private static string NativeBindingTest(int count)
{
var target = new TestModel();
var model = new BindingPerformanceModel(target);
target.BindingContext = model;
var binding = new Xamarin.Forms.Binding("Property", BindingMode.TwoWay);
target.SetBinding(TestModel.ValueProperty, binding);
Stopwatch startNew = Stopwatch.StartNew();
for (int i = 0; i < count; i++)
target.Value = i % 2 == 0 ? "0" : "1";
startNew.Stop();
if (model.SetCount != count)
throw new Exception();
return startNew.Elapsed.ToString();
}
private string MugenBindingExpTest(int count)
{
var target = new TestModel(this);
var model = new BindingPerformanceModel(target);
target.Bind(() => m => m.Value)
.To(model, () => (pm, ctx) => (pm.Property ?? string.Empty).Length + pm.Property)
.Build();
Stopwatch startNew = Stopwatch.StartNew();
for (int i = 0; i < count; i++)
model.Property = i % 2 == 0 ? "0" : "1";
startNew.Stop();
if (model.SetCount != count)
throw new Exception();
return startNew.Elapsed.ToString();
}
private static string MugenBindingTest(int count)
{
var target = new TestModel();
var model = new BindingPerformanceModel(target);
target.Bind(() => t => t.Value)
.To(model, () => (vm, ctx) => vm.Property)
.TwoWay()
.Build();
Stopwatch startNew = Stopwatch.StartNew();
for (int i = 0; i < count; i++)
target.Value = i % 2 == 0 ? "0" : "1";
startNew.Stop();
if (model.SetCount != count)
throw new Exception();
return startNew.Elapsed.ToString();
}
private string NativeBindingTest(int count)
{
var target = new TestModel { Visible = true };
var model = new BindingPerformanceModel(target);
target.DataBindings.Add("Value", model, "Property", false, DataSourceUpdateMode.OnPropertyChanged);
Controls.Add(target);
Stopwatch startNew = Stopwatch.StartNew();
for (int i = 0; i < count; i++)
target.Value = i % 2 == 0 ? "0" : "1";
startNew.Stop();
Controls.Remove(target);
if (model.SetCount != count)
throw new Exception();
return startNew.Elapsed.ToString();
}
private static string NativeBindingTest(int count)
{
var target = new TestModel();
var model = new BindingPerformanceModel(target);
var binding = new Windows.UI.Xaml.Data.Binding
{
Source = model,
Mode = BindingMode.TwoWay,
Path = new PropertyPath("Property"),
UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged
};
BindingOperations.SetBinding(target, TestModel.ValueProperty, binding);
Stopwatch startNew = Stopwatch.StartNew();
for (int i = 0; i < count; i++)
target.Value = i%2 == 0 ? "0" : "1";
startNew.Stop();
if (model.SetCount != count)
throw new Exception();
return startNew.Elapsed.ToString();
}
private static string NativeBindingTest(int count)
{
var target = new TestModel();
var model = new BindingPerformanceModel(target);
var binding = new System.Windows.Data.Binding("Property")
{
Source = model,
Mode = BindingMode.TwoWay,
ValidatesOnDataErrors = false,
ValidatesOnExceptions = false,
ValidatesOnNotifyDataErrors = false
};
BindingOperations.SetBinding(target, TestModel.ValueProperty, binding);
Stopwatch startNew = Stopwatch.StartNew();
for (int i = 0; i < count; i++)
target.Value = i % 2 == 0 ? "0" : "1";
startNew.Stop();
if (model.SetCount != count)
throw new Exception();
return startNew.Elapsed.ToString();
}
private static string NoBindingTest(int count)
{
var target = new TestModel();
var model = new BindingPerformanceModel(target);
target.ValueChanged += (sender, args) => model.Property = ((TestModel)sender).Value;
Stopwatch startNew = Stopwatch.StartNew();
for (int i = 0; i < count; i++)
target.Value = i % 2 == 0 ? "0" : "1";
startNew.Stop();
if (model.SetCount != count)
throw new Exception();
return startNew.Elapsed.ToString();
}
private static string NoBindingTest(int count)
{
var target = new TestModel();
var model = new BindingPerformanceModel(target);
Stopwatch startNew = Stopwatch.StartNew();
for (int i = 0; i < count; i++)
{
string text = i % 2 == 0 ? "0" : "1";
target.Value = text;
model.Property = text;
}
startNew.Stop();
if (model.SetCount != count)
throw new Exception();
return startNew.Elapsed.ToString();
}
