public void InvokeNullCandidate_NoException()
{
var specification = MockSpecification <FakeType> .True();
var sut = new CastSpecification <object, FakeType>(specification);
var exception = Record.Exception(() => sut.GetExpression().Compile().Invoke(null));
Assert.Null(exception);
}
public void CastCorrectSpecification_ReturnExpressionWithParameterFromSelector()
{
var specification = MockSpecification <object> .True();
var sut = new CastSpecification <FakeType, object>(specification);
var expected = sut.GetExpression();
var result = (Expression)sut;
Assert.Equal(expected, result);
}
public void CastCorrectSpecification_ReturnExpression()
{
var specification = MockSpecification <object> .True();
var sut = new CastSpecification <FakeType, object>(specification);
var expected = sut.GetExpression();
var expression = (Expression <Func <FakeType, bool> >)sut;
Assert.Equal(expected, expression);
}
public void InvokeCastToInterfaceType_ReturnTrue()
{
var candidate = new FakeType();
var specification = MockSpecification <IEnumerable <char> > .True();
var sut = new CastSpecification <FakeType, IEnumerable <char> >(specification);
var result = sut.GetExpression().Compile().Invoke(candidate);
Assert.True(result);
}
public void InvokeCastToBaseType_ReturnTrue()
{
var candidate = new ChildFakeType();
var specification = MockSpecification <FakeType> .True();
var sut = new CastSpecification <ChildFakeType, FakeType>(specification);
var result = sut.GetExpression().Compile().Invoke(candidate);
Assert.True(result);
}
public void InvokeCastFromObject_ReturnTrue()
{
var candidate = 0;
var specification = MockSpecification <object> .True();
var sut = new CastSpecification <int, object>(specification);
var result = sut.GetExpression().Compile().Invoke(candidate);
Assert.True(result);
}
public void CorrectSpecification_ReturnExpressionWithParameterFromSelector()
{
var specification = MockSpecification <object> .True();
var sut = new CastSpecification <FakeType, object>(specification);
var sutExpression = sut.GetExpression();
var result = sutExpression.ToString();
Assert.Matches(@"candidate => .*\.IsSatisfiedBy\(Convert\(candidate.*\)\)", result);
}
public void InvokeInvalidTypeCandidate_CastException()
{
var specification = MockSpecification <List <int> > .True();
var sut = new CastSpecification <IEnumerable <int>, List <int> >(specification);
var exception = Record.Exception(() => sut.GetExpression().Compile().Invoke(new int[0]));
Assert.NotNull(exception);
Assert.IsType <InvalidCastException>(exception);
}
public void CorrectSpecification_ReturnExpressionAsAbstractExpression()
{
var specification = MockSpecification <object> .True();
var sut = new CastSpecification <FakeType, object>(specification);
var expected = sut.GetExpression();
var result = ((ILinqSpecification)sut).GetExpression();
Assert.Equal(expected, result);
}
public void InvokeCastNumeric_ReturnTrue()
{
var candidate = 0.0;
var specification = MockSpecification <int> .True();
var sut = new CastSpecification <double, int>(specification);
var result = sut.GetExpression().Compile().Invoke(candidate);
Assert.True(result);
}