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// Copyright 2011 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
goog.provide('goog.positioning.MenuAnchoredPositionTest');
goog.setTestOnly('goog.positioning.MenuAnchoredPositionTest');
goog.require('goog.dom');
goog.require('goog.dom.TagName');
goog.require('goog.positioning.Corner');
goog.require('goog.positioning.MenuAnchoredPosition');
goog.require('goog.testing.jsunit');
var offscreenAnchor;
var onscreenAnchor;
var customAnchor;
var menu;
var corner = goog.positioning.Corner;
var savedMenuHtml;
function setUp() {
offscreenAnchor = goog.dom.getElement('offscreen-anchor');
onscreenAnchor = goog.dom.getElement('onscreen-anchor');
customAnchor = goog.dom.getElement('custom-anchor');
customAnchor.style.left = '0';
customAnchor.style.top = '0';
menu = goog.dom.getElement('menu');
savedMenuHtml = menu.innerHTML;
menu.style.left = '20px';
menu.style.top = '20px';
}
function tearDown() {
menu.innerHTML = savedMenuHtml;
}
function testRepositionWithAdjustAndOnscreenAnchor() {
// Add so many children that it can't possibly fit onscreen.
for (var i = 0; i < 200; i++) {
menu.appendChild(
goog.dom.createDom(goog.dom.TagName.DIV, null, 'New Item ' + i));
}
var pos = new goog.positioning.MenuAnchoredPosition(
onscreenAnchor, corner.TOP_LEFT, true);
pos.reposition(menu, corner.TOP_LEFT);
var offset = 0;
assertEquals(offset, menu.offsetTop);
assertEquals(5, menu.offsetLeft);
}
function testRepositionWithAdjustAndOffscreenAnchor() {
// This does not get adjusted because it's too far offscreen.
var pos = new goog.positioning.MenuAnchoredPosition(
offscreenAnchor, corner.TOP_LEFT, true);
pos.reposition(menu, corner.TOP_LEFT);
assertEquals(-1000, menu.offsetTop);
assertEquals(-1000, menu.offsetLeft);
}
function testRespositionFailoverEvenWhenResizeHeightIsOn() {
var pos = new goog.positioning.MenuAnchoredPosition(
onscreenAnchor, corner.TOP_LEFT, true, true);
pos.reposition(menu, corner.TOP_RIGHT);
// The menu should not get positioned offscreen.
assertEquals(5, menu.offsetTop);
assertEquals(5, menu.offsetLeft);
}
function testRepositionToBottomLeftWhenBottomFailsAndRightFailsAndResizeOn() {
var pageSize = goog.dom.getViewportSize();
customAnchor.style.left = (pageSize.width - 10) + 'px';
// Add so many children that it can't possibly fit onscreen.
for (var i = 0; i < 200; i++) {
menu.appendChild(
goog.dom.createDom(goog.dom.TagName.DIV, null, 'New Item ' + i));
}
var pos = new goog.positioning.MenuAnchoredPosition(
customAnchor, corner.TOP_LEFT, true, true);
pos.reposition(menu, corner.TOP_LEFT);
assertEquals(menu.offsetLeft + menu.offsetWidth, customAnchor.offsetLeft);
}
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