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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/intersection-observer/root-margin-root-element.html | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/intersection-observer/root-margin-root-element.html')
| -rw-r--r-- | testing/web-platform/tests/intersection-observer/root-margin-root-element.html | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/testing/web-platform/tests/intersection-observer/root-margin-root-element.html b/testing/web-platform/tests/intersection-observer/root-margin-root-element.html new file mode 100644 index 0000000000..6016d45bdf --- /dev/null +++ b/testing/web-platform/tests/intersection-observer/root-margin-root-element.html @@ -0,0 +1,90 @@ +<!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; +} +.spacer { + height: calc(100vh + 100px); +} +#root { + display: inline-block; + overflow-y: scroll; + height: 200px; + border: 3px solid black; +} +#target { + width: 100px; + height: 100px; + background-color: green; +} +</style> + +<div class="spacer"></div> +<div id="root"> + <div style="height: 300px;"></div> + <div id="target"></div> +</div> +<div class="spacer"></div> + +<script> +var vw = document.documentElement.clientWidth; +var vh = document.documentElement.clientHeight; + +var entries = []; +var root, target; + +runTestCycle(function() { + target = document.getElementById("target"); + assert_true(!!target, "target exists"); + root = document.getElementById("root"); + assert_true(!!root, "root exists"); + var observer = new IntersectionObserver(function(changes) { + entries = entries.concat(changes) + }, { root: root, rootMargin: "10px 20% 40% 30px" }); + observer.observe(target); + entries = entries.concat(observer.takeRecords()); + assert_equals(entries.length, 0, "No initial notifications."); + runTestCycle(step0, "First rAF"); +}, "Root margin with explicit root."); + +function step0() { + document.scrollingElement.scrollTop = vh; + runTestCycle(step1, "document.scrollingElement.scrollTop = window.innerHeight."); + checkLastEntry(entries, 0, [ 11, 111, vh + 411, vh + 511, 0, 0, 0, 0, -19, 131, vh + 101, vh + 391, false]); +} + +function step1() { + root.scrollTop = 50; + runTestCycle(step2, "root.scrollTop = 50, putting target into root margin"); + assert_equals(entries.length, 1, "No notifications after scrolling frame."); +} + +function step2() { + document.scrollingElement.scrollTop = 0; + runTestCycle(step3, "document.scrollingElement.scrollTop = 0."); + checkLastEntry(entries, 1, [11, 111, 361, 461, 11, 111, 361, 391, -19, 131, 101, 391, true]); +} + +function step3() { + root.scrollTop = 0; + runTestCycle(step4, "root.scrollTop = 0"); + checkLastEntry(entries, 1); +} + +function step4() { + root.scrollTop = 50; + runTestCycle(step5, "root.scrollTop = 50 with root scrolled out of view."); + checkLastEntry(entries, 2, [ 11, 111, vh + 411, vh + 511, 0, 0, 0, 0, -19, 131, vh + 101, vh + 391, false]); +} + +// This tests that notifications are generated even when the root element is off screen. +function step5() { + checkLastEntry(entries, 3, [11, 111, vh + 361, vh + 461, 11, 111, vh + 361, vh + 391, -19, 131, vh + 101, vh + 391, true]); +} +</script> |