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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: Fix rootMargin parsing Created 5 years ago
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« no previous file with comments | « third_party/WebKit/LayoutTests/intersection-observer/iframe-root-expected.txt ('k') | third_party/WebKit/LayoutTests/intersection-observer/multiple-thresholds-expected.txt » ('j') | third_party/WebKit/Source/core/dom/Document.cpp » ('J')
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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..1d9cee178da5c47bfbf4e5c447972e8a3abd4ce1
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/intersection-observer/multiple-thresholds.html
@@ -0,0 +1,155 @@
+<!DOCTYPE html>
+<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 src="../resources/js-test.js"></script>
+<script src="helper-functions.js"></script>
+<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: It shouldn't be necessary to RAF after the call to observer()
+ // and before changing the scroll position, but it is.
+
+ var expected0 = [];
+ function step0() {
+ setTimeout(function() {
+ checkResults(expected0, "entries");
+ document.scrollingElement.scrollTop = 120;
+ requestAnimationFrame(step1);
+ });
+ }
+
+ var expected1 = [
+ {
+ 'boundingClientRect': [ 8, 108, 588, 688 ],
+ 'intersectionRect': [ 8, 108, 588, 600 ],
+ 'rootBounds' : [ 0, 785, 0, 600 ],
+ 'target': target
+ },
+ ];
+ function step1() {
+ setTimeout(function() {
+ checkResults(expected1, "entries");
+ document.scrollingElement.scrollTop = 160;
+ requestAnimationFrame(step2);
+ });
+ }
+
+ var expected2 = expected1.concat([
+ {
+ 'boundingClientRect': [ 8, 108, 548, 648 ],
+ 'intersectionRect': [ 8, 108, 548, 600 ],
+ 'rootBounds' : [ 0, 785, 0, 600 ],
+ 'target': target
+ }
+ ]);
+ function step2() {
+ setTimeout(function() {
+ checkResults(expected2, "entries", 1);
+ document.scrollingElement.scrollTop = 200;
+ requestAnimationFrame(step3);
+ });
+ }
+
+ var expected3 = expected2.concat([
+ {
+ 'boundingClientRect': [ 8, 108, 508, 608 ],
+ 'intersectionRect': [ 8, 108, 508, 600 ],
+ 'rootBounds' : [ 0, 785, 0, 600 ],
+ 'target': target
+ }
+ ]);
+ function step3() {
+ setTimeout(function() {
+ checkResults(expected3, "entries", 2);
+ document.scrollingElement.scrollTop = 240;
+ requestAnimationFrame(step4);
+ });
+ }
+
+ var expected4 = expected3;
+ function step4() {
+ setTimeout(function() {
+ checkResults(expected4, "entries", 3);
+ document.scrollingElement.scrollTop = 740;
+ requestAnimationFrame(step5);
+ });
+ }
+
+ var expected5 = expected4.concat([
+ {
+ 'boundingClientRect': [ 8, 108, -32, 68 ],
+ 'intersectionRect': [ 8, 108, 0, 68 ],
+ 'rootBounds' : [ 0, 785, 0, 600 ],
+ 'target': target
+ }
+ ]);
+ function step5() {
+ setTimeout(function() {
+ checkResults(expected5, "entries", 3);
+ document.scrollingElement.scrollTop = 760;
+ requestAnimationFrame(step6);
+ });
+ }
+
+ var expected6 = expected5.concat([
+ {
+ 'boundingClientRect': [ 8, 108, -52, 48 ],
+ 'intersectionRect': [ 8, 108, 0, 48 ],
+ 'rootBounds' : [ 0, 785, 0, 600 ],
+ 'target': target
+ }
+ ]);
+ function step6() {
+ setTimeout(function() {
+ checkResults(expected6, "entries", 4);
+ document.scrollingElement.scrollTop = 800;
+ requestAnimationFrame(step7);
+ });
+ }
+
+ var expected7 = expected6.concat([
+ {
+ 'boundingClientRect': [ 8, 108, -92, 8 ],
+ 'intersectionRect': [ 8, 108, 0, 8 ],
+ 'rootBounds' : [ 0, 785, 0, 600 ],
+ 'target': target
+ }
+ ]);
+ function step7() {
+ setTimeout(function() {
+ checkResults(expected7, "entries", 5);
+ document.scrollingElement.scrollTop = 820;
+ requestAnimationFrame(step8);
+ });
+ }
+
+ var expected8 = expected7.concat([
+ {
+ 'boundingClientRect': [ 8, 108, -112, -12 ],
+ 'intersectionRect': [ 0, 0, 0, 0 ],
+ 'rootBounds' : [ 0, 785, 0, 600 ],
+ 'target': target
+ }
+ ]);
+ function step8() {
+ setTimeout(function() {
+ checkResults(expected8, "entries", 6);
+ finishTest();
+ document.scrollingElement.scrollTop = 0;
+ });
+ }
+ requestAnimationFrame(step0);
+</script>
« no previous file with comments | « third_party/WebKit/LayoutTests/intersection-observer/iframe-root-expected.txt ('k') | third_party/WebKit/LayoutTests/intersection-observer/multiple-thresholds-expected.txt » ('j') | third_party/WebKit/Source/core/dom/Document.cpp » ('J')

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