1ffed5aa95
Patch accepted upstream: <http://lists.gnu.org/archive/html/guile-devel/2010-09/threads.html#00114>. * module/ice-9/match.upstream.scm (match-two): Add support for `..1'. * test-suite/tests/match.test ("matches")["list ..1", "list ..1, with predicate"]: New tests. ("doesn't match")["list ..1", "list ..1, with predicate"]: New tests.
103 lines
2.6 KiB
Scheme
103 lines
2.6 KiB
Scheme
;;;; match.test --- (ice-9 match) -*- mode: scheme; coding: utf-8; -*-
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;;;;
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;;;; Copyright (C) 2010 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 (test-match)
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#:use-module (ice-9 match)
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#:use-module (test-suite lib))
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(define exception:match-error
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(cons 'match-error "^.*$"))
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(with-test-prefix "matches"
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(pass-if "wildcard"
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(match "hello" (_ #t)))
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(pass-if "symbol"
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(match 'foo ('foo #t)))
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(pass-if "string"
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(match "bar" ("bar" #t)))
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(pass-if "number"
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(match 777 (777 #t)))
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(pass-if "char"
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(match #\g (#\g #t)))
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(pass-if "sexp"
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(match '(a b c) ('(a b c) #t)))
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(pass-if "predicate"
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(match '(a 1 2)
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(('a (and (? odd?) one) (? even?))
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(= one 1))))
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(pass-if "list"
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(let ((lst '(a b c)))
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(match lst
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((x y z)
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(equal? (list x y z) lst)))))
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(pass-if "list rest..."
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(let ((lst '(a b c)))
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(match lst
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((x rest ...)
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(and (eq? x 'a) (equal? rest '(b c)))))))
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(pass-if "list . rest"
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(let ((lst '(a b c)))
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(match lst
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((x . rest)
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(and (eq? x 'a) (equal? rest '(b c)))))))
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(pass-if "list ..1"
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(match '(a b c)
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((x ..1)
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(equal? x '(a b c)))))
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(pass-if "list ..1, with predicate"
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(match '(a b c)
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(((and x (? symbol?)) ..1)
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(equal? x '(a b c)))))
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(pass-if "tree"
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(let ((tree '(one (two 2) (three 3 (and 4 (and 5))))))
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(match tree
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(('one ('two x) ('three y ('and z '(and 5))))
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(equal? (list x y z) '(2 3 4)))))))
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(with-test-prefix "doesn't match"
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(pass-if-exception "tree"
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exception:match-error
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(match '(a (b c))
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((foo (bar)) #t)))
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(pass-if-exception "list ..1"
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exception:match-error
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(match '()
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((x ..1) #f)))
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(pass-if-exception "list ..1, with predicate"
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exception:match-error
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(match '(a 0)
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(((and x (? symbol?)) ..1)
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(equal? x '(a b c))))))
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