commit 6350d27908b0b1a459b7208b9fae7b274384efe4
from: Stephen J Day <stephen.day@docker.com>
date: Tue Nov 03 04:46:35 2015 UTC

fs/p9p/new: correct message encoding for Rerror message

Signed-off-by: Stephen J Day <stephen.day@docker.com>

commit - 40d4a02d02470ddbfcb31818213c5daea4d1f545
commit + 6350d27908b0b1a459b7208b9fae7b274384efe4
blob - e15f26b1b7a1c68a00ef24c5740fd35cde89a245
blob + 1e3302a3d55f8a6c5b2a695cbcdaac3e5db3b1ad
--- encoding_test.go
+++ encoding_test.go
@@ -160,9 +160,10 @@ func TestEncodeDecode(t *testing.T) {
 			description: "Rerror fcall",
 			target:      newErrorFcall(5556, errors.New("A serious error")),
 			marshaled: []byte{
-				0x75, 0xb4, 0x15,
-				0x12, 0x0, 0x0, 0x0,
-				0x61, 0x20, 0x6c, 0x6f, 0x74, 0x20, 0x6f, 0x66, 0x20, 0x62, 0x79, 0x74, 0x65, 0x20, 0x64, 0x61, 0x74, 0x61},
+				0x6b,       // Rerror
+				0xb4, 0x15, // Tag
+				0xf, 0x0, // String size.
+				0x41, 0x20, 0x73, 0x65, 0x72, 0x69, 0x6f, 0x75, 0x73, 0x20, 0x65, 0x72, 0x72, 0x6f, 0x72},
 		},
 	} {
 		t.Logf("target under test: %v", testcase.target)
@@ -208,7 +209,9 @@ func TestEncodeDecode(t *testing.T) {
 		}
 
 		if !reflect.DeepEqual(v, testcase.target) {
-			fatalf("not equal: %v != %v", v, testcase.target)
+			fatalf("not equal: %v != %v (\n%#v\n%#v\n)",
+				v, testcase.target,
+				v, testcase.target)
 		}
 
 		t.Logf("%#v", v)