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<meta name="timeout" content="long">
<title>SVGImageElement.prototype.decode(), href mutation tests.</title>
<link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.org">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<script>
"use strict";

// src tests
// -------------------
promise_test(function(t) {
  var img = document.createElementNS('http://www.w3.org/2000/svg', 'image');
  img.setAttributeNS('http://www.w3.org/1999/xlink', 'xlink:href', "/images/green.png");
  var promise = img.decode();
  img.setAttributeNS('http://www.w3.org/1999/xlink', 'xlink:href', "/images/green.svg");
  return promise_rejects_dom(t, "EncodingError", promise);
}, document.title + " xlink:href changes fail decode.");

promise_test(function(t) {
  var img = document.createElementNS('http://www.w3.org/2000/svg', 'image');
  img.setAttribute('href', "/images/green.png");
  var promise = img.decode();
  img.setAttribute('href', "/images/green.svg");
  return promise_rejects_dom(t, "EncodingError", promise);
}, document.title + " href changes fail decode.");

promise_test(function(t) {
  var img = document.createElementNS('http://www.w3.org/2000/svg', 'image');
  img.setAttributeNS('http://www.w3.org/1999/xlink', 'xlink:href', "/images/green.png");
  var first_promise = img.decode();
  img.setAttributeNS('http://www.w3.org/1999/xlink', 'xlink:href', "/images/green.svg");
  var second_promise = img.decode();
  assert_not_equals(first_promise, second_promise);
  return Promise.all([
    promise_rejects_dom(t, "EncodingError", first_promise),
    second_promise
  ]);
}, document.title + " xlink:href changes fail decode; following good decode succeeds.");

promise_test(function(t) {
  var img = document.createElementNS('http://www.w3.org/2000/svg', 'image');
  img.setAttribute('href', "/images/green.png");
  var first_promise = img.decode();
  img.setAttribute('href', "/images/green.svg");
  var second_promise = img.decode();
  assert_not_equals(first_promise, second_promise);
  return Promise.all([
    promise_rejects_dom(t, "EncodingError", first_promise),
    second_promise
  ]);
}, document.title + " href changes fail decode; following good decode succeeds.");

promise_test(function(t) {
  var img = document.createElementNS('http://www.w3.org/2000/svg', 'image');
  img.setAttributeNS('http://www.w3.org/1999/xlink', 'xlink:href', "/images/green.png");
  var first_promise = img.decode();
  img.setAttributeNS('http://www.w3.org/1999/xlink', 'xlink:href', "/non/existent/path.png");
  var second_promise = img.decode();
  assert_not_equals(first_promise, second_promise);
  return Promise.all([
    promise_rejects_dom(t, "EncodingError", first_promise),
    promise_rejects_dom(t, "EncodingError", second_promise)
  ]);
}, document.title + " xlink:href changes fail decode; following bad decode fails.");

promise_test(function(t) {
  var img = document.createElementNS('http://www.w3.org/2000/svg', 'image');
  img.setAttribute('href', "/images/green.png");
  var first_promise = img.decode();
  img.setAttribute('href', "/non/existent/path.png");
  var second_promise = img.decode();
  assert_not_equals(first_promise, second_promise);
  return Promise.all([
    promise_rejects_dom(t, "EncodingError", first_promise),
    promise_rejects_dom(t, "EncodingError", second_promise)
  ]);
}, document.title + " href changes fail decode; following bad decode fails.");

</script>
