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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Moq;
using NUnit.Framework;
using Xamarin.PropertyEditing.ViewModels;
namespace Xamarin.PropertyEditing.Tests
{
internal abstract class NumericViewModelTests<T, TReal>
: ConstrainedPropertyViewModelTests<T, TReal, NumericPropertyViewModel<T>>
where TReal : struct, IComparable<TReal>
{
[Test]
public void SelfConstrainedValuesCommands ()
{
T max, min;
T value = GetConstrainedRandomValue (Random, out max, out min);
Assume.That (max, Is.GreaterThan (min));
Assume.That (value, Is.LessThan (max));
Assume.That (value, Is.GreaterThan (min));
var mockProperty = new Mock<IPropertyInfo> ();
var constrainedMock = mockProperty.As<ISelfConstrainedPropertyInfo<T>> ();
constrainedMock.SetupGet (pi => pi.MaxValue).Returns (max);
constrainedMock.SetupGet (pi => pi.MinValue).Returns (min);
var vm = GetViewModel (mockProperty.Object, new MockObjectEditor (mockProperty.Object));
Assume.That (vm.MaximumValue, Is.EqualTo (max));
Assume.That (vm.MinimumValue, Is.EqualTo (min));
vm.Value = value;
Assume.That (vm.Value, Is.EqualTo (value));
Assume.That (vm.RaiseValue, Is.Not.Null);
Assert.That (vm.RaiseValue.CanExecute (null), Is.True, "RaiseValue can not execute");
Assert.That (vm.LowerValue.CanExecute (null), Is.True, "LowerValue can not execute");
}
[Test]
public void SelfConstrainedBelowCommands ()
{
T max, min;
T value = GetConstrainedRandomValueBelowBounds (Random, out max, out min);
Assume.That (max, Is.GreaterThan (min));
Assume.That (value, Is.LessThan (max));
Assume.That (value, Is.LessThan (min));
var mockProperty = new Mock<IPropertyInfo> ();
var constrainedMock = mockProperty.As<ISelfConstrainedPropertyInfo<T>> ();
constrainedMock.SetupGet (pi => pi.MaxValue).Returns (max);
constrainedMock.SetupGet (pi => pi.MinValue).Returns (min);
var vm = GetViewModel (mockProperty.Object, new MockObjectEditor (mockProperty.Object));
vm.Value = value;
Assume.That (vm.Value, Is.EqualTo (min));
Assume.That (vm.RaiseValue, Is.Not.Null);
Assert.That (vm.RaiseValue.CanExecute (null), Is.True, "Should be able to RaiseValue");
Assert.That (vm.LowerValue.CanExecute (null), Is.False, "Should not be able to LowerValue");
}
[Test]
public void SelfConstrainedAboveCommands ()
{
T max, min;
T value = GetConstrainedRandomValueAboveBounds (Random, out max, out min);
Assume.That (max, Is.GreaterThan (min));
Assume.That (value, Is.GreaterThan (max));
Assume.That (value, Is.GreaterThan (min));
var mockProperty = new Mock<IPropertyInfo> ();
var constrainedMock = mockProperty.As<ISelfConstrainedPropertyInfo<T>> ();
constrainedMock.SetupGet (pi => pi.MaxValue).Returns (max);
constrainedMock.SetupGet (pi => pi.MinValue).Returns (min);
var vm = GetViewModel (mockProperty.Object, new MockObjectEditor (mockProperty.Object));
vm.Value = value;
Assume.That (vm.Value, Is.EqualTo (max));
Assume.That (vm.RaiseValue, Is.Not.Null);
Assert.That (vm.RaiseValue.CanExecute (null), Is.False, "Should not be able to RaiseValue");
Assert.That (vm.LowerValue.CanExecute (null), Is.True, "Should be able to LowerValue");
}
}
}
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