public void Binding_TwoWayFromEditTextToEditTextWithUpdateTrigger_BindingGetsUpdated()
{
var control1 = new EditText(Application.Context);
var control2 = new EditText(Application.Context);
_binding = new Binding<string, string>(
control1,
() => control1.Text,
control2,
() => control2.Text,
BindingMode.TwoWay)
.UpdateSourceTrigger<View.LongClickEventArgs>("LongClick")
.ObserveTargetEvent<View.LongClickEventArgs>("LongClick");
Assert.AreEqual(string.Empty, control1.Text);
Assert.AreEqual(control1.Text, control2.Text);
var value = DateTime.Now.Ticks.ToString();
control1.Text = value;
Assert.AreEqual(value, control1.Text);
Assert.AreEqual(string.Empty, control2.Text);
control1.PerformLongClick();
Assert.AreEqual(control1.Text, control2.Text);
var newValue = value + "Suffix";
control2.Text = newValue;
Assert.AreEqual(newValue, control2.Text);
Assert.AreEqual(value, control1.Text);
control2.PerformLongClick();
Assert.AreEqual(control2.Text, control1.Text);
}
public void SetCommand_OnBarButtonWithBinding_ParameterShouldUpdate()
{
var value = DateTime.Now.Ticks.ToString();
var vmSource = new TestViewModel
{
Model = new TestModel
{
MyProperty = value
}
};
var vmTarget = new TestViewModel();
var control = new UIBarButtonItemEx();
_binding = new Binding<string, string>(
vmSource,
() => vmSource.Model.MyProperty);
control.SetCommand(
"Clicked",
vmTarget.SetPropertyCommand,
_binding);
Assert.IsNull(vmTarget.TargetProperty);
control.PerformEvent();
Assert.AreEqual(value, vmTarget.TargetProperty);
value += "Test";
vmSource.Model.MyProperty = value;
control.PerformEvent();
Assert.AreEqual(value, vmTarget.TargetProperty);
}
public void BindingSource_NewBindingWithPrivateProperty_NoError()
{
// For comparison only
var vmSource = new TestViewModel
{
Model = new TestModel
{
MyProperty = "Initial value"
}
};
var vmTarget = new TestViewModel();
_binding = new Binding<string, string>(
vmSource,
() => vmSource.Model.MyProperty,
vmTarget,
() => vmTarget.TargetProperty);
Assert.AreEqual(vmSource.Model.MyProperty, vmTarget.TargetProperty);
var newValue1 = DateTime.Now.Ticks.ToString();
vmSource.Model.MyProperty = newValue1;
Assert.AreEqual(vmSource.Model.MyProperty, vmTarget.TargetProperty);
// Actual test
VmSourcePrivate = new TestViewModel
{
Model = new TestModel
{
MyProperty = "Initial value"
}
};
VmTarget = new TestViewModel();
_binding = new Binding<string, string>(
VmSourcePrivate,
() => VmSourcePrivate.Model.MyProperty,
VmTarget,
() => VmTarget.TargetProperty);
Assert.AreEqual(VmSourcePrivate.Model.MyProperty, VmTarget.TargetProperty);
var newValue2 = DateTime.Now.Ticks.ToString();
VmSourcePrivate.Model.MyProperty = newValue2;
Assert.AreEqual(VmSourcePrivate.Model.MyProperty, VmTarget.TargetProperty);
}
public void Binding_OneWayFromCheckBoxToCheckBoxWithUpdateTrigger_BindingGetsUpdated()
{
var control1 = new UISwitchEx();
var control2 = new UISwitchEx();
_binding = new Binding<bool, bool>(
control1,
() => control1.On,
control2,
() => control2.On);
Assert.IsFalse(control1.On);
Assert.IsFalse(control2.On);
control1.On = true;
Assert.IsTrue(control1.On);
Assert.IsTrue(control2.On);
}
public void Binding_OneWayFromCheckBoxToEditTextWithUpdateTrigger_BindingGetsUpdated()
{
var control1 = new UITextViewEx();
var control2 = new UISwitchEx();
_binding = new Binding<bool, string>(
control2,
() => control2.On,
control1,
() => control1.Text);
Assert.AreEqual("False", control1.Text);
Assert.IsFalse(control2.On);
control2.On = true;
Assert.AreEqual("True", control1.Text);
Assert.IsTrue(control2.On);
}
public void Binding_OneWayFromCheckBoxToCheckBoxWithUpdateTrigger_BindingGetsUpdated()
{
var control1 = new CheckBox(Application.Context);
var control2 = new CheckBox(Application.Context);
_binding = new Binding<bool, bool>(
control1,
() => control1.Checked,
control2,
() => control2.Checked);
Assert.IsFalse(control1.Checked);
Assert.IsFalse(control2.Checked);
control1.Checked = true;
Assert.IsTrue(control1.Checked);
Assert.IsTrue(control2.Checked);
}
public void Binding_OneWayFromCheckBoxToEditTextWithUpdateTrigger_BindingGetsUpdated()
{
var control1 = new EditText(Application.Context);
var control2 = new CheckBox(Application.Context);
_binding = new Binding<bool, string>(
control2,
() => control2.Checked,
control1,
() => control1.Text);
Assert.AreEqual("False", control1.Text);
Assert.IsFalse(control2.Checked);
control2.Checked = true;
Assert.AreEqual("True", control1.Text);
Assert.IsTrue(control2.Checked);
}
public void Binding_OneWayFromCheckBoxToEditTextWithUpdateTrigger_BindingGetsUpdated()
{
var control1 = new EditText(Application.Context);
var control2 = new CheckBox(Application.Context);
_binding = new Binding<bool, string>(
control2,
() => control2.Checked,
control1,
() => control1.Text)
.UpdateSourceTrigger(); // LostFocus doesn't work programatically with CheckBoxes
Assert.AreEqual("False", control1.Text);
Assert.IsFalse(control2.Checked);
control2.Checked = true;
Assert.IsTrue(control2.Checked);
Assert.AreEqual("True", control1.Text);
}
public void Binding_OneWayFromCheckBoxToCheckBoxWithObserveEvent_BindingGetsUpdated()
{
var control1 = new CheckBox(Application.Context);
var control2 = new CheckBox(Application.Context);
_binding = new Binding<bool, bool>(
control1,
() => control1.Checked,
control2,
() => control2.Checked)
.ObserveSourceEvent(); // LostFocus doesn't work programatically with CheckBoxes
Assert.IsFalse(control1.Checked);
Assert.IsFalse(control2.Checked);
control1.Checked = true;
Assert.IsTrue(control1.Checked);
Assert.IsTrue(control2.Checked);
}
public void Binding_OneWayFromCheckBoxToCheckBoxWithUpdateTrigger_BindingGetsUpdated()
{
var control1 = new CheckBox(Application.Context);
var control2 = new CheckBox(Application.Context);
_binding = new Binding<bool, bool>(
control1,
() => control1.Checked,
control2,
() => control2.Checked)
.UpdateSourceTrigger<CompoundButton.CheckedChangeEventArgs>("CheckedChange");
Assert.IsFalse(control1.Checked);
Assert.IsFalse(control2.Checked);
control1.Checked = true;
Assert.IsTrue(control1.Checked);
Assert.IsTrue(control2.Checked);
}
public void Binding_OneWayFromCheckBoxToCheckBoxWithObserveEvent_BindingGetsUpdated()
{
var control1 = new CheckBox(Application.Context);
var control2 = new CheckBox(Application.Context);
_binding = new Binding<bool, bool>(
control1,
() => control1.Checked,
control2,
() => control2.Checked)
.ObserveSourceEvent(UpdateTriggerMode.PropertyChanged);
Assert.IsFalse(control1.Checked);
Assert.IsFalse(control2.Checked);
control1.Checked = true;
Assert.IsTrue(control1.Checked);
Assert.IsTrue(control2.Checked);
}
public void Binding_OneWayFromCheckBoxToEditTextWithObserveEvent_BindingGetsUpdated()
{
var control1 = new EditText(Application.Context);
var control2 = new CheckBox(Application.Context);
_binding = new Binding<bool, string>(
control2,
() => control2.Checked,
control1,
() => control1.Text)
.ObserveSourceEvent<CompoundButton.CheckedChangeEventArgs>("CheckedChange");
Assert.AreEqual("False", control1.Text);
Assert.IsFalse(control2.Checked);
control2.Checked = true;
Assert.AreEqual("True", control1.Text);
Assert.IsTrue(control2.Checked);
}
public void Binding_OneWayFromEditTextToEditTextWithObserveEvent_BindingGetsUpdated()
{
var control1 = new EditText(Application.Context);
var control2 = new EditText(Application.Context);
_binding = new Binding<string, string>(
control1,
() => control1.Text,
control2,
() => control2.Text)
.ObserveSourceEvent<View.LongClickEventArgs>("LongClick");
Assert.AreEqual(string.Empty, control1.Text);
Assert.AreEqual(control1.Text, control2.Text);
var value = DateTime.Now.Ticks.ToString();
control1.Text = value;
Assert.AreEqual(value, control1.Text);
Assert.AreEqual(string.Empty, control2.Text);
control1.PerformLongClick();
Assert.AreEqual(control1.Text, control2.Text);
}
public void Binding_OneWayFromCheckBoxToViewModelWithUpdateTrigger_BindingGetsUpdated()
{
var vm = new TestViewModel
{
Model = new TestModel()
};
var control1 = new UISwitchEx();
_binding = new Binding<bool, string>(
control1,
() => control1.On,
vm,
() => vm.Model.MyProperty);
Assert.AreEqual("False", vm.Model.MyProperty);
Assert.IsFalse(control1.On);
control1.On = true;
Assert.AreEqual("True", vm.Model.MyProperty);
Assert.IsTrue(control1.On);
}
public void Binding_OneWayFromCheckBoxToViewModelWithUpdateTrigger_BindingGetsUpdated()
{
var vm = new TestViewModel
{
Model = new TestModel()
};
var control1 = new CheckBox(Application.Context);
_binding = new Binding<bool, string>(
control1,
() => control1.Checked,
vm,
() => vm.Model.MyProperty);
Assert.AreEqual("False", vm.Model.MyProperty);
Assert.IsFalse(control1.Checked);
control1.Checked = true;
Assert.AreEqual("True", vm.Model.MyProperty);
Assert.IsTrue(control1.Checked);
}
public void Binding_OneWayFromCheckBoxToViewModelWithObserveEvent_BindingGetsUpdated()
{
var vm = new TestViewModel
{
Model = new TestModel()
};
var control1 = new CheckBox(Application.Context);
_binding = new Binding<bool, string>(
control1,
() => control1.Checked,
vm,
() => vm.Model.MyProperty)
.ObserveSourceEvent(); // LostFocus doesn't work programatically with CheckBoxes
Assert.AreEqual("False", vm.Model.MyProperty);
Assert.IsFalse(control1.Checked);
control1.Checked = true;
Assert.IsTrue(control1.Checked);
Assert.AreEqual("True", vm.Model.MyProperty);
}
public void Binding_OneWayFromCheckBoxToViewModelWithObserveEvent_BindingGetsUpdated()
{
var vm = new TestViewModel
{
Model = new TestModel()
};
var control1 = new CheckBox(Application.Context);
_binding = new Binding<bool, string>(
control1,
() => control1.Checked,
vm,
() => vm.Model.MyProperty)
.ObserveSourceEvent<CompoundButton.CheckedChangeEventArgs>("CheckedChange");
Assert.AreEqual("False", vm.Model.MyProperty);
Assert.IsFalse(control1.Checked);
control1.Checked = true;
Assert.AreEqual("True", vm.Model.MyProperty);
Assert.IsTrue(control1.Checked);
}
public void BindingTarget_NewBindingWithPrivateProperty_NoError()
{
VmSource = new TestViewModel
{
Model = new TestModel
{
MyProperty = "Initial value"
}
};
VmTargetPrivate = new TestViewModel();
_binding = new Binding<string, string>(
VmSource,
() => VmSource.Model.MyProperty,
VmTargetPrivate,
() => VmTargetPrivate.TargetProperty);
Assert.AreEqual(VmSource.Model.MyProperty, VmTargetPrivate.TargetProperty);
var newValue = DateTime.Now.Ticks.ToString();
VmSource.Model.MyProperty = newValue;
Assert.AreEqual(VmSource.Model.MyProperty, VmTargetPrivate.TargetProperty);
}
public void Binding_OneWayFromEditTextToViewModelWithUpdateTrigger_BindingGetsUpdated()
{
var vm = new TestViewModel
{
Model = new TestModel()
};
var control1 = new UITextViewEx();
_binding = new Binding <string, string>(
control1,
() => control1.Text,
vm,
() => vm.Model.MyProperty);
Assert.AreEqual(string.Empty, control1.Text);
Assert.AreEqual(control1.Text, vm.Model.MyProperty);
var value = DateTime.Now.Ticks.ToString();
control1.Text = value;
Assert.AreEqual(value, control1.Text);
Assert.AreEqual(control1.Text, vm.Model.MyProperty);
}
public void Binding_OneWayFromEditTextToEditTextWithUpdateTrigger_BindingGetsUpdated()
{
var control1 = new EditText(Application.Context);
var control2 = new EditText(Application.Context);
_binding = new Binding <string, string>(
control1,
() => control1.Text,
control2,
() => control2.Text)
.UpdateSourceTrigger(UpdateTriggerMode.LostFocus);
Assert.AreEqual(string.Empty, control1.Text);
Assert.AreEqual(string.Empty, control2.Text);
var value = DateTime.Now.Ticks.ToString();
control1.RequestFocus();
control1.Text = value;
Assert.AreEqual(value, control1.Text);
Assert.AreEqual(string.Empty, control2.Text);
control1.ClearFocus();
Assert.AreEqual(control1.Text, control2.Text);
}
public void Binding_OneWayFromEditTextToViewModelWithObserveEvent_BindingGetsUpdated()
{
var vm = new TestViewModel
{
Model = new TestModel()
};
var control1 = new EditText(Application.Context);
_binding = new Binding <string, string>(
control1,
() => control1.Text,
vm,
() => vm.Model.StringProperty);
Assert.AreEqual(string.Empty, control1.Text);
Assert.AreEqual(control1.Text, vm.Model.StringProperty);
var value = DateTime.Now.Ticks.ToString();
control1.Text = value;
Assert.AreEqual(value, control1.Text);
Assert.AreEqual(control1.Text, vm.Model.StringProperty);
}
public void Binding_OneWayFromEditTextToCheckBoxWithUpdateTrigger_BindingGetsUpdated()
{
var control1 = new EditText(Application.Context);
var control2 = new CheckBox(Application.Context);
_binding = new Binding <string, bool>(
control1,
() => control1.Text,
control2,
() => control2.Checked)
.UpdateSourceTrigger(UpdateTriggerMode.LostFocus);
Assert.AreEqual(string.Empty, control1.Text);
Assert.IsFalse(control2.Checked);
var value = "True";
control1.RequestFocus();
control1.Text = value;
Assert.AreEqual(value, control1.Text);
Assert.IsFalse(control2.Checked);
control1.ClearFocus();
Assert.IsTrue(control2.Checked);
}
public void Binding_OneWayFromViewModelToEditText_BindingGetsUpdated()
{
var vm = new TestViewModel
{
Model = new TestModel()
};
var control1 = new UITextViewEx();
_binding = new Binding <string, string>(
vm,
() => vm.Model.StringProperty,
control1,
() => control1.Text);
Assert.AreEqual(null, vm.Model.StringProperty);
Assert.AreEqual(string.Empty, control1.Text);
var value = DateTime.Now.Ticks.ToString();
vm.Model.StringProperty = value;
Assert.AreEqual(value, vm.Model.StringProperty);
Assert.AreEqual(vm.Model.StringProperty, control1.Text);
}
public void BindingValueChanged_NewBindingWithPrivateFieldAndNoTarget_ValueChangedFires()
{
var valueChangedFired = false;
_vmSourcePrivate = new TestViewModel
{
Model = new TestModel
{
StringProperty = "Initial value"
}
};
var bindingGeneric = new Binding <string, string>(
_vmSourcePrivate,
() => _vmSourcePrivate.Model.StringProperty);
_binding = bindingGeneric;
_binding.ValueChanged += (s, e) =>
{
valueChangedFired = true;
};
Assert.IsFalse(valueChangedFired);
Assert.AreEqual(
_vmSourcePrivate.Model.StringProperty,
bindingGeneric.Value);
var newValue = DateTime.Now.Ticks.ToString();
_vmSourcePrivate.Model.StringProperty = newValue;
Assert.IsTrue(valueChangedFired);
Assert.AreEqual(
newValue,
bindingGeneric.Value);
}
public void Binding_TwoWayFromEditTextToCheckBoxWithObserveEvent_BindingGetsUpdated()
{
var control1 = new EditText(Application.Context);
var control2 = new CheckBox(Application.Context);
_binding = new Binding <string, bool>(
control1,
() => control1.Text,
control2,
() => control2.Checked,
BindingMode.TwoWay);
Assert.AreEqual(string.Empty, control1.Text);
Assert.IsFalse(control2.Checked);
var value = "True";
control1.Text = value;
Assert.AreEqual(value, control1.Text);
Assert.IsTrue(control2.Checked);
control2.Checked = false;
Assert.IsFalse(control2.Checked);
Assert.AreEqual("False", control1.Text);
}
public void Binding_DifferentTypeFallbackValue_ShouldGetConvertedWithoutError()
{
var vmSource = new TestViewModel
{
Model = new TestModel
{
DoubleProperty = 5.0
}
};
var vmTarget = new TestViewModel
{
Model = new TestModel()
};
const double fallbackValue = 9.0;
_binding = new Binding <double, string>(
vmSource,
() => vmSource.Model.DoubleProperty,
vmTarget,
() => vmTarget.Model.StringProperty);
Assert.AreEqual(vmSource.Model.DoubleProperty.ToString(), vmTarget.Model.StringProperty);
_binding = new Binding <double, string>(
vmSource,
() => vmSource.Model.DoubleProperty,
vmTarget,
() => vmTarget.Model.StringProperty,
fallbackValue: fallbackValue);
Assert.AreEqual(vmSource.Model.DoubleProperty.ToString(), vmTarget.Model.StringProperty);
vmSource.Model = null;
Assert.AreEqual(fallbackValue.ToString(), vmTarget.Model.StringProperty);
}
public void Binding_NoErrors_ShouldUpdateTargetValue()
{
var vmSource = new TestViewModel
{
Model = new TestModel
{
StringProperty = "Hello world"
}
};
var vmTarget = new TestViewModel();
_binding = new Binding <string, string>(
vmSource,
() => vmSource.Model.StringProperty,
vmTarget,
() => vmTarget.TargetProperty);
Assert.AreEqual(vmSource.Model.StringProperty, vmTarget.TargetProperty);
var newValue = DateTime.Now.Ticks.ToString();
vmSource.Model.StringProperty = newValue;
Assert.AreEqual(vmSource.Model.StringProperty, vmTarget.TargetProperty);
}
public void BindingSource_NewBindingWithVar_NoError()
{
var vmSource = new TestViewModel
{
Model = new TestModel
{
StringProperty = "Initial value"
}
};
VmTarget = new TestViewModel();
_binding = new Binding <string, string>(
vmSource,
() => vmSource.Model.StringProperty,
VmTarget,
() => VmTarget.TargetProperty);
Assert.AreEqual(vmSource.Model.StringProperty, VmTarget.TargetProperty);
var newValue = DateTime.Now.Ticks.ToString();
vmSource.Model.StringProperty = newValue;
Assert.AreEqual(vmSource.Model.StringProperty, VmTarget.TargetProperty);
}
public void BindingTarget_NewBindingWithPublicField_NoError()
{
VmSource = new TestViewModel
{
Model = new TestModel
{
MyProperty = "Initial value"
}
};
_vmTarget = new TestViewModel();
_binding = new Binding <string, string>(
VmSource,
() => VmSource.Model.MyProperty,
_vmTarget,
() => _vmTarget.TargetProperty);
Assert.AreEqual(VmSource.Model.MyProperty, _vmTarget.TargetProperty);
var newValue = DateTime.Now.Ticks.ToString();
VmSource.Model.MyProperty = newValue;
Assert.AreEqual(VmSource.Model.MyProperty, _vmTarget.TargetProperty);
}
public void Binding_TwoWayFromCheckBoxToEditTextWithUpdateTrigger_BindingGetsUpdated()
{
var control1 = new EditText(Application.Context);
var control2 = new CheckBox(Application.Context);
_binding = new Binding <bool, string>(
control2,
() => control2.Checked,
control1,
() => control1.Text,
BindingMode.TwoWay);
Assert.AreEqual("False", control1.Text);
Assert.IsFalse(control2.Checked);
control2.Checked = true;
Assert.AreEqual("True", control1.Text);
Assert.IsTrue(control2.Checked);
var value = "False";
control1.Text = value;
Assert.AreEqual(value, control1.Text);
Assert.IsFalse(control2.Checked);
}
public void Binding_TwoWayFromCheckBoxToEditTextWithUpdateTrigger_BindingGetsUpdated()
{
var control1 = new UITextViewEx();
var control2 = new UISwitchEx();
_binding = new Binding <bool, string>(
control2,
() => control2.On,
control1,
() => control1.Text,
BindingMode.TwoWay);
Assert.AreEqual("False", control1.Text);
Assert.IsFalse(control2.On);
control2.On = true;
Assert.AreEqual("True", control1.Text);
Assert.IsTrue(control2.On);
var value = "False";
control1.Text = value;
Assert.AreEqual(value, control1.Text);
Assert.IsFalse(control2.On);
}
public void Binding_OneWayFromEditTextToViewModelWithUpdateTrigger_BindingGetsUpdated()
{
var vm = new TestViewModel
{
Model = new TestModel()
};
var control1 = new EditText(Application.Context);
_binding = new Binding <string, string>(
control1,
() => control1.Text,
vm,
() => vm.Model.MyProperty)
.UpdateSourceTrigger <TextChangedEventArgs>("TextChanged");
Assert.AreEqual(string.Empty, control1.Text);
Assert.AreEqual(control1.Text, vm.Model.MyProperty);
var value = DateTime.Now.Ticks.ToString();
control1.Text = value;
Assert.AreEqual(value, control1.Text);
Assert.AreEqual(control1.Text, vm.Model.MyProperty);
}
public void Binding_TwoWayFromCheckBoxToCheckBoxWithObserveEvent_BindingGetsUpdated()
{
var control1 = new CheckBox(Application.Context);
var control2 = new CheckBox(Application.Context);
_binding = new Binding <bool, bool>(
control1,
() => control1.Checked,
control2,
() => control2.Checked,
BindingMode.TwoWay)
.ObserveSourceEvent <CompoundButton.CheckedChangeEventArgs>("CheckedChange")
.ObserveTargetEvent <CompoundButton.CheckedChangeEventArgs>("CheckedChange");
Assert.IsFalse(control1.Checked);
Assert.IsFalse(control2.Checked);
control1.Checked = true;
Assert.IsTrue(control1.Checked);
Assert.IsTrue(control2.Checked);
control2.Checked = false;
Assert.IsFalse(control2.Checked);
Assert.IsFalse(control1.Checked);
}
public void Binding_TwoWayFromEditTextToCheckBoxWithUpdateTrigger_BindingGetsUpdated()
{
var control1 = new UITextViewEx();
var control2 = new UISwitchEx();
_binding = new Binding <string, bool>(
control1,
() => control1.Text,
control2,
() => control2.On,
BindingMode.TwoWay);
Assert.AreEqual(string.Empty, control1.Text);
Assert.IsFalse(control2.On);
var value = "True";
control1.Text = value;
Assert.AreEqual(value, control1.Text);
Assert.IsTrue(control2.On);
control2.On = false;
Assert.IsFalse(control2.On);
Assert.AreEqual("False", control1.Text);
}
public void BindingValueChanged_SetBindingWithPublicPropertyAndNoTarget_ValueChangedFires()
{
var valueChangedFired = false;
VmSource = new TestViewModel
{
Model = new TestModel
{
StringProperty = "Initial value"
}
};
var bindingGeneric = this.SetBinding(
() => VmSource.Model.StringProperty);
_binding = bindingGeneric;
_binding.ValueChanged += (s, e) =>
{
valueChangedFired = true;
};
Assert.IsFalse(valueChangedFired);
Assert.AreEqual(
VmSource.Model.StringProperty,
bindingGeneric.Value);
var newValue = DateTime.Now.Ticks.ToString();
VmSource.Model.StringProperty = newValue;
Assert.IsTrue(valueChangedFired);
Assert.AreEqual(
newValue,
bindingGeneric.Value);
}
public void Binding_TwoWayFromCheckBoxToCheckBoxWithUpdateTrigger_BindingGetsUpdated()
{
var control1 = new CheckBox(Application.Context);
var control2 = new CheckBox(Application.Context);
_binding = new Binding <bool, bool>(
control1,
() => control1.Checked,
control2,
() => control2.Checked,
BindingMode.TwoWay)
.UpdateSourceTrigger()
.ObserveTargetEvent();
Assert.IsFalse(control1.Checked);
Assert.IsFalse(control2.Checked);
control1.Checked = true;
Assert.IsTrue(control1.Checked);
Assert.IsTrue(control2.Checked);
control2.Checked = false;
Assert.IsFalse(control2.Checked);
Assert.IsFalse(control1.Checked);
}
public void BindingTarget_NewBindingWithPrivateProperty_NoError()
{
VmSource = new TestViewModel
{
Model = new TestModel
{
StringProperty = "Initial value"
}
};
VmTargetPrivate = new TestViewModel();
_binding = new Binding <string, string>(
VmSource,
() => VmSource.Model.StringProperty,
VmTargetPrivate,
() => VmTargetPrivate.TargetProperty);
Assert.AreEqual(VmSource.Model.StringProperty, VmTargetPrivate.TargetProperty);
var newValue = DateTime.Now.Ticks.ToString();
VmSource.Model.StringProperty = newValue;
Assert.AreEqual(VmSource.Model.StringProperty, VmTargetPrivate.TargetProperty);
}
public void BindingValueChangedControl_SetBindingWithPrivateField_ValueChangedFires()
{
#if ANDROID
_sourcePrivate = new EditText(Application.Context);
#elif __IOS__
_sourcePrivate = new UITextViewEx();
#endif
var valueChangedFired = false;
VmTarget = new TestViewModel();
var bindingGeneric = this.SetBinding(
() => _sourcePrivate.Text,
() => VmTarget.TargetProperty);
_binding = bindingGeneric;
_binding.ValueChanged += (s, e) =>
{
valueChangedFired = true;
};
Assert.IsFalse(valueChangedFired);
Assert.AreEqual(
_sourcePrivate.Text,
bindingGeneric.Value);
var newValue = DateTime.Now.Ticks.ToString();
_sourcePrivate.Text = newValue;
Assert.IsTrue(valueChangedFired);
Assert.AreEqual(
newValue,
bindingGeneric.Value);
}
public void Binding_TwoWayFromCheckBoxToCheckBoxWithUpdateTrigger_BindingGetsUpdated()
{
var control1 = new UISwitchEx();
var control2 = new UISwitchEx();
_binding = new Binding <bool, bool>(
control1,
() => control1.On,
control2,
() => control2.On,
BindingMode.TwoWay)
.UpdateSourceTrigger()
.UpdateTargetTrigger();
Assert.IsFalse(control1.On);
Assert.IsFalse(control2.On);
control1.On = true;
Assert.IsTrue(control1.On);
Assert.IsTrue(control2.On);
control2.On = false;
Assert.IsFalse(control2.On);
Assert.IsFalse(control1.On);
}
public void Binding_OneWayFromEditTextToCheckBoxWithUpdateTrigger_BindingGetsUpdated()
{
var control1 = new UITextViewEx();
var control2 = new UISwitchEx();
_binding = new Binding<string, bool>(
control1,
() => control1.Text,
control2,
() => control2.On)
.ObserveSourceEvent("Changed");
Assert.AreEqual(string.Empty, control1.Text);
Assert.IsFalse(control2.On);
var value = "True";
control1.Text = value;
Assert.AreEqual(value, control1.Text);
Assert.IsTrue(control2.On);
}
public void Binding_TwoWayFromViewModelToEditTextWithUpdateTrigger_BindingGetsUpdated()
{
var vm = new TestViewModel
{
Model = new TestModel()
};
var control1 = new UITextViewEx();
_binding = new Binding<string, string>(
vm,
() => vm.Model.MyProperty,
control1,
() => control1.Text,
BindingMode.TwoWay)
.ObserveTargetEvent("Changed");
Assert.AreEqual(null, vm.Model.MyProperty);
Assert.AreEqual(string.Empty, control1.Text);
var value = DateTime.Now.Ticks.ToString();
vm.Model.MyProperty = value;
Assert.AreEqual(value, vm.Model.MyProperty);
Assert.AreEqual(vm.Model.MyProperty, control1.Text);
value += "Suffix";
control1.Text = value;
Assert.AreEqual(value, control1.Text);
Assert.AreEqual(control1.Text, vm.Model.MyProperty);
}
public void Binding_TwoWayFromViewModelToCheckBoxWithUpdateTrigger_BindingGetsUpdated()
{
var vm = new TestViewModel
{
Model = new TestModel()
};
var control1 = new UISwitchEx();
_binding = new Binding<string, bool>(
vm,
() => vm.Model.MyProperty,
control1,
() => control1.On,
BindingMode.TwoWay)
.ObserveTargetEvent("ValueChanged");
Assert.AreEqual(null, vm.Model.MyProperty);
Assert.IsFalse(control1.On);
vm.Model.MyProperty = "True";
Assert.AreEqual("True", vm.Model.MyProperty);
Assert.IsTrue(control1.On);
control1.On = false;
Assert.IsFalse(control1.On);
Assert.AreEqual("False", vm.Model.MyProperty);
}
public void Binding_TwoWayFromEditTextToEditTextWithUpdateTrigger_BindingGetsUpdated()
{
var control1 = new UITextViewEx();
var control2 = new UITextViewEx();
_binding = new Binding<string, string>(
control1,
() => control1.Text,
control2,
() => control2.Text,
BindingMode.TwoWay)
.ObserveSourceEvent("Changed")
.ObserveTargetEvent("Changed");
Assert.AreEqual(string.Empty, control1.Text);
Assert.AreEqual(control1.Text, control2.Text);
var value = DateTime.Now.Ticks.ToString();
control1.Text = value;
Assert.AreEqual(value, control1.Text);
Assert.AreEqual(control1.Text, control2.Text);
value += "Suffix";
control2.Text = value;
Assert.AreEqual(value, control2.Text);
Assert.AreEqual(control2.Text, control1.Text);
}
public void Binding_TwoWayFromCheckBoxToViewModelWithUpdateTrigger_BindingGetsUpdated()
{
var vm = new TestViewModel
{
Model = new TestModel()
};
var control1 = new UISwitchEx();
_binding = new Binding<bool, string>(
control1,
() => control1.On,
vm,
() => vm.Model.MyProperty,
BindingMode.TwoWay)
.ObserveSourceEvent("ValueChanged");
Assert.AreEqual("False", vm.Model.MyProperty);
Assert.IsFalse(control1.On);
control1.On = true;
Assert.AreEqual("True", vm.Model.MyProperty);
Assert.IsTrue(control1.On);
var value = "False";
vm.Model.MyProperty = value;
Assert.AreEqual(value, vm.Model.MyProperty);
Assert.IsFalse(control1.On);
}
public void Binding_TwoWayFromCheckBoxToEditTextWithUpdateTrigger_BindingGetsUpdated()
{
var control1 = new UITextViewEx();
var control2 = new UISwitchEx();
_binding = new Binding<bool, string>(
control2,
() => control2.On,
control1,
() => control1.Text,
BindingMode.TwoWay)
.ObserveSourceEvent("ValueChanged")
.ObserveTargetEvent("Changed");
Assert.AreEqual("False", control1.Text);
Assert.IsFalse(control2.On);
control2.On = true;
Assert.AreEqual("True", control1.Text);
Assert.IsTrue(control2.On);
var value = "False";
control1.Text = value;
Assert.AreEqual(value, control1.Text);
Assert.IsFalse(control2.On);
}
public void Binding_TwoWayFromCheckBoxToCheckBoxWithUpdateTrigger_BindingGetsUpdated()
{
var control1 = new UISwitchEx();
var control2 = new UISwitchEx();
_binding = new Binding<bool, bool>(
control1,
() => control1.On,
control2,
() => control2.On,
BindingMode.TwoWay)
.ObserveSourceEvent("ValueChanged")
.ObserveTargetEvent("ValueChanged");
Assert.IsFalse(control1.On);
Assert.IsFalse(control2.On);
control1.On = true;
Assert.IsTrue(control1.On);
Assert.IsTrue(control2.On);
control2.On = false;
Assert.IsFalse(control2.On);
Assert.IsFalse(control1.On);
}
public void Binding_OneWayFromViewModelToEditText_BindingGetsUpdated()
{
var vm = new TestViewModel
{
Model = new TestModel()
};
var control1 = new UITextViewEx();
_binding = new Binding<string, string>(
vm,
() => vm.Model.MyProperty,
control1,
() => control1.Text);
Assert.AreEqual(null, vm.Model.MyProperty);
Assert.AreEqual(string.Empty, control1.Text);
var value = DateTime.Now.Ticks.ToString();
vm.Model.MyProperty = value;
Assert.AreEqual(value, vm.Model.MyProperty);
Assert.AreEqual(vm.Model.MyProperty, control1.Text);
}
public void Binding_OneWayFromViewModelToCheckBox_BindingGetsUpdated()
{
var vm = new TestViewModel
{
Model = new TestModel()
};
var control1 = new UISwitchEx();
_binding = new Binding<string, bool>(
vm,
() => vm.Model.MyProperty,
control1,
() => control1.On);
Assert.AreEqual(null, vm.Model.MyProperty);
Assert.IsFalse(control1.On);
vm.Model.MyProperty = "True";
Assert.AreEqual("True", vm.Model.MyProperty);
Assert.IsTrue(control1.On);
}
public void Binding_OneWayFromEditTextToViewModelWithUpdateTrigger_BindingGetsUpdated()
{
var vm = new TestViewModel
{
Model = new TestModel()
};
var control1 = new UITextViewEx();
_binding = new Binding<string, string>(
control1,
() => control1.Text,
vm,
() => vm.Model.MyProperty)
.ObserveSourceEvent("Changed");
Assert.AreEqual(string.Empty, control1.Text);
Assert.AreEqual(control1.Text, vm.Model.MyProperty);
var value = DateTime.Now.Ticks.ToString();
control1.Text = value;
Assert.AreEqual(value, control1.Text);
Assert.AreEqual(control1.Text, vm.Model.MyProperty);
}
public void BindingDeepPath_DeepSourceExistingPathChangingObjects_NoError()
{
VmSource = new TestViewModel
{
Nested = new TestViewModel
{
Nested = new TestViewModel
{
Model = new TestModel
{
StringProperty = "Initial value"
}
}
}
};
VmTarget = new TestViewModel();
_binding = new Binding <string, string>(
VmSource,
() => VmSource.Nested.Nested.Model.StringProperty,
VmTarget,
() => VmTarget.TargetProperty);
Assert.AreEqual(VmSource.Nested.Nested.Model.StringProperty, VmTarget.TargetProperty);
var newValue = DateTime.Now.Ticks.ToString();
VmSource.Nested.Nested.Model.StringProperty = newValue;
Assert.AreEqual(VmSource.Nested.Nested.Model.StringProperty, VmTarget.TargetProperty);
const string value2 = "Value 2";
VmSource.Nested = new TestViewModel
{
Nested = new TestViewModel
{
Model = new TestModel
{
StringProperty = value2
}
}
};
Assert.AreEqual(value2, VmTarget.TargetProperty);
const string value3 = "Value 3";
VmSource.Nested.Nested = new TestViewModel
{
Model = new TestModel
{
StringProperty = value3
}
};
Assert.AreEqual(value3, VmTarget.TargetProperty);
const string value4 = "Value 4";
VmSource.Nested.Nested.Model = new TestModel
{
StringProperty = value4
};
Assert.AreEqual(value4, VmTarget.TargetProperty);
const string value5 = "Value 5";
VmSource.Nested.Nested.Model.StringProperty = value5;
Assert.AreEqual(value5, VmTarget.TargetProperty);
}
public void Binding_TwoWayFromEditTextToViewModelWithUpdateTrigger_BindingGetsUpdated()
{
var vm = new TestViewModel
{
Model = new TestModel()
};
var control1 = new UITextViewEx();
_binding = new Binding<string, string>(
control1,
() => control1.Text,
vm,
() => vm.Model.MyProperty,
BindingMode.TwoWay)
.UpdateSourceTrigger(UpdateTriggerMode.PropertyChanged);
Assert.AreEqual(string.Empty, control1.Text);
Assert.AreEqual(control1.Text, vm.Model.MyProperty);
var value = DateTime.Now.Ticks.ToString();
control1.Text = value;
Assert.AreEqual(value, control1.Text);
Assert.AreEqual(control1.Text, vm.Model.MyProperty);
value += "Suffix";
vm.Model.MyProperty = value;
Assert.AreEqual(value, vm.Model.MyProperty);
Assert.AreEqual(vm.Model.MyProperty, control1.Text);
}
public void Binding_TwoWayFromEditTextToCheckBoxWithUpdateTrigger_BindingGetsUpdated()
{
var control1 = new UITextViewEx();
var control2 = new UISwitchEx();
_binding = new Binding<string, bool>(
control1,
() => control1.Text,
control2,
() => control2.On,
BindingMode.TwoWay)
.UpdateSourceTrigger(UpdateTriggerMode.PropertyChanged)
.UpdateTargetTrigger(UpdateTriggerMode.PropertyChanged);
Assert.AreEqual(string.Empty, control1.Text);
Assert.IsFalse(control2.On);
var value = "True";
control1.Text = value;
Assert.AreEqual(value, control1.Text);
Assert.IsTrue(control2.On);
control2.On = false;
Assert.IsFalse(control2.On);
Assert.AreEqual("False", control1.Text);
}
Binding_MultipleLevelsOfNullWithConverter_ShouldCallConverterWithNullThenTargetNullValueButNotFallbackValue(
)
{
var vmSource = new TestViewModel();
var vmTarget = new TestViewModel();
const string fallbackValue = "Fallback value";
const string targetNullValue = "Target null value";
const string suffix = "Suffix";
var converterWasCalledWithNull = 0;
var converterWasCalledWithTargetNullValue = 0;
var converterWasCalledWithFallbackValue = 0;
_binding = new Binding <string, string>(
vmSource,
() => vmSource.Nested.Model.StringProperty,
vmTarget,
() => vmTarget.TargetProperty,
BindingMode.Default,
fallbackValue,
targetNullValue)
.ConvertSourceToTarget(
v =>
{
if (v == null)
{
converterWasCalledWithNull++;
return(null);
}
switch (v)
{
case fallbackValue:
converterWasCalledWithFallbackValue++;
break;
case targetNullValue:
converterWasCalledWithTargetNullValue++;
break;
}
return(v + suffix);
});
Assert.AreEqual(fallbackValue, vmTarget.TargetProperty);
Assert.AreEqual(0, converterWasCalledWithNull);
Assert.AreEqual(0, converterWasCalledWithFallbackValue);
Assert.AreEqual(0, converterWasCalledWithTargetNullValue);
vmSource.Nested = new TestViewModel();
Assert.AreEqual(fallbackValue, vmTarget.TargetProperty);
Assert.AreEqual(0, converterWasCalledWithNull);
Assert.AreEqual(0, converterWasCalledWithFallbackValue);
Assert.AreEqual(0, converterWasCalledWithTargetNullValue);
vmSource.Nested.Model = new TestModel();
Assert.AreEqual(targetNullValue + suffix, vmTarget.TargetProperty);
Assert.AreEqual(1, converterWasCalledWithNull);
Assert.AreEqual(0, converterWasCalledWithFallbackValue);
Assert.AreEqual(1, converterWasCalledWithTargetNullValue);
vmSource.Nested.Model.StringProperty = DateTime.Now.Ticks.ToString();
Assert.AreEqual(vmSource.Nested.Model.StringProperty + suffix, vmTarget.TargetProperty);
Assert.AreEqual(1, converterWasCalledWithNull);
Assert.AreEqual(0, converterWasCalledWithFallbackValue);
Assert.AreEqual(1, converterWasCalledWithTargetNullValue);
}
public void Binding_SetBindingWithPrivateField_ShouldCreateBinding()
{
// Just for comparison
var vm = new TestViewModel
{
Model = new TestModel
{
StringProperty = "Initial value for local var"
}
};
#if ANDROID
var textBox = new EditText(Application.Context);
#elif __IOS__
var textBox = new UITextViewEx();
#endif
_binding = new Binding <string, string>(
vm,
() => vm.Model.StringProperty,
textBox,
() => textBox.Text);
Assert.IsNotNull(_binding);
Assert.AreEqual(textBox.Text, vm.Model.StringProperty);
vm.Model.StringProperty = "New value";
Assert.AreEqual(textBox.Text, vm.Model.StringProperty);
_vmField = new TestViewModel
{
Model = new TestModel
{
StringProperty = "Initial value for field"
}
};
_binding = new Binding <string, string>(
_vmField,
() => _vmField.Model.StringProperty,
textBox,
() => textBox.Text);
Assert.IsNotNull(_binding);
Assert.AreEqual(textBox.Text, _vmField.Model.StringProperty);
_vmField.Model.StringProperty = "New value";
Assert.AreEqual(textBox.Text, _vmField.Model.StringProperty);
VmSource = new TestViewModel
{
Model = new TestModel
{
StringProperty = "Initial value for public property"
}
};
#if ANDROID
TextBox = new EditText(Application.Context);
#elif __IOS__
TextBox = new UITextViewEx();
#endif
_binding = this.SetBinding(
() => VmSource.Model.StringProperty,
() => TextBox.Text);
Assert.IsNotNull(_binding);
Assert.AreEqual(textBox.Text, _vmField.Model.StringProperty);
_vmField.Model.StringProperty = "New value";
Assert.AreEqual(textBox.Text, _vmField.Model.StringProperty);
_vmField.Model.StringProperty = "Initial value for field again";
_binding = this.SetBinding(
() => _vmField.Model.StringProperty,
() => TextBox.Text);
Assert.IsNotNull(_binding);
Assert.AreEqual(textBox.Text, _vmField.Model.StringProperty);
_vmField.Model.StringProperty = "New value";
Assert.AreEqual(textBox.Text, _vmField.Model.StringProperty);
}
