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// Test endless scrolling when a lot of items are present in the storage
// inspector table.
"use strict";
const ITEMS_PER_PAGE = 50;
add_task(function* () {
yield openTabAndSetupStorage(MAIN_DOMAIN + "storage-overflow.html");
gUI.tree.expandAll();
yield selectTreeItem(["localStorage", "http://test1.example.org"]);
checkCellLength(ITEMS_PER_PAGE);
yield scroll();
checkCellLength(ITEMS_PER_PAGE * 2);
yield scroll();
checkCellLength(ITEMS_PER_PAGE * 3);
// Check that the columns are sorted in a human readable way (ascending).
checkCellValues("ASC");
// Sort descending.
clickColumnHeader("name");
// Check that the columns are sorted in a human readable way (descending).
checkCellValues("DEC");
yield finishTests();
});
function checkCellLength(len) {
let cells = gPanelWindow.document
.querySelectorAll("#name .table-widget-cell");
let msg = `Table should initially display ${len} items`;
is(cells.length, len, msg);
}
function checkCellValues(order) {
let cells = [...gPanelWindow.document
.querySelectorAll("#name .table-widget-cell")];
cells.forEach(function (cell, index, arr) {
let i = order === "ASC" ? index + 1 : arr.length - index;
is(cell.value, `item-${i}`, `Cell value is correct (${order}).`);
});
}
function* scroll() {
let $ = id => gPanelWindow.document.querySelector(id);
let table = $("#storage-table .table-widget-body");
let cell = $("#name .table-widget-cell");
let cellHeight = cell.getBoundingClientRect().height;
let onStoresUpdate = gUI.once("store-objects-updated");
table.scrollTop += cellHeight * 50;
yield onStoresUpdate;
}
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