1 files changed, 68 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_multipart_streamconv_empty.js b/netwerk/test/unit/test_multipart_streamconv_empty.js
new file mode 100644
index 0000000000..68bc5e6be8
--- /dev/null
+++ b/netwerk/test/unit/test_multipart_streamconv_empty.js
@@ -0,0 +1,68 @@
+"use strict";
+
+function make_channel(url) {
+  return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
+}
+
+add_task(async function test_empty() {
+  let uri = "http://localhost";
+  let httpChan = make_channel(uri);
+
+  let channel = Cc["@mozilla.org/network/input-stream-channel;1"]
+    .createInstance(Ci.nsIInputStreamChannel)
+    .QueryInterface(Ci.nsIChannel);
+
+  channel.setURI(httpChan.URI);
+  channel.loadInfo = httpChan.loadInfo;
+
+  let inputStream = Cc["@mozilla.org/io/string-input-stream;1"].createInstance(
+    Ci.nsIStringInputStream
+  );
+  inputStream.setUTF8Data(""); // Pass an empty string
+
+  channel.contentStream = inputStream;
+
+  let [status, buffer] = await new Promise(resolve => {
+    let streamConv = Cc["@mozilla.org/streamConverters;1"].getService(
+      Ci.nsIStreamConverterService
+    );
+    let multipartListener = {
+      _buffer: "",
+
+      QueryInterface: ChromeUtils.generateQI([
+        "nsIStreamListener",
+        "nsIRequestObserver",
+      ]),
+
+      onStartRequest(request) {},
+      onDataAvailable(request, stream, offset, count) {
+        try {
+          this._buffer = this._buffer.concat(read_stream(stream, count));
+          dump("BUFFEEE: " + this._buffer + "\n\n");
+        } catch (ex) {
+          do_throw("Error in onDataAvailable: " + ex);
+        }
+      },
+
+      onStopRequest(request, status) {
+        resolve([status, this._buffer]);
+      },
+    };
+    let conv = streamConv.asyncConvertData(
+      "multipart/mixed",
+      "*/*",
+      multipartListener,
+      null
+    );
+
+    let chan = make_channel(uri);
+    chan.asyncOpen(conv);
+  });
+
+  Assert.notEqual(
+    status,
+    Cr.NS_OK,
+    "Should be an error code because content has no boundary"
+  );
+  Assert.equal(buffer, "", "Should have received no content");
+});