commit 91a5aac3d03883be7d652096b1c018298096edcd
author Paul Stewart <pstew@chromium.org> Fri Jul 20 11:55:40 2012 -0700
committer Gerrit <chrome-bot@google.com> Tue Jul 24 15:55:34 2012 -0700
tree 46377721f43b34faa8509580aceb2c3cbc87c496
parent 5c929e250fa0295f3ac8ec6167dd35642c8a1635

shill: LinkMonitor: Add ArpPacket code

Add ArpPacket class to parse and compose ARP packets.

BUG=chromium-os:32600
TEST=New unit tests

Change-Id: Icac65cc16e059f07109fc695ba9046cafa0b042c
Reviewed-on: https://gerrit.chromium.org/gerrit/28096
Commit-Ready: Paul Stewart <pstew@chromium.org>
Reviewed-by: Paul Stewart <pstew@chromium.org>
Tested-by: Paul Stewart <pstew@chromium.org>

byte_string_unittest.cc

diff --git a/byte_string_unittest.cc b/byte_string_unittest.cc
index c4692ed..7aeed8b 100644
--- a/byte_string_unittest.cc
+++ b/byte_string_unittest.cc
@@ -81,6 +81,16 @@
   EXPECT_TRUE(bs6.Equals(bs1));
 }
 
+TEST_F(ByteStringTest, SubString) {
+  ByteString bs1(kTest1, sizeof(kTest1));
+  ByteString bs2(kTest1 + 3, 4);
+  EXPECT_TRUE(bs2.Equals(bs1.GetSubstring(3, 4)));
+  const int kMargin = sizeof(kTest1) - 3;
+  ByteString bs3(kTest1 + kMargin, sizeof(kTest1) - kMargin);
+  EXPECT_TRUE(bs3.Equals(bs1.GetSubstring(kMargin, sizeof(kTest1))));
+  EXPECT_TRUE(bs1.GetSubstring(sizeof(kTest1), 10).IsEmpty());
+}
+
 TEST_F(ByteStringTest, UInt32) {
   ByteString bs1 = ByteString::CreateFromNetUInt32(kTest2Uint32);
   uint32 val;