public void WithNullPropertyPickerThrows()
{
// Fixture setup
var sut = new SutBuilder <object>().Create();
// Exercise system and verify outcome
Assert.Throws <ArgumentNullException>(() =>
sut.With <object>(null));
// Teardown
}
public void WithNullValueDoesNotThrow()
{
// Fixture setup
var sut = new SutBuilder <PropertyHolder <object> >().Create();
// Exercise system and verify outcome
Assert.DoesNotThrow(() =>
sut.With(ph => ph.Property, null));
// Teardown
}
public void WithValueReturnsCorrectResult()
{
// Fixture setup
var expectedMember = typeof(PropertyHolder <decimal>).GetProperty("Property");
var expectedValue = 1.3m;
var sut = new SutBuilder <PropertyHolder <decimal> >().Create();
// Exercise system
var result = sut.With(x => x.Property, expectedValue);
// Verify outcome
var resultingComposer = Assert.IsAssignableFrom <Composer <PropertyHolder <decimal> > >(result);
var postprocessor = resultingComposer.Postprocessors.OfType <BindingCommand <PropertyHolder <decimal>, decimal> >().Single();
Assert.Equal(expectedMember, postprocessor.Member);
Assert.Equal(expectedValue, postprocessor.ValueCreator(new DelegatingSpecimenContext()));
// Teardown
}
public void WithReturnsCorrectResult()
{
// Fixture setup
var member = typeof(PropertyHolder <float>).GetProperty("Property");
var sut = new SutBuilder <PropertyHolder <float> >().Create();
// Exercise system
var result = sut.With(x => x.Property);
// Verify outcome
var resultingComposer = Assert.IsAssignableFrom <Composer <PropertyHolder <float> > >(result);
var postprocessor = resultingComposer.Postprocessors.OfType <BindingCommand <PropertyHolder <float>, float> >().Single();
Assert.Equal(member, postprocessor.Member);
object expectedValue = 3.6f;
var actual = postprocessor.ValueCreator(new DelegatingSpecimenContext {
OnResolve = r => r.Equals(member) ? expectedValue : new NoSpecimen(r)
});
Assert.Equal(expectedValue, actual);
// Teardown
}