pref: 新增测试用例，验证NanoID的随机安全性

ccpwcn · Dec 26, 2024 · bc28ae9 · bc28ae9
1 parent 893bfeb
commit bc28ae9
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/nanoid_test.go b/nanoid_test.go
@@ -21,6 +21,19 @@ func TestNormalNanoID(t *testing.T) {
 	}
 }
 
+func TestMustNanoID_CountLetter(t *testing.T) {
+	var m = make(map[byte]int)
+	for i := 0; i < 1000_0000; i++ {
+		id := MustNanoId()
+		for j := 0; j < len(id); j++ {
+			m[id[j]]++
+		}
+	}
+	for k, v := range m {
+		t.Logf("%q: %d\n", k, v)
+	}
+}
+
 func TestNormalNanoID_CheckDuplicate(t *testing.T) {
 	const count = 100_0000
 	ids := make(map[string]bool, count)