зеркало из https://github.com/mozilla/gecko-dev.git
101 строка
3.3 KiB
JavaScript
101 строка
3.3 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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add_task(async function() {
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const AutocompletePopup = require("devtools/client/shared/autocomplete-popup");
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info("Create an autocompletion popup");
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const [,, doc] = await createHost();
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const input = doc.createElement("input");
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doc.body.appendChild(input);
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const autocompleteOptions = {
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position: "top",
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autoSelect: true,
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};
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const popup = new AutocompletePopup(doc, autocompleteOptions);
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input.focus();
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const items = [
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{label: "item0", value: "value0"},
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{label: "item1", value: "value1"},
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{label: "item2", value: "value2"},
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];
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ok(!popup.isOpen, "popup is not open");
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ok(!input.hasAttribute("aria-activedescendant"), "no aria-activedescendant");
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const onPopupOpen = popup.once("popup-opened");
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popup.openPopup(input);
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await onPopupOpen;
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ok(popup.isOpen, "popup is open");
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is(popup.itemCount, 0, "no items");
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ok(!input.hasAttribute("aria-activedescendant"), "no aria-activedescendant");
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popup.setItems(items);
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is(popup.itemCount, items.length, "items added");
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is(JSON.stringify(popup.getItems()), JSON.stringify(items),
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"getItems returns back the same items");
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is(popup.selectedIndex, 0, "Index of the first item from top is selected.");
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is(popup.selectedItem, items[0], "First item from top is selected");
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checkActiveDescendant(popup, input);
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popup.selectItemAtIndex(1);
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is(popup.selectedIndex, 1, "index 1 is selected");
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is(popup.selectedItem, items[1], "item1 is selected");
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checkActiveDescendant(popup, input);
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popup.selectedItem = items[2];
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is(popup.selectedIndex, 2, "index 2 is selected");
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is(popup.selectedItem, items[2], "item2 is selected");
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checkActiveDescendant(popup, input);
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is(popup.selectPreviousItem(), items[1], "selectPreviousItem() works");
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is(popup.selectedIndex, 1, "index 1 is selected");
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is(popup.selectedItem, items[1], "item1 is selected");
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checkActiveDescendant(popup, input);
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is(popup.selectNextItem(), items[2], "selectNextItem() works");
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is(popup.selectedIndex, 2, "index 2 is selected");
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is(popup.selectedItem, items[2], "item2 is selected");
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checkActiveDescendant(popup, input);
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ok(popup.selectNextItem(), "selectNextItem() works");
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is(popup.selectedIndex, 0, "index 0 is selected");
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is(popup.selectedItem, items[0], "item0 is selected");
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checkActiveDescendant(popup, input);
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popup.clearItems();
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is(popup.itemCount, 0, "items cleared");
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ok(!input.hasAttribute("aria-activedescendant"), "no aria-activedescendant");
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const onPopupClose = popup.once("popup-closed");
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popup.hidePopup();
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await onPopupClose;
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});
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function stripNS(text) {
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return text.replace(RegExp(' xmlns="http://www.w3.org/1999/xhtml"', "g"), "");
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}
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function checkActiveDescendant(popup, input) {
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const activeElement = input.ownerDocument.activeElement;
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const descendantId = activeElement.getAttribute("aria-activedescendant");
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const popupItem = popup._tooltip.panel.querySelector("#" + descendantId);
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const cloneItem = input.ownerDocument.querySelector("#" + descendantId);
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ok(popupItem, "Active descendant is found in the popup list");
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ok(cloneItem, "Active descendant is found in the list clone");
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is(stripNS(popupItem.outerHTML), cloneItem.outerHTML,
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"Cloned item has the same HTML as the original element");
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}
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