1 files changed, 18 insertions, 0 deletions
diff --git a/dom/tests/browser/browser_autofocus_preference.js b/dom/tests/browser/browser_autofocus_preference.js
new file mode 100644
index 000000000..213f6164e
--- /dev/null
+++ b/dom/tests/browser/browser_autofocus_preference.js
@@ -0,0 +1,18 @@
+add_task(function* () {
+  yield new Promise(resolve => {
+    SpecialPowers.pushPrefEnv({"set": [["browser.autofocus", false]]}, resolve);
+  });
+
+  const url = "data:text/html,<!DOCTYPE html><html><body><input autofocus><button autofocus></button><textarea autofocus></textarea><select autofocus></select></body></html>";
+
+  let loadedPromise = BrowserTestUtils.browserLoaded(gBrowser.selectedBrowser);
+  gBrowser.selectedBrowser.loadURI(url);
+  yield loadedPromise;
+
+  yield new Promise(resolve => executeSoon(resolve));
+
+  yield ContentTask.spawn(gBrowser.selectedBrowser, null, function* () {
+    is(content.document.activeElement, content.document.body, "body focused");
+  });
+});
+