From b052aa1d88f18706bd80c2dc022121d300362f70 Mon Sep 17 00:00:00 2001
From: Matias Fontanini <matias.fontanini@gmail.com>
Date: Wed, 29 May 2013 11:14:36 -0300
Subject: [PATCH] Added HWAddress<>::is_broadcast.

---
 include/hw_address.h    | 7 +++++++
 tests/src/hwaddress.cpp | 7 +++++++
 2 files changed, 14 insertions(+)

diff --git a/include/hw_address.h b/include/hw_address.h
index 353c07e..cd99054 100644
--- a/include/hw_address.h
+++ b/include/hw_address.h
@@ -227,6 +227,13 @@ public:
         return address_size;
     }
     
+    /**
+     * \brief Indicates whether this is a broadcast address
+     */
+    bool is_broadcast() const {
+        return *std::min_element(begin(), end()) == 0xff;
+    }
+    
     /**
      * \brief Convert this address to a hex-notation std::string address.
      * 
diff --git a/tests/src/hwaddress.cpp b/tests/src/hwaddress.cpp
index 6166011..5b7b112 100644
--- a/tests/src/hwaddress.cpp
+++ b/tests/src/hwaddress.cpp
@@ -54,6 +54,13 @@ TEST_F(HWAddressTest, CopyConstructor) {
     EXPECT_EQ(addr1, addr2);
 }
 
+TEST_F(HWAddressTest, IsBroadcast) {
+    EXPECT_FALSE(HWAddress<6>("ff:ff:ff:ff:ff:fe").is_broadcast());
+    EXPECT_FALSE(HWAddress<6>("00:01:02:03:04:05").is_broadcast());
+    EXPECT_TRUE(HWAddress<6>("ff:ff:ff:ff:ff:ff").is_broadcast());
+}
+
+
 TEST_F(HWAddressTest, CopyAssignmentOperator) {
     HWAddress<6> addr1(byte_address), addr2;
     addr2 = addr1;