From 9278bdcb4355bf03b45eb992ff85e808f1ec0ed4 Mon Sep 17 00:00:00 2001
From: Sasha Koshka <sashakoshka@tebibyte.media>
Date: Wed, 20 Aug 2025 12:09:54 -0400
Subject: [PATCH] generate: Add decoder test function to testGenerateRun

---
 generate/misc_test.go | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/generate/misc_test.go b/generate/misc_test.go
index 7919fd6..463d13f 100644
--- a/generate/misc_test.go
+++ b/generate/misc_test.go
@@ -34,6 +34,7 @@ func testGenerateRun(test *testing.T, protocol *Protocol, imports string, testCa
 	imports = `
 		import "log"
 		import "bytes"
+		import "reflect"
 		import "git.tebibyte.media/sashakoshka/hopp/tape"
 		import tu "git.tebibyte.media/sashakoshka/hopp/internal/testutil"
 		` + imports
@@ -56,6 +57,20 @@ func testGenerateRun(test *testing.T, protocol *Protocol, imports string, testCa
 				log.Fatalln("not equal at", n)
 			}
 		}
+
+		func testDecode(data []byte, message Message, correct Message) {
+			decoder := tape.NewDecoder(bytes.NewBuffer(data))
+			n, err := message.Decode(decoder)
+			if err != nil { log.Fatalf("at %d: %v\n", n, err) }
+			log.Println("got:    ", message)
+			log.Println("correct:", correct)
+			if n != len(data) {
+				log.Fatalf("n incorrect: %d != %d\n", n, len(data))
+			}
+			if !reflect.DeepEqual(message, correct) {
+				log.Fatalln("not equal")
+			}
+		}
 		`
 	fmt.Fprintf(
 		mainFile, "package main\n%s\nfunc main() {\n%s\n%s\n%s\n}\n%s",