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<!doctype html>
<meta charset="utf-8">
<title>Loading a non-parsing URL as an image should silently fail; triggering appropriate events</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<img id=brokenurl />
<img id=emptysrc />
<script>
async_test(function(t) {
    var img = document.getElementById("brokenurl");
    img.src = "http://also a broken url";
    var errorevent = false;

    // The errors should be queued in the event loop, so they should only trigger
    // after this block of code finishes, not during the img.src setter itself
    img.addEventListener('error', t.step_func(function(){errorevent = true;}));
    img.addEventListener('loadend', t.step_func_done(function() {
        assert_true(errorevent, "error event fired");
    }));
}, 'src="http://also a broken url"');

async_test(function(t) {
    var img = document.getElementById("emptysrc");
    img.src = "";
    var loadendevent = false;

    // Setting src to empty string triggers only error event.
    // The errors should be queued in the event loop, so they should only trigger
    // after this block of code finishes, not during the img.src setter itself
    img.addEventListener('error', t.step_func(function() {
        // Queue this check in the event loop to check there is no loadend event
        // fired.
        t.step_timeout(t.step_func_done(function() {
            assert_false(loadendevent, "loadend event should not fired");
        }), 0)
    }));
    img.addEventListener('loadend', t.step_func(function() {
        loadendevent = true;
    }));
}, 'src=""');

</script>