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<!DOCTYPE HTML>
<!--
Author: eae@google.com (Emil A Eklund)
-->
<html>
<!--
Copyright 2009 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.positioning.ViewportClientPosition</title>
<script src="../base.js"></script>
<script>
goog.require('goog.dom');
goog.require('goog.positioning.ViewportClientPosition');
goog.require('goog.style');
goog.require('goog.testing.jsunit');
goog.require('goog.userAgent');
</script>
</head>
<body>
<!--
Uses an iframe to avoid window size problems when running under Selenium.
-->
<iframe id="frame1" style="width: 200px; height: 200px;"
src="anchoredviewportposition_test_iframe.html">
</iframe>
<script>
var viewportSize, anchor, popup, dom, frameRect;
var corner = goog.positioning.Corner;
// Allow positions to be off by one in gecko as it reports scrolling
// offsets in steps of 2.
var ALLOWED_OFFSET = goog.userAgent.GECKO ? 1 : 0;
function setUp() {
var frame = document.getElementById('frame1');
var doc = goog.dom.getFrameContentDocument(frame);
dom = goog.dom.getDomHelper(doc);
viewportSize = dom.getViewportSize();
anchor = dom.getElement('anchor');
popup = dom.getElement('popup');
popup.style.overflowY = 'visible';
goog.style.setSize(popup, 20, 20);
frameRect = goog.style.getVisibleRectForElement(doc.body);
}
function testPositionAtCoordinateTopLeft() {
var pos = new goog.positioning.ViewportClientPosition(100, 100);
pos.reposition(popup, corner.TOP_LEFT);
var offset = goog.style.getPageOffset(popup);
assertEquals('Left edge of popup should be at specified x coordinate.',
100,
offset.x);
assertEquals('Top edge of popup should be at specified y coordinate.',
100,
offset.y);
}
function testPositionAtCoordinateBottomRight() {
var pos = new goog.positioning.ViewportClientPosition(100, 100);
pos.reposition(popup, corner.BOTTOM_RIGHT);
var bounds = goog.style.getBounds(popup);
assertEquals('Right edge of popup should be at specified x coordinate.',
100,
bounds.left + bounds.width);
assertEquals('Bottom edge of popup should be at specified x coordinate.',
100,
bounds.top + bounds.height);
}
function testPositionAtCoordinateTopLeftWithScroll() {
dom.getDocument().body.style.paddingTop = '300px';
dom.getDocument().body.style.height = '3000px';
dom.getDocumentScrollElement().scrollTop = 50;
dom.getDocument().body.scrollTop = 50;
var pos = new goog.positioning.ViewportClientPosition(0, 0);
pos.reposition(popup, corner.TOP_LEFT);
var offset = goog.style.getPageOffset(popup);
assertEquals('Left edge of popup should be at specified x coordinate.',
0,
offset.x);
assertTrue('Top edge of popup should be at specified y coordinate ' +
'adjusted for scroll.',
Math.abs(offset.y - 50) <= ALLOWED_OFFSET);
dom.getDocument().body.style.paddingLeft = '1000px';
dom.getDocumentScrollElement().scrollLeft = 500;
pos.reposition(popup, corner.TOP_LEFT);
offset = goog.style.getPageOffset(popup);
assertTrue('Left edge of popup should be at specified x coordinate ' +
'adjusted for scroll.',
Math.abs(offset.x - 500) <= ALLOWED_OFFSET);
dom.getDocumentScrollElement().scrollLeft = 0;
dom.getDocumentScrollElement().scrollTop = 0;
dom.getDocument().body.style.paddingLeft = '';
dom.getDocument().body.style.paddingTop = '';
pos.reposition(popup, corner.TOP_LEFT);
offset = goog.style.getPageOffset(popup);
assertEquals('Left edge of popup should be at specified x coordinate.',
0,
offset.x);
assertEquals('Top edge of popup should be at specified y coordinate.',
0,
offset.y);
}
function testOverflowRightFlipHor() {
var pos = new goog.positioning.ViewportClientPosition(frameRect.right,
100);
pos.reposition(popup, corner.TOP_LEFT);
var offset = goog.style.getPageOffset(popup);
assertEquals('Left edge of popup should have been adjusted so that it ' +
'fits inside the viewport.',
frameRect.right - popup.offsetWidth,
offset.x);
assertEquals('Top edge of popup should be at specified y coordinate.',
100,
offset.y);
}
function testOverflowTopFlipVer() {
var pos = new goog.positioning.ViewportClientPosition(100, 0);
pos.reposition(popup, corner.TOP_RIGHT);
var offset = goog.style.getPageOffset(popup);
assertEquals('Left edge of popup should be at specified x coordinate.',
80,
offset.x);
assertEquals('Top edge of popup should have been adjusted so that it ' +
'fits inside the viewport.',
0,
offset.y);
}
function testOverflowBottomRightFlipBoth() {
var pos = new goog.positioning.ViewportClientPosition(frameRect.right,
frameRect.bottom);
pos.reposition(popup, corner.TOP_LEFT);
var offset = goog.style.getPageOffset(popup);
assertEquals('Left edge of popup should have been adjusted so that it ' +
'fits inside the viewport.',
frameRect.right - popup.offsetWidth,
offset.x);
assertEquals('Top edge of popup should have been adjusted so that it ' +
'fits inside the viewport.',
frameRect.bottom - popup.offsetHeight,
offset.y);
}
function testLastRespotOverflow() {
var large = 2000;
goog.style.setSize(popup, 20, large);
popup.style.overflowY = 'auto';
var pos = new goog.positioning.ViewportClientPosition(0, 0);
pos.reposition(popup, corner.TOP_LEFT);
assertEquals(large, popup.offsetHeight);
pos.setLastResortOverflow(goog.positioning.Overflow.RESIZE_HEIGHT);
pos.reposition(popup, corner.TOP_LEFT);
assertNotEquals(large, popup.offsetHeight);
}
</script>
</body>
</html>
|
