mirror of
https://github.com/ManchildProductions/UXP-Fixed.git
synced 2026-06-11 16:08:35 +00:00
Matt A. Tobin
43 lines
1.6 KiB
HTML
43 lines
1.6 KiB
HTML
<!doctype html>
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<meta charset="utf-8">
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<title>Loading a non-parsing URL as an image should silently fail; triggering appropriate events</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<img id=brokenurl />
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<img id=emptysrc />
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<script>
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async_test(function(t) {
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var img = document.getElementById("brokenurl");
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img.src = "http://also a broken url";
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var errorevent = false;
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// The errors should be queued in the event loop, so they should only trigger
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// after this block of code finishes, not during the img.src setter itself
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img.addEventListener('error', t.step_func(function(){errorevent = true;}));
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img.addEventListener('loadend', t.step_func_done(function() {
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assert_true(errorevent, "error event fired");
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}));
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}, 'src="http://also a broken url"');
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async_test(function(t) {
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var img = document.getElementById("emptysrc");
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img.src = "";
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var loadendevent = false;
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// Setting src to empty string triggers only error event.
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// The errors should be queued in the event loop, so they should only trigger
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// after this block of code finishes, not during the img.src setter itself
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img.addEventListener('error', t.step_func(function() {
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// Queue this check in the event loop to check there is no loadend event
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// fired.
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t.step_timeout(t.step_func_done(function() {
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assert_false(loadendevent, "loadend event should not fired");
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}), 0)
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}));
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img.addEventListener('loadend', t.step_func(function() {
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loadendevent = true;
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}));
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}, 'src=""');
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</script>
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