LayoutTests/http/tests/loading/mouse-click-prefetch-null-url.https.html

<script type="speculationrules">
    {"prefetch":[{"source":"document","where":{"and":[{"href_matches":"/*"}]},"eagerness":"conservative"}]}
</script>
<script>
    if (window.testRunner) {
        testRunner.dumpAsText();
        testRunner.waitUntilDone();
    }
    function clickElement(id) {
        if (window.eventSender) {
            let r = document.getElementById(id).getBoundingClientRect();
            window.eventSender.mouseMoveTo((r.right + r.left) / 2, (r.top + r.bottom) / 2);
            window.eventSender.mouseDown();
            window.eventSender.mouseUp();
        }
    }
    onload = () => {
        clickElement('firstanchor');
        clickElement('secondanchor');
        setTimeout(()=>{ testRunner.notifyDone() }, 50);
    }
</script>
<a id="firstanchor" href="resources/pass.html" onclick="event.preventDefault();">Clicking this prefetches something.</a><br/>
<a id="secondanchor" >Clicking this link without an href therafter should not crash.</a>