Add test cases for get_tool_name()

mods/HUD/mcl_death_messages/init.lua

@@ -11,6 +11,98 @@ local function get_tool_name(item)
 	return sanitized_name
   end
 
+local test_tool_1a = {
+	get_meta = function()
+		return {
+			get_string = function()
+				return "foo 1a"
+			end
+		}
+	end
+}
+
+assert( get_tool_name(test_tool_1a) == "foo 1a" )
+
+local test_tool_1b = {
+	get_meta = function()
+		return {
+			get_string = function()
+				return "bar\rbaz\n1b"
+			end
+		}
+	end
+}
+
+assert( get_tool_name(test_tool_1b) == "bar baz 1b" )
+
+local test_tool_2a = {
+	get_definition = function()
+		return {
+			_tt_original_description = "foo 2a"
+		}
+	end,
+	get_meta = function()
+		return {
+			get_string = function()
+				return ""
+			end
+		}
+	end
+}
+
+assert( get_tool_name(test_tool_2a) == "foo 2a" )
+
+local test_tool_2b = {
+	get_definition = function()
+		return {
+			_tt_original_description = "bar\rbaz\n2b"
+		}
+	end,
+	get_meta = function()
+		return {
+			get_string = function()
+				return ""
+			end
+		}
+	end
+}
+
+assert( get_tool_name(test_tool_2b) == "bar baz 2b" )
+
+local test_tool_3a = {
+	get_definition = function()
+		return {
+			description = "foo 3a"
+		}
+	end,
+	get_meta = function()
+		return {
+			get_string = function()
+				return ""
+			end
+		}
+	end
+}
+
+assert( get_tool_name(test_tool_3a) == "foo 3a" )
+
+local test_tool_3b = {
+	get_definition = function()
+		return {
+			description = "bar\rbaz\n3b"
+		}
+	end,
+	get_meta = function()
+		return {
+			get_string = function()
+				return ""
+			end
+		}
+	end
+}
+
+assert( get_tool_name(test_tool_3b) == "bar baz 3b" )
+
 mcl_death_messages = {}
 
 -- Death messages