public void DefaultTypeIsDouble()
{
var gridUnitExtension = new GridUnitExtension(ValidDoubleMultiplier);
object result = gridUnitExtension.ProvideValue(MockedServiceProvider.Default);
Assert.IsType <double>(result);
}
public void ThrowsForUnsetMultiplierString()
{
var gridUnitExtension = new GridUnitExtension();
Exception ex = Record.Exception(
() => gridUnitExtension.ProvideValue(MockedServiceProvider.Default));
Assert.IsType <InvalidOperationException>(ex);
}
public void ReadsTypeFromPropertyInfo()
{
var gridUnitExtension = new GridUnitExtension(ValidThicknessMultiplier);
var serviceProvider = MockedServiceProvider.CreateForTargetPropertyType <Thickness>();
object result = gridUnitExtension.ProvideValue(serviceProvider);
Assert.IsType <Thickness>(result);
}
public void ThrowsForUnsupportedType()
{
var gridUnitExtension = new GridUnitExtension(
ValidDoubleMultiplier, typeof(GridUnitExtensionTests));
Exception ex = Record.Exception(
() => gridUnitExtension.ProvideValue(MockedServiceProvider.Default));
Assert.IsType <NotSupportedException>(ex);
}
public void SupportsTypes(string multiplierString, object expectedResult)
{
var gridUnitExtension = new GridUnitExtension(multiplierString, expectedResult.GetType())
{
GridCellSize = 4
};
object result = gridUnitExtension.ProvideValue(MockedServiceProvider.Default);
Assert.IsType(expectedResult.GetType(), result);
Assert.Equal(expectedResult, result);
}
public void UsesTargetTypeProperty()
{
// We pass in a property of type A,
// but set the TargetType to type B.
// Type B is the expected type of the result.
var gridUnitExtension = new GridUnitExtension(
ValidThicknessMultiplier, typeof(Thickness));
var serviceProvider = MockedServiceProvider.CreateForTargetPropertyType <Point>();
object result = gridUnitExtension.ProvideValue(serviceProvider);
Assert.IsType <Thickness>(result);
}
public void ReadsTypeFromDependencyProperties()
{
var gridUnitExtension = new GridUnitExtension(ValidThicknessMultiplier);
var depProp = DependencyProperties.ThicknessProperty; // Use a random dep.prop.
var serviceProvider = new MockedServiceProvider()
{
TargetProperty = depProp
};
object result = gridUnitExtension.ProvideValue(serviceProvider);
Assert.IsType(depProp.PropertyType, result);
}
public void GridCellSizeIsChangeable()
{
double cellSize = 15;
double input = 10;
double expectedOutput = input * cellSize;
var gridUnitExtension = new GridUnitExtension(input.ToString())
{
GridCellSize = cellSize
};
double result = (double)gridUnitExtension.ProvideValue(MockedServiceProvider.Default);
Assert.Equal(expectedOutput, result);
}
public void ReadsTypeFromSetters()
{
var gridUnitExtension = new GridUnitExtension(ValidPointMultiplier);
var depProp = DependencyProperties.PointProperty;
var serviceProvider = new MockedServiceProvider()
{
// Use a setter to a random dependency property.
// What counts is that it has a supported type.
TargetObject = new Setter(depProp, new Point(1, 1))
};
object result = gridUnitExtension.ProvideValue(serviceProvider);
Assert.IsType(depProp.PropertyType, result);
}
public void UsesDipMultiplier()
{
double dipMultiplier = DipHelper.GetDipMultiplier();
double input = 10;
double expectedOutput = input * dipMultiplier;
var gridUnitExtension = new GridUnitExtension(input.ToString())
{
MultiplyWithDip = true,
GridCellSize = 1 // This must be 1, otherwise the result will be multiplied
}; // by 4 (default).
double result = (double)gridUnitExtension.ProvideValue(MockedServiceProvider.Default);
Assert.Equal(expectedOutput, result);
}
