// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
function testAutoSize() {
var webview = document.querySelector('webview');
var minw = 1600;
var maxw = 3000;
var minh = 1600;
var maxh = 3000;
webview.addEventListener('loadstop', function(e) {
window.console.log('guest.loadstop');
// Note that we set the autosize attribute first to check incorrect
// damage buffer allocation.
//
// Consider a case where:
// Initially, <webview>.width = 300 (default width).
// Then we set
// <webview>.autosize = true
// And then we set
// <webview>.minwidth = 200
// and
// <webview>.maxwidth = 800
// If the autosize logic decided to set the width to 400 (something > 300),
// then we won't have enough memory in damage buffer to render.
// When tried manually, this would cause garbage to be rendered (around the
// bottom portion of plugin). In test we set the value to high so increase
// the chance of invalid memory access.
webview.autosize = true;
// Ask for a larger size so we can expose memory access bug.
webview.maxwidth = maxw;
webview.maxheight = maxh;
webview.minwidth = minw;
webview.minheight = minh;
});
webview.addEventListener('sizechanged', function(e) {
window.console.log('sizechanged: dimension: ' + e.newWidth + ' X ' +
e.newHeight);
chrome.test.assertTrue(e.newWidth >= minw);
chrome.test.assertTrue(e.newWidth <= maxw);
chrome.test.assertTrue(e.newHeight >= minh);
chrome.test.assertTrue(e.newHeight <= maxh);
chrome.test.succeed();
});
var longString = 'a b c d e f g h i j k l m o p q r s t u v w x y z';
for (var i = 0; i < 4; ++i) {
longString += longString;
}
webview.setAttribute('src',
'data:text/html,<body bgcolor="red">' +
'<div style="width: 400px; height: 200px;">' + longString + '</div>' +
longString + '</body>');
}
onload = function() {
chrome.test.runTests([testAutoSize]);
};
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