1 files changed, 81 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-event-breakpoints-fission.js b/devtools/client/debugger/test/mochitest/browser_dbg-event-breakpoints-fission.js
new file mode 100644
index 0000000000..072b840a14
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-event-breakpoints-fission.js
@@ -0,0 +1,81 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
+
+// Tests early event breakpoints and event breakpoints in a remote frame.
+
+"use strict";
+
+add_task(async function () {
+  const dbg = await initDebugger(
+    "doc-event-breakpoints-fission.html",
+    "event-breakpoints.js"
+  );
+
+  await selectSource(dbg, "event-breakpoints.js");
+  await waitForSelectedSource(dbg, "event-breakpoints.js");
+
+  await dbg.actions.addEventListenerBreakpoints([
+    "event.mouse.click",
+    "event.xhr.load",
+    "timer.timeout.set",
+  ]);
+
+  info("Assert early timeout event breakpoint gets hit");
+  const waitForReload = reloadBrowser();
+
+  await waitForPaused(dbg);
+  assertPausedAtSourceAndLine(
+    dbg,
+    findSource(dbg, "doc-event-breakpoints-fission.html").id,
+    17
+  );
+  await resume(dbg);
+
+  await waitForReload;
+
+  info("Assert event breakpoints work in remote frame");
+  await invokeAndAssertBreakpoints(dbg);
+
+  info("reload the iframe");
+  await SpecialPowers.spawn(gBrowser.selectedBrowser, [], () =>
+    content.wrappedJSObject.reloadIframe()
+  );
+  info("Assert event breakpoints work in remote frame after reload");
+  await invokeAndAssertBreakpoints(dbg);
+});
+
+async function invokeAndAssertBreakpoints(dbg) {
+  invokeInTabRemoteFrame("clickHandler");
+  await waitForPaused(dbg);
+  assertPausedAtSourceAndLine(
+    dbg,
+    findSource(dbg, "event-breakpoints.js").id,
+    12
+  );
+  await resume(dbg);
+
+  invokeInTabRemoteFrame("xhrHandler");
+  await waitForPaused(dbg);
+  assertPausedAtSourceAndLine(
+    dbg,
+    findSource(dbg, "event-breakpoints.js").id,
+    20
+  );
+  await resume(dbg);
+}
+
+async function invokeInTabRemoteFrame(fnc, ...args) {
+  info(`Invoking in tab remote frame: ${fnc}(${args.map(uneval).join(",")})`);
+  await SpecialPowers.spawn(
+    gBrowser.selectedBrowser,
+    [fnc, args],
+    function (_fnc, _args) {
+      return SpecialPowers.spawn(
+        content.document.querySelector("iframe"),
+        [_fnc, _args],
+        (__fnc, __args) => content.wrappedJSObject[__fnc](...__args)
+      );
+    }
+  );
+}