1 files changed, 45 insertions, 0 deletions
diff --git a/browser/base/content/test/about/browser_aboutSupport_places.js b/browser/base/content/test/about/browser_aboutSupport_places.js
new file mode 100644
index 0000000000..e971de7f0e
--- /dev/null
+++ b/browser/base/content/test/about/browser_aboutSupport_places.js
@@ -0,0 +1,45 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+add_task(async function test_places_db_stats_table() {
+  await BrowserTestUtils.withNewTab(
+    { gBrowser, url: "about:support" },
+    async function (browser) {
+      const [initialToggleText, toggleTextAfterShow, toggleTextAfterHide] =
+        await SpecialPowers.spawn(browser, [], async function () {
+          const toggleButton = content.document.getElementById(
+            "place-database-stats-toggle"
+          );
+          const getToggleText = () =>
+            content.document.l10n.getAttributes(toggleButton).id;
+          const toggleTexts = [];
+          const table = content.document.getElementById(
+            "place-database-stats-tbody"
+          );
+          await ContentTaskUtils.waitForCondition(
+            () => table.style.display === "none",
+            "Stats table is hidden initially"
+          );
+          toggleTexts.push(getToggleText());
+          toggleButton.click();
+          await ContentTaskUtils.waitForCondition(
+            () => table.style.display === "",
+            "Stats table is shown after first toggle"
+          );
+          toggleTexts.push(getToggleText());
+          toggleButton.click();
+          await ContentTaskUtils.waitForCondition(
+            () => table.style.display === "none",
+            "Stats table is hidden after second toggle"
+          );
+          toggleTexts.push(getToggleText());
+          return toggleTexts;
+        });
+      Assert.equal(initialToggleText, "place-database-stats-show");
+      Assert.equal(toggleTextAfterShow, "place-database-stats-hide");
+      Assert.equal(toggleTextAfterHide, "place-database-stats-show");
+    }
+  );
+});