--- a/spec/net_websocket_frames_spec.lua	Thu Nov 05 22:27:17 2020 +0100
+++ b/spec/net_websocket_frames_spec.lua	Thu Nov 05 22:31:25 2020 +0100
@@ -52,6 +52,26 @@
 			["RSV2"] = false;
 			["RSV3"] = false;
 		};
+		ping = {
+			["opcode"] = 0x9;
+			["length"] = 4;
+			["data"] = "ping";
+			["FIN"] = true;
+			["MASK"] = false;
+			["RSV1"] = false;
+			["RSV2"] = false;
+			["RSV3"] = false;
+		};
+		pong = {
+			["opcode"] = 0xa;
+			["length"] = 4;
+			["data"] = "pong";
+			["FIN"] = true;
+			["MASK"] = false;
+			["RSV1"] = false;
+			["RSV2"] = false;
+			["RSV3"] = false;
+		};
 	}
 
 	describe("build", function ()
@@ -62,6 +82,8 @@
 			assert.equal("\128\0", build(test_frames.simple_fin));
 			assert.equal("\128\133 \0 \0HeLlO", build(test_frames.with_mask))
 			assert.equal("\128\128 \0 \0", build(test_frames.empty_with_mask))
+			assert.equal("\137\4ping", build(test_frames.ping));
+			assert.equal("\138\4pong", build(test_frames.pong));
 		end);
 	end);
 
@@ -72,6 +94,8 @@
 			assert.same(test_frames.simple_data, parse("\0\5hello"));
 			assert.same(test_frames.simple_fin, parse("\128\0"));
 			assert.same(test_frames.with_mask, parse("\128\133 \0 \0HeLlO"));
+			assert.same(test_frames.ping, parse("\137\4ping"));
+			assert.same(test_frames.pong, parse("\138\4pong"));
 		end);
 	end);