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* tests/syntax.test: Added various tests to check that

Browse source 
unmemoization works correctly.
This commit is contained in:
Dirk Herrmann 2004-05-31 15:31:04 +00:00
parent 57d23e259a
commit aa498d0c1b
2 changed files with 193 additions and 23 deletions
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5
test-suite/ChangeLog
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@ -1,3 +1,8 @@
2004-05-29 Dirk Herrmann <dirk@dirk-herrmanns-seiten.de>
* tests/syntax.test: Added various tests to check that
unmemoization works correctly.
2004-05-30 Kevin Ryde <user42@zip.com.au>
* lib.scm (exception:numerical-overflow): New define.

211
test-suite/tests/syntax.test
View file

@ -1,6 +1,6 @@
;;;; syntax.test --- test suite for Guile's syntactic forms -*- scheme -*-
;;;;
;;;; Copyright (C) 2001, 2003 Free Software Foundation, Inc.
;;;; Copyright (C) 2001,2003,2004 Free Software Foundation, Inc.
;;;;
;;;; This program is free software; you can redistribute it and/or modify
;;;; it under the terms of the GNU General Public License as published by
@ -115,6 +115,26 @@
(begin)
#t)
(with-test-prefix "unmemoization"
(pass-if "normal begin"
(let ((foo (lambda () (if (= 1 1) (begin (+ 1) (+ 2))))))
(foo) ; make sure, memoization has been performed
(equal? (procedure-source foo)
'(lambda () (if (= 1 1) (begin (+ 1) (+ 2)))))))
(pass-if "redundant nested begin"
(let ((foo (lambda () (if (= 1 1) (begin (+ 1) (begin (+ 2) (+ 3)))))))
(foo) ; make sure, memoization has been performed
(equal? (procedure-source foo)
'(lambda () (if (= 1 1) (begin (+ 1) (begin (+ 2) (+ 3))))))))
(pass-if "redundant begin at start of body"
(let ((foo (lambda () (begin (+ 1) (+ 2))))) ; should be optimized
(foo) ; make sure, memoization has been performed
(equal? (procedure-source foo)
'(lambda () (begin (+ 1) (+ 2)))))))
(expect-fail-exception "illegal (begin)"
exception:bad-body
(if #t (begin))
@ -122,6 +142,20 @@
(with-test-prefix "lambda"
(with-test-prefix "unmemoization"
(pass-if "normal lambda"
(let ((foo (lambda () (lambda (x y) (+ x y)))))
((foo) 1 2) ; make sure, memoization has been performed
(equal? (procedure-source foo)
'(lambda () (lambda (x y) (+ x y))))))
(pass-if "lambda with documentation"
(let ((foo (lambda () (lambda (x y) "docstring" (+ x y)))))
((foo) 1 2) ; make sure, memoization has been performed
(equal? (procedure-source foo)
'(lambda () (lambda (x y) "docstring" (+ x y)))))))
(with-test-prefix "bad formals"
(pass-if-exception "(lambda)"
@ -187,6 +221,14 @@
(with-test-prefix "let"
(with-test-prefix "unmemoization"
(pass-if "normal let"
(let ((foo (lambda () (let ((i 1) (j 2)) (+ i j)))))
(foo) ; make sure, memoization has been performed
(equal? (procedure-source foo)
'(lambda () (let ((i 1) (j 2)) (+ i j)))))))
(with-test-prefix "bindings"
(pass-if-exception "late binding"
@ -283,6 +325,24 @@
(with-test-prefix "let*"
(with-test-prefix "unmemoization"
(pass-if "normal let*"
(let ((foo (lambda () (let* ((x 1) (y 2)) (+ x y)))))
(foo) ; make sure, memoization has been performed
(equal? (procedure-source foo)
'(lambda () (let* ((x 1) (y 2)) (+ x y))))))
(pass-if "let* without bindings"
(let ((foo (lambda () (let ((x 1) (y 2))
(let* ()
(and (= x 1) (= y 2)))))))
(foo) ; make sure, memoization has been performed
(equal? (procedure-source foo)
'(lambda () (let ((x 1) (y 2))
(let* ()
(and (= x 1) (= y 2)))))))))
(with-test-prefix "bindings"
(pass-if "(let* ((x 1) (x 2)) ...)"
@ -291,7 +351,12 @@
(pass-if "(let* ((x 1) (x x)) ...)"
(let* ((x 1) (x x))
(= x 1))))
(= x 1)))
(pass-if "(let ((x 1) (y 2)) (let* () ...))"
(let ((x 1) (y 2))
(let* ()
(and (= x 1) (= y 2))))))
(with-test-prefix "bad bindings"
@ -354,6 +419,14 @@
(with-test-prefix "letrec"
(with-test-prefix "unmemoization"
(pass-if "normal letrec"
(let ((foo (lambda () (letrec ((i 1) (j 2)) (+ i j)))))
(foo) ; make sure, memoization has been performed
(equal? (procedure-source foo)
'(lambda () (letrec ((i 1) (j 2)) (+ i j)))))))
(with-test-prefix "bindings"
(pass-if-exception "initial bindings are undefined"
@ -429,6 +502,28 @@
(with-test-prefix "if"
(with-test-prefix "unmemoization"
(pass-if "normal if"
(let ((foo (lambda (x) (if x (+ 1) (+ 2)))))
(foo #t) ; make sure, memoization has been performed
(foo #f) ; make sure, memoization has been performed
(equal? (procedure-source foo)
'(lambda (x) (if x (+ 1) (+ 2))))))
(pass-if "if without else"
(let ((foo (lambda (x) (if x (+ 1)))))
(foo #t) ; make sure, memoization has been performed
(foo #f) ; make sure, memoization has been performed
(equal? (procedure-source foo)
'(lambda (x) (if x (+ 1))))))
(pass-if "if #f without else"
(let ((foo (lambda () (if #f #f))))
(foo) ; make sure, memoization has been performed
(equal? (procedure-source foo)
`(lambda () (if #f #f))))))
(with-test-prefix "missing or extra expressions"
(pass-if-exception "(if)"
@ -443,6 +538,46 @@
(with-test-prefix "cond"
(with-test-prefix "cond is hygienic"
(pass-if "bound 'else is handled correctly"
(eq? (let ((else 'ok)) (cond (else))) 'ok))
(with-test-prefix "bound '=> is handled correctly"
(pass-if "#t => 'ok"
(let ((=> 'foo))
(eq? (cond (#t => 'ok)) 'ok)))
(pass-if "else =>"
(let ((=> 'foo))
(eq? (cond (else =>)) 'foo)))
(pass-if "else => identity"
(let ((=> 'foo))
(eq? (cond (else => identity)) identity)))))
(with-test-prefix "unmemoization"
(pass-if "normal clauses"
(let ((foo (lambda (x) (cond ((= x 1) 'bar) ((= x 2) 'baz)))))
(foo 1) ; make sure, memoization has been performed
(foo 2) ; make sure, memoization has been performed
(equal? (procedure-source foo)
'(lambda (x) (cond ((= x 1) 'bar) ((= x 2) 'baz))))))
(pass-if "else"
(let ((foo (lambda () (cond (else 'bar)))))
(foo) ; make sure, memoization has been performed
(equal? (procedure-source foo)
'(lambda () (cond (else 'bar))))))
(pass-if "=>"
(let ((foo (lambda () (cond (#t => identity)))))
(foo) ; make sure, memoization has been performed
(equal? (procedure-source foo)
'(lambda () (cond (#t => identity)))))))
(with-test-prefix "bad or missing clauses"
(pass-if-exception "(cond)"
@ -488,27 +623,7 @@
(pass-if-exception "(cond (1) 1)"
exception:bad-cond-clause
(eval '(cond (1) 1)
(interaction-environment)))))
(with-test-prefix "cond =>"
(with-test-prefix "cond is hygienic"
(pass-if "bound 'else is handled correctly"
(eq? (let ((else 'ok)) (cond (else))) 'ok))
(pass-if "bound '=> is handled correctly"
(eq? (let ((=> #f)) (cond (#t => 'ok))) 'ok)))
(with-test-prefix "else is handled correctly"
(pass-if "else =>"
(let ((=> 'foo))
(eq? (cond (else =>)) 'foo)))
(pass-if "else => identity"
(let* ((=> 'foo))
(eq? (cond (else => identity)) identity))))
(interaction-environment))))
(with-test-prefix "wrong number of arguments"
@ -528,6 +643,24 @@
(eval '(let ((else #f)) (case 1 (else #f)))
(interaction-environment))))
(with-test-prefix "unmemoization"
(pass-if "normal clauses"
(let ((foo (lambda (x) (case x ((1) 'bar) ((2) 'baz) (else 'foobar)))))
(foo 1) ; make sure, memoization has been performed
(foo 2) ; make sure, memoization has been performed
(foo 3) ; make sure, memoization has been performed
(equal? (procedure-source foo)
'(lambda (x) (case x ((1) 'bar) ((2) 'baz) (else 'foobar))))))
(pass-if "empty labels"
(let ((foo (lambda (x) (case x ((1) 'bar) (() 'baz) (else 'foobar)))))
(foo 1) ; make sure, memoization has been performed
(foo 2) ; make sure, memoization has been performed
(foo 3) ; make sure, memoization has been performed
(equal? (procedure-source foo)
'(lambda (x) (case x ((1) 'bar) (() 'baz) (else 'foobar)))))))
(with-test-prefix "bad or missing clauses"
(pass-if-exception "(case)"
@ -684,8 +817,40 @@
'(lambda () (letrec ((bar (lambda () (quote ok)))) (bar)))))
(interaction-environment))))
(with-test-prefix "do"
(with-test-prefix "unmemoization"
(pass-if "normal case"
(let ((foo (lambda () (do ((i 1 (+ i 1)) (j 2))
((> i 9) (+ i j))
(identity i)))))
(foo) ; make sure, memoization has been performed
(equal? (procedure-source foo)
'(lambda () (do ((i 1 (+ i 1)) (j 2))
((> i 9) (+ i j))
(identity i))))))
(pass-if "reduced case"
(let ((foo (lambda () (do ((i 1 (+ i 1)) (j 2 j)) ; redundant step for j
((> i 9) (+ i j))
(identity i)))))
(foo) ; make sure, memoization has been performed
(equal? (procedure-source foo)
'(lambda () (do ((i 1 (+ i 1)) (j 2)) ; no redundancy here
((> i 9) (+ i j))
(identity i))))))))
(with-test-prefix "set!"
(with-test-prefix "unmemoization"
(pass-if "normal set!"
(let ((foo (lambda (x) (set! x (+ 1 x)))))
(foo 1) ; make sure, memoization has been performed
(equal? (procedure-source foo)
'(lambda (x) (set! x (+ 1 x)))))))
(with-test-prefix "missing or extra expressions"
(pass-if-exception "(set!)"