1 files changed, 57 insertions, 0 deletions
diff --git a/testing/web-platform/tests/payment-handler/app-can-make-payment.js b/testing/web-platform/tests/payment-handler/app-can-make-payment.js
new file mode 100644
index 0000000000..6b060dffb7
--- /dev/null
+++ b/testing/web-platform/tests/payment-handler/app-can-make-payment.js
@@ -0,0 +1,57 @@
+let responseType = 'canMakePayment-true';
+
+self.addEventListener('canmakepayment', event => {
+  if (event.methodData) {
+    const msg = 'Expected no method data.';
+    event.respondWith(Promise.reject(new Error(msg)));
+    return;
+  }
+
+  if (event.modifiers) {
+    const msg = 'Expected no modifiers';
+    event.respondWith(Promise.reject(new Error(msg)));
+    return;
+  }
+
+  if (event.topOrigin) {
+    const msg = `Unexpected topOrigin.`;
+    event.respondWith(Promise.reject(new Error(msg)));
+    return;
+  }
+
+  if (event.paymentRequestOrigin) {
+    const msg = `Unexpected iframe origin.`;
+    event.respondWith(Promise.reject(new Error(msg)));
+    return;
+  }
+
+  switch (responseType) {
+    case 'canMakePayment-true':
+      event.respondWith(true);
+      break;
+    case 'canMakePayment-false':
+      event.respondWith(false);
+      break;
+    case 'canMakePayment-promise-true':
+      event.respondWith(Promise.resolve(true));
+      break;
+    case 'canMakePayment-promise-false':
+      event.respondWith(Promise.resolve(false));
+      break;
+    case 'canMakePayment-custom-error':
+      event.respondWith(Promise.reject(new Error('Custom error')));
+      break;
+    default:
+      const msg = `Unrecognized payment method name "${methodName}".`;
+      event.respondWith(Promise.reject(new Error(msg)));
+      break;
+  }
+});
+
+self.addEventListener('paymentrequest', event => {
+  responseType = event.methodData[0].data.responseType;
+  event.respondWith({
+    methodName: event.methodData[0].supportedMethods,
+    details: {status: 'success'},
+  });
+});