From 441b4b15a884638ab8d4362ce8b42e1e9db80216 Mon Sep 17 00:00:00 2001
From: xgopilot <noreply@goplus.org>
Date: Tue, 14 Oct 2025 07:11:17 +0000
Subject: [PATCH] test: add hash/maphash demo test case

Add test case in _demo/go/maphash to verify hash/maphash functionality
with the new runtime.rand and runtime.memhash support.

Generated with [codeagent](https://github.com/qbox/codeagent)
Co-authored-by: luoliwoshang <luoliwoshang@users.noreply.github.com>
Co-authored-by: xgopilot <noreply@goplus.org>
---
 _demo/go/maphash/maphash.go | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 _demo/go/maphash/maphash.go

diff --git a/_demo/go/maphash/maphash.go b/_demo/go/maphash/maphash.go
new file mode 100644
index 00000000..44524b04
--- /dev/null
+++ b/_demo/go/maphash/maphash.go
@@ -0,0 +1,26 @@
+package main
+
+import (
+	"fmt"
+	"hash/maphash"
+)
+
+func main() {
+	var h maphash.Hash
+	h.WriteString("hello")
+	fmt.Printf("0x%x\n", h.Sum64())
+
+	h.Reset()
+	h.WriteString("world")
+	fmt.Printf("0x%x\n", h.Sum64())
+
+	h.Reset()
+	h.WriteString("test")
+	v1 := h.Sum64()
+
+	h.Reset()
+	h.WriteString("test")
+	v2 := h.Sum64()
+
+	fmt.Printf("0x%x == 0x%x\n", v1, v2)
+}