public void SelectMethodsFromNullTypeThrows() { // Fixture setup var sut = new EnumerableFavoringConstructorQuery(); // Exercise system and verify outcome Assert.Throws<ArgumentNullException>(() => sut.SelectMethods(null)); // Teardown }
public void SutIsMethodQuery() { // Fixture setup // Exercise system var sut = new EnumerableFavoringConstructorQuery(); // Verify outcome Assert.IsAssignableFrom<IMethodQuery>(sut); // Teardown }
public void SelectMethodsFromTypeReturnsFirstMethodThatTakesEnumerableAsArgument(Type type) { var sut = new EnumerableFavoringConstructorQuery(); // Exercise system var result = sut.SelectMethods(type); // Verify outcome var genericParameterType = type.GetGenericArguments().Single(); Assert.True(result.First().Parameters.Any(p => typeof(IEnumerable<>).MakeGenericType(genericParameterType).IsAssignableFrom(p.ParameterType))); // Teardown }
public void SelectMethodsFromTypeWithNoPublicConstructorReturnsCorrectResult() { // Fixture setup var sut = new EnumerableFavoringConstructorQuery(); var typeWithNoPublicConstructors = typeof(AbstractType); // Exercise system var result = sut.SelectMethods(typeWithNoPublicConstructors); // Verify outcome Assert.False(result.Any()); // Teardown }
public void SelectMethodsFromTypeReturnsAllAppropriateResults(Type type) { // Fixture setup var expectedConstructors = from ci in type.GetConstructors() let parameters = ci.GetParameters() select new ConstructorMethod(ci) as IMethod; var sut = new EnumerableFavoringConstructorQuery(); // Exercise system var result = sut.SelectMethods(type); // Verify outcome Assert.True(expectedConstructors.All(m => result.Any(m.Equals))); // Teardown }
public void SelectMethodsFromTypeReturnsCorrectlyOrderedResultWhenNoConstructorContainsEnumerableArguments(Type type) { // Fixture setup var expectedConstructors = from ci in type.GetConstructors() let parameters = ci.GetParameters() orderby parameters.Length ascending select new ConstructorMethod(ci) as IMethod; var sut = new EnumerableFavoringConstructorQuery(); // Exercise system var result = sut.SelectMethods(type); // Verify outcome Assert.True(expectedConstructors.SequenceEqual(result)); // Teardown }
public void SelectMethodsPrefersSpecificEnumerableParameterOverDerivedParameter(Type type, Type expected) { // Fixture setup var sut = new EnumerableFavoringConstructorQuery(); // Exercise system var result = sut.SelectMethods(type); // Verify outcome Assert.True(result.First().Parameters.Any(p => expected == p.ParameterType)); // Teardown }