1 files changed, 40 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-inline-script-offset.js b/devtools/client/debugger/test/mochitest/browser_dbg-inline-script-offset.js
new file mode 100644
index 0000000000..b0473d21e1
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-inline-script-offset.js
@@ -0,0 +1,40 @@
+/* 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/>. */
+
+// Test that breakpoints work when set in inline scripts that do not start at column 0.
+
+"use strict";
+
+const TEST_PAGE = "doc-inline-script-offset.html";
+
+add_task(async function () {
+  const dbg = await initDebugger(TEST_PAGE);
+  await selectSource(dbg, TEST_PAGE);
+
+  // Ensure that breakable lines are correct when loading against an already loaded page
+  await assertBreakableLines(dbg, TEST_PAGE, 16, [
+    ...getRange(3, 5),
+    ...getRange(11, 13),
+    15,
+  ]);
+
+  await reload(dbg, TEST_PAGE);
+
+  // Also verify they are fine after reload
+  await assertBreakableLines(dbg, TEST_PAGE, 16, [
+    ...getRange(3, 5),
+    ...getRange(11, 13),
+    15,
+  ]);
+
+  await addBreakpoint(dbg, "doc-inline-script-offset.html", 15, 66);
+
+  const onReloaded = reload(dbg);
+  await waitForPaused(dbg);
+  ok(true, "paused after reloading at column breakpoint");
+
+  await resume(dbg);
+  info("Wait for reload to complete after resume");
+  await onReloaded;
+});