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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/css/cssom-view/scrollLeftTop.html
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!DOCTYPE html>
+<title>CSSOM View - scrollLeft/scrollTop considers writing-mode and css direction</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/#scrolling-area-origin">
+<link rel="help" href="https://drafts.csswg.org/cssom-view/#scroll-an-element">
+<meta name="assert" content="This test verifies the assigned and extreme values of the scroll positions of an element.">
+
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<head>
+ <style>
+ .scroller {
+ overflow: scroll;
+ width: 150px;
+ height: 100px;
+ }
+ .content {
+ width: 300px;
+ height: 400px;
+ }
+ .horizontal-tb {
+ writing-mode: horizontal-tb;
+ }
+ .vertical-lr {
+ writing-mode: vertical-lr;
+ }
+ .vertical-rl {
+ writing-mode: vertical-rl;
+ }
+ .rtl {
+ direction: rtl;
+ }
+ </style>
+</head>
+
+<body>
+ <h1>scrollLeft/scrollTop</h1>
+ <h2>writing-mode: horizontal-tb;</h2>
+ <div id="target_scroller" class="scroller horizontal-tb ltr">
+ <div id="target_content" class="content"></div>
+ </div>
+ <div class="scroller horizontal-tb rtl">
+ <div class="content"></div>
+ </div>
+ <h2>writing-mode: vertical-lr;</h2>
+ <div class="scroller vertical-lr ltr">
+ <div class="content"></div>
+ </div>
+ <div class="scroller vertical-lr rtl">
+ <div class="content"></div>
+ </div>
+ <h2>writing-mode: vertical-rl;</h2>
+ <div class="scroller vertical-rl ltr">
+ <div class="content"></div>
+ </div>
+ <div class="scroller vertical-rl rtl">
+ <div class="content"></div>
+ </div>
+
+ <script>
+ var scroller = document.querySelector("#target_scroller");
+ var content = document.querySelector("#target_content");
+ var scrollbar_width = scroller.offsetWidth - scroller.clientWidth;
+ var scroller_width = scroller.offsetWidth;
+ var scroller_height = scroller.offsetHeight;
+ var content_width = content.offsetWidth;
+ var content_height = content.offsetHeight;
+
+ expectedScrollTop = content_height - scroller_height + scrollbar_width;
+ expectedScrollLeft = content_width - scroller_width + scrollbar_width;
+
+ const epsilon = 0.5;
+ test(() => {
+ var scroller = document.querySelector(".horizontal-tb.ltr");
+ assert_approx_equals(scroller.scrollLeft, 0, epsilon, "initial scrollLeft");
+ assert_approx_equals(scroller.scrollTop, 0, epsilon, "initial scrollTop");
+ scroller.scrollLeft = 2*content_width;
+ scroller.scrollTop = 2*content_height;
+ assert_approx_equals(scroller.scrollLeft, expectedScrollLeft, epsilon, "ending scrollLeft");
+ assert_approx_equals(scroller.scrollTop, expectedScrollTop, epsilon, "ending scrollTop");
+ }, `writing-mode:horizontal-tb; direction:ltr`);
+
+ test(() => {
+ var scroller = document.querySelector(".horizontal-tb.rtl");
+ assert_approx_equals(scroller.scrollLeft, 0, epsilon, "initial scrollLeft");
+ assert_approx_equals(scroller.scrollTop, 0, epsilon, "initial scrollTop");
+ scroller.scrollLeft = -2*content_width;
+ scroller.scrollTop = 2*content_height;
+ assert_approx_equals(scroller.scrollLeft, -expectedScrollLeft, epsilon, "ending scrollLeft");
+ assert_approx_equals(scroller.scrollTop, expectedScrollTop, epsilon, "ending scrollTop");
+ }, `writing-mode:horizontal-tb; direction:rtl`);
+
+ test(() => {
+ var scroller = document.querySelector(".vertical-lr.ltr");
+ assert_approx_equals(scroller.scrollLeft, 0, epsilon, "initial scrollLeft");
+ assert_approx_equals(scroller.scrollTop, 0, epsilon, "initial scrollTop");
+ scroller.scrollLeft = 2*content_width;
+ scroller.scrollTop = 2*content_height;
+ assert_approx_equals(scroller.scrollLeft, expectedScrollLeft, epsilon, "ending scrollLeft");
+ assert_approx_equals(scroller.scrollTop, expectedScrollTop, epsilon, "ending scrollTop");
+ }, `writing-mode:vertical-lr; direction:ltr`);
+
+ test(() => {
+ var scroller = document.querySelector(".vertical-lr.rtl");
+ assert_approx_equals(scroller.scrollLeft, 0, epsilon, "initial scrollLeft");
+ assert_approx_equals(scroller.scrollTop, 0, epsilon, "initial scrollTop");
+ scroller.scrollLeft = 2*content_width;
+ scroller.scrollTop = -2*content_height;
+ assert_approx_equals(scroller.scrollLeft, expectedScrollLeft, epsilon, "ending scrollLeft");
+ assert_approx_equals(scroller.scrollTop, -expectedScrollTop, epsilon, "ending scrollTop");
+ }, `writing-mode:vertical-lr; direction:rtl`);
+
+ test(() => {
+ var scroller = document.querySelector(".vertical-rl.ltr");
+ assert_approx_equals(scroller.scrollLeft, 0, epsilon, "initial scrollLeft");
+ assert_approx_equals(scroller.scrollTop, 0, epsilon, "initial scrollTop");
+ scroller.scrollLeft = -2*content_width;
+ scroller.scrollTop = 2*content_height;
+ assert_approx_equals(scroller.scrollLeft, -expectedScrollLeft, epsilon, "ending scrollLeft");
+ assert_approx_equals(scroller.scrollTop, expectedScrollTop, epsilon, "ending scrollTop");
+ }, `writing-mode:vertical-rl; direction:ltr`);
+
+ test(() => {
+ var scroller = document.querySelector(".vertical-rl.rtl");
+ assert_approx_equals(scroller.scrollLeft, 0, epsilon, "initial scrollLeft");
+ assert_approx_equals(scroller.scrollTop, 0, epsilon, "initial scrollTop");
+ scroller.scrollLeft = -2*content_width;
+ scroller.scrollTop = -2*content_height;
+ assert_approx_equals(scroller.scrollLeft, -expectedScrollLeft, epsilon, "ending scrollLeft");
+ assert_approx_equals(scroller.scrollTop, -expectedScrollTop, epsilon, "ending scrollTop");
+ }, `writing-mode:vertical-rl; direction:rtl`);
+ </script>
+</body>
+</html>