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<!DOCTYPE html>
<meta charset="utf-8">
<title>Test for onpaymentmethodchange attribute</title>
<link rel="help" href="https://w3c.github.io/browser-payment-api/#onpaymentmethodchange-attribute">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
"use strict";
const testMethod = Object.freeze({ supportedMethods: "not-a-real-method" });
const applePay = Object.freeze({
supportedMethods: "https://apple.com/apple-pay",
data: {
version: 3,
merchantIdentifier: "merchant.com.example",
countryCode: "US",
merchantCapabilities: ["supports3DS"],
supportedNetworks: ["visa"],
}
});
const defaultMethods = Object.freeze([testMethod, applePay]);
const defaultDetails = Object.freeze({
total: {
label: "Total",
amount: {
currency: "USD",
value: "1.00",
},
},
});
test(() => {
const request = new PaymentRequest(defaultMethods, defaultDetails);
assert_idl_attribute(request, "onpaymentmethodchange");
}, "Must have a onpaymentmethodchange IDL attribute");
test(() => {
const request = new PaymentRequest(defaultMethods, defaultDetails);
const ev = new Event("paymentmethodchange");
let didHandle = false;
request.onpaymentmethodchange = evt => {
assert_equals(ev, evt, "must be same event");
didHandle = true;
};
request.dispatchEvent(ev);
assert_true(didHandle, "event did not fire");
}, `onpaymentmethodchange attribute is a generic handler for "paymentmethodchange"`);
test(() => {
const request = new PaymentRequest(defaultMethods, defaultDetails);
const ev = new PaymentMethodChangeEvent("paymentmethodchange");
let didHandle = false;
request.onpaymentmethodchange = evt => {
assert_equals(ev, evt, "must be same event");
didHandle = true;
};
request.dispatchEvent(ev);
assert_true(didHandle, "event did not fire");
}, `onpaymentmethodchange attribute is a handler for PaymentMethodChangeEvent`);
test(() => {
const request = new PaymentRequest(defaultMethods, defaultDetails);
const ev = new PaymentMethodChangeEvent("paymentmethodchange", {
methodName: "test"
});
let didHandle = false;
let didListen = false;
request.onpaymentmethodchange = evt => {
assert_equals(ev, evt, "must be same event");
didHandle = true;
};
request.addEventListener("paymentmethodchange", evt => {
assert_equals(ev, evt, "must be same event");
didListen = true;
});
request.dispatchEvent(ev);
assert_true(didHandle, "onpaymentmethodchange did not receive the event");
assert_true(didListen, "addEventListener did not receive the event");
}, `onpaymentmethodchange attribute and listeners both work`);
</script>
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