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Test Info:
<!DOCTYPE HTML>
<html>
<!--
-->
<head>
<title>Test for customElements.define for elements created by the parser</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<script>
var uncaughtError;
window.onerror = function(message, url, lineNumber, columnNumber, error) {
uncaughtError = error;
};
var isConnectedCallbackCalled = false;
class XButton extends HTMLButtonElement {
connectedCallback() {
ok(!isConnectedCallbackCalled, "ConnectedCallback should only be called once.");
is(this.tagName, "BUTTON", "Only the <button> element should be upgraded.");
isConnectedCallbackCalled = true;
}
};
customElements.define("x-button", XButton, { extends: "button" });
class XDiv extends HTMLDivElement {
constructor() {
// Queue a task to check error and callbacks.
setTimeout(() => {
ok(isConnectedCallbackCalled, "ConnectedCallback should be called.");
ok(uncaughtError instanceof TypeError,
"TypeError should be filed for upgrading <x-div> element.");
SimpleTest.finish();
}, 0);
super();
}
connectedCallback() {
ok(false, "Connected callback for x-div should not be called.");
}
};
customElements.define("x-div", XDiv);
SimpleTest.waitForExplicitFinish();
</script>
</head>
<body>
<button is="x-button"></button><!-- should be upgraded -->
<x-button></x-button><!-- should not be upgraded -->
<span is="x-button"></span><!-- should not be upgraded -->
<div is="x-div"></div><!-- should not be upgraded -->
<x-div></x-div><!-- should be upgraded, but failed -->
<script>
</script>
</body>
</html>