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<!doctype html>
<title>'load' and 'error' events for SVG <use></title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/rendering-utils.js"></script>
<svg>
<defs>
<rect id="local" width="100" height="100" fill="blue"/>
</defs>
</svg>
<script>
function newUseElement() {
return document.createElementNS('http://www.w3.org/2000/svg', 'use');
}
function makeWatcher(root, eventType, url) {
return new Promise(resolve => {
const watcher = newUseElement();
watcher.addEventListener(eventType, resolve);
watcher.setAttribute('href', url);
root.appendChild(watcher);
});
}
function expectEvents(t, element, event) {
return new EventWatcher(t, element, ['load', 'error']).wait_for(event);
}
const DATA_URL_PAYLOAD =
'<svg xmlns="http://www.w3.org/2000/svg"><rect id="green" fill="lime" width="100" height="50"/></svg>';
const cookie = Date.now();
let counter = 0;
function makeCookie(index) {
return `${cookie}-${index}`;
}
function getUrl(type) {
const cookie = makeCookie(counter++);
switch (type) {
case 'existing':
return `/images/colors.svg?${cookie}#green`;
case 'existing-data':
return `data:image/svg+xml,${DATA_URL_PAYLOAD}#green`;
case 'non-existing':
return `/images/this-file-should-not-exist.svg?${cookie}#green`;
case 'broken':
return `/images/fail.gif?${cookie}#green`;
}
}
promise_test(t => {
const svg = document.querySelector('svg');
const use = newUseElement();
expectEvents(t, use, []);
svg.appendChild(use).setAttribute('href', '#local');
return waitForAtLeastOneFrame();
}, document.title + ', local reference, existing');
promise_test(t => {
const svg = document.querySelector('svg');
const use = newUseElement();
expectEvents(t, use, []);
svg.appendChild(use).setAttribute('href', '#local_not_there');
return waitForAtLeastOneFrame();
}, document.title + ', local reference, non-existing');
promise_test(t => {
const svg = document.querySelector('svg');
const use = newUseElement();
const watcher = expectEvents(t, use, ['load']);
const url = getUrl('existing');
svg.appendChild(use).setAttribute('href', url);
return watcher;
}, document.title + ', external reference, existing');
promise_test(t => {
const svg = document.querySelector('svg');
const use = newUseElement();
const watcher = expectEvents(t, use, ['error']);
const url = getUrl('existing-data');
svg.appendChild(use).setAttribute('href', url);
return watcher;
}, document.title + ', external data: URL reference, existing');
promise_test(t => {
const svg = document.querySelector('svg');
const use = newUseElement();
const watcher = expectEvents(t, use, ['error']);
const url = getUrl('non-existing');
svg.appendChild(use).setAttribute('href', url);
return watcher;
}, document.title + ', external reference, non-existing');
promise_test(t => {
const svg = document.querySelector('svg');
const use = newUseElement();
const watcher = expectEvents(t, use, ['error']);
const url = getUrl('broken');
svg.appendChild(use).setAttribute('href', url);
return watcher;
}, document.title + ', external reference, existing, parse error');
promise_test(t => {
const svg = document.querySelector('svg');
const use = newUseElement();
expectEvents(t, use, []);
const url = getUrl('existing');
svg.appendChild(use).setAttribute('href', url);
t.step_timeout(() => use.setAttribute('href', '#local'));
return makeWatcher(svg, 'load', url);
}, document.title + ', external reference, existing, changed to local reference while loading');
promise_test(t => {
const svg = document.querySelector('svg');
const use = newUseElement();
expectEvents(t, use, []);
const url = getUrl('existing-data');
svg.appendChild(use).setAttribute('href', url);
t.step_timeout(() => use.setAttribute('href', '#local'));
return makeWatcher(svg, 'error', url);
}, document.title + ', external data: URL reference, existing, changed to local reference while loading');
promise_test(t => {
const svg = document.querySelector('svg');
const use = newUseElement();
expectEvents(t, use, []);
const url = getUrl('non-existing');
svg.appendChild(use).setAttribute('href', url);
t.step_timeout(() => use.setAttribute('href', '#local'));
return makeWatcher(svg, 'error', url);
}, document.title + ', external reference, non-existing, changed to local reference while loading');
</script>
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