1 files changed, 46 insertions, 0 deletions
diff --git a/src/lib/util/unittests/wiredata.cc b/src/lib/util/unittests/wiredata.cc
new file mode 100644
index 0000000..c14c8f1
--- /dev/null
+++ b/src/lib/util/unittests/wiredata.cc
@@ -0,0 +1,46 @@
+// Copyright (C) 2012-2015 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include <config.h>
+
+#include <util/unittests/wiredata.h>
+
+#include <gtest/gtest.h>
+
+#include <algorithm>            // for std::min
+#include <stdint.h>
+
+using namespace std;
+
+namespace isc {
+namespace util {
+namespace unittests {
+
+void
+matchWireData(const void* expected_data, size_t expected_len,
+              const void* actual_data, size_t actual_len)
+{
+    const size_t cmplen = std::min(expected_len, actual_len);
+
+    for (size_t i = 0; i < cmplen; ++i) {
+        const int ebyte = static_cast<const uint8_t*>(expected_data)[i];
+        const int abyte = static_cast<const uint8_t*>(actual_data)[i];
+        // Once we find a mismatch, it's quite likely that there will be many
+        // mismatches after this point.  So we stop here by using ASSERT not
+        // to be too noisy.
+        ASSERT_EQ(ebyte, abyte) << "Wire data mismatch at " << i << "th byte\n"
+                                << "  Actual: " << abyte << "\n"
+                                << "Expected: " << ebyte << "\n";
+    }
+    EXPECT_EQ(expected_len, actual_len)
+        << "Wire data mismatch in length:\n"
+        << "  Actual: " << actual_len << "\n"
+        << "Expected: " << expected_len << "\n";
+}
+
+} // unittests
+} // util
+} // isc