From 834f8a1dc8b609199f84dcd59a885e77d8f770ba Mon Sep 17 00:00:00 2001
From: Taylor Gerring <taylor.gerring@gmail.com>
Date: Wed, 5 Nov 2014 17:48:23 +0100
Subject: [PATCH] added test for CopyBytes

---
 ethutil/bytes_test.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/ethutil/bytes_test.go b/ethutil/bytes_test.go
index 2a106d5856..361df4b9d9 100644
--- a/ethutil/bytes_test.go
+++ b/ethutil/bytes_test.go
@@ -134,3 +134,12 @@ func TestBinaryLength(t *testing.T) {
 		t.Errorf("Expected %d got %d", exp2, res2)
 	}
 }
+
+func TestCopyBytes(t *testing.T) {
+	data1 := []byte{1, 2, 3, 4}
+	exp1 := []byte{1, 2, 3, 4}
+	res1 := CopyBytes(data1)
+	if bytes.Compare(res1, exp1) != 0 {
+		t.Errorf("Expected % x got % x", exp1, res1)
+	}
+}