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chromium/third_party/blink/web_tests/fast/forms/search/search-setrangetext-noevents.html 

<!DOCTYPE html>
<body>
<script src="../../../resources/testharness.js"></script>
<script src="../../../resources/testharnessreport.js"></script>
<div id="log"></div>
<input type="search" incremental value="abcdef">
<script>
var input = document.querySelector('input');

var test = async_test('Changing the input type in search event handler should not crash.');
test.step(function() {  
    input.onsearch = function() {
        assert_unreached();
    };
    input.oninput = function() {
        assert_unreached();
    };
    // A search event would have 0.2s delay in this case.
    setTimeout(function() {
        test.done();
    }, 300);

    input.focus();
    input.setRangeText('a', 6, 6);
});
</script>
</body>