From 4b283db0f13ff2cc8f311a62eb19d36a414d54b0 Mon Sep 17 00:00:00 2001
From: Blallo <blallo@autistici.org>
Date: Mon, 18 Jan 2021 21:14:19 +0100
Subject: [PATCH] Add test on MailFile parsing failure

---
 fs/maildir_test.go | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/fs/maildir_test.go b/fs/maildir_test.go
index e8388a2..0e3e0f0 100644
--- a/fs/maildir_test.go
+++ b/fs/maildir_test.go
@@ -2,6 +2,7 @@ package fs
 
 import (
 	"fmt"
+	"strconv"
 	"testing"
 	"time"
 
@@ -75,3 +76,22 @@ func TestNewMailFile(t *testing.T) {
 		t.Errorf("MailFile mismatch: %s", cmp.Diff(expect, mf, cmp.AllowUnexported(MailFile{})))
 	}
 }
+
+func TestNewMailFileErrs(t *testing.T) {
+	var err error
+
+	// The name has the wrong shape
+	_, err = NewMailFile("pippo")
+	if err != ErrMalformedName {
+		t.Error("Function should have errored")
+	}
+
+	// The shape is correct, but one of the integer field is instead a string
+	_, err = NewMailFile("aaaa_123.456.myplace,U=1312,FMD5=f2cf513ad46d4d9b9684103e468803a0:2,")
+	switch err.(type) {
+	case *strconv.NumError:
+		// Happy path
+	default:
+		t.Error("Unexpected error")
+	}
+}