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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/css/cssom-view/scrollIntoView-sideways-lr-writing-mode.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/css/cssom-view/scrollIntoView-sideways-lr-writing-mode.html')
| -rw-r--r-- | testing/web-platform/tests/css/cssom-view/scrollIntoView-sideways-lr-writing-mode.html | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/cssom-view/scrollIntoView-sideways-lr-writing-mode.html b/testing/web-platform/tests/css/cssom-view/scrollIntoView-sideways-lr-writing-mode.html new file mode 100644 index 0000000000..0659dec8c1 --- /dev/null +++ b/testing/web-platform/tests/css/cssom-view/scrollIntoView-sideways-lr-writing-mode.html @@ -0,0 +1,108 @@ +<!DOCTYPE html> +<title>CSSOM View - scrollIntoView considers sideways-rl writing mode</title> +<meta charset="utf-8"> +<link rel="author" title="Cathie Chen" href="mailto:cathiechen@igalia.com"> +<link rel="help" href="https://drafts.csswg.org/cssom-view/#dom-element-scrollintoview"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> + +<style> +.box { + float: left; + width: 200px; + height: 200px; +} +#scroller { + writing-mode: sideways-lr; + overflow: scroll; + width: 300px; + height: 300px; +} +#container{ + width: 600px; + height: 600px; +} +#target { + background-color: #ff0; +} +</style> +<body> +<div id="scroller"> + <div id="container"> + <!-- ROW-1 --> + <div class="row"> + <div class="box"></div> + <div class="box"></div> + <div class="box"></div> + </div> + + <!-- ROW-2 --> + <div class="row"> + <div class="box"></div> + <div class="box" id="target"></div> + <div class="box"></div> + </div> + + <!-- ROW-3 --> + <div class="row"> + <div class="box"></div> + <div class="box"></div> + <div class="box"></div> + </div> + </div> +</div> + +<script> +// In sideways-lr mode, X corresponds to the block axis and is oriented rightward. +// Y corresponds to the inline axis and is oriented upward. +// So the beginning edges are the bottom and left edges and the ending edges are the top and right edges. + +// According to the spec, y be min(0, max(y, element padding edge height - element scrolling area height)). +// So y is nonpositive and decreases upward. + +// This assumes that the horizontal scrollbar is on the bottom side and the vertical scrollbar is on the right side. + +var target = document.getElementById("target"); +var scroller = document.getElementById("scroller"); +var scrollbar_width = scroller.offsetWidth - scroller.clientWidth; + +var scroller_width = scroller.offsetWidth; +var scroller_height = scroller.offsetHeight; +var box_width = target.offsetWidth; +var box_height = target.offsetHeight; + +var expectedX = { + blockStart: box_width, + blockCenter: (3*box_width - scroller_width)/2 + scrollbar_width/2, + blockEnd: 2*box_width - scroller_width + scrollbar_width, +}; + +var expectedY = { + inlineStart: -box_height, + inlineCenter: -((3*box_height - scroller_height)/2) - scrollbar_width/2, + inlineEnd: -(2*box_height - scroller_height) - scrollbar_width, +}; + +[ + [{block: "start", inline: "start"}, expectedX.blockStart, expectedY.inlineStart], + [{block: "start", inline: "center"}, expectedX.blockStart, expectedY.inlineCenter], + [{block: "start", inline: "end"}, expectedX.blockStart, expectedY.inlineEnd], + [{block: "center", inline: "start"}, expectedX.blockCenter, expectedY.inlineStart], + [{block: "center", inline: "center"}, expectedX.blockCenter, expectedY.inlineCenter], + [{block: "center", inline: "end"}, expectedX.blockCenter, expectedY.inlineEnd], + [{block: "end", inline: "start"}, expectedX.blockEnd, expectedY.inlineStart], + [{block: "end", inline: "center"}, expectedX.blockEnd, expectedY.inlineCenter], + [{block: "end", inline: "end"}, expectedX.blockEnd, expectedY.inlineEnd], +].forEach(([input, expectedX, expectedY]) => { + test(() => { + scroller.scrollTo(0, 0); + target.scrollIntoView(input); + assert_approx_equals(scroller.scrollLeft, expectedX, 0.5, "scrollX"); + assert_approx_equals(scroller.scrollTop, expectedY, 0.5, "scrollY"); + }, `scrollIntoView(${JSON.stringify(input)})`); +}) + +</script> + +</body> +</html> |