Add test for UnbiasedModulo32

kylecarbs · kylecarbs · commit 6034da040b15 · 2022-01-23T20:01:27.000Z
diff --git a/cryptorand/numbers_test.go b/cryptorand/numbers_test.go
@@ -47,6 +47,10 @@ func TestUnbiasedModulo32(t *testing.T) {
 	const mod = 7
 	dist := [mod]uint32{}
 
+	v, err := cryptorand.UnbiasedModulo32(0, mod)
+	require.NoError(t, err)
+	require.Equal(t, 1, v)
+
 	for i := 0; i < 1000; i++ {
 		b := [4]byte{}
 		_, _ = rand.Read(b[:])
