1 files changed, 66 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_throttling.js b/netwerk/test/unit/test_throttling.js
new file mode 100644
index 0000000000..7627684dce
--- /dev/null
+++ b/netwerk/test/unit/test_throttling.js
@@ -0,0 +1,66 @@
+// Test nsIThrottledInputChannel interface.
+"use strict";
+
+const { HttpServer } = ChromeUtils.importESModule(
+  "resource://testing-common/httpd.sys.mjs"
+);
+
+function test_handler(metadata, response) {
+  const originalBody = "the response";
+  response.setHeader("Content-Type", "text/html", false);
+  response.setStatusLine(metadata.httpVersion, 200, "OK");
+  response.bodyOutputStream.write(originalBody, originalBody.length);
+}
+
+function make_channel(url) {
+  return NetUtil.newChannel({
+    uri: url,
+    loadUsingSystemPrincipal: true,
+  }).QueryInterface(Ci.nsIHttpChannel);
+}
+
+function run_test() {
+  let httpserver = new HttpServer();
+  httpserver.registerPathHandler("/testdir", test_handler);
+  httpserver.start(-1);
+
+  const PORT = httpserver.identity.primaryPort;
+  const size = 4096;
+
+  let sstream = Cc["@mozilla.org/io/string-input-stream;1"].createInstance(
+    Ci.nsIStringInputStream
+  );
+  sstream.data = "x".repeat(size);
+
+  let mime = Cc["@mozilla.org/network/mime-input-stream;1"].createInstance(
+    Ci.nsIMIMEInputStream
+  );
+  mime.addHeader("Content-Type", "multipart/form-data; boundary=zzzzz");
+  mime.setData(sstream);
+
+  let tq = Cc["@mozilla.org/network/throttlequeue;1"].createInstance(
+    Ci.nsIInputChannelThrottleQueue
+  );
+  // Make sure the request takes more than one read.
+  tq.init(100 + size / 2, 100 + size / 2);
+
+  let channel = make_channel("http://localhost:" + PORT + "/testdir");
+  channel
+    .QueryInterface(Ci.nsIUploadChannel)
+    .setUploadStream(mime, "", mime.available());
+  channel.requestMethod = "POST";
+
+  let tic = channel.QueryInterface(Ci.nsIThrottledInputChannel);
+  tic.throttleQueue = tq;
+
+  let startTime = Date.now();
+  channel.asyncOpen(
+    new ChannelListener(() => {
+      ok(Date.now() - startTime > 1000, "request took more than one second");
+
+      httpserver.stop(do_test_finished);
+    })
+  );
+
+  do_test_pending();
+}