take uint8 arguments, so this triggers the
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;; shuffling case. Also there is the case where more than 252
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;; arguments causes shuffling.
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(pass-if "300 arguments"
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(equal? (apply (compile `(lambda ,(map arg (iota 300))
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'foo))
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(iota 300))
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'foo))
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(pass-if "300 arguments with list"
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(equal? (apply (compile `(lambda ,(map arg (iota 300))
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(list ,@(reverse (map arg (iota 300))))))
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(iota 300))
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(reverse (iota 300))))
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(pass-if "300 arguments with vector"
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(equal? (apply (compile `(lambda ,(map arg (iota 300))
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(vector ,@(reverse (map arg (iota 300))))))
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(iota 300))
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(list->vector (reverse (iota 300)))))
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(pass-if "0 arguments with list of 300 elements"
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(equal? ((compile `(lambda ()
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(list ,@(map (lambda (n) `(identity ,n))
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(iota 300))))))
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(iota 300)))
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(pass-if "0 arguments with vector of 300 elements"
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(equal? ((compile `(lambda ()
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(vector ,@(map (lambda (n) `(identity ,n))
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(iota 300))))))
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(list->vector (iota 300)))))
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(with-test-prefix "regression tests"
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(pass-if-equal "#18583" 1
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(compile
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'(begin
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(define x (list 1))
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(define x (car x))
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x)))
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(pass-if "Chained comparisons"
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(not (compile
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'(false-if-exception (< 'not-a-number))))))
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