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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
| commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
| tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /testing/web-platform/tests/intersection-observer/inline-client-rect.html | |
| parent | Initial commit. (diff) | |
| download | thunderbird-upstream.tar.xz thunderbird-upstream.zip | |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/intersection-observer/inline-client-rect.html')
| -rw-r--r-- | testing/web-platform/tests/intersection-observer/inline-client-rect.html | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/testing/web-platform/tests/intersection-observer/inline-client-rect.html b/testing/web-platform/tests/intersection-observer/inline-client-rect.html new file mode 100644 index 0000000000..c096230eb1 --- /dev/null +++ b/testing/web-platform/tests/intersection-observer/inline-client-rect.html @@ -0,0 +1,93 @@ +<!DOCTYPE html> +<meta name="viewport" content="width=device-width,initial-scale=1"> +<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: 120px; + left: 0; +} +#scroller { + width: 250px; + overflow: auto; +} +#overflow { + width: 1000px; +} +.content { + width: 100px; + height: 20px; + padding: 40px 0; + text-align: center; + background-color: grey; + display: inline-block; +} +</style> + +<div id="scroller"> + <div id="overflow"> + <span><div class="content">1</div></span> + <span><div class="content">2</div></span> + <span><div class="content">3</div></span> + <span id="target"><div class="content">4</div></span> + <span><div class="content">5</div></span> + </div> +</div> + +<script> +var vw = document.documentElement.clientWidth; +var vh = document.documentElement.clientHeight; + +var entries = []; +var scroller, target, spaceWidth, targetOffsetLeft, targetOffsetTop; + +runTestCycle(function() { + scroller = document.getElementById("scroller"); + assert_true(!!scroller, "scroller exists"); + target = document.getElementById("target"); + assert_true(!!target, "target exists"); + var 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(step0, "First rAF"); +}, "Inline target"); + +function step0() { + // Measure space width between two adjacent inlines. + let nextEl = target.nextElementSibling; + spaceWidth = nextEl.offsetLeft - target.offsetLeft - target.offsetWidth; + // 8px body margin + 3 preceding siblings @ (100px width + spaceWidth) each + targetOffsetLeft = 8 + 300 + (spaceWidth * 3); + // 8px body margin + 40px top padding + targetOffsetTop = 48; + let left = targetOffsetLeft; + let right = left + 100; + let top = targetOffsetTop; + let bottom = top + target.offsetHeight; + + scroller.scrollLeft = 90; + runTestCycle(step1, "scroller.scrollLeft = 90"); + + checkLastEntry(entries, 0, [left, right, top, bottom, + 0, 0, 0, 0, 0, vw, 0, vh, false]); +} + +function step1() { + // -90px for scroll offset + let left = targetOffsetLeft - 90; + let right = left + 100; + let top = targetOffsetTop; + let bottom = top + target.offsetHeight; + // 8px body margin + 250px client width of scroller + let scrollerRight = 258; + checkLastEntry(entries, 1, [left, right, top, bottom, + left, scrollerRight, top, bottom, + 0, vw, 0, vh, true]); +} +</script> |