diff --git a/src/lib/hooks/tests/full_callout_library.cc b/src/lib/hooks/tests/full_callout_library.cc
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+// Copyright (C) 2013  Internet Systems Consortium, Inc. ("ISC")
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+/// @file
+/// @brief Full callout library
+///
+/// This is source of a test library for various test (LibraryManager and
+/// HooksManager).  The characteristics of the library produced from this
+/// file are:
+///
+/// The characteristics of this library are:
+///
+/// - All three framework functions are supplied (version(), load() and
+///   unload()), with unload() creating a marker file.  The test code checks
+///   for the presence of this file, so verifying that unload() has been run.
+///
+/// - One standard and two non-standard callouts are supplied, with the latter
+///   being registered by the load() function.
+///
+///   All callouts do trivial calculations, the result of all being called in
+///   sequence being
+///
+///   @f[ ((7 * data_1) - data_2) * data_3 @f]
+///
+///   ...where data_1, data_2 and data_3 are the values passed in arguments of
+///   the same name to the three callouts (data_1 passed to lm_one, data_2 to
+///   lm_two etc.) and the result is returned in the argument "result".
+
+#include <hooks/hooks.h>
+#include <hooks/tests/marker_file.h>
+
+#include <fstream>
+
+using namespace isc::hooks;
+
+extern "C" {
+
+// Callouts
+
+int
+context_create(CalloutHandle& handle) {
+    handle.setContext("result", static_cast<int>(7));
+    handle.setArgument("result", static_cast<int>(7));
+    return (0);
+}
+
+// First callout adds the passed "data_1" argument to the initialized context
+// value of 7. (Note that the value set by context_create is accessed through
+// context and not the argument, so checking that context is correctly passed
+// between callouts in the same library.)
+
+int
+lm_one(CalloutHandle& handle) {
+    int data;
+    handle.getArgument("data_1", data);
+
+    int result;
+    handle.getArgument("result", result);
+
+    result *= data;
+    handle.setArgument("result", result);
+
+    return (0);
+}
+
+// Second callout subtracts the passed value of data_2 from the current
+// running total.
+
+static int
+lm_nonstandard_two(CalloutHandle& handle) {
+    int data;
+    handle.getArgument("data_2", data);
+
+    int result;
+    handle.getArgument("result", result);
+
+    result -= data;
+    handle.setArgument("result", result);
+
+    return (0);
+}
+
+// Final callout multplies the current running total by data_3.
+
+static int
+lm_nonstandard_three(CalloutHandle& handle) {
+    int data;
+    handle.getArgument("data_3", data);
+
+    int result;
+    handle.getArgument("result", result);
+
+    result *= data;
+    handle.setArgument("result", result);
+
+    return (0);
+}
+
+// Framework functions
+
+int
+version() {
+    return (BIND10_HOOKS_VERSION);
+}
+
+int
+load(LibraryHandle& handle) {
+    // Register the non-standard functions
+    handle.registerCallout("lm_two", lm_nonstandard_two);
+    handle.registerCallout("lm_three", lm_nonstandard_three);
+
+    return (0);
+}
+
+int
+unload() {
+    // Create the marker file.
+    std::fstream marker;
+    marker.open(MARKER_FILE, std::fstream::out);
+    marker.close();
+
+    return (0);
+}
+
+};
+