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positioning_test.html
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positioning_test.html
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<!DOCTYPE html>
<html>
<!--
Copyright 2008 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.
Author: eae@google.com (Emil A Eklund)
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.positioning</title>
<script src="../base.js"></script>
<script>
goog.require('goog.dom');
goog.require('goog.math.Box');
goog.require('goog.math.Coordinate');
goog.require('goog.math.Rect');
goog.require('goog.style');
goog.require('goog.positioning');
goog.require('goog.testing.ExpectedFailures');
goog.require('goog.testing.jsunit');
goog.require('goog.userAgent');
goog.require('goog.userAgent.product');
</script>
<style>
.box1 {
border: 1px solid black;
margin: 10px;
padding: 5px;
height: 150px;
}
.outerbox {
border: 1px solid gray;
padding: 3px;
margin: 5px 5px 5px 100px;
}
.box2 {
position: relative;
padding: 0px; /* If the padding has >0 value, IE6 fails some tests. */
margin: -2px;
}
.box8 {
position: absolute;
padding: 0px; /* If the padding has >0 value, IE6 fails some tests. */
margin: -2px;
width: 500px;
height: 100px;
}
.anchorFrame {
overflow: auto;
width: 100px;
height: 100px;
}
#popup1, #popup2, #popup3, #popup5, #popup6, #popup7 {
position: absolute;
border: 1px solid red;
width: 100px;
height: 100px;
}
#popup8 {
position: absolute;
border: 1px solid red;
width: 100px;
height: 100px;
}
#anchor1 {
border: 1px solid blue;
}
#anchor4 {
position: absolute;
left: 2px;
}
#test-area {
height: 1000px;
position: relative;
width: 1000px;
}
.overflow-hidden {
overflow: hidden;
}
.overflow-auto {
overflow: auto;
}
</style>
</head>
<body>
<div id='offscreen-anchor'
style='position: absolute; left: -1000px; top: -1000px'></div>
<div id="ltr" dir="ltr">
Left to right element.
</div>
<div id="rtl" dir="rtl">
Right to left element.
</div>
<div class="outerbox">
<div id="box1" class="box1">
<span id="anchor1">Anchor LTR.</span>
</div>
<div class="box2">
<div id="popup1">
<div>Popup ltr.</div>
</div>
</div>
</div>
<div class="outerbox" dir="rtl">
<div class="box1">
<span id="anchor2">Anchor RTL.</span>
</div>
<div class="box2">
<div id="popup2">
<div>Popup rtl.</div>
</div>
</div>
</div>
<div id="anchor4">
Anchor 4.
</div>
<div id="popup3">
Popup.
</div>
<div dir="rtl" style="border: 1px solid red;">
<div dir="rtl" style="position: relative; overflow: auto; width: 150px; height: 100px; border: 1px solid black;">
<div style="height: 200px;">
<span id="anchor5">Anchor 5.</span>
</div>
<div id="popup5">
Popup.
</div>
</div>
</div>
<iframe id="iframe-standard" src="positioning_test_standard.html" class="anchorFrame">
</iframe>
<iframe id="iframe-quirk" src="positioning_test_quirk.html" class="anchorFrame">
</iframe>
<div id="popup6">Popup6</div>
<div style="position:relative;height:100px;width:100px;overflow:auto;">
I hate positioning!
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
<div id="popup7">Popup7</div>
</div>
<iframe id="nested-outer" src="positioning_test_iframe1.html"
style="overflow:auto;width:150px;height:150px;"></iframe>
<div class="outerbox" dir="rtl">
<div class="box1">
<span id="anchor8">Anchor8 RTL.</span>
</div>
<div class="box8 overflow-auto">
<div id="popup8">
<div>Popup8 rtl.</div>
</div>
<div style="width:10000px;"> </div>
</div>
</div>
<div id="test-area"></div>
<script>
// 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;
// Error bar for positions since some browsers are not super accurate
// in reporting them.
var EPSILON = 2;
var expectedFailures = new goog.testing.ExpectedFailures();
var corner = goog.positioning.Corner;
var overflow = goog.positioning.Overflow;
var testArea;
function setUp() {
window.scrollTo(0, 0);
var viewportSize = goog.dom.getViewportSize();
// Some tests need enough size viewport.
if (viewportSize.width < 600 || viewportSize.height < 600) {
window.moveTo(0, 0);
window.resizeTo(640, 640);
}
testArea = goog.dom.getElement('test-area');
}
function tearDown() {
expectedFailures.handleTearDown();
testArea.setAttribute('style', '');
testArea.innerHTML = '';
}
/**
* This is used to round pixel values on FF3 Mac.
*/
function assertRoundedEquals(a, b, c) {
function round(x) {
return goog.userAgent.GECKO && (goog.userAgent.MAC || goog.userAgent.X11) &&
goog.userAgent.isVersion('1.9') ? Math.round(x) : x;
}
if (arguments.length == 3) {
assertRoughlyEquals(a, round(b), round(c), ALLOWED_OFFSET);
} else {
assertRoughlyEquals(round(a), round(b), ALLOWED_OFFSET);
}
}
function testPositionAtAnchorLeftToRight() {
var anchor = document.getElementById('anchor1');
var popup = document.getElementById('popup1');
// Anchor top left to top left.
goog.positioning.positionAtAnchor(anchor, corner.TOP_LEFT,
popup, corner.TOP_LEFT);
var anchorRect = goog.style.getBounds(anchor);
var popupRect = goog.style.getBounds(popup);
assertRoundedEquals('Left edge of popup should line up with left edge ' +
'of anchor.',
anchorRect.left,
popupRect.left);
assertRoundedEquals('Popup should have the same y position as the anchor.',
anchorRect.top,
popupRect.top);
// Anchor top left to bottom left.
goog.positioning.positionAtAnchor(anchor, corner.BOTTOM_LEFT,
popup, corner.TOP_LEFT);
anchorRect = goog.style.getBounds(anchor);
popupRect = goog.style.getBounds(popup);
assertRoundedEquals('Left edge of popup should line up with left edge ' +
'of anchor.',
anchorRect.left,
popupRect.left);
assertRoundedEquals('Popup should be positioned just below the anchor.',
anchorRect.top + anchorRect.height,
popupRect.top);
// Anchor top left to top right.
goog.positioning.positionAtAnchor(anchor, corner.TOP_RIGHT,
popup, corner.TOP_LEFT);
anchorRect = goog.style.getBounds(anchor);
popupRect = goog.style.getBounds(popup);
assertRoundedEquals('Popup should be positioned just right of the anchor.',
anchorRect.left + anchorRect.width,
popupRect.left);
assertRoundedEquals('Popup should have the same y position as the anchor.',
anchorRect.top,
popupRect.top);
// Anchor top right to bottom right.
goog.positioning.positionAtAnchor(anchor, corner.BOTTOM_RIGHT,
popup, corner.TOP_RIGHT);
anchorRect = goog.style.getBounds(anchor);
popupRect = goog.style.getBounds(popup);
assertRoundedEquals('Right edge of popup should line up with right edge ' +
'of anchor.',
anchorRect.left + anchorRect.width,
popupRect.left + popupRect.width);
assertRoundedEquals('Popup should be positioned just below the anchor.',
anchorRect.top + anchorRect.height,
popupRect.top);
// Anchor top start to bottom start.
goog.positioning.positionAtAnchor(anchor, corner.BOTTOM_START,
popup, corner.TOP_START);
anchorRect = goog.style.getBounds(anchor);
popupRect = goog.style.getBounds(popup);
assertRoundedEquals('Left edge of popup should line up with left edge ' +
'of anchor.',
anchorRect.left,
popupRect.left);
assertRoundedEquals('Popup should be positioned just below the anchor.',
anchorRect.top + anchorRect.height,
popupRect.top);
}
function testPositionAtAnchorWithOffset() {
var anchor = document.getElementById('anchor1');
var popup = document.getElementById('popup1');
// Anchor top left to top left with an offset moving the popup away from the
// anchor.
goog.positioning.positionAtAnchor(anchor, corner.TOP_LEFT,
popup, corner.TOP_LEFT,
newCoord(-15, -20));
var anchorRect = goog.style.getBounds(anchor);
var popupRect = goog.style.getBounds(popup);
assertRoundedEquals('Left edge of popup should be fifteen pixels from ' +
'anchor.',
anchorRect.left,
popupRect.left + 15);
assertRoundedEquals('Top edge of popup should be twenty pixels from anchor.',
anchorRect.top,
popupRect.top + 20);
// Anchor top left to top left with an offset moving the popup towards the
// anchor.
goog.positioning.positionAtAnchor(anchor, corner.TOP_LEFT,
popup, corner.TOP_LEFT,
newCoord(3, 1));
anchorRect = goog.style.getBounds(anchor);
popupRect = goog.style.getBounds(popup);
assertRoundedEquals('Left edge of popup should be three pixels right of ' +
'the anchor\'s left edge',
anchorRect.left,
popupRect.left - 3);
assertRoundedEquals('Top edge of popup should be one pixel below of the ' +
'anchor\'s top edge',
anchorRect.top,
popupRect.top - 1);
}
function testPositionAtAnchorOverflowLeftEdgeRightToLeft() {
var anchor = document.getElementById('anchor5');
var popup = document.getElementById('popup5');
var status = goog.positioning.positionAtAnchor(anchor, corner.TOP_LEFT,
popup, corner.TOP_RIGHT,
undefined, undefined,
overflow.FAIL_X);
assertFalse('Positioning operation should have failed.',
(status & goog.positioning.OverflowStatus.FAILED) == 0);
// Change overflow strategy to ADJUST.
status = goog.positioning.positionAtAnchor(anchor, corner.TOP_LEFT,
popup, corner.TOP_RIGHT,
undefined, undefined,
overflow.ADJUST_X);
// Fails in Chrome because of infrastructure issues, temporarily disabled.
// See b/4274723.
expectedFailures.expectFailureFor(goog.userAgent.product.CHROME);
try {
assertTrue('Positioning operation should have been successful.',
(status & goog.positioning.OverflowStatus.FAILED) == 0);
assertTrue('Positioning operation should have been adjusted.',
(status & goog.positioning.OverflowStatus.ADJUSTED_X) != 0);
} catch (e) {
expectedFailures.handleException(e);
}
var anchorRect = goog.style.getBounds(anchor);
var popupRect = goog.style.getBounds(popup);
var parentRect = goog.style.getBounds(anchor.parentNode);
assertTrue('Position should have been adjusted so that the left edge of ' +
'the popup is left of the anchor but still within the bounding ' +
'box of the parent container.',
anchorRect.left <= popupRect.left <= parentRect.left);
}
function testPositionAtAnchorWithMargin() {
var anchor = document.getElementById('anchor1');
var popup = document.getElementById('popup1');
// Anchor top left to top left.
goog.positioning.positionAtAnchor(anchor, corner.TOP_LEFT,
popup, corner.TOP_LEFT, undefined,
new goog.math.Box(1, 2, 3, 4));
var anchorRect = goog.style.getBounds(anchor);
var popupRect = goog.style.getBounds(popup);
assertRoundedEquals('Left edge of popup should be four pixels from anchor.',
anchorRect.left,
popupRect.left - 4);
assertRoundedEquals('Top edge of popup should be one pixels from anchor.',
anchorRect.top,
popupRect.top - 1);
// Anchor top right to bottom right.
goog.positioning.positionAtAnchor(anchor, corner.BOTTOM_RIGHT,
popup, corner.TOP_RIGHT, undefined,
new goog.math.Box(1, 2, 3, 4));
anchorRect = goog.style.getBounds(anchor);
popupRect = goog.style.getBounds(popup);
var visibleAnchorRect = goog.positioning.getVisiblePart_(anchor);
assertRoundedEquals('Right edge of popup should line up with right edge ' +
'of anchor.',
visibleAnchorRect.left + visibleAnchorRect.width,
popupRect.left + popupRect.width + 2);
assertRoundedEquals('Popup should be positioned just below the anchor.',
visibleAnchorRect.top + visibleAnchorRect.height,
popupRect.top - 1);
}
function testPositionAtAnchorRightToLeft() {
if (goog.userAgent.IE && goog.userAgent.isVersion('6')) {
// These tests fails with IE6.
// TODO(user): Investigate the reason.
return;
}
var anchor = document.getElementById('anchor2');
var popup = document.getElementById('popup2');
// Anchor top left to top left.
goog.positioning.positionAtAnchor(anchor, corner.TOP_LEFT,
popup, corner.TOP_LEFT);
var anchorRect = goog.style.getBounds(anchor);
var popupRect = goog.style.getBounds(popup);
assertRoundedEquals('Left edge of popup should line up with left edge ' +
'of anchor.',
anchorRect.left,
popupRect.left);
assertRoundedEquals('Popup should have the same y position as the anchor.',
anchorRect.top,
popupRect.top);
// Anchor top start to bottom start.
goog.positioning.positionAtAnchor(anchor, corner.BOTTOM_START,
popup, corner.TOP_START);
anchorRect = goog.style.getBounds(anchor);
popupRect = goog.style.getBounds(popup);
assertRoundedEquals('Right edge of popup should line up with right edge ' +
'of anchor.',
anchorRect.left + anchorRect.width,
popupRect.left + popupRect.width);
assertRoundedEquals('Popup should be positioned just below the anchor.',
anchorRect.top + anchorRect.height,
popupRect.top);
}
function testPositionAtAnchorRightToLeftWithScroll() {
if (goog.userAgent.IE && goog.userAgent.isVersion('6')) {
// These tests fails with IE6.
// TODO(user): Investigate the reason.
return;
}
var anchor = document.getElementById('anchor8');
var popup = document.getElementById('popup8');
// Anchor top left to top left.
goog.positioning.positionAtAnchor(anchor, corner.TOP_LEFT,
popup, corner.TOP_LEFT);
var anchorRect = goog.style.getBounds(anchor);
var popupRect = goog.style.getBounds(popup);
assertRoundedEquals('Left edge of popup should line up with left edge ' +
'of anchor.',
anchorRect.left,
popupRect.left);
assertRoundedEquals('Popup should have the same y position as the anchor.',
anchorRect.top,
popupRect.top);
// Anchor top start to bottom start.
goog.positioning.positionAtAnchor(anchor, corner.BOTTOM_START,
popup, corner.TOP_START);
anchorRect = goog.style.getBounds(anchor);
popupRect = goog.style.getBounds(popup);
var visibleAnchorRect = goog.positioning.getVisiblePart_(anchor);
var visibleAnchorBox = visibleAnchorRect.toBox();
assertRoundedEquals('Right edge of popup should line up with right edge ' +
'of anchor.',
anchorRect.left + anchorRect.width,
popupRect.left + popupRect.width);
assertRoundedEquals('Popup should be positioned just below the anchor.',
visibleAnchorBox.bottom,
popupRect.top);
}
function testPositionAtAnchorBodyViewport() {
var anchor = document.getElementById('anchor1');
var popup = document.getElementById('popup3');
// Anchor top left to top left.
goog.positioning.positionAtAnchor(anchor, corner.TOP_LEFT,
popup, corner.TOP_LEFT);
var anchorRect = goog.style.getBounds(anchor);
var popupRect = goog.style.getBounds(popup);
assertEquals('Left edge of popup should line up with left edge of anchor.',
anchorRect.left,
popupRect.left);
assertEquals('Popup should have the same y position as the anchor.',
anchorRect.top,
popupRect.top);
// Anchor top start to bottom right.
goog.positioning.positionAtAnchor(anchor, corner.BOTTOM_RIGHT,
popup, corner.TOP_RIGHT);
anchorRect = goog.style.getBounds(anchor);
popupRect = goog.style.getBounds(popup);
assertEquals('Right edge of popup should line up with right edge of anchor.',
anchorRect.left + anchorRect.width,
popupRect.left + popupRect.width);
assertEquals('Popup should be positioned just below the anchor.',
anchorRect.top + anchorRect.height,
popupRect.top);
// Anchor top right to top left.
goog.positioning.positionAtAnchor(anchor, corner.TOP_LEFT,
popup, corner.TOP_RIGHT);
anchorRect = goog.style.getBounds(anchor);
popupRect = goog.style.getBounds(popup);
assertEquals('Right edge of popup should line up with left edge of anchor.',
anchorRect.left,
popupRect.left + popupRect.width);
assertEquals('Popup should have the same y position as the anchor.',
anchorRect.top,
popupRect.top);
}
function testPositionAtAnchorSpecificViewport() {
var anchor = document.getElementById('anchor1');
var popup = document.getElementById('popup3');
// Anchor top right to top left within outerbox.
var status = goog.positioning.positionAtAnchor(anchor, corner.TOP_LEFT,
popup, corner.TOP_RIGHT,
undefined, undefined,
overflow.FAIL_X);
anchorRect = goog.style.getBounds(anchor);
popupRect = goog.style.getBounds(popup);
assertTrue('Positioning operation should have been successful.',
(status & goog.positioning.OverflowStatus.FAILED) == 0);
assertTrue('X position should not have been adjusted.',
(status & goog.positioning.OverflowStatus.ADJUSTED_X) == 0);
assertTrue('Y position should not have been adjusted.',
(status & goog.positioning.OverflowStatus.ADJUSTED_Y) == 0);
assertEquals('Right edge of popup should line up with left edge of anchor.',
anchorRect.left,
popupRect.left + popupRect.width);
assertEquals('Popup should have the same y position as the anchor.',
anchorRect.top,
popupRect.top);
// position again within box1.
var box = document.getElementById('box1');
var viewport = goog.style.getBounds(box);
status = goog.positioning.positionAtAnchor(anchor, corner.TOP_LEFT,
popup, corner.TOP_RIGHT,
undefined, undefined,
overflow.FAIL_X, undefined,
viewport);
assertFalse('Positioning operation should have failed.',
(status & goog.positioning.OverflowStatus.FAILED) == 0);
// Change overflow strategy to adjust.
status = goog.positioning.positionAtAnchor(anchor, corner.TOP_LEFT,
popup, corner.TOP_RIGHT,
undefined, undefined,
overflow.ADJUST_X, undefined,
viewport);
anchorRect = goog.style.getBounds(anchor);
popupRect = goog.style.getBounds(popup);
assertTrue('Positioning operation should have been successful.',
(status & goog.positioning.OverflowStatus.FAILED) == 0);
assertFalse('X position should have been adjusted.',
(status & goog.positioning.OverflowStatus.ADJUSTED_X) == 0);
assertTrue('Y position should not have been adjusted.',
(status & goog.positioning.OverflowStatus.ADJUSTED_Y) == 0);
assertRoughlyEquals(
'Left edge of popup should line up with left edge of viewport.',
viewport.left, popupRect.left, EPSILON);
assertEquals('Popup should have the same y position as the anchor.',
anchorRect.top,
popupRect.top);
}
function testPositionAtAnchorOutsideViewport() {
var anchor = document.getElementById('anchor4');
var popup = document.getElementById('popup1');
var status = goog.positioning.positionAtAnchor(anchor, corner.TOP_LEFT,
popup, corner.TOP_RIGHT);
var anchorRect = goog.style.getBounds(anchor);
var popupRect = goog.style.getBounds(popup);
assertTrue('Positioning operation should have been successful.',
(status & goog.positioning.OverflowStatus.FAILED) == 0);
assertTrue('X position should not have been adjusted.',
(status & goog.positioning.OverflowStatus.ADJUSTED_X) == 0);
assertTrue('Y position should not have been adjusted.',
(status & goog.positioning.OverflowStatus.ADJUSTED_Y) == 0);
assertEquals('Right edge of popup should line up with left edge of anchor.',
anchorRect.left,
popupRect.left + popupRect.width);
// Change overflow strategy to fail.
status = goog.positioning.positionAtAnchor(anchor, corner.BOTTOM_RIGHT,
popup, corner.TOP_RIGHT,
undefined, undefined,
overflow.FAIL_X);
assertFalse('Positioning operation should have failed.',
(status & goog.positioning.OverflowStatus.FAILED) == 0);
// Change overflow strategy to adjust.
status = goog.positioning.positionAtAnchor(anchor, corner.BOTTOM_RIGHT,
popup, corner.TOP_RIGHT,
undefined, undefined,
overflow.ADJUST_X);
anchorRect = goog.style.getBounds(anchor);
popupRect = goog.style.getBounds(popup);
assertTrue('Positioning operation should have been successful.',
(status & goog.positioning.OverflowStatus.FAILED) == 0);
assertFalse('X position should have been adjusted.',
(status & goog.positioning.OverflowStatus.ADJUSTED_X) == 0);
assertTrue('Y position should not have been adjusted.',
(status & goog.positioning.OverflowStatus.ADJUSTED_Y) == 0);
assertRoughlyEquals(
'Left edge of popup should line up with left edge of viewport.',
0, popupRect.left, EPSILON);
assertEquals('Popup should be positioned just below the anchor.',
anchorRect.top + anchorRect.height,
popupRect.top);
}
function testAdjustForViewportFailIgnore() {
var f = goog.positioning.adjustForViewport_;
var viewport = new goog.math.Box(100, 200, 200, 100);
var overflow = goog.positioning.Overflow.IGNORE;
var pos = newCoord(150, 150);
var size = newSize(50, 50);
assertEquals('Viewport overflow should be ignored.',
goog.positioning.OverflowStatus.NONE,
f(pos, size, viewport, overflow));
pos = newCoord(150, 150);
size = newSize(100, 50);
assertEquals('Viewport overflow should be ignored.',
goog.positioning.OverflowStatus.NONE,
f(pos, size, viewport, overflow));
pos = newCoord(50, 50);
size = newSize(50, 50);
assertEquals('Viewport overflow should be ignored.',
goog.positioning.OverflowStatus.NONE,
f(pos, size, viewport, overflow));
}
function testAdjustForViewportFailXY() {
var f = goog.positioning.adjustForViewport_;
var viewport = new goog.math.Box(100, 200, 200, 100);
var overflow = goog.positioning.Overflow.FAIL_X |
goog.positioning.Overflow.FAIL_Y;
var pos = newCoord(150, 150);
var size = newSize(50, 50);
assertEquals('Element should not overflow viewport.',
goog.positioning.OverflowStatus.NONE,
f(pos, size, viewport, overflow));
pos = newCoord(150, 150);
size = newSize(100, 50);
assertEquals('Element should overflow the right edge of viewport.',
goog.positioning.OverflowStatus.FAILED_RIGHT,
f(pos, size, viewport, overflow));
pos = newCoord(150, 150);
size = newSize(50, 100);
assertEquals('Element should overflow the bottom edge of viewport.',
goog.positioning.OverflowStatus.FAILED_BOTTOM,
f(pos, size, viewport, overflow));
pos = newCoord(50, 150);
size = newSize(50, 50);
assertEquals('Element should overflow the left edge of viewport.',
goog.positioning.OverflowStatus.FAILED_LEFT,
f(pos, size, viewport, overflow));
pos = newCoord(150, 50);
size = newSize(50, 50);
assertEquals('Element should overflow the top edge of viewport.',
goog.positioning.OverflowStatus.FAILED_TOP,
f(pos, size, viewport, overflow));
pos = newCoord(50, 50);
size = newSize(50, 50);
assertEquals('Element should overflow the left & top edges of viewport.',
goog.positioning.OverflowStatus.FAILED_LEFT |
goog.positioning.OverflowStatus.FAILED_TOP,
f(pos, size, viewport, overflow));
}
function testAdjustForViewportAdjustXFailY() {
var f = goog.positioning.adjustForViewport_;
var viewport = new goog.math.Box(100, 200, 200, 100);
var overflow = goog.positioning.Overflow.ADJUST_X |
goog.positioning.Overflow.FAIL_Y;
var pos = newCoord(150, 150);
var size = newSize(50, 50);
assertEquals('Element should not overflow viewport.',
goog.positioning.OverflowStatus.NONE,
f(pos, size, viewport, overflow));
assertEquals('X Position should not have been changed.', 150, pos.x);
assertEquals('Y Position should not have been changed.', 150, pos.y);
pos = newCoord(150, 150);
size = newSize(100, 50);
assertEquals('Element position should be adjusted not to overflow right ' +
'edge of viewport.',
goog.positioning.OverflowStatus.ADJUSTED_X,
f(pos, size, viewport, overflow));
assertEquals('X Position should be adjusted to 100.', 100, pos.x);
assertEquals('Y Position should not have been changed.', 150, pos.y);
pos = newCoord(50, 150);
size = newSize(100, 50);
assertEquals('Element position should be adjusted not to overflow left ' +
'edge of viewport.',
goog.positioning.OverflowStatus.ADJUSTED_X,
f(pos, size, viewport, overflow));
assertEquals('X Position should be adjusted to 100.', 100, pos.x);
assertEquals('Y Position should not have been changed.', 150, pos.y);
pos = newCoord(50, 50);
size = newSize(100, 50);
assertEquals('Element position should be adjusted not to overflow left ' +
'edge of viewport, should overflow bottom edge.',
goog.positioning.OverflowStatus.ADJUSTED_X |
goog.positioning.OverflowStatus.FAILED_TOP,
f(pos, size, viewport, overflow));
assertEquals('X Position should be adjusted to 100.', 100, pos.x);
assertEquals('Y Position should not have been changed.', 50, pos.y);
}
function testAdjustForViewportResizeHeight() {
var f = goog.positioning.adjustForViewport_;
var viewport = new goog.math.Box(0, 200, 200, 0);
var overflow = goog.positioning.Overflow.RESIZE_HEIGHT;
var pos = newCoord(150, 150);
var size = newSize(25, 100);
assertEquals('Viewport height should be resized.',
goog.positioning.OverflowStatus.HEIGHT_ADJUSTED,
f(pos, size, viewport, overflow));
assertEquals('Height should be resized to 50.',
50, size.height);
var pos = newCoord(0, 0);
var size = newSize(50, 250);
assertEquals('Viewport height should be resized.',
goog.positioning.OverflowStatus.HEIGHT_ADJUSTED,
f(pos, size, viewport, overflow));
assertEquals('Height should be resized to 200.',
200, size.height);
var pos = newCoord(0, -50);
var size = newSize(50, 240);
assertEquals('Viewport height should be resized.',
goog.positioning.OverflowStatus.HEIGHT_ADJUSTED,
f(pos, size, viewport, overflow));
assertEquals('Height should be resized to 190.',
190, size.height);
pos = newCoord(150, 150);
size = newSize(50, 50);
assertEquals('No Viewport overflow.',
goog.positioning.OverflowStatus.NONE,
f(pos, size, viewport, overflow));
}
function testPositionAtCoordinateResizeHeight() {
var f = goog.positioning.positionAtCoordinate;
var viewport = new goog.math.Box(0, 50, 50, 0);
var overflow = goog.positioning.Overflow.RESIZE_HEIGHT |
goog.positioning.Overflow.ADJUST_Y;
var popup = document.getElementById('popup1');
var corner = goog.positioning.Corner.BOTTOM_LEFT;
var pos = newCoord(100, 100);
assertEquals('Viewport height should be resized.',
goog.positioning.OverflowStatus.HEIGHT_ADJUSTED |
goog.positioning.OverflowStatus.ADJUSTED_Y,
f(pos, popup, corner, undefined, viewport, overflow));
var bounds = goog.style.getSize(popup);
assertEquals('Height should be resized to the size of the viewport.',
50, bounds.height);
}
function testGetEffectiveCornerLeftToRight() {
var f = goog.positioning.getEffectiveCorner;
var el = document.getElementById('ltr');
assertEquals('TOP_LEFT should be unchanged for ltr.',
corner.TOP_LEFT,
f(el, corner.TOP_LEFT));
assertEquals('TOP_RIGHT should be unchanged for ltr.',
corner.TOP_RIGHT,
f(el, corner.TOP_RIGHT));
assertEquals('BOTTOM_LEFT should be unchanged for ltr.',
corner.BOTTOM_LEFT,
f(el, corner.BOTTOM_LEFT));
assertEquals('BOTTOM_RIGHT should be unchanged for ltr.',
corner.BOTTOM_RIGHT,
f(el, corner.BOTTOM_RIGHT));
assertEquals('TOP_START should be TOP_LEFT for ltr.',
corner.TOP_LEFT,
f(el, corner.TOP_START));
assertEquals('TOP_END should be TOP_RIGHT for ltr.',
corner.TOP_RIGHT,
f(el, corner.TOP_END));
assertEquals('BOTTOM_START should be BOTTOM_LEFT for ltr.',
corner.BOTTOM_LEFT,
f(el, corner.BOTTOM_START));
assertEquals('BOTTOM_END should be BOTTOM_RIGHT for ltr.',
corner.BOTTOM_RIGHT,
f(el, corner.BOTTOM_END));
}
function testGetEffectiveCornerRightToLeft() {
var f = goog.positioning.getEffectiveCorner;
var el = document.getElementById('rtl');
assertEquals('TOP_LEFT should be unchanged for rtl.',
corner.TOP_LEFT,
f(el, corner.TOP_LEFT));
assertEquals('TOP_RIGHT should be unchanged for rtl.',
corner.TOP_RIGHT,
f(el, corner.TOP_RIGHT));
assertEquals('BOTTOM_LEFT should be unchanged for rtl.',
corner.BOTTOM_LEFT,
f(el, corner.BOTTOM_LEFT));
assertEquals('BOTTOM_RIGHT should be unchanged for rtl.',
corner.BOTTOM_RIGHT,
f(el, corner.BOTTOM_RIGHT));
assertEquals('TOP_START should be TOP_RIGHT for rtl.',
corner.TOP_RIGHT,
f(el, corner.TOP_START));
assertEquals('TOP_END should be TOP_LEFT for rtl.',
corner.TOP_LEFT,
f(el, corner.TOP_END));
assertEquals('BOTTOM_START should be BOTTOM_RIGHT for rtl.',
corner.BOTTOM_RIGHT,
f(el, corner.BOTTOM_START));
assertEquals('BOTTOM_END should be BOTTOM_LEFT for rtl.',
corner.BOTTOM_LEFT,
f(el, corner.BOTTOM_END));
}
function testFlipCornerHorizontal() {
var f = goog.positioning.flipCornerHorizontal;
assertEquals('TOP_LEFT should be flipped to TOP_RIGHT.',
corner.TOP_RIGHT,
f(corner.TOP_LEFT));
assertEquals('TOP_RIGHT should be flipped to TOP_LEFT.',
corner.TOP_LEFT,
f(corner.TOP_RIGHT));
assertEquals('BOTTOM_LEFT should be flipped to BOTTOM_RIGHT.',
corner.BOTTOM_RIGHT,
f(corner.BOTTOM_LEFT));
assertEquals('BOTTOM_RIGHT should be flipped to BOTTOM_LEFT.',
corner.BOTTOM_LEFT,
f(corner.BOTTOM_RIGHT));
assertEquals('TOP_START should be flipped to TOP_END.',
corner.TOP_END,
f(corner.TOP_START));
assertEquals('TOP_END should be flipped to TOP_START.',
corner.TOP_START,
f(corner.TOP_END));
assertEquals('BOTTOM_START should be flipped to BOTTOM_END.',
corner.BOTTOM_END,
f(corner.BOTTOM_START));
assertEquals('BOTTOM_END should be flipped to BOTTOM_START.',
corner.BOTTOM_START,
f(corner.BOTTOM_END));
}
function testFlipCornerVertical() {
var f = goog.positioning.flipCornerVertical;
assertEquals('TOP_LEFT should be flipped to BOTTOM_LEFT.',
corner.BOTTOM_LEFT,
f(corner.TOP_LEFT));
assertEquals('TOP_RIGHT should be flipped to BOTTOM_RIGHT.',
corner.BOTTOM_RIGHT,
f(corner.TOP_RIGHT));
assertEquals('BOTTOM_LEFT should be flipped to TOP_LEFT.',
corner.TOP_LEFT,
f(corner.BOTTOM_LEFT));
assertEquals('BOTTOM_RIGHT should be flipped to TOP_RIGHT.',
corner.TOP_RIGHT,
f(corner.BOTTOM_RIGHT));
assertEquals('TOP_START should be flipped to BOTTOM_START.',
corner.BOTTOM_START,
f(corner.TOP_START));
assertEquals('TOP_END should be flipped to BOTTOM_END.',
corner.BOTTOM_END,
f(corner.TOP_END));
assertEquals('BOTTOM_START should be flipped to TOP_START.',
corner.TOP_START,
f(corner.BOTTOM_START));
assertEquals('BOTTOM_END should be flipped to TOP_END.',
corner.TOP_END,
f(corner.BOTTOM_END));
}
function testFlipCorner() {
var f = goog.positioning.flipCorner;
assertEquals('TOP_LEFT should be flipped to BOTTOM_RIGHT.',
corner.BOTTOM_RIGHT,
f(corner.TOP_LEFT));
assertEquals('TOP_RIGHT should be flipped to BOTTOM_LEFT.',
corner.BOTTOM_LEFT,
f(corner.TOP_RIGHT));
assertEquals('BOTTOM_LEFT should be flipped to TOP_RIGHT.',
corner.TOP_RIGHT,
f(corner.BOTTOM_LEFT));
assertEquals('BOTTOM_RIGHT should be flipped to TOP_LEFT.',
corner.TOP_LEFT,
f(corner.BOTTOM_RIGHT));
assertEquals('TOP_START should be flipped to BOTTOM_END.',
corner.BOTTOM_END,
f(corner.TOP_START));
assertEquals('TOP_END should be flipped to BOTTOM_START.',
corner.BOTTOM_START,
f(corner.TOP_END));
assertEquals('BOTTOM_START should be flipped to TOP_END.',
corner.TOP_END,
f(corner.BOTTOM_START));
assertEquals('BOTTOM_END should be flipped to TOP_START.',
corner.TOP_START,
f(corner.BOTTOM_END));
}
function testPositionAtAnchorFrameViewportStandard() {
var iframe = document.getElementById('iframe-standard');
var iframeDoc = goog.dom.getFrameContentDocument(iframe);
assertTrue(new goog.dom.DomHelper(iframeDoc).isCss1CompatMode());
new goog.dom.DomHelper(iframeDoc).getDocumentScrollElement().scrollTop = 100;
var anchor = iframeDoc.getElementById('anchor1');
var popup = document.getElementById('popup6');
var status = goog.positioning.positionAtAnchor(
anchor, corner.TOP_RIGHT, popup, corner.BOTTOM_RIGHT);
var iframeRect = goog.style.getBounds(iframe);
var popupRect = goog.style.getBounds(popup);
assertEquals('Status should not have any ADJUSTED and FAILED.',
goog.positioning.OverflowStatus.NONE, status);
assertRoundedEquals('Popup should be positioned just above the iframe, ' +
'not above the anchor element inside the iframe',
iframeRect.top,
popupRect.top + popupRect.height);
}
function testPositionAtAnchorFrameViewportQuirk() {
var iframe = document.getElementById('iframe-quirk');
var iframeDoc = goog.dom.getFrameContentDocument(iframe);
assertFalse(new goog.dom.DomHelper(iframeDoc).isCss1CompatMode());
window.scrollTo(0, 100);
new goog.dom.DomHelper(iframeDoc).getDocumentScrollElement().scrollTop = 100;
var anchor = iframeDoc.getElementById('anchor1');
var popup = document.getElementById('popup6');