<!DOCTYPE html>
<script src="../../resources/js-test.js"></script>
<script>
var numScrolls;
var pageHeight = 2000;
var pageWidth = 2000;
function reset()
{
window.scrollTo(0, 0);
internals.setPageScaleFactor(2);
}
// Test Document scroll seperately so we ensure it scrolls all the way in one
// shot.
function testDocumentScroll() {
internals.executeCommand(document, 'ScrollToEndOfDocument', '');
shouldBe('window.scrollY', 'pageHeight - window.innerHeight');
shouldBe('window.scrollX', '0');
internals.executeCommand(document, 'ScrollToBeginningOfDocument', '');
shouldBe('window.scrollY', '0');
shouldBe('window.scrollX', '0');
}
function testScroll(forwardCmd, backwardCmd) {
internals.executeCommand(document, forwardCmd, '');
if (internals.visualViewportScrollY() === 0) {
debug('FAIL: Command ' + forwardCmd + ' failed to scroll page at all.');
return;
}
numScrolls = Math.ceil((pageHeight - internals.visualViewportHeight()) / internals.visualViewportScrollY());
for(var i = 0; i < numScrolls - 1; ++i) {
internals.executeCommand(document, forwardCmd, '');
}
shouldBe('internals.visualViewportScrollY()', 'pageHeight - internals.visualViewportHeight()');
shouldBe('internals.visualViewportScrollX()', '0');
for(var i = 0; i < numScrolls; ++i) {
internals.executeCommand(document, backwardCmd, '');
}
shouldBe('internals.visualViewportScrollY()', '0');
shouldBe('internals.visualViewportScrollX()', '0');
}
function runTest()
{
description(
'Test that scrolling editor commands while pinch-zoomed scrolls ' +
'both viewports. To test manually, pinch zoom into the page and ' +
'use the arrow keys, page up/down, home/end to scroll the page. ' +
'You should be able to reach the end of the page bounds (i.e. ' +
'scroll to see the divs at the bounds.)');
if (window.internals) {
internals.settings.setScrollAnimatorEnabled(false);
reset();
debug('');
debug('Testing Document Scrolling:');
testDocumentScroll();
reset();
debug('');
debug('Testing Page Scrolling:');
testScroll('ScrollPageForward', 'ScrollPageBackward');
reset();
debug('');
debug('Testing Line Scrolling:');
testScroll('ScrollLineDown', 'ScrollLineUp');
}
}
addEventListener('load', runTest);
</script>
<style>
::-webkit-scrollbar {
width: 0px;
height: 0px;
}
div {
width: 200px;
height: 20px;
background-color: red;
}
html{
padding: 0px;
margin: 0px;
width: 2000px;
height: 2000px;
}
.top {
position: absolute;
top: 0px;
left: 300px;
}
.middle{
position: absolute;
top: 975px;
left: 300px;
}
.bottom {
position: absolute;
top: 1980px;
left: 300px;
}
.left {
position: absolute;
top: 275px;
left: 0px;
}
.right {
position: absolute;
top: 275px;
left: 1800px;
}
</style>
<p id="description" style="width: 800px"></p>
<p id="console" style="width: 800px"></p>
<div class="top">Top of page</div>
<div class="bottom">Bottom of page</div>
<div class="left">Left of page</div>
<div class="right">Right of page</div>
<div class="middle">Middle of page</div>