1 files changed, 15 insertions, 0 deletions
diff --git a/dom/tests/browser/browser_noopener_null_uri.js b/dom/tests/browser/browser_noopener_null_uri.js
new file mode 100644
index 0000000000..8bb706b2b2
--- /dev/null
+++ b/dom/tests/browser/browser_noopener_null_uri.js
@@ -0,0 +1,15 @@
+add_task(async function browserNoopenerNullUri() {
+  await BrowserTestUtils.withNewTab({ gBrowser }, async function (aBrowser) {
+    let numTabs = gBrowser.tabs.length;
+    await SpecialPowers.spawn(aBrowser, [], async () => {
+      ok(
+        !content.window.open(undefined, undefined, "noopener"),
+        "window.open should return null"
+      );
+    });
+    await TestUtils.waitForCondition(() => gBrowser.tabs.length == numTabs + 1);
+    // We successfully opened a tab in content process!
+  });
+  // We only have to close the tab we opened earlier
+  await BrowserTestUtils.removeTab(gBrowser.tabs[1]);
+});