diff --git a/vlib/crypto/rand/crypto_rand_read_test.v b/vlib/crypto/rand/crypto_rand_read_test.v
new file mode 100644
index 0000000000..03183c7f16
--- /dev/null
+++ b/vlib/crypto/rand/crypto_rand_read_test.v
@@ -0,0 +1,15 @@
+import crypto.rand
+
+fn test_reading() ? {
+	a := rand.read(32) ?
+	dump(a.hex())
+	assert a.len == 32
+	mut histogram := [256]int{}
+	for b in a {
+		histogram[b]++
+	}
+	dump(histogram)
+	for h in histogram {
+		assert h < 10
+	}
+}