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/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Check that expanding an objectInspector node doesn't alter the output scroll position.
const TEST_URI =
"data:text/html;charset=utf8,<!DOCTYPE html>test Object Inspector";
add_task(async function () {
const hud = await openNewTabAndConsole(TEST_URI);
await SpecialPowers.spawn(gBrowser.selectedBrowser, [], function () {
content.wrappedJSObject.console.log(
"oi-test",
content.wrappedJSObject.Math
);
});
const node = await waitFor(() => findConsoleAPIMessage(hud, "oi-test"));
const objectInspector = node.querySelector(".tree");
let onOiMutation = waitForNodeMutation(objectInspector, {
childList: true,
});
info("Expanding the object inspector");
objectInspector.querySelector(".arrow").click();
await onOiMutation;
const nodes = objectInspector.querySelectorAll(".node");
const lastNode = nodes[nodes.length - 1];
info("Scroll the last node of the ObjectInspector into view");
lastNode.scrollIntoView();
const outputContainer = hud.ui.outputNode.querySelector(".webconsole-output");
ok(hasVerticalOverflow(outputContainer), "There is a vertical overflow");
const scrollTop = outputContainer.scrollTop;
onOiMutation = waitForNodeMutation(objectInspector, {
childList: true,
});
info("Expand the last node");
const view = lastNode.ownerDocument.defaultView;
EventUtils.synthesizeMouseAtCenter(lastNode, {}, view);
await onOiMutation;
is(
scrollTop,
outputContainer.scrollTop,
"Scroll position did not changed when expanding a node"
);
});
function hasVerticalOverflow(container) {
return container.scrollHeight > container.clientHeight;
}
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