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var _recordedEvents = new Array();
// Number of events we're supposed to receive.
var _expectedEventCount = 0;
// Function invoked when we've received _expectedEventCount events.
var _endFunction;
// Have we processed the events? This is used to make sure we process the
// events only once.
var _processedEvents = false;
/* Call this function to record manually transition end events:
Function parameters:
event [required]: the event passed with "webkitTransitionEnd" or "transitionend"
*/
function recordTransitionEndEvent(event)
{
if (event.type != "webkitTransitionEnd" && event.type != "transitionend" )
throw("Invalid transition end event!");
_recordedEvents.push([
event.propertyName,
event.target.id,
Math.round(event.elapsedTime * 1000) / 1000 // round to ms to avoid floating point imprecision
]);
if (_recordedEvents.length == _expectedEventCount)
_endFunction();
}
/* This is the helper function to run transition end event tests:
Test page requirements:
- The body must contain an empty div with id "result"
- The body must contain a div with with id "container"
- Call this function directly from the <script> inside the test page
Function parameters:
expected [required]: an array of arrays defining the expected parameter values for the recorded transition end events (see below)
callback [optional]: a function to be executed just before the test starts (none by default)
Each sub-array must contain these items in this order:
- the name of the CSS property that was transitioning
- the id of the element on which the CSS property was transitioning
- the elapsed time in seconds at which the CSS property finished transitioning
- a boolean indicating if an event listener should be automatically added to the element to record the transition end event or if the script calls recordTransitionEndEvent() directly
*/
function runTransitionTest(expected, callback)
{
_expectedEventCount = expected.length;
if (window.testRunner) {
testRunner.dumpAsText();
testRunner.waitUntilDone();
}
function processEndEvents(expected)
{
if (_processedEvents)
return; // Only need to process events once
_processedEvents = true;
function compareEventInfo(e1, e2)
{
// Sort by property name then event target id
// Index 0 is the property name
if (e1[0]<e2[0]) return -1;
if (e1[0]>e2[0]) return +1;
// Index 1 is the target id
if (e1[1]<e2[1]) return -1;
if (e1[1]>e2[1]) return +1;
return 0;
}
function examineResults(results, expected)
{
// Sort recorded and expected events arrays so they have the same ordering
expected.sort(compareEventInfo);
results.sort(compareEventInfo);
var result = '<p>';
for (var i=0; i < results.length && i < expected.length; ++i) {
var pass = expected[i][0] == results[i][0] && expected[i][1] == results[i][1] && expected[i][2] == results[i][2];
if (pass)
result += "PASS --- ";
else
result += "FAIL --- ";
result += "[Expected] Property: " + expected[i][0] + " ";
result += "Target: " + expected[i][1] + " ";
result += "Elapsed Time: " + expected[i][2];
if (!pass) {
result += " --- ";
result += "[Received] Property: " + results[i][0] + " ";
result += "Target: " + results[i][1] + " ";
result += "Elapsed Time: " + results[i][2];
}
result += "<br>";
}
result += "</p>";
if (expected.length > results.length) {
result += "<p>FAIL - Missing events<br>";
for (i=results.length; i < expected.length; ++i) {
result += "[Missing] Property: " + expected[i][0] + " ";
result += "Target: " + expected[i][1] + " ";
result += "Elapsed Time: " + expected[i][2] + "<br>";
}
result += "</p>";
} else if (expected.length < results.length) {
result += "<p>FAIL - Unexpected events<br>";
for (i=expected.length; i < results.length; ++i) {
result += "[Unexpected] Property: " + results[i][0] + " ";
result += "Target: " + results[i][1] + " ";
result += "Elapsed Time: " + results[i][2] + "<br>";
}
result += "</p>";
}
return result;
}
document.body.removeChild(document.getElementById('container'));
document.getElementById('result').innerHTML = examineResults(_recordedEvents, expected);
if (window.testRunner)
testRunner.notifyDone();
}
function startTest(expected, callback, maxTime)
{
if (callback)
callback();
if (!maxTime)
maxTime = 0;
for (var i=0; i < expected.length; ++i) {
if (expected[i][3]) {
var box = document.getElementById(expected[i][1]);
box.addEventListener("webkitTransitionEnd", recordTransitionEndEvent, false);
}
var time = expected[i][2];
if (time > maxTime)
maxTime = time;
}
_endFunction = function() { processEndEvents(expected); };
// Add one second of fudge. We don't just use the run-webkit-tests timeout
// because processEndEvents gives more information on what failed.
window.setTimeout(_endFunction, maxTime * 1000 + 1000);
}
window.addEventListener('load', function() { startTest(expected, callback) }, false);
}
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