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;;; r6rs-base.test --- Test suite for R6RS (rnrs base)
;; Copyright (C) 2010, 2011 Free Software Foundation, Inc.
;;
;; This library is free software; you can redistribute it and/or
;; modify it under the terms of the GNU Lesser General Public
;; License as published by the Free Software Foundation; either
;; version 3 of the License, or (at your option) any later version.
;;
;; This library is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;; Lesser General Public License for more details.
;;
;; You should have received a copy of the GNU Lesser General Public
;; License along with this library; if not, write to the Free Software
;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
(define-module (test-suite test-r6rs-base)
:use-module ((rnrs base) :version (6))
:use-module ((rnrs conditions) :version (6))
:use-module ((rnrs exceptions) :version (6))
:use-module (test-suite lib))
;; numbers are considered =? if their difference is less than a set
;; tolerance
(define (=? alpha beta)
(< (abs (- alpha beta)) 1e-10))
(with-test-prefix "log (2nd arg)"
(pass-if "log positive-base" (=? (log 8 2) 3))
(pass-if "log negative-base" (=? (real-part (log 256 -4))
0.6519359443))
(pass-if "log base-one" (= (log 10 1) +inf.0))
(pass-if "log base-zero"
(catch #t
(lambda () (log 10 0) #f)
(lambda args #t))))
(with-test-prefix "boolean=?"
(pass-if "boolean=? null" (boolean=?))
(pass-if "boolean=? unary" (boolean=? #f))
(pass-if "boolean=? many"
(and (boolean=? #t #t #t)
(boolean=? #f #f #f)
(not (boolean=? #t #f #t))))
(pass-if "boolean=? mixed type" (not (boolean=? #t #t 'foo))))
(with-test-prefix "symbol=?"
(pass-if "symbol=? null" (symbol=?))
(pass-if "symbol=? unary" (symbol=? 'a))
(pass-if "symbol=? many"
(and (symbol=? 'a 'a 'a)
(symbol=? 'foo 'foo 'foo)
(not (symbol=? 'a 'foo 'a))))
(pass-if "symbol=? mixed type" (not (symbol=? 'a 'a 123))))
(with-test-prefix "infinite?"
(pass-if "infinite? true on infinities"
(and (infinite? +inf.0) (infinite? -inf.0)))
(pass-if "infinite? false on non-infities"
(and (not (infinite? 123)) (not (infinite? +nan.0)))))
(with-test-prefix "finite?"
(pass-if "finite? false on infinities"
(and (not (finite? +inf.0)) (not (finite? -inf.0))))
(pass-if "finite? true on non-infinities"
(and (finite? 123) (finite? 123.0))))
(with-test-prefix "exact-integer-sqrt"
(pass-if "exact-integer-sqrt simple"
(let-values (((s e) (exact-integer-sqrt 5)))
(and (eqv? s 2) (eqv? e 1)))))
(with-test-prefix "integer-valued?"
(pass-if "true on integers"
(and (integer-valued? 3) (integer-valued? 3.0) (integer-valued? 3.0+0.0i)))
(pass-if "false on rationals" (not (integer-valued? 3.1)))
(pass-if "false on reals" (not (integer-valued? +nan.0))))
(with-test-prefix "rational-valued?"
(pass-if "true on integers" (rational-valued? 3))
(pass-if "true on rationals"
(and (rational-valued? 3.1) (rational-valued? 3.1+0.0i)))
(pass-if "false on reals"
(or (not (rational-valued? +nan.0))
(throw 'unresolved))))
(with-test-prefix "real-valued?"
(pass-if "true on integers" (real-valued? 3))
(pass-if "true on rationals" (real-valued? 3.1))
(pass-if "true on reals" (real-valued? +nan.0)))
(with-test-prefix "vector-for-each"
(pass-if "vector-for-each simple"
(let ((sum 0))
(vector-for-each (lambda (x) (set! sum (+ sum x))) '#(1 2 3))
(eqv? sum 6))))
(with-test-prefix "vector-map"
(pass-if "vector-map simple"
(equal? '#(3 2 1) (vector-map (lambda (x) (- 4 x)) '#(1 2 3)))))
(with-test-prefix "real-valued?"
(pass-if (real-valued? +nan.0))
(pass-if (real-valued? +nan.0+0i))
(pass-if (real-valued? +nan.0+0.0i))
(pass-if (real-valued? +inf.0))
(pass-if (real-valued? -inf.0))
(pass-if (real-valued? +inf.0+0.0i))
(pass-if (real-valued? -inf.0-0.0i))
(pass-if (real-valued? 3))
(pass-if (real-valued? -2.5))
(pass-if (real-valued? -2.5+0i))
(pass-if (real-valued? -2.5+0.0i))
(pass-if (real-valued? -2.5-0i))
(pass-if (real-valued? #e1e10))
(pass-if (real-valued? 1e200))
(pass-if (real-valued? 1e200+0.0i))
(pass-if (real-valued? 6/10))
(pass-if (real-valued? 6/10+0.0i))
(pass-if (real-valued? 6/10+0i))
(pass-if (real-valued? 6/3))
(pass-if (not (real-valued? 3+i)))
(pass-if (not (real-valued? -2.5+0.01i)))
(pass-if (not (real-valued? +nan.0+0.01i)))
(pass-if (not (real-valued? +nan.0+nan.0i)))
(pass-if (not (real-valued? +inf.0-0.01i)))
(pass-if (not (real-valued? +0.01i)))
(pass-if (not (real-valued? -inf.0i))))
(with-test-prefix "rational-valued?"
(pass-if (not (rational-valued? +nan.0)))
(pass-if (not (rational-valued? +nan.0+0i)))
(pass-if (not (rational-valued? +nan.0+0.0i)))
(pass-if (not (rational-valued? +inf.0)))
(pass-if (not (rational-valued? -inf.0)))
(pass-if (not (rational-valued? +inf.0+0.0i)))
(pass-if (not (rational-valued? -inf.0-0.0i)))
(pass-if (rational-valued? 3))
(pass-if (rational-valued? -2.5))
(pass-if (rational-valued? -2.5+0i))
(pass-if (rational-valued? -2.5+0.0i))
(pass-if (rational-valued? -2.5-0i))
(pass-if (rational-valued? #e1e10))
(pass-if (rational-valued? 1e200))
(pass-if (rational-valued? 1e200+0.0i))
(pass-if (rational-valued? 6/10))
(pass-if (rational-valued? 6/10+0.0i))
(pass-if (rational-valued? 6/10+0i))
(pass-if (rational-valued? 6/3))
(pass-if (not (rational-valued? 3+i)))
(pass-if (not (rational-valued? -2.5+0.01i)))
(pass-if (not (rational-valued? +nan.0+0.01i)))
(pass-if (not (rational-valued? +nan.0+nan.0i)))
(pass-if (not (rational-valued? +inf.0-0.01i)))
(pass-if (not (rational-valued? +0.01i)))
(pass-if (not (rational-valued? -inf.0i))))
(with-test-prefix "integer-valued?"
(pass-if (not (integer-valued? +nan.0)))
(pass-if (not (integer-valued? +nan.0+0i)))
(pass-if (not (integer-valued? +nan.0+0.0i)))
(pass-if (not (integer-valued? +inf.0)))
(pass-if (not (integer-valued? -inf.0)))
(pass-if (not (integer-valued? +inf.0+0.0i)))
(pass-if (not (integer-valued? -inf.0-0.0i)))
(pass-if (integer-valued? 3))
(pass-if (integer-valued? 3.0))
(pass-if (integer-valued? 3+0i))
(pass-if (integer-valued? 3+0.0i))
(pass-if (integer-valued? 8/4))
(pass-if (integer-valued? #e1e10))
(pass-if (integer-valued? 1e200))
(pass-if (integer-valued? 1e200+0.0i))
(pass-if (not (integer-valued? -2.5)))
(pass-if (not (integer-valued? -2.5+0i)))
(pass-if (not (integer-valued? -2.5+0.0i)))
(pass-if (not (integer-valued? -2.5-0i)))
(pass-if (not (integer-valued? 6/10)))
(pass-if (not (integer-valued? 6/10+0.0i)))
(pass-if (not (integer-valued? 6/10+0i)))
(pass-if (not (integer-valued? 3+i)))
(pass-if (not (integer-valued? -2.5+0.01i)))
(pass-if (not (integer-valued? +nan.0+0.01i)))
(pass-if (not (integer-valued? +nan.0+nan.0i)))
(pass-if (not (integer-valued? +inf.0-0.01i)))
(pass-if (not (integer-valued? +0.01i)))
(pass-if (not (integer-valued? -inf.0i))))
(with-test-prefix "assert"
(pass-if "assert returns value" (= 1 (assert 1)))
(pass-if "assertion-violation"
(guard (condition ((assertion-violation? condition) #t))
(assert #f)
#f)))
(with-test-prefix "string-for-each"
(pass-if "reverse string"
(let ((s "reverse me") (l '()))
(string-for-each (lambda (x) (set! l (cons x l))) s)
(equal? "em esrever" (list->string l))))
(pass-if "two strings good"
(let ((s1 "two legs good")
(s2 "four legs bad")
(c '()))
(string-for-each (lambda (c1 c2)
(set! c (cons* c2 c1 c)))
s1 s2)
(equal? (list->string c)
"ddaobo gs gsegle lr uoowft")))
(pass-if "two strings bad"
(let ((s1 "frotz")
(s2 "veeblefetzer"))
(guard (condition ((assertion-violation? condition) #t))
(string-for-each (lambda (s1 s2) #f) s1 s2)
#f)))
(pass-if "many strings good"
(let ((s1 "foo")
(s2 "bar")
(s3 "baz")
(s4 "zot")
(c '()))
(string-for-each (lambda (c1 c2 c3 c4)
(set! c (cons* c4 c3 c2 c1 c)))
s1 s2 s3 s4)
(equal? (list->string c)
"tzrooaaozbbf")))
(pass-if "many strings bad"
(let ((s1 "foo")
(s2 "bar")
(s3 "baz")
(s4 "quux"))
(guard (condition ((assertion-violation? condition) #t))
(string-for-each (lambda _ #f) s1 s2 s3 s4)
#f))))
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