Imported Upstream version 93u+upstream

1 files changed, 68 insertions, 0 deletions

diff --git a/src/cmd/ksh93/tests/leaks.sh b/src/cmd/ksh93/tests/leaks.sh
new file mode 100755
index 0000000..8d89b05
--- /dev/null
+++ b/src/cmd/ksh93/tests/leaks.sh
@@ -0,0 +1,68 @@
+########################################################################
+#                                                                      #
+#               This software is part of the ast package               #
+#          Copyright (c) 1982-2011 AT&T Intellectual Property          #
+#                      and is licensed under the                       #
+#                 Eclipse Public License, Version 1.0                  #
+#                    by AT&T Intellectual Property                     #
+#                                                                      #
+#                A copy of the License is available at                 #
+#          http://www.eclipse.org/org/documents/epl-v10.html           #
+#         (with md5 checksum b35adb5213ca9657e911e9befb180842)         #
+#                                                                      #
+#              Information and Software Systems Research               #
+#                            AT&T Research                             #
+#                           Florham Park NJ                            #
+#                                                                      #
+#                  David Korn <dgk@research.att.com>                   #
+#                                                                      #
+########################################################################
+builtin vmstate 2>/dev/null || exit 0
+
+function err_exit
+{
+	print -u2 -n "\t"
+	print -u2 -r ${Command}[$1]: "${@:2}"
+	let Errors+=1
+}
+alias err_exit='err_exit $LINENO'
+
+Command=${0##*/}
+integer Errors=0
+
+# test for variable reset leak #
+
+function test_reset
+{
+	integer i n=$1
+
+	for ((i = 0; i < n; i++))
+	do	u=$i
+	done
+}
+
+n=1000
+
+# one round to get to steady state -- sensitive to -x
+
+test_reset $n
+a=0$(vmstate --format='+%(size)u')
+b=0$(vmstate --format='+%(size)u')
+
+test_reset $n
+a=0$(vmstate --format='+%(size)u')
+test_reset $n
+b=0$(vmstate --format='+%(size)u')
+
+if	(( b > a ))
+then	err_exit "variable value reset memory leak -- $((b-a)) bytes after $n iterations"
+fi
+
+# buffer boundary tests
+
+for exp in 65535 65536
+do	got=$($SHELL -c 'x=$(printf "%.*c" '$exp' x); print ${#x}' 2>&1)
+	[[ $got == $exp ]] || err_exit "large command substitution failed -- expected $exp, got $got"
+done
+
+exit $((Errors<125?Errors:125))