Add inspect message regression test

Co-authored-by: Valorith <76063792+Valorith@users.noreply.github.com>

tests/CMakeLists.txt

@@ -13,6 +13,7 @@ SET(tests_headers
 	fixed_memory_variable_test.h
 	hextoi_32_64_test.h
 	ipc_mutex_test.h
+	inspect_message_test.h
 	memory_mapped_file_test.h
 	string_util_test.h
 	skills_util_test.h

tests/inspect_message_test.h

@@ -0,0 +1,52 @@
+/*	EQEMu: Everquest Server Emulator
+	Copyright (C) 2001-2013 EQEMu Development Team (http://eqemulator.net)
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; version 2 of the License.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY except by those people which sell it, which
+	are required to give you total support for your newly bought product;
+	without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+	A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the Free Software
+	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#ifndef __EQEMU_TESTS_INSPECT_MESSAGE_TEST_H
+#define __EQEMU_TESTS_INSPECT_MESSAGE_TEST_H
+
+#include <cstring>
+#include <string>
+#include "cppunit/cpptest.h"
+#include "../common/eq_packet_structs.h"
+#include "../common/strings.h"
+
+class InspectMessageTest : public Test::Suite {
+	typedef void(InspectMessageTest::*TestFunction)(void);
+public:
+	InspectMessageTest() {
+		TEST_ADD(InspectMessageTest::CopyEnsuresNullTermination);
+	}
+
+	~InspectMessageTest() {
+	}
+
+private:
+	void CopyEnsuresNullTermination() {
+		InspectMessage_Struct incoming{};
+		InspectMessage_Struct stored{};
+
+		std::string long_text(300, 'A');
+		strn0cpy(incoming.text, long_text.c_str(), sizeof(incoming.text));
+		strn0cpy(stored.text, incoming.text, sizeof(stored.text));
+
+		TEST_ASSERT_EQUALS(stored.text[sizeof(stored.text) - 1], '\0');
+		TEST_ASSERT_EQUALS(std::strlen(stored.text), sizeof(stored.text) - 1);
+	}
+};
+
+#endif

tests/main.cpp

@@ -28,6 +28,7 @@
 #include "fixed_memory_variable_test.h"
 #include "atobool_test.h"
 #include "hextoi_32_64_test.h"
+#include "inspect_message_test.h"
 #include "string_util_test.h"
 #include "data_verification_test.h"
 #include "skills_util_test.h"
@@ -52,6 +53,7 @@ int main()
 		tests.add(new FixedMemoryVariableHashTest());
 		tests.add(new atoboolTest());
 		tests.add(new hextoi_32_64_Test());
+		tests.add(new InspectMessageTest());
 		tests.add(new StringUtilTest());
 		tests.add(new DataVerificationTest());
 		tests.add(new SkillsUtilsTest());