1 files changed, 20 insertions, 0 deletions
diff --git a/toolkit/components/printing/tests/browser_preview_print_coop.js b/toolkit/components/printing/tests/browser_preview_print_coop.js
new file mode 100644
index 0000000000..433c21e7bd
--- /dev/null
+++ b/toolkit/components/printing/tests/browser_preview_print_coop.js
@@ -0,0 +1,20 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_PATH = getRootDirectory(gTestPath).replace(
+  "chrome://mochitests/content",
+  "https://example.com"
+);
+
+/**
+ * Verify if the page with a COOP header can be used for printing preview.
+ */
+add_task(async function testTabModal() {
+  await PrintHelper.withTestPage(async helper => {
+    await helper.startPrint();
+    ok(true, "We did not crash.");
+    await helper.closeDialog();
+  }, "file_coop_header.html");
+});