diff --git a/regress/sys/kern/extent/extest.awk b/regress/sys/kern/extent/extest.awk
index 371b8327537e..3cfb19a5a07f 100644
--- a/regress/sys/kern/extent/extest.awk
+++ b/regress/sys/kern/extent/extest.awk
@@ -1,4 +1,4 @@
-# $NetBSD: extest.awk,v 1.5 2000/07/03 04:02:36 matt Exp $
+# $NetBSD: extest.awk,v 1.6 2002/02/21 03:59:25 mrg Exp $
 
 BEGIN {
 	first = 1;
@@ -60,6 +60,11 @@ $1 == "alloc_subregion" {
 	printf("else\n\tprintf(\"result: 0x%%lx\\n\", result);\n")
 }
 
+$1 == "free" {
+	printf("error = extent_free(ex, %s, %s, 0);\n", $2, $3)
+	printf("if (error)\n\tprintf(\"error: %%s\\n\", strerror(error));\n")
+}
+
 $1 == "print" {
 	printf("extent_print(ex);\n")
 }
diff --git a/regress/sys/kern/extent/extest.exp b/regress/sys/kern/extent/extest.exp
index c3055f501ea5..f35c771aaa44 100644
--- a/regress/sys/kern/extent/extest.exp
+++ b/regress/sys/kern/extent/extest.exp
@@ -1,4 +1,4 @@
-# $NetBSD: extest.exp,v 1.7 2002/02/20 01:26:37 enami Exp $
+# $NetBSD: extest.exp,v 1.8 2002/02/21 03:59:25 mrg Exp $
 # real output must start in line 4
 
 output for test1
@@ -51,3 +51,15 @@ extent `test9' (0x0 - 0x4f), flags = 0x0
      0x0 - 0x3
      0xd - 0xe
      0x10 - 0x17
+output for test10
+result: 0xc0010000
+result: 0xc0020000
+extent `test10' (0xc0002000 - 0xffffe000), flags = 0x0
+     0xc0010000 - 0xc0011fff
+     0xc0020000 - 0xc0021fff
+extent `test10' (0xc0002000 - 0xffffe000), flags = 0x0
+     0xc0010000 - 0xc0011fff
+result: 0xc0022000
+extent `test10' (0xc0002000 - 0xffffe000), flags = 0x0
+     0xc0010000 - 0xc0011fff
+     0xc0022000 - 0xc0031fff
diff --git a/regress/sys/kern/extent/tests b/regress/sys/kern/extent/tests
index b6db6f042228..e24ede50299f 100644
--- a/regress/sys/kern/extent/tests
+++ b/regress/sys/kern/extent/tests
@@ -1,4 +1,4 @@
-# $NetBSD: tests,v 1.7 2002/02/09 15:58:35 bouyer Exp $
+# $NetBSD: tests,v 1.8 2002/02/21 03:59:25 mrg Exp $
 
 #fill up an extent, should coalesce into one allocation
 extent test1 0 0x4f
@@ -72,3 +72,15 @@ alloc_subregion 0xd 0x20 2
 boundary 8
 alloc_subregion 0 0x4f 8
 print
+
+#check that free works
+extent test10 0xc0002000 0xffffe000 EX_BOUNDZERO
+boundary 0x10000
+align 0x10000
+alloc_subregion 0xc0002000 0xffffe000 0x2000
+alloc_subregion 0xc0002000 0xffffe000 0x2000
+print
+free 0xc0020000 0x2000
+print
+alloc_subregion 0xc0002000 0xffffe000 0x10000
+print