From 3a43cd79037a43b7d5770a73a3bb70748a1cfea3 Mon Sep 17 00:00:00 2001
From: Ingo Oppermann <ingo@datarhei.com>
Date: Tue, 19 Mar 2024 11:32:20 +0100
Subject: [PATCH] Add tests

---
 internal/rand/rand_test.go | 55 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 internal/rand/rand_test.go

diff --git a/internal/rand/rand_test.go b/internal/rand/rand_test.go
new file mode 100644
index 0000000..d76d939
--- /dev/null
+++ b/internal/rand/rand_test.go
@@ -0,0 +1,55 @@
+package rand
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestRandomString(t *testing.T) {
+	s1, err := RandomString(42, AlphaNumericCharset)
+	require.NoError(t, err)
+
+	s2, err := RandomString(42, AlphaNumericCharset)
+	require.NoError(t, err)
+
+	require.NotEqual(t, s1, s2)
+}
+
+func TestUint32(t *testing.T) {
+	u1, err := Uint32()
+	require.NoError(t, err)
+
+	u2, err := Uint32()
+	require.NoError(t, err)
+
+	require.NotEqual(t, u1, u2)
+}
+
+func TestInt63(t *testing.T) {
+	u1, err := Int63()
+	require.NoError(t, err)
+
+	u2, err := Int63()
+	require.NoError(t, err)
+
+	require.NotEqual(t, u1, u2)
+}
+
+func TestInt63n(t *testing.T) {
+	u1, err := Int63n(42)
+	require.NoError(t, err)
+
+	u2, err := Int63n(42)
+	require.NoError(t, err)
+
+	require.NotEqual(t, u1, u2)
+
+	u3, err := Int63n(64)
+	require.NoError(t, err)
+
+	u4, err := Int63n(64)
+	require.NoError(t, err)
+
+	require.NotEqual(t, u3, u4)
+}