From 033ca7d47f43284a1aa3754259a6ec0561b02840 Mon Sep 17 00:00:00 2001
From: Yuli Khodorkovskiy <yuli@crunchydata.com>
Date: Tue, 6 Jul 2021 21:35:21 -0400
Subject: [PATCH] Fix unexpected EOF failure for StartupMessage

---
 backend_test.go | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/backend_test.go b/backend_test.go
index 5e9a2ac5..708f1280 100644
--- a/backend_test.go
+++ b/backend_test.go
@@ -50,8 +50,12 @@ func TestBackendReceiveUnexpectedEOF(t *testing.T) {
 	assert.Nil(t, msg)
 	assert.Equal(t, io.ErrUnexpectedEOF, err)
 
-	// Receive FE msg
-	server.push([]byte{'F', 0, 0, 0, 6})
+	// Receive StartupMessage msg
+	dst := []byte{}
+	dst = pgio.AppendUint32(dst, 1000) // tell the backend we expect 1000 bytes to be read
+	dst = pgio.AppendUint32(dst, 1)    // only send 1 byte
+	server.push(dst)
+
 	msg, err = backend.ReceiveStartupMessage()
 	assert.Nil(t, msg)
 	assert.Equal(t, io.ErrUnexpectedEOF, err)