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Unified Diff: third_party/WebKit/LayoutTests/intersection-observer/multiple-thresholds.html

Issue 1449623002: IntersectionObserver: second cut. (Closed) Base URL: https://chromium.googlesource.com/chromium/src@master
Patch Set: Add RuntimeEnabled flags to all idl's, fix test expectations. Created 4 years, 11 months ago
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Index: third_party/WebKit/LayoutTests/intersection-observer/multiple-thresholds.html
diff --git a/third_party/WebKit/LayoutTests/intersection-observer/multiple-thresholds.html b/third_party/WebKit/LayoutTests/intersection-observer/multiple-thresholds.html
new file mode 100644
index 0000000000000000000000000000000000000000..b7542ae6fbd94ddb5eeb1a97e2a06e4fff002df0
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/intersection-observer/multiple-thresholds.html
@@ -0,0 +1,188 @@
+<!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("Intersection observer test with multiple thresholds.");
+ 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, {
+ threshold: [0, 0.25, 0.5, 0.75]
+ });
+ 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 = 120;
+ 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", 588);
+ shouldBeEqualToNumber("entries[0].boundingClientRect.bottom", 688);
+ shouldBeEqualToNumber("entries[0].intersectionRect.left", 8);
+ shouldBeEqualToNumber("entries[0].intersectionRect.right", 108);
+ shouldBeEqualToNumber("entries[0].intersectionRect.top", 588);
+ shouldBeEqualToNumber("entries[0].intersectionRect.bottom", 600);
+ 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);
+ document.scrollingElement.scrollTop = 160;
+ 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", 548);
+ shouldBeEqualToNumber("entries[1].boundingClientRect.bottom", 648);
+ shouldBeEqualToNumber("entries[1].intersectionRect.left", 8);
+ shouldBeEqualToNumber("entries[1].intersectionRect.right", 108);
+ shouldBeEqualToNumber("entries[1].intersectionRect.top", 548);
+ shouldBeEqualToNumber("entries[1].intersectionRect.bottom", 600);
+ 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);
+ document.scrollingElement.scrollTop = 200;
+ requestAnimationFrame(step3);
+ });
+ }
+
+ function step3() {
+ setTimeout(function() {
+ shouldBeEqualToNumber("entries.length", 3);
+ shouldBeEqualToNumber("entries[2].boundingClientRect.left", 8);
+ shouldBeEqualToNumber("entries[2].boundingClientRect.right", 108);
+ shouldBeEqualToNumber("entries[2].boundingClientRect.top", 508);
+ shouldBeEqualToNumber("entries[2].boundingClientRect.bottom", 608);
+ shouldBeEqualToNumber("entries[2].intersectionRect.left", 8);
+ shouldBeEqualToNumber("entries[2].intersectionRect.right", 108);
+ shouldBeEqualToNumber("entries[2].intersectionRect.top", 508);
+ shouldBeEqualToNumber("entries[2].intersectionRect.bottom", 600);
+ shouldBeEqualToNumber("entries[2].rootBounds.left", 0);
+ shouldBeEqualToNumber("entries[2].rootBounds.right", 785);
+ shouldBeEqualToNumber("entries[2].rootBounds.top", 0);
+ shouldBeEqualToNumber("entries[2].rootBounds.bottom", 600);
+ shouldEvaluateToSameObject("entries[2].target", target);
+ document.scrollingElement.scrollTop = 240;
+ requestAnimationFrame(step4);
+ });
+ }
+
+ function step4() {
+ setTimeout(function() {
+ shouldBeEqualToNumber("entries.length", 3);
+ document.scrollingElement.scrollTop = 740;
+ requestAnimationFrame(step5);
+ });
+ }
+
+ function step5() {
+ setTimeout(function() {
+ shouldBeEqualToNumber("entries.length", 4);
+ shouldBeEqualToNumber("entries[3].boundingClientRect.left", 8);
+ shouldBeEqualToNumber("entries[3].boundingClientRect.right", 108);
+ shouldBeEqualToNumber("entries[3].boundingClientRect.top", -32);
+ shouldBeEqualToNumber("entries[3].boundingClientRect.bottom", 68);
+ shouldBeEqualToNumber("entries[3].intersectionRect.left", 8);
+ shouldBeEqualToNumber("entries[3].intersectionRect.right", 108);
+ shouldBeEqualToNumber("entries[3].intersectionRect.top", 0);
+ shouldBeEqualToNumber("entries[3].intersectionRect.bottom", 68);
+ shouldBeEqualToNumber("entries[3].rootBounds.left", 0);
+ shouldBeEqualToNumber("entries[3].rootBounds.right", 785);
+ shouldBeEqualToNumber("entries[3].rootBounds.top", 0);
+ shouldBeEqualToNumber("entries[3].rootBounds.bottom", 600);
+ shouldEvaluateToSameObject("entries[3].target", target);
+ document.scrollingElement.scrollTop = 760;
+ requestAnimationFrame(step6);
+ });
+ }
+
+ function step6() {
+ setTimeout(function() {
+ shouldBeEqualToNumber("entries.length", 5);
+ shouldBeEqualToNumber("entries[4].boundingClientRect.left", 8);
+ shouldBeEqualToNumber("entries[4].boundingClientRect.right", 108);
+ shouldBeEqualToNumber("entries[4].boundingClientRect.top", -52);
+ shouldBeEqualToNumber("entries[4].boundingClientRect.bottom", 48);
+ shouldBeEqualToNumber("entries[4].intersectionRect.left", 8);
+ shouldBeEqualToNumber("entries[4].intersectionRect.right", 108);
+ shouldBeEqualToNumber("entries[4].intersectionRect.top", 0);
+ shouldBeEqualToNumber("entries[4].intersectionRect.bottom", 48);
+ shouldBeEqualToNumber("entries[4].rootBounds.left", 0);
+ shouldBeEqualToNumber("entries[4].rootBounds.right", 785);
+ shouldBeEqualToNumber("entries[4].rootBounds.top", 0);
+ shouldBeEqualToNumber("entries[4].rootBounds.bottom", 600);
+ shouldEvaluateToSameObject("entries[4].target", target);
+ document.scrollingElement.scrollTop = 800;
+ requestAnimationFrame(step7);
+ });
+ }
+
+ function step7() {
+ setTimeout(function() {
+ shouldBeEqualToNumber("entries.length", 6);
+ shouldBeEqualToNumber("entries[5].boundingClientRect.left", 8);
+ shouldBeEqualToNumber("entries[5].boundingClientRect.right", 108);
+ shouldBeEqualToNumber("entries[5].boundingClientRect.top", -92);
+ shouldBeEqualToNumber("entries[5].boundingClientRect.bottom", 8);
+ shouldBeEqualToNumber("entries[5].intersectionRect.left", 8);
+ shouldBeEqualToNumber("entries[5].intersectionRect.right", 108);
+ shouldBeEqualToNumber("entries[5].intersectionRect.top", 0);
+ shouldBeEqualToNumber("entries[5].intersectionRect.bottom", 8);
+ shouldBeEqualToNumber("entries[5].rootBounds.left", 0);
+ shouldBeEqualToNumber("entries[5].rootBounds.right", 785);
+ shouldBeEqualToNumber("entries[5].rootBounds.top", 0);
+ shouldBeEqualToNumber("entries[5].rootBounds.bottom", 600);
+ shouldEvaluateToSameObject("entries[5].target", target);
+ document.scrollingElement.scrollTop = 820;
+ requestAnimationFrame(step8);
+ });
+ }
+
+ function step8() {
+ setTimeout(function() {
+ shouldBeEqualToNumber("entries.length", 7);
+ shouldBeEqualToNumber("entries[6].boundingClientRect.left", 8);
+ shouldBeEqualToNumber("entries[6].boundingClientRect.right", 108);
+ shouldBeEqualToNumber("entries[6].boundingClientRect.top", -112);
+ shouldBeEqualToNumber("entries[6].boundingClientRect.bottom", -12);
+ shouldBeEqualToNumber("entries[6].intersectionRect.left", 0);
+ shouldBeEqualToNumber("entries[6].intersectionRect.right", 0);
+ shouldBeEqualToNumber("entries[6].intersectionRect.top", 0);
+ shouldBeEqualToNumber("entries[6].intersectionRect.bottom", 0);
+ shouldBeEqualToNumber("entries[6].rootBounds.left", 0);
+ shouldBeEqualToNumber("entries[6].rootBounds.right", 785);
+ shouldBeEqualToNumber("entries[6].rootBounds.top", 0);
+ shouldBeEqualToNumber("entries[6].rootBounds.bottom", 600);
+ shouldEvaluateToSameObject("entries[6].target", target);
+ finishTest();
+ document.scrollingElement.scrollTop = 0;
+ });
+ }
+ requestAnimationFrame(step0);
+</script>

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