1 files changed, 28 insertions, 0 deletions
diff --git a/browser/components/translations/tests/browser/browser_translations_full_page_panel_engine_unsupported_lang.js b/browser/components/translations/tests/browser/browser_translations_full_page_panel_engine_unsupported_lang.js
new file mode 100644
index 0000000000..21f7e8fdb7
--- /dev/null
+++ b/browser/components/translations/tests/browser/browser_translations_full_page_panel_engine_unsupported_lang.js
@@ -0,0 +1,28 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Tests how the unsupported language flow works.
+ */
+add_task(async function test_unsupported_lang() {
+  const { cleanup } = await loadTestPage({
+    page: SPANISH_PAGE_URL,
+    languagePairs: [
+      // Do not include Spanish.
+      { fromLang: "fr", toLang: "en" },
+      { fromLang: "en", toLang: "fr" },
+    ],
+  });
+
+  await FullPageTranslationsTestUtils.openPanel({
+    openFromAppMenu: true,
+    onOpenPanel:
+      FullPageTranslationsTestUtils.assertPanelViewUnsupportedLanguage,
+  });
+
+  await FullPageTranslationsTestUtils.clickChangeSourceLanguageButton();
+
+  await cleanup();
+});