blob: 459c2f456e9c62462c4239e1dd9932f8b30702f5 [file] [log] [blame]
(function() {
function createElement(tag, parent, className, id) {
var el = document.createElement(tag);
el.className = className;
if (id)
el.id = id;
parent.appendChild(el);
return el;
}
function createSet(width, height, nested) {
var container = createElement("div", document.body, "container");
for (var y = 0; y < height; ++y) {
for (var x = 0; x < width; ++x)
createElement("div", container, "float", "float" + x + "_" + y);
var nestedContainer = container;
for ( ; nested > 0; --nested)
nestedContainer = createElement("div", nestedContainer, "nested", "nested" + x + "_" + nested);
createElement("div", container, "float-end", "end" + x)
}
return container;
}
function toggle(str, str1, str2) {
return str == str1 ? str2 : str1;
}
function resetTest() {
PerfTestRunner.resetRandomSeed();
var list = document.querySelectorAll(".float.big");
for (var i = 0; i < list.length; ++i)
list[i].className = "float";
}
function createTestFunction(width, height, nested, runs) {
var container = createSet(width, height, nested);
nested = nested || 0;
runs = runs || 10;
return function() {
container.style.display = "block";
for (var i = 0; i < runs; ++i) {
var x = Math.floor(Math.random() * width);
var y = Math.floor(Math.random() * height);
var el = document.getElementById("float" + x + "_" + y);
el.className = toggle(el.className, "float", "float big");
// Force a layout.
container.clientHeight;
}
resetTest();
container.style.display = "none";
}
}
window.createFloatsLayoutTestFunction = createTestFunction;
})();