1 files changed, 46 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-tabs.js b/devtools/client/debugger/test/mochitest/browser_dbg-tabs.js
new file mode 100644
index 0000000000..08485beecc
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-tabs.js
@@ -0,0 +1,46 @@
+/* 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 adding and removing tabs
+
+"use strict";
+
+add_task(async function () {
+  const dbg = await initDebugger(
+    "doc-scripts.html",
+    "simple1.js",
+    "simple2.js"
+  );
+
+  await selectSource(dbg, "simple1.js");
+  await selectSource(dbg, "simple2.js");
+  is(countTabs(dbg), 2);
+
+  info("Test reloading the debugger");
+  await reload(dbg, "simple1.js", "simple2.js");
+  await waitForSelectedSource(dbg, "simple2.js");
+  is(countTabs(dbg), 2);
+
+  info("Test reloading the debuggee a second time");
+  await reload(dbg, "simple1.js", "simple2.js");
+  await waitForSelectedSource(dbg, "simple2.js");
+  is(countTabs(dbg), 2);
+});
+
+add_task(async function () {
+  const dbg = await initDebugger(
+    "doc-scripts.html",
+    "simple1.js",
+    "simple2.js"
+  );
+
+  await selectSource(dbg, "simple1.js");
+  await selectSource(dbg, "simple2.js");
+  await closeTab(dbg, "simple1.js");
+  await closeTab(dbg, "simple2.js");
+
+  info("Test reloading the debugger");
+  await reload(dbg, "simple1.js", "simple2.js");
+  is(countTabs(dbg), 0);
+});