Files
jasmine/src/core/Clock.js
Javier López Pardo 81b822fea9 Add specs for mock date
2013-10-25 14:41:32 +02:00

117 lines
3.2 KiB
JavaScript

getJasmineRequireObj().Clock = function() {
function Clock(global, delayedFunctionScheduler, date) {
var self = this,
realTimingFunctions = {
setTimeout: global.setTimeout,
clearTimeout: global.clearTimeout,
setInterval: global.setInterval,
clearInterval: global.clearInterval
},
fakeTimingFunctions = {
setTimeout: setTimeout,
clearTimeout: clearTimeout,
setInterval: setInterval,
clearInterval: clearInterval
},
installed = false;
self.install = function(mockDate) {
replace(global, fakeTimingFunctions);
timer = fakeTimingFunctions;
installed = true;
if (date && mockDate) {
date.install(mockDate);
}
};
self.uninstall = function() {
delayedFunctionScheduler.reset();
if (date) {
date.uninstall();
}
replace(global, realTimingFunctions);
timer = realTimingFunctions;
installed = false;
};
self.setTimeout = function(fn, delay, params) {
if (legacyIE()) {
if (arguments.length > 2) {
throw new Error("IE < 9 cannot support extra params to setTimeout without a polyfill");
}
return timer.setTimeout(fn, delay);
}
return Function.prototype.apply.apply(timer.setTimeout, [global, arguments]);
};
self.setInterval = function(fn, delay, params) {
if (legacyIE()) {
if (arguments.length > 2) {
throw new Error("IE < 9 cannot support extra params to setInterval without a polyfill");
}
return timer.setInterval(fn, delay);
}
return Function.prototype.apply.apply(timer.setInterval, [global, arguments]);
};
self.clearTimeout = function(id) {
return Function.prototype.call.apply(timer.clearTimeout, [global, id]);
};
self.clearInterval = function(id) {
return Function.prototype.call.apply(timer.clearInterval, [global, id]);
};
self.tick = function(millis) {
if (installed) {
if (date) {
date.tick(millis);
}
delayedFunctionScheduler.tick(millis);
} else {
throw new Error("Mock clock is not installed, use jasmine.getEnv().clock.install()");
}
};
return self;
function legacyIE() {
//if these methods are polyfilled, apply will be present
//TODO: it may be difficult to load the polyfill before jasmine loads
//(env should be new-ed inside of onload)
return !(realTimingFunctions.setTimeout || realTimingFunctions.setInterval).apply;
}
function replace(dest, source) {
for (var prop in source) {
dest[prop] = source[prop];
}
}
function setTimeout(fn, delay) {
return delayedFunctionScheduler.scheduleFunction(fn, delay, argSlice(arguments, 2));
}
function clearTimeout(id) {
return delayedFunctionScheduler.removeFunctionWithId(id);
}
function setInterval(fn, interval) {
return delayedFunctionScheduler.scheduleFunction(fn, interval, argSlice(arguments, 2), true);
}
function clearInterval(id) {
return delayedFunctionScheduler.removeFunctionWithId(id);
}
function argSlice(argsObj, n) {
return Array.prototype.slice.call(argsObj, 2);
}
}
return Clock;
};