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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1345365
-->
<head>
  <meta charset="utf-8">
  <title>Test for PaymentRequest API canMakePayment()</title>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="application/javascript">

  "use strict";
  SimpleTest.waitForExplicitFinish();

  var gUrl = SimpleTest.getTestFileURL('GeneralChromeScript.js');
  var gScript = SpecialPowers.loadChromeScript(gUrl);

  const defaultMethods = [{
    supportedMethods: "basic-card",
  }];
  const defaultDetails = {
    total: {
      label: "Total",
      amount: {
        currency: "USD",
        value: "1.00"
      }
    },
  };

  const nonsupportedMethods = [{
    supportedMethods: "testing-payment-method",
  }];

  function testDefaultAction() {
    return new Promise((resolve, reject) => {
      const payRequest = new PaymentRequest(nonsupportedMethods, defaultDetails);
      payRequest.canMakePayment().then((result) => {
        ok(!result, "Should be resolved with false, but got " + result + ".");
        resolve();
      }).catch((err) => {
        ok(false, "Expected no error, but got '" + err.name +"'.");
        resolve();
      });
    });
  }

  function testSimple() {
    return new Promise((resolve, reject) => {
      const payRequest = new PaymentRequest(defaultMethods, defaultDetails);
      payRequest.canMakePayment().then((result) => {
        ok(result, "Should be resolved with true, but got " + result + ".");
        resolve();
      }).catch((err) => {
        ok(false, "Expected no error, but got '" + err.name +"'.");
        resolve();
      });
    });
  }

  function testAfterShow() {
    const handler = SpecialPowers.getDOMWindowUtils(window).setHandlingUserInput(true);

    return new Promise((resolve, reject) => {
      const payRequest = new PaymentRequest(defaultMethods, defaultDetails);
      const acceptPromise = payRequest.show();
      payRequest.canMakePayment().then((result) => {
        ok(false, "Should throw 'InvalidStateError', but got resolved.");
        resolve();
      }).catch( (err) => {
        is(err.name, "InvalidStateError",
        "Expected 'InvalidStateError', but got '" + err.name + "'.");
        payRequest.abort().then((abortResult) => {
          is(abortResult, undefined, "abort() should be resolved with undefined.");
          resolve();
        }).catch( (error) => {
          ok(false, "Expected no error, but got '" + error.name + "'.");
          resolve();
        }).finally(handler.destruct);
      });
    });
  }

  function testAfterAbort() {
    const handler = SpecialPowers.getDOMWindowUtils(window).setHandlingUserInput(true);

    return new Promise((resolve, reject) => {
      const payRequest = new PaymentRequest(defaultMethods, defaultDetails);
      const acceptPromise = payRequest.show();
      payRequest.abort().then((abortResult) => {
        payRequest.canMakePayment().then((result) => {
          ok(false, "Should throw 'InvalidStateError', but got resolved.");
          resolve();
        }).catch( (err) => {
          is(err.name, "InvalidStateError",
          "Expected 'InvalidStateError', but got '" + err.name + "'.");
          resolve();
        });
      }).catch( (err) => {
        ok(false, "Expected no error, but got '" + err.name +"'.");
        resolve();
      }).finally(handler.destruct);
    });
  }

  function testNotAllowed() {
    return new Promise(async (resolve, reject) => {
      let payRequest = new PaymentRequest(defaultMethods, defaultDetails);
      for (let i = 0; i < 1000; i++) {
        try {
          await payRequest.canMakePayment();
        } catch(err) {
          is(err.name, "NotAllowedError",
            "Expected 'NotAllowError', but got '" + err.name + "'");
          break;
        }
      }
      for (let i = 0; i < 1000; i++) {
        try {
          await new PaymentRequest(defaultMethods, defaultDetails).canMakePayment();
        } catch(err) {
          is(err.name, "NotAllowedError",
            "Expected 'NotAllowError', but got '" + err.name + "'");
          break;
        }
      }
      resolve();
    });
  }

  function teardown() {
    gScript.addMessageListener("teardown-complete", function teardownCompleteHandler() {
      gScript.removeMessageListener("teardown-complete", teardownCompleteHandler);
      gScript.destroy();
      SimpleTest.finish();
    });
    gScript.sendAsyncMessage("teardown");
  }

  function runTests() {
    testDefaultAction()
    .then(testSimple)
    .then(testAfterShow)
    .then(testAfterAbort)
    .then(testNotAllowed)
    .then(teardown)
    .catch(e => {
      ok(false, "Unexpected error: " + e.name);
      SimpleTest.finish();
    });
  }

  window.addEventListener('load', function() {
    SpecialPowers.pushPrefEnv({
      'set': [
        ['dom.payments.request.enabled', true],
      ]
    }, runTests);
  });

  </script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1345365">Mozilla Bug 1345365</a>
</body>
</html>