1 files changed, 71 insertions, 0 deletions
diff --git a/browser/components/translations/tests/browser/browser_translations_select_panel_select_same_from_and_to_languages_directly.js b/browser/components/translations/tests/browser/browser_translations_select_panel_select_same_from_and_to_languages_directly.js
new file mode 100644
index 0000000000..95feac6708
--- /dev/null
+++ b/browser/components/translations/tests/browser/browser_translations_select_panel_select_same_from_and_to_languages_directly.js
@@ -0,0 +1,71 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * This test case verifies the behavior of switching the from-language to the same value
+ * that is currently selected in the to-language, effectively stealing the to-language's
+ * value, leaving it unselected and focused.
+ */
+add_task(
+  async function test_select_translations_panel_select_same_from_language_directly() {
+    const { cleanup, runInPage } = await loadTestPage({
+      page: SELECT_TEST_PAGE_URL,
+      languagePairs: [
+        // Do not include Spanish.
+        { fromLang: "fr", toLang: "en" },
+        { fromLang: "en", toLang: "fr" },
+      ],
+      prefs: [["browser.translations.select.enable", true]],
+    });
+
+    await SelectTranslationsTestUtils.openPanel(runInPage, {
+      selectSpanishSection: true,
+      openAtSpanishSection: true,
+      expectedFromLanguage: null,
+      expectedToLanguage: "en",
+      onOpenPanel:
+        SelectTranslationsTestUtils.assertPanelViewNoFromLangSelected,
+    });
+
+    await SelectTranslationsTestUtils.changeSelectedFromLanguage(["en"], {
+      openDropdownMenu: false,
+      onChangeLanguage:
+        SelectTranslationsTestUtils.assertPanelViewNoFromToSelected,
+    });
+
+    await cleanup();
+  }
+);
+
+/**
+ * This test case verifies the behavior of switching the to-language to the same value
+ * that is currently selected in the from-language, effectively stealing the from-language's
+ * value, leaving it unselected and focused.
+ */
+add_task(
+  async function test_select_translations_panel_select_same_to_language_directly() {
+    const { cleanup, runInPage } = await loadTestPage({
+      page: SELECT_TEST_PAGE_URL,
+      languagePairs: LANGUAGE_PAIRS,
+      prefs: [["browser.translations.select.enable", true]],
+    });
+
+    await SelectTranslationsTestUtils.openPanel(runInPage, {
+      selectEnglishSection: true,
+      openAtEnglishSection: true,
+      expectedFromLanguage: "en",
+      expectedToLanguage: null,
+      onOpenPanel: SelectTranslationsTestUtils.assertPanelViewNoToLangSelected,
+    });
+
+    await SelectTranslationsTestUtils.changeSelectedToLanguage(["en"], {
+      openDropdownMenu: false,
+      onChangeLanguage:
+        SelectTranslationsTestUtils.assertPanelViewNoFromLangSelected,
+    });
+
+    await cleanup();
+  }
+);