<!DOCTYPE html>
	<script src="../../resources/js-test.js"></script>
<script src="resources/currentSrcHelper.js"></script>
	<script>
	    if (window.testRunner)
	        testRunner.dumpAsText();
	
	    addEventListener("load", function() {
	        shouldBe('document.getElementById("canary").clientWidth', '75');
	        shouldBe('currentSrcFileName("canary")', '"blue_rect.jpg?0"');
	        shouldBe('document.getElementById("div_end_picture").clientWidth', '800');
	        shouldBe('currentSrcFileName("div_end_picture")', '"image-set-2x.png?2"');
	        shouldBe('document.getElementById("div_multiple_end").clientWidth', '800');
	        shouldBe('currentSrcFileName("div_multiple_end")', '"image-set-2x.png?2"');
	        shouldBe('document.getElementById("source_in_div").clientWidth', '75');
	        shouldBe('currentSrcFileName("source_in_div")', '"blue_rect.jpg"');
	        shouldBe('document.getElementById("not_in_picture").clientWidth', '75');
	        shouldBe('currentSrcFileName("not_in_picture")', '"blue_rect.jpg"');
	    }, false);
	</script>
	<!-- A canary image to see that the test is actually working -->
	<img id="canary" src="resources/blue_rect.jpg?0">
	<!-- Invalid nesting tests -->
	<!-- In the following tests, nesting shouldn't mess up the selection algorithm -->
	<picture>
	    <picture>
	        <source sizes="800px" srcset="../hidpi/resources/image-set-1x.png?2 400w, ../hidpi/resources/image-set-2x.png?2 800w,
	            resources/image-set-4x.png?2 1600w">
	        <div>
	            </picture>
	        </div>
	        <img id="div_end_picture" src="resources/blue_rect.jpg">
	    </picture>
	</picture>
	<picture>
	    <div>
	        </picture>
	        </picture>
	        </picture>
	    </div>
	    <source sizes="800px" srcset="../hidpi/resources/image-set-1x.png?2 400w, ../hidpi/resources/image-set-2x.png?2 800w,
	        resources/image-set-4x.png?2 1600w">
	    <img id="div_multiple_end" src="resources/blue_rect.jpg">
	</picture>
	<!-- In the following tests, nesting messes up the selection algorithm -->
	<picture>
	    <div>
	        <picture>
	            <div>
	                <source sizes="400px" srcset="resources/base-image1.png?4 200w, resources/base-image3.png?4 400w, resources/base-image2.png?4 800w">
	            </div>
	            <img id="source_in_div" src="resources/blue_rect.jpg">
	        </picture>
	    </div>
	</picture>
	<picture>
	    <div>
	        <picture>
	            <div>
	                <source sizes="400px" srcset="resources/base-image1.png?5 200w, resources/base-image3.png?5 400w, resources/base-image2.png?5 800w">
	                <img id="not_in_picture" src="resources/blue_rect.jpg">
	            </div>
	        </picture>
	    </div>
	</picture>