--- gforth/regexp-test.fs	2010/05/27 08:58:57	1.7
+++ gforth/regexp-test.fs	2010/09/04 22:27:22	1.11
@@ -118,15 +118,49 @@ s" fofoofoofofooofoobarbar" ?foos1
 s" bla baz bar" ?foos1
 s" foofoofoo" ?foos1
 
+\ buffer overrun test (bug in =")
+
+ : ?long-string
+    (( // \( =" abcdefghi" \) ))
+    IF  \1 type  cr THEN ;
+
+here 4096 allocate throw 4096 + 8 - constant test-string
+ s" abcdefgh" test-string swap cmove>
+ .( provoking overflow [i.e. see valgrind output]) cr
+ test-string . cr
+ test-string 8 ?long-string
+.( done) cr
+
+\ simple replacement test
+ 
+." --- simple replacement test ---" cr
+
+: delnum  ( addr u -- addr' u' )   s// \d s" " //g ;
+: test-delnum  ( addr u addr' u' -- )
+   2swap delnum 2over 2over str= 0= IF
+      ." test-delnum: got '" type ." ', expected '" type ." '"
+   ELSE  2drop 2drop  THEN ;
+s" 0"  s" " test-delnum
+s" 00"  s" " test-delnum
+s" 0a"  s" a" test-delnum
+s" a0"  s" a" test-delnum
+s" aa"  s" aa" test-delnum
+
+: delcomment  ( addr u -- addr' u' )  s// ` # {** .? **}  s" " //g ;
+s" hello # test " delcomment type cr
+
 \ replacement tests
 
+." --- replacement tests ---" cr
+
 : hms>s ( addr u -- addr' u' )
   s// \( \d \d \) ` : \( \d \d \) ` : \( \d \d \)
   \1 s>number drop 60 *
   \2 s>number drop + 60 *
   \3 s>number drop + 0 <# 's' hold #s #> //g ;
 
-s" bla 12:34:56 fasel 00:01:57 blubber" hms>s
-s" bla 45296s fasel 117s" str= 0= [IF] .( failed) [THEN]
+s" bla 12:34:56 fasel 00:01:57 blubber" 2dup type hms>s
+."  replaced by " 2dup type
+s" bla 45296s fasel 117s blubber" str= [IF] .(  ok) [ELSE] .(  failed) [THEN] cr
 
 script? [IF] bye [THEN]