public void SelectConstructorsFromNullTypeThrows() { // Fixture setup var sut = new ListFavoringConstructorQuery(); // Exercise system and verify outcome Assert.Throws<ArgumentNullException>(() => sut.SelectConstructors(null)); // Teardown }
public void SelectFromTypeWithNoPublicConstructorReturnsCorrectResult() { // Fixture setup var sut = new ListFavoringConstructorQuery(); var typeWithNoPublicConstructors = typeof(AbstractType); // Exercise system var result = sut.SelectConstructors(typeWithNoPublicConstructors); // Verify outcome Assert.False(result.Any()); // Teardown }
public void SelectFromTypeReturnsAllAppropriateResults(Type type) { // Fixture setup var expectedConstructors = from ci in type.GetConstructors() let parameters = ci.GetParameters() select new ConstructorMethod(ci) as IMethod; var sut = new ListFavoringConstructorQuery(); // Exercise system var result = sut.SelectConstructors(type); // Verify outcome Assert.True(expectedConstructors.All(m => result.Any(m.Equals))); // Teardown }
public void SelectConstructorsFromTypeReturnsFirstMethodThatTakesListAsArgument(Type type) { var sut = new ListFavoringConstructorQuery(); // Exercise system var result = sut.SelectConstructors(type); // Verify outcome var genericParameterType = type.GetGenericArguments().Single(); Assert.True(result.First().Parameters.Any(p => typeof(IList<>).MakeGenericType(genericParameterType).IsAssignableFrom(p.ParameterType))); // Teardown }