jquery/build/speed/benchmarker.js
2009-01-12 00:24:36 +00:00

159 lines
6.3 KiB
JavaScript
Executable file

jQuery.benchmarker.tests = [
"*",
"body", "body div", "div",
"div div div", "div div", ".dialog", "div.dialog", "div .dialog",
"#speech5", "div#speech5", "div #speech5", "div > div", "div.scene div.dialog",
"div#scene1.scene div.dialog div.direction", "#scene1 #speech1", "body > div.dialog div div#speech5",
"div:not(#speech5)", "div:not(.dialog)",
"div:nth-child(even)", "div:nth-child(odd)",
"div:nth-child(1)", "div:nth-child(2n)",
"div:nth-child(2n+3)", "div:first-child",
"div:last-child", "div:only-child",
"div:contains(CELIA)",
"div ~ div", "div + div",
"div[class]", "div[class=dialog]", "div[class!=dialog]",
"div[class^=dialog]", "div[class$=dialog]", "div[class*=dialog]"
]
jQuery.fn.benchmark = function() {
this.each(function() {
try {
jQuery(this).parent().children("*:gt(1)").remove();
} catch(e) { }
})
// set # times to run the test in index.html
var times = parseInt(jQuery("#times").val());
jQuery.benchmarker.startingList = this.get();
benchmark(this.get(), times, jQuery.benchmarker.libraries);
}
jQuery(function() {
for(i = 0; i < jQuery.benchmarker.tests.length; i++) {
jQuery("tbody").append("<tr><td class='test'>" + jQuery.benchmarker.tests[i] + "</td></tr>");
}
jQuery("tbody tr:first-child").remove();
jQuery("td.test").before("<td><input type='checkbox' checked='checked' /></td>");
jQuery("button.runTests").bind("click", function() {
jQuery('td:has(input:checked) + td.test').benchmark();
});
jQuery("button.retryTies").bind("click", function() { jQuery("tr:has(td.tie) td.test").benchmark() })
jQuery("button.selectAll").bind("click", function() { jQuery("input[type=checkbox]").each(function() { this.checked = true }) })
jQuery("button.deselectAll").bind("click", function() { jQuery("input[type=checkbox]").each(function() { this.checked = false }) })
jQuery("#addTest").bind("click", function() {
jQuery("table").append("<tr><td><input type='checkbox' /></td><td><input type='text' /><button>Add</button></td></tr>");
jQuery("div#time-test > button").each(function() { this.disabled = true; })
jQuery("tbody tr:last button").bind("click", function() {
var td = jQuery(this).parent();
td.html("<button>-</button>" + jQuery(this).prev().val()).addClass("test");
jQuery("div#time-test > button").each(function() { this.disabled = false; })
jQuery("button", td).bind("click", function() { jQuery(this).parents("tr").remove(); })
})
})
var headers = jQuery.map(jQuery.benchmarker.libraries, function(i,n) {
var extra = n == 0 ? "basis - " : "";
return "<th>" + extra + i + "</th>"
}).join("");
jQuery("thead tr").append(headers);
var footers = "";
for(i = 0; i < jQuery.benchmarker.libraries.length; i++)
footers += "<th></th>"
var wlfooters = "";
for(i = 0; i < jQuery.benchmarker.libraries.length; i++)
wlfooters += "<td><span class='wins'>W</span> / <span class='fails'>F</span></th>"
jQuery("tfoot tr:first").append(footers);
jQuery("tfoot tr:last").append(wlfooters);
});
benchmark = function(list, times, libraries) {
if(list[0]) {
var times = times || 50;
var el = list[0];
var code = jQuery(el).text().replace(/^-/, "");
var timeArr = []
for(i = 0; i < times + 2; i++) {
var time = new Date()
try {
window[libraries[0]](code);
} catch(e) { }
timeArr.push(new Date() - time);
}
var diff = Math.sum(timeArr) - Math.max.apply( Math, timeArr )
- Math.min.apply( Math, timeArr );
try {
var libRes = window[libraries[0]](code);
var jqRes = jQuery(code);
if(((jqRes.length == 0) && (libRes.length != 0)) ||
(libRes.length > 0 && (jqRes.length == libRes.length)) ||
((libraries[0] == "cssQuery" || libraries[0] == "jQuery") && code.match(/nth\-child/) && (libRes.length > 0)) ||
((libraries[0] == "jQold") && jqRes.length > 0)) {
jQuery(el).parent().append("<td>" + Math.round(diff / times * 100) / 100 + "ms</td>");
} else {
jQuery(el).parent().append("<td class='fail'>FAIL</td>");
}
} catch(e) {
jQuery(el).parent().append("<td class='fail'>FAIL</td>");
}
setTimeout(benchmarkList(list, times, libraries), 100);
} else if(libraries[1]) {
benchmark(jQuery.benchmarker.startingList, times, libraries.slice(1));
} else {
jQuery("tbody tr").each(function() {
var winners = jQuery("td:gt(1)", this).min(2);
if(winners.length == 1) winners.addClass("winner");
else winners.addClass("tie");
});
setTimeout(count, 100);
}
}
function benchmarkList(list, times, libraries) {
return function() {
benchmark(list.slice(1), times, libraries);
}
}
function count() {
for(i = 3; i <= jQuery.benchmarker.libraries.length + 2 ; i++) {
var fails = jQuery("td:nth-child(" + i + ").fail").length;
var wins = jQuery("td:nth-child(" + i + ").winner").length;
jQuery("tfoot tr:first th:eq(" + (i - 1) + ")")
.html("<span class='wins'>" + wins + "</span> / <span class='fails'>" + fails + "</span>");
}
}
jQuery.fn.maxmin = function(tolerance, maxmin, percentage) {
tolerance = tolerance || 0;
var target = Math[maxmin].apply(Math, jQuery.map(this, function(i) {
var parsedNum = parseFloat(i.innerHTML.replace(/[^\.\d]/g, ""));
if(parsedNum || (parsedNum == 0)) return parsedNum;
}));
return this.filter(function() {
if( withinTolerance(parseFloat(this.innerHTML.replace(/[^\.\d]/g, "")), target, tolerance, percentage) ) return true;
})
}
jQuery.fn.max = function(tolerance, percentage) { return this.maxmin(tolerance, "max", percentage) }
jQuery.fn.min = function(tolerance, percentage) { return this.maxmin(tolerance, "min", percentage) }
function withinTolerance(number, target, tolerance, percentage) {
if(percentage) { var high = target + ((tolerance / 100) * target); var low = target - ((tolerance / 100) * target); }
else { var high = target + tolerance; var low = target - tolerance; }
if(number >= low && number <= high) return true;
}
Math.sum = function(arr) {
var sum = 0;
for(i = 0; i < arr.length; i++) sum += arr[i];
return sum;
}