diff --git a/testapp/CryptoTester.h b/testapp/CryptoTester.h
index cac08e4..6ec4857 100644
--- a/testapp/CryptoTester.h
+++ b/testapp/CryptoTester.h
@@ -5,6 +5,7 @@
 + (void)runAllTests;
 
 + (void) testCommonHmac;
++ (void) testRand;
 + (void) testCommonDigest;
 + (void) testCommonCryptor;
 + (void) testCommonKeyDerivation;
diff --git a/testapp/CryptoTester.m b/testapp/CryptoTester.m
index 572736e..0d2fdea 100644
--- a/testapp/CryptoTester.m
+++ b/testapp/CryptoTester.m
@@ -16,6 +16,7 @@ @implementation CryptoTester
 + (void)runAllTests {
 
     [self testCommonHmac];
+    [self testRand];
     [self testCommonDigest];
     [self testCommonCryptor];
     [self testCommonKeyDerivation];
@@ -34,6 +35,12 @@ + (void) testCommonHmac {
 }
 
 
++ (void) testRand {
+    rand();
+    random();
+}
+
+
 + (void) testCommonDigest {
     CC_MD5_CTX ctx;
     unsigned char dataOut[CC_MD5_DIGEST_LENGTH];