1 files changed, 33 insertions, 0 deletions
diff --git a/browser/components/urlbar/tests/browser/browser_revert.js b/browser/components/urlbar/tests/browser/browser_revert.js
new file mode 100644
index 0000000000..b68ad0ff91
--- /dev/null
+++ b/browser/components/urlbar/tests/browser/browser_revert.js
@@ -0,0 +1,33 @@
+// Test reverting the urlbar value with ESC after a tab switch.
+
+add_task(async function () {
+  registerCleanupFunction(PlacesUtils.history.clear);
+  await BrowserTestUtils.withNewTab(
+    {
+      gBrowser,
+      url: "http://example.com",
+    },
+    async function (browser) {
+      let originalValue = gURLBar.value;
+      let tab = gBrowser.selectedTab;
+      info("Put a typed value.");
+      gBrowser.userTypedValue = "foobar";
+      info("Switch tabs.");
+      gBrowser.selectedTab = gBrowser.tabs[0];
+      gBrowser.selectedTab = tab;
+      Assert.equal(
+        gURLBar.value,
+        "foobar",
+        "location bar displays typed value"
+      );
+
+      gURLBar.focus();
+      EventUtils.synthesizeKey("KEY_Escape");
+      Assert.equal(
+        gURLBar.value,
+        originalValue,
+        "ESC reverted the location bar value"
+      );
+    }
+  );
+});