image-srcset-only-src-attribute.html

<!DOCTYPE html>
<script src="resources/srcset-helper.js"></script>
<script src="../../resources/js-test.js"></script>
<script>
    addEventListener("load", function() {
        shouldBeTrue('document.getElementById("foo").clientWidth==400');
    }, false);
</script>
<div>This test passes if this img tag below is a green square when scale factor is 2. It ensures that the selection algorithm does not change the behavior of the src attribute, even with a scale factor greater than 1</div>
<img id="foo" src="resources/green-400-px-square.png">

chromium/third_party/blink/web_tests/fast/hidpi/image-srcset-only-src-attribute.html