From 4b3726e99bec62e4a8b8e9cecc478b51ce0d4636 Mon Sep 17 00:00:00 2001
From: cuiweixie <cuiweixie@gmail.com>
Date: Wed, 25 Jan 2023 11:22:29 +0800
Subject: encoding/binary: add var NativeEndian

Updates #57237

Change-Id: I149c8b7eeac91b87b5810250f96d48ca87135807
Reviewed-on: https://go-review.googlesource.com/c/go/+/463218
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Run-TryBot: xie cui <523516579@qq.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
---
 src/encoding/binary/binary_test.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/encoding/binary/binary_test.go')

diff --git a/src/encoding/binary/binary_test.go b/src/encoding/binary/binary_test.go
index 09d08f5ee3..341cd86766 100644
--- a/src/encoding/binary/binary_test.go
+++ b/src/encoding/binary/binary_test.go
@@ -13,6 +13,7 @@ import (
 	"strings"
 	"sync"
 	"testing"
+	"unsafe"
 )
 
 type Struct struct {
@@ -831,3 +832,12 @@ func BenchmarkWriteSlice1000Uint8s(b *testing.B) {
 		Write(w, BigEndian, slice)
 	}
 }
+
+func TestNativeEndian(t *testing.T) {
+	const val = 0x12345678
+	i := uint32(val)
+	s := unsafe.Slice((*byte)(unsafe.Pointer(&i)), unsafe.Sizeof(i))
+	if v := NativeEndian.Uint32(s); v != val {
+		t.Errorf("NativeEndian.Uint32 returned %#x, expected %#x", v, val)
+	}
+}
-- 
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