Import guile-1.8 as multiple upstream tarball component

[lilypond.git] / guile18 / test-suite / tests / streams.test

diff --git a/guile18/test-suite/tests/streams.test b/guile18/test-suite/tests/streams.test
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+;;;; streams.test --- test Guile ice-9 streams module -*- scheme -*-
+;;;;
+;;;; Copyright (C) 2004, 2006 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
+;;;; the Free Software Foundation; either version 2, or (at your option)
+;;;; any later version.
+;;;; 
+;;;; This program 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 General Public License for more details.
+;;;; 
+;;;; You should have received a copy of the GNU General Public License
+;;;; along with this software; see the file COPYING.  If not, write to
+;;;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;;;; Boston, MA 02110-1301 USA
+
+(define-module (test-suite test-streams)
+  :use-module (test-suite lib)
+  :use-module (ice-9 streams))
+
+
+;;;
+;;; stream-for-each
+;;;
+
+(with-test-prefix "stream-for-each"
+
+  (with-test-prefix "1 streams"
+
+    (pass-if "empty"
+      (let ((lst '()))
+       (stream-for-each (lambda (x)
+                          (set! lst (cons x lst)))
+                        (list->stream '()))
+       (equal? '() lst)))
+
+    (pass-if "123"
+      (let ((lst '()))
+       (stream-for-each (lambda (x)
+                          (set! lst (cons x lst)))
+                        (list->stream '(1 2 3)))
+       (equal? '(3 2 1) lst))))
+
+  (with-test-prefix "2 streams"
+
+    (pass-if "empty empty"
+      (let ((lst '()))
+       (stream-for-each (lambda (x y)
+                          (set! lst (cons* x y lst)))
+                        (list->stream '())
+                        (list->stream '()))
+       (equal? '() lst)))
+
+    (pass-if "123 456"
+      (let ((lst '()))
+       (stream-for-each (lambda (x y)
+                          (set! lst (cons* x y lst)))
+                        (list->stream '(1 2 3))
+                        (list->stream '(4 5 6)))
+       (equal? '(3 6 2 5 1 4) lst)))
+
+    (pass-if "12 456"
+      (let ((lst '()))
+       (stream-for-each (lambda (x y)
+                          (set! lst (cons* x y lst)))
+                        (list->stream '(1 2))
+                        (list->stream '(4 5 6)))
+       (equal? '(2 5 1 4) lst)))
+
+    (pass-if "123 45"
+      (let ((lst '()))
+       (stream-for-each (lambda (x y)
+                          (set! lst (cons* x y lst)))
+                        (list->stream '(1 2 3))
+                        (list->stream '(4 5)))
+       (equal? '(2 5 1 4) lst)))))