--- gforth/test/gforth.fs	2006/12/31 13:39:20	1.12
+++ gforth/test/gforth.fs	2007/12/31 18:40:26	1.15
@@ -1,12 +1,12 @@
 \ test some gforth extension words
 
-\ Copyright (C) 2003,2004,2005,2006 Free Software Foundation, Inc.
+\ Copyright (C) 2003,2004,2005,2006,2007 Free Software Foundation, Inc.
 
 \ This file is part of Gforth.
 
 \ Gforth 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
+\ as published by the Free Software Foundation, either version 3
 \ of the License, or (at your option) any later version.
 
 \ This program is distributed in the hope that it will be useful,
@@ -15,8 +15,7 @@
 \ GNU General Public License for more details.
 
 \ You should have received a copy of the GNU General Public License
-\ along with this program; if not, write to the Free Software
-\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
+\ along with this program. If not, see http://www.gnu.org/licenses/.
 
 require ./tester.fs
 decimal
@@ -44,8 +43,47 @@ decimal
 { 'A  -> 65 }
 { 1. '1 -> 1. 49 }
 
-\ represent has no trailing 0s even for inf and nan
+\ REPRESENT has no trailing 0s even for inf and nan
 
 {  1e 0e f/ pad 16 represent drop 2drop pad 15 + c@ '0 = -> false }
 {  0e 0e f/ pad 16 represent drop 2drop pad 15 + c@ '0 = -> false }
 { -1e 0e f/ pad 16 represent drop 2drop pad 15 + c@ '0 = -> false }
+
+\ TRY and friends
+
+: 0<-throw ( n -- )
+    0< throw ;
+
+: try-test1 ( n1 -- n2 )
+    try
+        dup 0<-throw
+        iferror
+            2drop 25
+        then
+        1+
+    endtry ;
+
+{ -5 try-test1 -> 26 }
+{ 5  try-test1 ->  6 }
+
+: try-test2 ( n1 -- n2 )
+    try
+        0
+    restore
+        drop 1+ dup 0<-throw
+    endtry ;
+
+{ -5 try-test2 -> 0 }
+{  5 try-test2 -> 6 }
+
+: try-test3 ( n1 -- n2 )
+    try
+        dup 0<-throw
+    endtry-iferror
+        2drop 10
+    else
+        1+
+    then ;
+
+{ -5 try-test3 -> 10 }
+{  5 try-test3 ->  6 }