Dactyloidae/devtools/client/inspector/markup/test/browser_markup_events-overflow.js
2020-09-25 22:06:55 +08:00

90 lines
2.8 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
const TEST_URL = URL_ROOT + "doc_markup_events-overflow.html";
const TEST_DATA = [
{
desc: "editor overflows container",
// scroll to bottom
initialScrollTop: -1,
// last header
headerToClick: 49,
alignBottom: true,
alignTop: false,
},
{
desc: "header overflows the container",
initialScrollTop: 2,
headerToClick: 0,
alignBottom: false,
alignTop: true,
},
{
desc: "neither header nor editor overflows the container",
initialScrollTop: 2,
headerToClick: 5,
alignBottom: false,
alignTop: false,
},
];
add_task(function* () {
let { inspector } = yield openInspectorForURL(TEST_URL);
let markupContainer = yield getContainerForSelector("#events", inspector);
let evHolder = markupContainer.elt.querySelector(".markupview-events");
let tooltip = inspector.markup.eventDetailsTooltip;
info("Clicking to open event tooltip.");
EventUtils.synthesizeMouseAtCenter(evHolder, {},
inspector.markup.doc.defaultView);
yield tooltip.once("shown");
info("EventTooltip visible.");
let container = tooltip.panel;
let containerRect = container.getBoundingClientRect();
let headers = container.querySelectorAll(".event-header");
for (let data of TEST_DATA) {
info("Testing scrolling when " + data.desc);
if (data.initialScrollTop < 0) {
info("Scrolling container to the bottom.");
let newScrollTop = container.scrollHeight - container.clientHeight;
data.initialScrollTop = container.scrollTop = newScrollTop;
} else {
info("Scrolling container by " + data.initialScrollTop + "px");
container.scrollTop = data.initialScrollTop;
}
is(container.scrollTop, data.initialScrollTop, "Container scrolled.");
info("Clicking on header #" + data.headerToClick);
let header = headers[data.headerToClick];
let ready = tooltip.once("event-tooltip-ready");
EventUtils.synthesizeMouseAtCenter(header, {}, header.ownerGlobal);
yield ready;
info("Event handler expanded.");
// Wait for any scrolling to finish.
yield promiseNextTick();
if (data.alignTop) {
let headerRect = header.getBoundingClientRect();
is(Math.round(headerRect.top), Math.round(containerRect.top),
"Clicked header is aligned with the container top.");
} else if (data.alignBottom) {
let editorRect = header.nextElementSibling.getBoundingClientRect();
is(Math.round(editorRect.bottom), Math.round(containerRect.bottom),
"Clicked event handler code is aligned with the container bottom.");
} else {
is(container.scrollTop, data.initialScrollTop,
"Container did not scroll, as expected.");
}
}
});