public void SimplePerformanceCounterTest()
{
Stopwatch stopwatch = new Stopwatch();
ViewModelNoAutoInpc vm = new ViewModelNoAutoInpc();
stopwatch.Start();
vm = new ViewModelNoAutoInpc();
foreach (var i in Enumerable.Repeat(0, 20))
{
vm.ChangeName();
vm.ChangeSalary();
}
foreach (var i in Enumerable.Repeat(0, 20))
{
vm.Model.FirstName = "skdalfj";
vm.OnPropertyChanged("NameAndSalary");
vm.Model.LastName = "sklgjkls";
vm.OnPropertyChanged("NameAndSalary");
}
vm.Model.Salary = 21;
vm.OnPropertyChanged("NameAndSalary");
long fib = vm.Model.Fibonacci10;
double fibAvg = vm.Model.Fibonacci30Average;
stopwatch.Stop();
long noAutoElapsedTime = stopwatch.ElapsedMilliseconds;
stopwatch.Reset();
ViewModelAutoInpc autovm = new ViewModelAutoInpc();
stopwatch.Start();
autovm = new ViewModelAutoInpc();
foreach (var i in Enumerable.Repeat(0, 20))
{
autovm.ChangeName();
autovm.ChangeSalary();
}
foreach (var i in Enumerable.Repeat(0, 20))
{
autovm.Model.FirstName = DateTime.Now.Ticks.ToString();
autovm.Model.LastName = DateTime.Now.Ticks.ToString();
}
autovm.Model.Salary = 21;
fib = autovm.Model.Fibonacci10;
fibAvg = vm.Model.Fibonacci30Average;
stopwatch.Stop();
long autoElapsedTime = stopwatch.ElapsedMilliseconds;
Debug.WriteLine("Manual INPC time: {0} \n Automatic INPC time: {1}", noAutoElapsedTime, autoElapsedTime);
Assert.Less(autoElapsedTime, 4 * noAutoElapsedTime);
}
public void SimplePerformanceCounterTest()
{
Stopwatch stopwatch = new Stopwatch();
ViewModelNoAutoInpc vm = new ViewModelNoAutoInpc();
stopwatch.Start();
vm = new ViewModelNoAutoInpc();
foreach ( var i in Enumerable.Repeat( 0, 20 ) )
{
vm.ChangeName();
vm.ChangeSalary();
}
foreach (var i in Enumerable.Repeat(0, 20))
{
vm.Model.FirstName = "skdalfj";
vm.OnPropertyChanged( "NameAndSalary" );
vm.Model.LastName = "sklgjkls";
vm.OnPropertyChanged( "NameAndSalary" );
}
vm.Model.Salary = 21;
vm.OnPropertyChanged("NameAndSalary");
long fib = vm.Model.Fibonacci10;
double fibAvg = vm.Model.Fibonacci30Average;
stopwatch.Stop();
long noAutoElapsedTime = stopwatch.ElapsedMilliseconds;
stopwatch.Reset();
ViewModelAutoInpc autovm = new ViewModelAutoInpc();
stopwatch.Start();
autovm = new ViewModelAutoInpc();
foreach (var i in Enumerable.Repeat(0, 20))
{
autovm.ChangeName();
autovm.ChangeSalary();
}
foreach (var i in Enumerable.Repeat(0, 20))
{
autovm.Model.FirstName = DateTime.Now.Ticks.ToString();
autovm.Model.LastName = DateTime.Now.Ticks.ToString();
}
autovm.Model.Salary = 21;
fib = autovm.Model.Fibonacci10;
fibAvg = vm.Model.Fibonacci30Average;
stopwatch.Stop();
long autoElapsedTime = stopwatch.ElapsedMilliseconds;
Debug.WriteLine("Manual INPC time: {0} \n Automatic INPC time: {1}", noAutoElapsedTime, autoElapsedTime);
Assert.Less( autoElapsedTime, 4*noAutoElapsedTime );
}