/// <summary>
/// Initializes a new instance of the <see cref="ConstructorInvoker"/> class with the
/// supplied <see cref="IConstructorQuery"/>.
/// </summary>
/// <param name="query">
/// The <see cref="IConstructorQuery"/> that defines which constructors are attempted.
/// </param>
public ConstructorInvoker(IConstructorQuery query)
{
if (query == null)
{
throw new ArgumentNullException(nameof(query));
}
this.query = query;
}
/// <summary>
/// Initializes a new instance of the <see cref="ConstructorInvoker"/> class with the
/// supplied <see cref="IConstructorQuery"/>.
/// </summary>
/// <param name="query">
/// The <see cref="IConstructorQuery"/> that defines which constructors are attempted.
/// </param>
public ConstructorInvoker(IConstructorQuery query)
{
if (query == null)
{
throw new ArgumentNullException("query");
}
this.query = query;
}
public void QueryIsCorrect()
{
// Fixture setup
var expectedPicker = new DelegatingConstructorQuery();
var sut = new ConstructorInvoker(expectedPicker);
// Exercise system
IConstructorQuery result = sut.Query;
// Verify outcome
Assert.Equal(expectedPicker, result);
// Teardown
}
public void QueriesWillMatchParamsArray()
{
// Fixture setup
var expectedQueries = new IConstructorQuery[]
{
new DelegatingConstructorQuery(),
new DelegatingConstructorQuery(),
new DelegatingConstructorQuery()
};
var sut = new CompositeConstructorQuery(expectedQueries);
// Exercise system
var result = sut.Queries;
// Verify outcome
Assert.True(expectedQueries.SequenceEqual(result));
// Teardown
}
public void QueriesWillMatchParamsArray()
{
// Fixture setup
var expectedQueries = new IConstructorQuery[]
{
new DelegatingConstructorQuery(),
new DelegatingConstructorQuery(),
new DelegatingConstructorQuery()
};
var sut = new CompositeConstructorQuery(expectedQueries);
// Exercise system
var result = sut.Queries;
// Verify outcome
Assert.True(expectedQueries.SequenceEqual(result));
// Teardown
}
public void SelectWillReturnResultsInCorrectSequence(Type type)
{
// Fixture setup
IEnumerable <IMethod> modestConstructors = from ci in type.GetConstructors()
let parameters = ci.GetParameters()
orderby parameters.Length ascending
select new ConstructorMethod(ci) as IMethod;
IEnumerable <IMethod> greedyConstructors = from ci in type.GetConstructors()
let parameters = ci.GetParameters()
orderby parameters.Length descending
select new ConstructorMethod(ci) as IMethod;
var expectedConstructors = new List <IMethod>();
expectedConstructors.AddRange(modestConstructors);
expectedConstructors.AddRange(greedyConstructors);
var queries = new IConstructorQuery[]
{
new DelegatingConstructorQuery {
OnSelectConstructors = t => modestConstructors
},
new DelegatingConstructorQuery {
OnSelectConstructors = t => greedyConstructors
},
new DelegatingConstructorQuery()
};
var sut = new CompositeConstructorQuery(queries);
// Exercise system
var result = sut.SelectConstructors(type);
// Verify outcome
Assert.True(expectedConstructors.SequenceEqual(result));
// Teardown
}
public void SelectWillReturnResultsInCorrectSequence(Type type)
{
// Fixture setup
IEnumerable<IMethod> modestConstructors = from ci in type.GetConstructors()
let parameters = ci.GetParameters()
orderby parameters.Length ascending
select new ConstructorMethod(ci) as IMethod;
IEnumerable<IMethod> greedyConstructors = from ci in type.GetConstructors()
let parameters = ci.GetParameters()
orderby parameters.Length descending
select new ConstructorMethod(ci) as IMethod;
var expectedConstructors = new List<IMethod>();
expectedConstructors.AddRange(modestConstructors);
expectedConstructors.AddRange(greedyConstructors);
var queries = new IConstructorQuery[]
{
new DelegatingConstructorQuery { OnSelectConstructors = t => modestConstructors },
new DelegatingConstructorQuery { OnSelectConstructors = t => greedyConstructors },
new DelegatingConstructorQuery()
};
var sut = new CompositeConstructorQuery(queries);
// Exercise system
var result = sut.SelectConstructors(type);
// Verify outcome
Assert.True(expectedConstructors.SequenceEqual(result));
// Teardown
}
