intersection-observer) Import web-platform tests. Upstreamed from https://bugzilla.mozilla.org/show_bug.cgi?id=1358666 [ci skip]
diff --git a/intersection-observer/client-rect.html b/intersection-observer/client-rect.html new file mode 100644 index 0000000..913e0d9 --- /dev/null +++ b/intersection-observer/client-rect.html
@@ -0,0 +1,45 @@ +<!DOCTYPE html> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="./resources/intersection-observer-test-utils.js"></script> + +<style> +pre, #log { + position: absolute; + top: 0; + left: 200px; +} +iframe { + width: 180px; + height: 100px; +} +</style> + +<iframe id="iframe" srcdoc="<div id='target' style='width:1000px;height:1000px;'></div>"></iframe> + +<script> +var target; +var entries = []; +var observer; +var iframe = document.getElementById("iframe"); + +iframe.onload = function() { + runTestCycle(function() { + target = iframe.contentDocument.getElementById("target"); + assert_true(!!target, "Target element exists."); + observer = new IntersectionObserver(function(changes) { + entries = entries.concat(changes); + }); + observer.observe(target); + entries = entries.concat(observer.takeRecords()); + assert_equals(entries.length, 0, "No initial notifications."); + runTestCycle(test0, "First rAF should generate notification."); + }, "IntersectionObserverEntry.boundingClientRect should match target.boundingClientRect()"); +}; + +function test0() { + assert_equals(entries.length, 1, "One notification."); + var bcr = target.getBoundingClientRect(); + checkLastEntry(entries, 0, [bcr.left, bcr.right, bcr.top, bcr.bottom]); +} +</script> 