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Test Info: Errors
- This test gets skipped with pattern: os == 'android' OR display == 'wayland' && os_version == '22.04'
- This test failed 5 times in the preceding 30 days. quicksearch this test
- Manifest: layout/generic/test/mochitest.toml
<!DOCTYPE HTML>
<html>
<!--
-->
<head>
<meta charset="utf-8">
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/paint_listener.js"></script>
<script src="/tests/gfx/layers/apz/test/mochitest/apz_test_utils.js"></script>
<script src="/tests/gfx/layers/apz/test/mochitest/apz_test_native_event_utils.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1790253">Mozilla Bug 1790253</a>
<p id="display"></p>
<style>
.container {
height: 200px;
width: 200px;
overflow: scroll;
background-color: gray;
}
</style>
<script>
SimpleTest.waitForExplicitFinish();
document.addEventListener("DOMContentLoaded", async () => {
await testShadowRoot();
await testShadowRootInDisplayContent();
await testNestedShadowRoot();
await testDisplayContent();
await testNestedDisplayContent();
SimpleTest.finish();
});
async function testShadowRoot() {
// Structure:
// <div class="container">
// #ShadowRoot - Listener
// <div style="height: 300px; background: linear-gradient(#e66465, #9198e5);">
const container = document.createElement("div");
container.classList.add("container");
container.attachShadow({ mode: "open" });
container.shadowRoot.innerHTML = `
<div style="height: 300px; background: linear-gradient(#e66465, #9198e5);"></div>
`;
container.shadowRoot.addEventListener("wheel", e => { e.preventDefault(); });
document.body.append(container);
await doTest(container);
container.remove();
}
async function testShadowRootInDisplayContent() {
// Structure:
// <div class="container">
// <div style="display: contents">
// #ShadowRoot - Listener
// <div style="display: contents">
// <div style="display: contents">
// <div style="height: 300px; background: linear-gradient(#e66465, #9198e5);">
const container = document.createElement("div");
container.classList.add("container");
container.innerHTML = `
<div style="display: contents"></div>
`;
const displayContent = container.querySelector("div");
displayContent.attachShadow({ mode: "open" });
displayContent.shadowRoot.innerHTML = `
<div style="display: contents">
<div style="display: contents">
<div style="height: 300px; background: linear-gradient(#e66465, #9198e5);"></div>
</div>
</div>
`;
displayContent.shadowRoot.addEventListener("wheel", e => { e.preventDefault(); });
document.body.append(container);
await doTest(container);
container.remove();
}
async function testNestedShadowRoot() {
// Structure:
// <div class="container">
// <div style="display: contents">
// #ShadowRoot - Listener
// <div style="display: contents">
// #ShadowRoot
// <div style="display: contents">
// <div style="display: contents">
// <div style="height: 300px; background: linear-gradient(#e66465, #9198e5);">
const container = document.createElement("div");
container.classList.add("container");
container.innerHTML = `
<div style="display: contents"></div>
`;
const firstDisplayContent = container.querySelector("div");
firstDisplayContent.attachShadow({ mode: "open" });
firstDisplayContent.shadowRoot.innerHTML = `
<div style="display: contents"></div>
`;
firstDisplayContent.shadowRoot.addEventListener("wheel", e => { e.preventDefault(); });
const secondDisplayContent = firstDisplayContent.shadowRoot.querySelector("div");
secondDisplayContent.attachShadow({ mode: "open" });
firstDisplayContent.shadowRoot.innerHTML = `
<div style="display: contents">
<div style="display: contents">
<div style="height: 300px; background: linear-gradient(#e66465, #9198e5);"></div>
</div>
</div>
`;
document.body.append(container);
await doTest(container);
container.remove();
}
async function testDisplayContent() {
// Structure:
// <div class="container">
// <div style="display: contents"> - Listener
// <div style="height: 300px; background: linear-gradient(#e66465, #9198e5);">
const container = document.createElement("div");
container.classList.add("container");
container.innerHTML = `
<div style="display: contents">
<div style="height: 300px; background: linear-gradient(#e66465, #9198e5);"></div>
</div>
`;
const displayContent = container.querySelector("div");
displayContent.addEventListener("wheel", e => { e.preventDefault(); });
document.body.append(container);
await doTest(container);
container.remove();
}
async function testNestedDisplayContent() {
// Structure:
// <div class="container">
// <div style="display: contents"> - Listener
// <div style="display: contents">
// <div style="height: 300px; background: linear-gradient(#e66465, #9198e5);">
const container = document.createElement("div");
container.classList.add("container");
container.innerHTML = `
<div style="display: contents">
<div style="display: contents">
<div style="height: 300px; background: linear-gradient(#e66465, #9198e5);"></div>
</div>
</div>
`;
const displayContent = container.querySelector("div");
displayContent.addEventListener("wheel", e => { e.preventDefault(); });
document.body.append(container);
await doTest(container);
container.remove();
}
async function doTest(target) {
await promiseAllPaintsDone();
const previousScroll = target.scrollTop;
await promiseMoveMouseAndScrollWheelOver(target, 1, 1, false);
await promiseApzFlushedRepaints();
is(previousScroll, target.scrollTop, "The target should not be scrolled");
}
</script>
</body>
</html>