From 16c6a9a5e47681c824a4f393db1374a0ec6ccfa7 Mon Sep 17 00:00:00 2001
From: Taylor R Campbell <campbell@mumble.net>
Date: Mon, 18 Feb 2013 15:11:04 +0000
Subject: [PATCH] Unparse the symbol whose name is `.' as `|.|'.
Add a trivial test for it.
Found by Pavel Panchekha.
---
src/runtime/unpars.scm | 3 ++-
tests/check.scm | 1 +
tests/runtime/test-readwrite.scm | 33 ++++++++++++++++++++++++++++++++
3 files changed, 36 insertions(+), 1 deletion(-)
create mode 100644 tests/runtime/test-readwrite.scm
diff --git a/src/runtime/unpars.scm b/src/runtime/unpars.scm
index 502ad1f16..016ca0986 100644
--- a/src/runtime/unpars.scm
+++ b/src/runtime/unpars.scm
@@ -362,7 +362,8 @@ USA.
(string->number s))
(and (fix:> (string-length s) 1)
(or (looks-special? s)
- (looks-like-keyword? s))))
+ (looks-like-keyword? s)))
+ (string=? s "."))
(begin
(*unparse-char #\|)
(let ((end (string-length s)))
diff --git a/tests/check.scm b/tests/check.scm
index bc6e5d12d..37905c555 100644
--- a/tests/check.scm
+++ b/tests/check.scm
@@ -49,6 +49,7 @@ USA.
"runtime/test-integer-bits"
"runtime/test-thread-queue"
"runtime/test-process"
+ "runtime/test-readwrite"
"runtime/test-regsexp"
("runtime/test-wttree" (runtime wt-tree))
;;"ffi/test-ffi"
diff --git a/tests/runtime/test-readwrite.scm b/tests/runtime/test-readwrite.scm
new file mode 100644
index 000000000..24861fb1d
--- /dev/null
+++ b/tests/runtime/test-readwrite.scm
@@ -0,0 +1,33 @@
+#| -*-Scheme-*-
+
+Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
+ 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+ 2006, 2007, 2008, 2009, 2010, 2011, 2012 Massachusetts Institute
+ of Technology
+
+This file is part of MIT/GNU Scheme.
+
+MIT/GNU Scheme 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 of the License, or (at
+your option) any later version.
+
+MIT/GNU Scheme 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 MIT/GNU Scheme; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301,
+USA.
+
+|#
+
+;;;; Tests for READ and WRITE
+
+(declare (usual-integrations))
+
+(define-test 'DOT-SYMBOL-GETS-BARS
+ (lambda ()
+ (assert-equal (write-to-string (string->symbol ".")) "|.|")))
--
2.25.1