1 files changed, 59 insertions, 0 deletions
diff --git a/devtools/client/netmonitor/test/browser_net_truncate.js b/devtools/client/netmonitor/test/browser_net_truncate.js
new file mode 100644
index 0000000000..77e6451f7e
--- /dev/null
+++ b/devtools/client/netmonitor/test/browser_net_truncate.js
@@ -0,0 +1,59 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Verifies that truncated response bodies still have the correct reported size.
+ */
+add_task(async function () {
+  const limit = Services.prefs.getIntPref(
+    "devtools.netmonitor.responseBodyLimit"
+  );
+  const URL = EXAMPLE_URL + "sjs_truncate-test-server.sjs?limit=" + limit;
+  const { monitor } = await initNetMonitor(URL, { requestCount: 1 });
+
+  info("Starting test... ");
+
+  const {
+    L10N,
+  } = require("resource://devtools/client/netmonitor/src/utils/l10n.js");
+
+  const { document } = monitor.panelWin;
+
+  const wait = waitForNetworkEvents(monitor, 1);
+  await reloadBrowser();
+  await wait;
+
+  // Response content will be updated asynchronously, we should make sure data is updated
+  // on DOM before asserting.
+  await waitUntil(() => document.querySelector(".request-list-item"));
+  const item = document.querySelectorAll(".request-list-item")[0];
+  await waitUntil(() => item.querySelector(".requests-list-type").title);
+
+  const type = item.querySelector(".requests-list-type").textContent;
+  const fullMimeType = item.querySelector(".requests-list-type").title;
+  const transferred = item.querySelector(
+    ".requests-list-transferred"
+  ).textContent;
+  const size = item.querySelector(".requests-list-size").textContent;
+
+  is(type, "plain", "Type should be rendered correctly.");
+  is(
+    fullMimeType,
+    "text/plain; charset=utf-8",
+    "Mimetype should be rendered correctly."
+  );
+  is(
+    transferred,
+    L10N.getFormatStrWithNumbers("networkMenu.sizeMB", 2.1),
+    "Transferred size should be rendered correctly."
+  );
+  is(
+    size,
+    L10N.getFormatStrWithNumbers("networkMenu.sizeMB", 2.1),
+    "Size should be rendered correctly."
+  );
+
+  return teardown(monitor);
+});