cryptpad/www/common/TypingTests.js

105 lines
2.7 KiB
JavaScript

define(function () {
var setRandomizedInterval = function (func, target, range) {
var timeout;
var again = function () {
timeout = setTimeout(function () {
again();
func();
}, target - (range / 2) + Math.random() * range);
};
again();
return {
cancel: function () {
if (timeout) {
clearTimeout(timeout);
timeout = undefined;
}
}
};
};
var testInput = function (doc, el, offset, cb) {
var i = 0,
j = offset,
input = " The quick red fox jumps over the lazy brown dog.",
l = input.length,
errors = 0,
max_errors = 15,
interval;
var cancel = function () {
if (interval) { interval.cancel(); }
};
interval = setRandomizedInterval(function () {
cb();
try {
el.replaceData(Math.min(j, el.length), 0, input.charAt(i));
} catch (err) {
errors++;
if (errors >= max_errors) {
console.log("Max error number exceeded");
cancel();
}
console.error(err);
var next = document.createTextNode("");
doc.appendChild(next);
el = next;
j = -1;
}
i = (i + 1) % l;
j++;
}, 200, 50);
return {
cancel: cancel
};
};
var testPad = function (editor, onLocal) {
var i = 0,
input = " The quick red fox jumps over the lazy brown dog.",
l = input.length,
interval;
var cancel = function () {
if (interval) { interval.cancel(); }
};
interval = setRandomizedInterval(function () {
editor.insertText(input.charAt(i));
onLocal();
i = (i + 1) % l;
}, 200, 50);
return {
cancel: cancel
};
};
var testCode = function (editor) {
var i = 0,
input = " The quick red fox jumps over the lazy brown dog.",
l = input.length,
interval;
var cancel = function () {
if (interval) { interval.cancel(); }
};
interval = setRandomizedInterval(function () {
editor.replaceSelection(input.charAt(i));
i = (i + 1) % l;
}, 200, 50);
return {
cancel: cancel
};
};
return {
testInput: testInput,
testPad: testPad,
testCode: testCode,
setRandomizedInterval: setRandomizedInterval
};
});