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<!DOCTYPE html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
window.markupErrored = false;
window.markupLoaded = false;
</script>
<script src="/import-maps/resources/empty.js" type="importmap"
onload="window.markupLoaded = true;" onerror="window.markupErrored = true;">
</script>
<script>
promise_test(async () => {
await new Promise((resolve, reject) => {
const element = document.createElement("script");
element.onload = () => { reject("Got an unexpected load event"); };
element.onerror = () => { resolve("Got an error event"); };
element.src = "/import-maps/resources/empty.js";
element.type = "importmap";
document.head.appendChild(element);
})
}, "Test that an external import map fires an error event");
promise_test(async () => {
await new Promise((resolve, reject) => {
const element = document.createElement("script");
element.type = "importmap";
element.onload = () => { reject("Got an unexpected load event"); };
element.onerror = () => { resolve("Got an error event"); };
element.src = "/import-maps/resources/empty.js";
document.head.appendChild(element);
})
}, "Test that an external import map fires an error event, regardless of attribute order");
promise_test(async () => {
assert_true(window.markupErrored, "error");
assert_false(window.markupLoaded, "load");
}, "Test that an external import map in markup fires an error event");
</script>
</head>
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