<!DOCTYPE html> <meta charset="utf-8"> <title>Test for PaymentMethodChangeEvent.methodName attribute</title> <link rel="help" href="https://w3c.github.io/browser-payment-api/#dom-paymentmethodchangeevent-src"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script> "use strict"; test(() => { const event = new PaymentMethodChangeEvent("test", { methodName: "wpt-test", }); assert_idl_attribute(event, "methodName"); const { methodName } = event; assert_equals(methodName, "wpt-test"); }, "Must have a methodName IDL attribute, which is initialized with to the methodName dictionary value"); test(() => { const event = new PaymentMethodChangeEvent("test"); assert_equals(event.methodName, "", "methodName attribute must initialize to empty string"); const event2 = new PaymentMethodChangeEvent("test", { methodDetails: {} }); assert_equals(event2.methodName, "", "methodName attribute must initialize to empty string"); const event3 = new PaymentMethodChangeEvent("test", {}); assert_equals(event3.methodName, "", "methodName attribute must initialize to empty string"); }, "When no dictionary is passed, the methodName member defaults to the empty string"); </script>