diff --git a/kern/include/test.h b/kern/include/test.h
index 7b02114..2437e78 100644
--- a/kern/include/test.h
+++ b/kern/include/test.h
@@ -54,6 +54,7 @@ int semtest(int, char **);
 int locktest(int, char **);
 int cvtest(int, char **);
 int cvtest2(int, char **);
+int rwtest(int, char **);
 
 /* semaphore unit tests */
 int semu1(int, char **);
diff --git a/kern/main/menu.c b/kern/main/menu.c
index 405dfd4..91cd393 100644
--- a/kern/main/menu.c
+++ b/kern/main/menu.c
@@ -477,6 +477,7 @@ static const char *testmenu[] = {
 	"[sy2] Lock test             (1)     ",
 	"[sy3] CV test               (1)     ",
 	"[sy4] CV test #2            (1)     ",
+	"[sy5] RW lock test          (1)     ",
 	"[semu1-22] Semaphore unit tests     ",
 	"[fs1] Filesystem test               ",
 	"[fs2] FS read stress                ",
@@ -579,6 +580,7 @@ static struct {
 	{ "sy2",	locktest },
 	{ "sy3",	cvtest },
 	{ "sy4",	cvtest2 },
+	{ "sy5",	rwtest },
 
 	/* semaphore unit tests */
 	{ "semu1",	semu1 },
diff --git a/kern/test/synchtest.c b/kern/test/synchtest.c
index b2c72d6..b0889aa 100644
--- a/kern/test/synchtest.c
+++ b/kern/test/synchtest.c
@@ -487,3 +487,18 @@ cvtest2(int nargs, char **args)
 
 	return 0;
 }
+
+/*
+ * Complete this for ASST1.
+ */
+
+int rwtest(int nargs, char **args) {
+	
+	(void) nargs;
+	(void) args;
+	
+	tkprintf("rwtest unimplemented\n");
+	success(FAIL, "rwtest");
+
+	return 0;
+}