1 files changed, 39 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-reloading.js b/devtools/client/debugger/test/mochitest/browser_dbg-reloading.js
new file mode 100644
index 0000000000..9d09505687
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-reloading.js
@@ -0,0 +1,39 @@
+/* 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 reloading:
+ * 1. reload the source
+ * 2. re-sync breakpoints
+ */
+
+"use strict";
+
+add_task(async function () {
+  const dbg = await initDebugger(
+    "ember/quickstart/dist/",
+    "ember-application/index.js"
+  );
+
+  await selectSource(dbg, "ember-application/index.js");
+
+  info("1. reload and hit breakpoint");
+  await addBreakpoint(dbg, "ember-application/index.js", 4);
+  reload(dbg, "ember/quickstart/dist/");
+
+  info("2. Wait for sources to appear and then reload");
+  await waitForDispatch(dbg.store, "ADD_SOURCES");
+  reload(dbg, "ember/quickstart/dist/");
+
+  info("3. Wait for sources to appear and then reload mid source-maps");
+  await waitForDispatch(dbg.store, "ADD_SOURCES");
+  reload(dbg, "ember/quickstart/dist/");
+
+  info(
+    "4. wait for the debugger to pause and show that we're in the correct location"
+  );
+  await waitForPaused(dbg);
+  const source = findSource(dbg, "ember-application/index.js");
+  assertPausedAtSourceAndLine(dbg, source.id, 4);
+});