Index: third_party/WebKit/LayoutTests/intersection-observer/root-margin.html |
diff --git a/third_party/WebKit/LayoutTests/intersection-observer/root-margin.html b/third_party/WebKit/LayoutTests/intersection-observer/root-margin.html |
new file mode 100644 |
index 0000000000000000000000000000000000000000..57d49244cab43fa699f55561dfe72650d7faa060 |
--- /dev/null |
+++ b/third_party/WebKit/LayoutTests/intersection-observer/root-margin.html |
@@ -0,0 +1,89 @@ |
+<!DOCTYPE html> |
+<script src="../resources/js-test.js"></script> |
+<script src="helper-functions.js"></script> |
+<div style="width:100%; height:700px;"></div> |
+<div style="white-space: nowrap;"> |
+ <div style="display: inline-block; width: 1000px; height: 100px"></div> |
+ <div id="target" style="display: inline-block; background-color: green; width:100px; height:100px"></div> |
+ <div style="display: inline-block; width: 1000px; height: 100px"></div> |
+</div> |
+<div style="width:100%; height:700px;"></div> |
+ |
+<script> |
+ description("Intersection observer test with root margin and implicit root."); |
+ 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, { |
+ rootMargin: "10px 20% 40% 30px" |
+ }); |
+ 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.scrollLeft = 100; |
+ requestAnimationFrame(step1); |
+ }); |
+ } |
+ |
+ function step1() { |
+ setTimeout(function() { |
+ shouldBeEqualToNumber("entries.length", 1); |
+ shouldBeEqualToNumber("entries[0].boundingClientRect.left", 912); |
+ shouldBeEqualToNumber("entries[0].boundingClientRect.right", 1012); |
+ shouldBeEqualToNumber("entries[0].boundingClientRect.top", 708); |
+ shouldBeEqualToNumber("entries[0].boundingClientRect.bottom", 808); |
+ shouldBeEqualToNumber("entries[0].intersectionRect.left", 912); |
+ shouldBeEqualToNumber("entries[0].intersectionRect.right", 942); |
+ shouldBeEqualToNumber("entries[0].intersectionRect.top", 708); |
+ shouldBeEqualToNumber("entries[0].intersectionRect.bottom", 808); |
+ shouldBeEqualToNumber("entries[0].rootBounds.left", -30); |
+ shouldBeEqualToNumber("entries[0].rootBounds.right", 942); |
+ shouldBeEqualToNumber("entries[0].rootBounds.top", -10); |
+ shouldBeEqualToNumber("entries[0].rootBounds.bottom", 819); |
+ shouldEvaluateToSameObject("entries[0].target", target); |
+ document.scrollingElement.scrollTop = 800; |
+ requestAnimationFrame(step2); |
+ }); |
+ } |
+ |
+ function step2() { |
+ setTimeout(function() { |
+ shouldBeEqualToNumber("entries.length", 1); |
+ document.scrollingElement.scrollTop = 900; |
+ requestAnimationFrame(step3); |
+ }); |
+ } |
+ |
+ function step3() { |
+ setTimeout(function() { |
+ shouldBeEqualToNumber("entries.length", 2); |
+ shouldBeEqualToNumber("entries[1].boundingClientRect.left", 912); |
+ shouldBeEqualToNumber("entries[1].boundingClientRect.right", 1012); |
+ shouldBeEqualToNumber("entries[1].boundingClientRect.top", -192); |
+ shouldBeEqualToNumber("entries[1].boundingClientRect.bottom", -92); |
+ 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", -30); |
+ shouldBeEqualToNumber("entries[1].rootBounds.right", 942); |
+ shouldBeEqualToNumber("entries[1].rootBounds.top", -10); |
+ shouldBeEqualToNumber("entries[1].rootBounds.bottom", 819); |
+ shouldEvaluateToSameObject("entries[1].target", target); |
+ finishTest(); |
+ document.scrollingElement.scrollLeft = 0; |
+ document.scrollingElement.scrollTop = 0; |
+ }); |
+ } |
+ |
+ requestAnimationFrame(step0); |
+</script> |