1 files changed, 38 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-breaking-from-console.js b/devtools/client/debugger/test/mochitest/browser_dbg-breaking-from-console.js
new file mode 100644
index 0000000000..3a29506002
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-breaking-from-console.js
@@ -0,0 +1,38 @@
+/* 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 that `debugger` statements are hit before the debugger even
+// initializes and it properly highlights the right location in the
+// debugger.
+
+add_task(async function () {
+  const url = `${EXAMPLE_URL}doc-script-switching.html`;
+  const toolbox = await openNewTabAndToolbox(url, "webconsole");
+
+  // Type "debugger" into console
+  const wrapper = toolbox.getPanel("webconsole").hud.ui.wrapper;
+  const onSelected = toolbox.once("jsdebugger-selected");
+  wrapper.dispatchEvaluateExpression("debugger");
+
+  // Wait for the debugger to be selected and make sure it's paused
+  await onSelected;
+  is(toolbox.threadFront.state, "paused");
+
+  // Create a dbg context
+  const dbg = createDebuggerContext(toolbox);
+
+  // Make sure the thread is paused in the right source and location
+  await waitForPaused(dbg);
+  const selectedSource = dbg.selectors.getSelectedSource();
+  ok(
+    !selectedSource.url,
+    "The selected source is the console evaluation and doesn't have a URL"
+  );
+  is(getCM(dbg).getValue(), "debugger");
+  assertPausedAtSourceAndLine(dbg, selectedSource.id, 1);
+
+  await resume(dbg);
+});