1 files changed, 55 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-breaking.js b/devtools/client/debugger/test/mochitest/browser_dbg-breaking.js
new file mode 100644
index 0000000000..59594aea07
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-breaking.js
@@ -0,0 +1,55 @@
+/* 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/>. */
+
+"use strict";
+
+// Tests the breakpoints are hit in various situations.
+
+add_task(async function () {
+  const dbg = await initDebugger("doc-scripts.html");
+  const {
+    selectors: { getSelectedSource },
+  } = dbg;
+
+  await selectSource(dbg, "doc-scripts.html");
+
+  // Make sure we can set a top-level breakpoint and it will be hit on
+  // reload.
+  await addBreakpoint(dbg, "doc-scripts.html", 21);
+
+  const onReloaded = reload(dbg, "doc-scripts.html");
+
+  await waitForPaused(dbg);
+
+  let whyPaused = await waitFor(
+    () => dbg.win.document.querySelector(".why-paused")?.innerText
+  );
+  is(whyPaused, "Paused on breakpoint");
+
+  assertPausedAtSourceAndLine(dbg, findSource(dbg, "doc-scripts.html").id, 21);
+  await resume(dbg);
+  info("Wait for reload to complete after resume");
+  await onReloaded;
+
+  info("Create an eval script that pauses itself.");
+  invokeInTab("doEval");
+  await waitForPaused(dbg);
+  const source = getSelectedSource();
+  ok(!source.url, "It is an eval source");
+  assertPausedAtSourceAndLine(dbg, source.id, 2);
+
+  whyPaused = await waitFor(
+    () => dbg.win.document.querySelector(".why-paused")?.innerText
+  );
+  is(whyPaused, "Paused on debugger statement");
+
+  await resume(dbg);
+
+  await addBreakpoint(dbg, source, 5);
+  invokeInTab("evaledFunc");
+  await waitForPaused(dbg);
+  assertPausedAtSourceAndLine(dbg, source.id, 5);
+
+  await resume(dbg);
+});