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<!DOCTYPE HTML>
<meta name="timeout" content="long">
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="scroll_support.js"></script>
<style>
html {
height: 3000px;
width: 3000px;
}
#targetDiv {
width: 200px;
height: 200px;
overflow: scroll;
}
#innerDiv {
width: 400px;
height: 400px;
}
</style>
<body style="margin:0" onload=runTest()>
<div id="targetDiv">
<div id="innerDiv">
</div>
</div>
</body>
<script>
var element_scrollend_arrived = false;
var document_scrollend_arrived = false;
function onElementScrollEnd(event) {
assert_false(event.cancelable);
assert_false(event.bubbles);
element_scrollend_arrived = true;
}
function onDocumentScrollEnd(event) {
assert_false(event.cancelable);
// scrollend events are bubbled when the target node is document.
assert_true(event.bubbles);
document_scrollend_arrived = true;
}
function callScrollFunction([scrollTarget, scrollFunction, args]) {
scrollTarget[scrollFunction](args);
}
function runTest() {
let root_element = document.scrollingElement;
let target_div = document.getElementById("targetDiv");
let inner_div = document.getElementById("innerDiv");
// Get expected position for root_element scrollIntoView.
root_element.scrollTo(10000, 10000);
let max_root_x = root_element.scrollLeft;
let max_root_y = root_element.scrollTop;
root_element.scrollTo(0, 0);
target_div.scrollTo(10000, 10000);
let max_element_x = target_div.scrollLeft;
let max_element_y = target_div.scrollTop;
target_div.scrollTo(0, 0);
promise_test (async (t) => {
await waitForCompositorCommit();
target_div.addEventListener("scrollend", onElementScrollEnd);
document.addEventListener("scrollend", onDocumentScrollEnd);
let test_cases = [
[target_div, max_element_x, max_element_y, [inner_div, "scrollIntoView", { inline: "end", block: "end", behavior: "auto" }]],
[target_div, 0, 0, [inner_div, "scrollIntoView", { inline: "start", block: "start", behavior: "smooth" }]],
[root_element, max_root_x, max_root_y, [root_element, "scrollIntoView", { inline: "end", block: "end", behavior: "smooth" }]],
[root_element, 0, 0, [root_element, "scrollIntoView", { inline: "start", block: "start", behavior: "smooth" }]]
];
for(i = 0; i < test_cases.length; i++) {
let t = test_cases[i];
let target = t[0];
let expected_x = t[1];
let expected_y = t[2];
let scroll_datas = t[3];
callScrollFunction(scroll_datas);
await waitFor(() => { return element_scrollend_arrived || document_scrollend_arrived; }, target.tagName + ".scrollIntoView did not receive scrollend event.");
if (target == root_element)
assert_false(element_scrollend_arrived);
else
assert_false(document_scrollend_arrived);
assert_equals(target.scrollLeft, expected_x, target.tagName + ".scrollIntoView scrollLeft");
assert_equals(target.scrollTop, expected_y, target.tagName + ".scrollIntoView scrollTop");
element_scrollend_arrived = false;
document_scrollend_arrived = false;
}
}, "Tests scrollend event for scrollIntoView.");
promise_test(async (t) => {
document.body.removeChild(target_div);
let out_div = document.createElement("div");
out_div.style = "width: 100px; height:100px; overflow:scroll; scroll-behavior:smooth;";
out_div.appendChild(target_div);
document.body.appendChild(out_div);
await waitForCompositorCommit();
element_scrollend_arrived = false;
document_scrollend_arrived = false;
inner_div.scrollIntoView({ inline: "end", block: "end", behavior: "auto" });
await waitFor(() => { return element_scrollend_arrived || document_scrollend_arrived; }, "Nested scrollIntoView did not receive scrollend event.");
assert_equals(root_element.scrollLeft, 0, "Nested scrollIntoView root_element scrollLeft");
assert_equals(root_element.scrollTop, 0, "Nested scrollIntoView root_element scrollTop");
assert_equals(out_div.scrollLeft, 100, "Nested scrollIntoView out_div scrollLeft");
assert_equals(out_div.scrollTop, 100, "Nested scrollIntoView out_div scrollTop");
assert_equals(target_div.scrollLeft, max_element_x, "Nested scrollIntoView target_div scrollLeft");
assert_equals(target_div.scrollTop, max_element_y, "Nested scrollIntoView target_div scrollTop");
assert_false(document_scrollend_arrived);
}, "Tests scrollend event for nested scrollIntoView.");
}
</script>
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