diff --git a/generate/generate_test.go b/generate/generate_test.go
index 5b5a49d..e8bdbc6 100644
--- a/generate/generate_test.go
+++ b/generate/generate_test.go
@@ -71,8 +71,8 @@ func init() {
 	}
 }
 
-func TestGenerateRun(test *testing.T) {
-	testGenerateRun(test, &exampleProtocol, `
+func TestGenerateRunEncode(test *testing.T) {
+	testGenerateRun(test, &exampleProtocol, "encode", `
 		// imports
 	`, `
 		// test case
@@ -199,3 +199,131 @@ func TestGenerateRun(test *testing.T) {
 				))
 	`)
 }
+
+func TestGenerateRunDecode(test *testing.T) {
+	testGenerateRun(test, &exampleProtocol, "decode", `
+		// imports
+	`, `
+		log.Println("MessageConnect")
+		messageConnect := MessageConnect {
+			Name: "rarity",
+			Password: "gems",
+		}
+		testDecode(
+			&messageConnect,
+			tu.S(0xE1, 0x02).AddVar(
+				[]byte { 0x00, 0x00, 0x86, 'r', 'a', 'r', 'i', 't', 'y' },
+				[]byte { 0x00, 0x01, 0x84, 'g', 'e', 'm', 's' },
+				))
+		log.Println("MessageUserList")
+		messageUserList := MessageUserList {
+			Users: []User {
+				User {
+					Name: "rarity",
+					Bio: "asdjads",
+					Followers: 0x324,
+				},
+				User {
+					Name: "deez nuts",
+					Bio: "logy",
+					Followers: 0x8000,
+				},
+				User {
+					Name: "creekflow",
+					Bio: "im creekflow",
+					Followers: 0x3894,
+				},
+			},
+		}
+		testEncode(
+			&messageUserList,
+			tu.S(0xE1, 0x01, 0x00, 0x00,
+				0xC1, 0x03, 0xE1,
+					).Add(0x03).AddVar(
+						[]byte { 0x00, 0x00, 0x86, 'r', 'a', 'r', 'i', 't', 'y' },
+						[]byte { 0x00, 0x01, 0x87, 'a', 's', 'd', 'j', 'a', 'd', 's' },
+						[]byte { 0x00, 0x02, 0x23, 0x00, 0x00, 0x03, 0x24 },
+					).Add(0x03).AddVar(
+						[]byte { 0x00, 0x00, 0x89, 'd', 'e', 'e', 'z', ' ', 'n', 'u', 't', 's' },
+						[]byte { 0x00, 0x01, 0x84, 'l', 'o', 'g', 'y' },
+						[]byte { 0x00, 0x02, 0x23, 0x00, 0x00, 0x80, 0x00 },
+					).Add(0x03).AddVar(
+						[]byte { 0x00, 0x00, 0x89, 'c', 'r', 'e', 'e', 'k', 'f', 'l', 'o', 'w' },
+						[]byte { 0x00, 0x01, 0x8C, 'i', 'm', ' ', 'c', 'r', 'e', 'e', 'k', 'f',
+							'l', 'o', 'w' },
+						[]byte { 0x00, 0x02, 0x23, 0x00, 0x00, 0x38, 0x94 },
+				))
+		log.Println("MessagePulse")
+		messagePulse := MessagePulse {
+			Index: 9,
+			Offset: -0x3521,
+			X: 45.389,
+			Y: 294.1,
+			Z: 384729384.234892034,
+		}
+		testEncode(
+			&messagePulse,
+			tu.S(0xE1, 0x05).AddVar(
+				[]byte { 0x00, 0x00, 0x09 },
+				[]byte { 0x00, 0x01, 0x41, 0xCA, 0xDF },
+				[]byte { 0x00, 0x02, 0x61, 0x51, 0xAC },
+				[]byte { 0x00, 0x03, 0x63, 0x43, 0x93, 0x0C, 0xCD },
+				[]byte { 0x00, 0x04, 0x67, 0x41, 0xB6, 0xEE, 0x81, 0x28, 0x3C, 0x21, 0xE2 },
+				))
+		log.Println("MessageNestedArray")
+		uint8s := func(n int) []uint8 {
+			array := make([]uint8, n)
+			for index := range array {
+				array[index] = uint8(index + 1) | 0xF0
+			}
+			return array
+		}
+		messageNestedArray := MessageNestedArray {
+			uint8s(6),
+			uint8s(35),
+		}
+		testEncode(
+			&messageNestedArray,
+			tu.S(0xC1, 0x02, 0xC1,
+				0x06, 0x20, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6,
+				35,   0x20, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6,
+				            0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC,
+				            0xFD, 0xFE, 0xFF, 0xF0, 0xF1, 0xF2,
+				            0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8,
+				            0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE,
+				            0xFF, 0xF0, 0xF1, 0xF2, 0xF3))
+		log.Println("MessageIntegers")
+		messageIntegers := MessageIntegers {
+			U5:   0x13,
+			U8:   0xC9,
+			U16:  0x34C9,
+			U32:  0x10E134C9,
+			U64:  0x639109BC10E134C9,
+			I8:   0x35,
+			I16:  0x34C9,
+			I32:  0x10E134C9,
+			I64:  0x639109BC10E134C9,
+			NI8:  -0x35,
+			NI16: -0x34C9,
+			NI32: -0x10E134C9,
+			NI64: -0x639109BC10E134C9,
+		}
+		testEncode(
+			&messageIntegers,
+			tu.S(0xE1, 13).AddVar(
+				[]byte { 0x00, 0x00, 0x13 },
+				[]byte { 0x00, 0x01, 0x20, 0xC9 },
+				[]byte { 0x00, 0x02, 0x21, 0x34, 0xC9 },
+				[]byte { 0x00, 0x03, 0x23, 0x10, 0xE1, 0x34, 0xC9 },
+				[]byte { 0x00, 0x04, 0x27, 0x63, 0x91, 0x09, 0xBC, 0x10, 0xE1, 0x34, 0xC9 },
+				[]byte { 0x00, 0x06, 0x40, 0x35 },
+				[]byte { 0x00, 0x07, 0x41, 0x34, 0xC9 },
+				[]byte { 0x00, 0x08, 0x43, 0x10, 0xE1, 0x34, 0xC9 },
+				[]byte { 0x00, 0x09, 0x47, 0x63, 0x91, 0x09, 0xBC, 0x10, 0xE1, 0x34, 0xC9 },
+				[]byte { 0x00, 0x0B, 0x40, 0xCB },
+				[]byte { 0x00, 0x0C, 0x41, 0xCB, 0x37 },
+				[]byte { 0x00, 0x0D, 0x43, 0xEF, 0x1E, 0xCB, 0x37 },
+				[]byte { 0x00, 0x0E, 0x47, 0x9C, 0x6E, 0xF6, 0x43, 0xEF, 0x1E, 0xCB, 0x37 },
+				))
+	`)
+}