Initial MQTT packet structure. issue 73

test/zutil/net/mqtt/packet/MqttPacketConnectTest.java

@@ -0,0 +1,65 @@
+package zutil.net.mqtt.packet;
+
+import org.junit.Test;
+import zutil.converter.Converter;
+import zutil.net.mqtt.packet.MqttPacketConnect;
+import zutil.parser.binary.BinaryStructInputStream;
+import zutil.parser.binary.BinaryStructOutputStream;
+
+import java.io.IOException;
+
+import static org.junit.Assert.*;
+
+
+public class MqttPacketConnectTest {
+
+    char[] data = new char[]{
+            0b0000_0000, // length
+            0b0000_0100, // length
+            0b0100_1101, // 'M'
+            0b0101_0001, // 'Q'
+            0b0101_0100, // 'T'
+            0b0101_0100, // 'T'
+
+            0b0000_0100, // Prot. Level
+
+            0b1100_1110, // Flags
+
+            0b0000_0000, // Keep alive
+            0b0000_1010, // Keep alive
+    };
+
+
+    @Test
+    public void decode(){
+        MqttPacketConnect obj = new MqttPacketConnect();
+        BinaryStructInputStream.read(obj, Converter.toBytes(data));
+
+        assertEquals("MQTT", obj.protocolName);
+        assertEquals(4, obj.protocolLevel);
+        assertEquals(10, obj.keepAlive);
+
+        assertTrue(obj.flagUsername);
+        assertTrue(obj.flagPassword);
+        assertFalse(obj.flagWillRetain);
+        assertEquals(1, obj.flagWillQoS);
+        assertTrue(obj.flagWillFlag);
+        assertTrue(obj.flagCleanSession);
+    }
+
+    @Test
+    public void encode() throws IOException {
+        MqttPacketConnect obj = new MqttPacketConnect();
+        obj.keepAlive = 10;
+
+        obj.flagUsername = true;
+        obj.flagPassword = true;
+        obj.flagWillRetain = false;
+        obj.flagWillQoS = 1;
+        obj.flagWillFlag = true;
+        obj.flagCleanSession = true;
+
+        assertArrayEquals(Converter.toBytes(data),
+                BinaryStructOutputStream.serialize(obj));
+    }
+}