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<!DOCTYPE HTML>
<meta charset=utf-8>
<title>Document.currentScript</title>
<link rel=help href="https://html.spec.whatwg.org/multipage/#dom-document-currentscript">
<link rel=help href="https://html.spec.whatwg.org/multipage/#execute-the-script-block">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<div id="log"></div>
<script>
var data = {
"parse-inline" : [],
"parse-ext" : [],
"dom-inline" : [],
"dom-ext" : [],
"nested" : ["nested-outer","nested-inner","nested-outer"],
"script-load-error" : [null],
"script-window-error" : ["script-error-compile","script-error-runtime"],
"timeout" : [null],
"eval" : [],
"xhr-test" : [],
"script-svg" : [],
"script-async" : [],
"script-defer" : [],
"script-async-false" : [],
"iframe-src" : [],
"cross-origin" : [null],
"document-write" : [],
"microtask": [],
};
var expected = {};
var actual = {};
Object.keys(data).forEach(function(id) {
var test_expected = data[id];
if(test_expected.length == 0) {
test_expected = [id];
}
expected[id] = test_expected;
actual[id] = [];
});
var tests = {};
setup({allow_uncaught_exception : true});
Object.keys(expected).forEach(function(id) {
var testmsg = "Script " + id;
tests[id] = async_test(testmsg);
});
function verify(id) {
tests[id].step(function() {
actual[id].push(document.currentScript);
})
}
function finish(id) {
tests[id].step(function() {
assert_array_equals(actual[id],expected[id].map(function(id) {
return document.getElementById(id);
}));
this.done();
})
}
</script>
<!-- Test parser inserted scripts -->
<script id="parse-inline">
verify('parse-inline');
finish('parse-inline')
</script>
<script id="parse-ext" src="data:text/plain,verify('parse-ext')"></script>
<script>finish('parse-ext');</script>
<!-- Test DOM inserted scripts -->
<script>
var s = document.createElement("script");
s.textContent = "verify('dom-inline');";
s.id = "dom-inline";
document.body.appendChild(s);
finish('dom-inline');
s = document.createElement("script");
s.src = "data:text/plain,verify('dom-ext');";
s.id = "dom-ext";
s.onload = function() {
finish('dom-ext');
}
document.body.appendChild(s);
</script>
<!-- Test Nested scripts -->
<script id="nested-outer">
verify("nested");
var s = document.createElement("script");
s.textContent = "verify('nested')";
s.id = "nested-inner";
document.body.appendChild(s);
verify("nested");
finish('nested');
</script>
<!-- Test script load error event listener -->
<script>
function testLoadFail() {
verify('script-load-error');
finish('script-load-error');
}
</script>
<script src="http://some.nonexistant.test/fail" id="script-load-error" onerror="testLoadFail()">
</script>
<!-- Test for runtime and compile time errors -->
<script>
window.onerror = function() {
verify('script-window-error');
}
var s = document.createElement("script");
s.id = "script-error-compile";
s.textContent = "{";
document.body.appendChild(s);
window.onerror = function() {
verify('script-window-error');
}
s = document.createElement("script");
s.id = "script-error-runtime";
s.textContent = "undefinedfn();";
document.body.appendChild(s);
finish('script-window-error');
</script>
<!-- Verify in setTimeout -->
<script>
setTimeout(function() {
verify('timeout');
finish('timeout');
},0);
</script>
<!-- Verify in eval -->
<script id="eval">
eval('verify("eval")');
finish("eval");
</script>
<!-- Verify in synchronous xhr -->
<script id="xhr-test">
var request = new XMLHttpRequest();
request.open('GET','/',false);
request.send(null);
if(request.status === 200) {
verify('xhr-test');
finish('xhr-test');
}
</script>
<!-- Testing script within svg -->
<svg>
<script id="script-svg">
verify('script-svg');
finish('script-svg');
</script>
</svg>
<!-- Test script async and defer -->
<script id='script-async' async src='data:text/plain,verify("script-async"),finish("script-async")'></script>
<script id='script-defer' defer src='data:text/plain,verify("script-defer"),finish("script-defer")'></script>
<!-- Test async = false dynamic script loading -->
<script>
var s = document.createElement("script");
s.id = "script-async-false";
s.src = "data:text/plain,verify('script-async-false');"
s.onload = function() {
finish('script-async-false');
}
s.async = false;
document.body.appendChild(s);
</script>
<!-- Verify in iframe javascript uri scheme -->
<iframe src="javascript:parent.verify('iframe-src'),parent.finish('iframe-src')"
style="visibility:hidden;display:none">
</iframe>
<!-- Testing cross origin script -->
<script>
var s = document.createElement("script");
s.id = "cross-origin";
s.src = get_host_info(). HTTP_REMOTE_ORIGIN + "/html/dom/documents/dom-tree-accessors/cross-domain.js"
s.onload = function() {
verify('cross-origin')
finish('cross-origin');
}
document.body.appendChild(s);
</script>
<!-- Testing document.write -->
<script>
document.write('<script id="document-write">verify("document-write"); finish("document-write");</' + 'script>');
</script>
<!-- Testing microtask -->
<script id="microtask">
Promise.resolve().then(() => {
verify("microtask");
finish("microtask");
});
</script>
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