Avoid textproto crashing on empty reader (denoland/deno_std#50)

Original: https://github.com/denoland/deno_std/commit/9eb6aa5fd9da9da9cd2b96a5199cf9b9128fd456

1 files changed, 7 insertions, 0 deletions

diff --git a/net/textproto_test.ts b/net/textproto_test.ts
index ad7e6a2c4..3af21247a 100644
--- a/net/textproto_test.ts
+++ b/net/textproto_test.ts
@@ -93,3 +93,10 @@ test(async function textprotoAppend() {
   const joined = append(u1, u2);
   assertEqual(dec.decode(joined), "Hello World");
 });
+
+test(async function textprotoReadEmpty() {
+  let r = reader("");
+  let [m, err] = await r.readMIMEHeader();
+  // Should not crash!
+  assertEqual(err, "EOF");
+});