| Index: third_party/WebKit/LayoutTests/intersection-observer/same-document-no-root.html | 
| diff --git a/third_party/WebKit/LayoutTests/intersection-observer/same-document-no-root.html b/third_party/WebKit/LayoutTests/intersection-observer/same-document-no-root.html | 
| new file mode 100644 | 
| index 0000000000000000000000000000000000000000..38e043ec1abff23dc45c050bb65506b3a2732671 | 
| --- /dev/null | 
| +++ b/third_party/WebKit/LayoutTests/intersection-observer/same-document-no-root.html | 
| @@ -0,0 +1,80 @@ | 
| +<!DOCTYPE html> | 
| +<script src="../resources/js-test.js"></script> | 
| +<script src="helper-functions.js"></script> | 
| +<div style="width:100%; height:700px;"></div> | 
| +<div id="target" style="background-color: green; width:100px; height:100px"></div> | 
| +<div style="width:100%; height:700px;"></div> | 
| + | 
| +<script> | 
| +  description("Simple intersection observer test with no explicit root and one document."); | 
| +  var target = document.getElementById("target"); | 
| +  var entries = []; | 
| + | 
| +  observer_callback = function(changes) { | 
| +    for (var i in changes) | 
| +      entries.push(changes[i]); | 
| +  }; | 
| +  var observer = new IntersectionObserver(observer_callback, {}); | 
| +  observer.observe(target); | 
| + | 
| +  // TODO(szager): It shouldn't be necessary to RAF after the call to observer() | 
| +  // and before changing the scroll position, but it is. | 
| + | 
| +  function step0() { | 
| +    setTimeout(function() { | 
| +      shouldBeEqualToNumber("entries.length", 0); | 
| +      document.scrollingElement.scrollTop = 300; | 
| +      requestAnimationFrame(step1); | 
| +    }); | 
| +  } | 
| + | 
| +  function step1() { | 
| +    setTimeout(function() { | 
| +      shouldBeEqualToNumber("entries.length", 1); | 
| +      shouldBeEqualToNumber("entries[0].boundingClientRect.left", 8); | 
| +      shouldBeEqualToNumber("entries[0].boundingClientRect.right", 108); | 
| +      shouldBeEqualToNumber("entries[0].boundingClientRect.top", 408); | 
| +      shouldBeEqualToNumber("entries[0].boundingClientRect.bottom", 508); | 
| +      shouldBeEqualToNumber("entries[0].intersectionRect.left", 8); | 
| +      shouldBeEqualToNumber("entries[0].intersectionRect.right", 108); | 
| +      shouldBeEqualToNumber("entries[0].intersectionRect.top", 408); | 
| +      shouldBeEqualToNumber("entries[0].intersectionRect.bottom", 508); | 
| +      shouldBeEqualToNumber("entries[0].rootBounds.left", 0); | 
| +      shouldBeEqualToNumber("entries[0].rootBounds.right", 785); | 
| +      shouldBeEqualToNumber("entries[0].rootBounds.top", 0); | 
| +      shouldBeEqualToNumber("entries[0].rootBounds.bottom", 600); | 
| +      shouldEvaluateToSameObject("entries[0].target", target); | 
| + | 
| +      // ClientRect members of IntersectionObserverEntry should be stable. | 
| +      shouldEvaluateToSameObject("entries[0].boundingClientRect", entries[0].boundingClientRect); | 
| +      shouldEvaluateToSameObject("entries[0].intersectionRect", entries[0].intersectionRect); | 
| +      shouldEvaluateToSameObject("entries[0].rootBounds", entries[0].rootBounds); | 
| + | 
| +      document.scrollingElement.scrollTop = 100; | 
| +      requestAnimationFrame(step2); | 
| +    }); | 
| +  } | 
| + | 
| +  function step2() { | 
| +    setTimeout(function() { | 
| +      shouldBeEqualToNumber("entries.length", 2); | 
| +      shouldBeEqualToNumber("entries[1].boundingClientRect.left", 8); | 
| +      shouldBeEqualToNumber("entries[1].boundingClientRect.right", 108); | 
| +      shouldBeEqualToNumber("entries[1].boundingClientRect.top", 608); | 
| +      shouldBeEqualToNumber("entries[1].boundingClientRect.bottom", 708); | 
| +      shouldBeEqualToNumber("entries[1].intersectionRect.left", 0); | 
| +      shouldBeEqualToNumber("entries[1].intersectionRect.right", 0); | 
| +      shouldBeEqualToNumber("entries[1].intersectionRect.top", 0); | 
| +      shouldBeEqualToNumber("entries[1].intersectionRect.bottom", 0); | 
| +      shouldBeEqualToNumber("entries[1].rootBounds.left", 0); | 
| +      shouldBeEqualToNumber("entries[1].rootBounds.right", 785); | 
| +      shouldBeEqualToNumber("entries[1].rootBounds.top", 0); | 
| +      shouldBeEqualToNumber("entries[1].rootBounds.bottom", 600); | 
| +      shouldEvaluateToSameObject("entries[1].target", target); | 
| +      finishTest(); | 
| +      document.scrollingElement.scrollTop = 0; | 
| +    }); | 
| +  } | 
| + | 
| +  requestAnimationFrame(step0); | 
| +</script> | 
|  |