1 files changed, 29 insertions, 0 deletions
diff --git a/browser/base/content/test/tabs/browser_new_tab_url.js b/browser/base/content/test/tabs/browser_new_tab_url.js
new file mode 100644
index 0000000000..233cb4e59e
--- /dev/null
+++ b/browser/base/content/test/tabs/browser_new_tab_url.js
@@ -0,0 +1,29 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+add_task(async function test_browser_open_newtab_default_url() {
+  BrowserOpenTab();
+  const tab = gBrowser.selectedTab;
+
+  if (tab.linkedBrowser.currentURI.spec !== window.BROWSER_NEW_TAB_URL) {
+    // If about:newtab is not loaded immediately, wait for any location change.
+    await BrowserTestUtils.waitForLocationChange(gBrowser);
+  }
+
+  is(tab.linkedBrowser.currentURI.spec, window.BROWSER_NEW_TAB_URL);
+
+  BrowserTestUtils.removeTab(tab);
+});
+
+add_task(async function test_browser_open_newtab_specific_url() {
+  const url = "https://example.com";
+
+  BrowserOpenTab({ url });
+  const tab = gBrowser.selectedTab;
+
+  await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
+  is(tab.linkedBrowser.currentURI.spec, "https://example.com/");
+
+  BrowserTestUtils.removeTab(tab);
+});