mirror of
https://github.com/roytam1/basilisk55.git
synced 2026-05-26 15:02:46 +00:00
94 lines
3.0 KiB
JavaScript
94 lines
3.0 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
|
|
* http://creativecommons.org/publicdomain/zero/1.0/ */
|
|
|
|
"use strict";
|
|
|
|
// Tests that scrollIntoViewIfNeeded works properly.
|
|
const {scrollIntoViewIfNeeded} = require("devtools/client/shared/scroll");
|
|
|
|
const TEST_URI = TEST_URI_ROOT + "browser_layoutHelpers.html";
|
|
|
|
add_task(function* () {
|
|
let [host, win] = yield createHost("bottom", TEST_URI);
|
|
runTest(win);
|
|
host.destroy();
|
|
});
|
|
|
|
function runTest(win) {
|
|
let some = win.document.getElementById("some");
|
|
|
|
some.style.top = win.innerHeight + "px";
|
|
some.style.left = win.innerWidth + "px";
|
|
// The tests start with a black 2x2 pixels square below bottom right.
|
|
// Do not resize the window during the tests.
|
|
|
|
let xPos = Math.floor(win.innerWidth / 2);
|
|
// Above the viewport.
|
|
win.scroll(xPos, win.innerHeight + 2);
|
|
scrollIntoViewIfNeeded(some);
|
|
is(win.scrollY, Math.floor(win.innerHeight / 2) + 1,
|
|
"Element completely hidden above should appear centered.");
|
|
is(win.scrollX, xPos,
|
|
"scrollX position has not changed.");
|
|
|
|
// On the top edge.
|
|
win.scroll(win.innerWidth / 2, win.innerHeight + 1);
|
|
scrollIntoViewIfNeeded(some);
|
|
is(win.scrollY, win.innerHeight,
|
|
"Element partially visible above should appear above.");
|
|
is(win.scrollX, xPos,
|
|
"scrollX position has not changed.");
|
|
|
|
// Just below the viewport.
|
|
win.scroll(win.innerWidth / 2, 0);
|
|
scrollIntoViewIfNeeded(some);
|
|
is(win.scrollY, Math.floor(win.innerHeight / 2) + 1,
|
|
"Element completely hidden below should appear centered.");
|
|
is(win.scrollX, xPos,
|
|
"scrollX position has not changed.");
|
|
|
|
// On the bottom edge.
|
|
win.scroll(win.innerWidth / 2, 1);
|
|
scrollIntoViewIfNeeded(some);
|
|
is(win.scrollY, 2,
|
|
"Element partially visible below should appear below.");
|
|
is(win.scrollX, xPos,
|
|
"scrollX position has not changed.");
|
|
|
|
// Above the viewport.
|
|
win.scroll(win.innerWidth / 2, win.innerHeight + 2);
|
|
scrollIntoViewIfNeeded(some, false);
|
|
is(win.scrollY, win.innerHeight,
|
|
"Element completely hidden above should appear above " +
|
|
"if parameter is false.");
|
|
is(win.scrollX, xPos,
|
|
"scrollX position has not changed.");
|
|
|
|
// On the top edge.
|
|
win.scroll(win.innerWidth / 2, win.innerHeight + 1);
|
|
scrollIntoViewIfNeeded(some, false);
|
|
is(win.scrollY, win.innerHeight,
|
|
"Element partially visible above should appear above " +
|
|
"if parameter is false.");
|
|
is(win.scrollX, xPos,
|
|
"scrollX position has not changed.");
|
|
|
|
// Below the viewport.
|
|
win.scroll(win.innerWidth / 2, 0);
|
|
scrollIntoViewIfNeeded(some, false);
|
|
is(win.scrollY, 2,
|
|
"Element completely hidden below should appear below " +
|
|
"if parameter is false.");
|
|
is(win.scrollX, xPos,
|
|
"scrollX position has not changed.");
|
|
|
|
// On the bottom edge.
|
|
win.scroll(win.innerWidth / 2, 1);
|
|
scrollIntoViewIfNeeded(some, false);
|
|
is(win.scrollY, 2,
|
|
"Element partially visible below should appear below " +
|
|
"if parameter is false.");
|
|
is(win.scrollX, xPos,
|
|
"scrollX position has not changed.");
|
|
}
|