Add Towers of Hanoi regression test.

2 files changed, 19 insertions, 1 deletions

diff --git a/tools/regression/usr.bin/sed/regress.hanoi.out b/tools/regression/usr.bin/sed/regress.hanoi.out
new file mode 100644
index 0000000..ec39ea2
--- /dev/null
+++ b/tools/regression/usr.bin/sed/regress.hanoi.out
@@ -0,0 +1,17 @@
+:abcd:    :    :
+:abc :    :d   :
+:ab  :c   :d   :
+:ab  :cd  :    :
+:a   :cd  :b   :
+:ad  :c   :b   :
+:ad  :    :bc  :
+:a   :    :bcd :
+:    :a   :bcd :
+:    :ad  :bc  :
+:c   :ad  :b   :
+:cd  :a   :b   :
+:cd  :ab  :    :
+:c   :ab  :d   :
+:    :abc :d   :
+:    :abcd:    :
+Done!  Try another, or end with ^D.
diff --git a/tools/regression/usr.bin/sed/regress.sh b/tools/regression/usr.bin/sed/regress.sh
index cd68e24..cf1dc38 100644
--- a/tools/regression/usr.bin/sed/regress.sh
+++ b/tools/regression/usr.bin/sed/regress.sh
@@ -2,7 +2,7 @@
 
 REGRESSION_START($1)
 
-echo '1..9'
+echo '1..10'
 
 REGRESSION_TEST(`G', `sed G < regress.in')
 REGRESSION_TEST(`P', `sed P < regress.in')
@@ -13,5 +13,6 @@ REGRESSION_TEST(`sg', `echo foo | sed s/,*/,/g')
 REGRESSION_TEST(`s3', `echo foo | sed s/,*/,/3')
 REGRESSION_TEST(`s4', `echo foo | sed s/,*/,/4')
 REGRESSION_TEST(`s5', `echo foo | sed s/,*/,/5')
+REGRESSION_TEST(`hanoi', `echo ":abcd: : :" | sed -f hanoi.sed')
 
 REGRESSION_END()