public void Contains_SelectorAt_With_Comparer_And_NotContains_Must_ReturnFalse(int[] source, SelectorAt <int, string> selector) { // Arrange var value = "!"; var wrapped = Wrap.AsValueEnumerable(source); // Act var result = ValueEnumerable .Select <Wrap.ValueEnumerable <int>, Wrap.Enumerator <int>, int, string>(wrapped, selector) .Contains(value, EqualityComparer <string> .Default); // Assert _ = result.Must() .BeFalse(); }
public void Contains_Predicate_With_Null_And_NotContains_Must_ReturnFalse(int[] source, Predicate <int> predicate) { // Arrange var value = int.MaxValue; var wrapped = Wrap.AsValueEnumerable(source); // Act var result = ValueEnumerable .Where <Wrap.ValueEnumerable <int>, Wrap.Enumerator <int>, int>(wrapped, predicate) .Contains(value, null); // Assert _ = result.Must() .BeFalse(); }
public void First_With_Empty_Must_Return_None(int[] source) { // Arrange var wrapped = Wrap .AsValueEnumerable(source); // Act var result = ValueEnumerableExtensions .First <Wrap.ValueEnumerableWrapper <int>, Wrap.Enumerator <int>, int>(wrapped); // Assert _ = result.Must() .BeOfType <Option <int> >() .EvaluateTrue(option => option.IsNone); }
public void AsEnumerable_With_ReferenceType_Must_ReturnSame() { // Arrange var source = new int[0]; var wrapped = Wrap .AsValueEnumerable(source) as IValueEnumerable <int, Wrap.Enumerator <int> >; // Act var result = ValueEnumerable .AsEnumerable <IValueEnumerable <int, Wrap.Enumerator <int> >, Wrap.Enumerator <int>, int>(wrapped); // Assert _ = result.Must() .BeSameAs(wrapped); }
public void All_With_NullPredicate_Must_Throw() { // Arrange var wrapped = Wrap.AsValueEnumerable(new int[0]); var predicate = (Predicate <int>)null; // Act Action action = () => _ = ValueEnumerable .All <Wrap.ValueEnumerable <int>, Wrap.Enumerator <int>, int>(wrapped, predicate); // Assert _ = action.Must() .Throw <ArgumentNullException>() .EvaluateTrue(exception => exception.ParamName == "predicate"); }
public void All_With_ValidData_Must_Succeed(int[] source, Predicate <int> predicate) { // Arrange var wrapped = Wrap.AsValueEnumerable(source); var expected = System.Linq.Enumerable.All(wrapped, predicate.AsFunc()); // Act var result = ValueEnumerable .All <Wrap.ValueEnumerable <int>, Wrap.Enumerator <int>, int>(wrapped, predicate); // Assert _ = result.Must() .BeEqualTo(expected); }
public void Sum_With_NullableDecimal_Must_Succeed(decimal?[] source) { // Arrange var wrapped = Wrap.AsValueEnumerable(source); var expected = source .Sum(); // Act var result = wrapped.AsValueEnumerable() .Sum(); // Assert _ = result.Must() .BeEqualTo(expected !.Value); }
public void Single_Predicate_With_Empty_Must_Return_None(int[] source, Func <int, bool> predicate) { // Arrange var wrapped = Wrap .AsValueEnumerable(source); // Act var result = ValueEnumerableExtensions .Where <Wrap.ValueEnumerableWrapper <int>, Wrap.Enumerator <int>, int>(wrapped, predicate) .Single(); // Assert _ = result.Must() .BeOfType <Option <int> >() .EvaluateTrue(option => option.IsNone); }
public void Single_SelectorAt_With_Multiple_Must_Return_None(int[] source, Func <int, int, string> selector) { // Arrange var wrapped = Wrap .AsValueEnumerable(source); // Act var result = ValueEnumerableExtensions .Select <Wrap.ValueEnumerableWrapper <int>, Wrap.Enumerator <int>, int, string>(wrapped, selector) .Single(); // Assert _ = result.Must() .BeOfType <Option <string> >() .EvaluateTrue(option => option.IsNone); }
public void Distinct_With_ValidData_Must_Succeed(int[] source) { // Arrange var wrapped = Wrap.AsValueEnumerable(source); var expected = Enumerable .Distinct(wrapped); // Act var result = ValueEnumerableExtensions .Distinct <Wrap.ValueEnumerableWrapper <int>, Wrap.Enumerator <int>, int>(wrapped); // Assert _ = result.Must() .BeEnumerableOf <int>() .BeEqualTo(expected); }
public void First_PredicateAt_With_Empty_Must_Throw(int[] source, PredicateAt <int> predicate) { // Arrange var wrapped = Wrap .AsValueEnumerable(source); // Act Action action = () => _ = ValueEnumerable .Where <Wrap.ValueEnumerable <int>, Wrap.Enumerator <int>, int>(wrapped, predicate) .First(); // Assert _ = action.Must() .Throw <InvalidOperationException>() .EvaluateTrue(exception => exception.Message == "Sequence contains no elements"); }
public void Any_PredicateAt_With_Null_Must_Throw() { // Arrange var source = new int[0]; var wrapped = Wrap.AsValueEnumerable(source); var predicate = (PredicateAt <int>)null; // Act Action action = () => _ = ValueEnumerableExtensions .Any <Wrap.ValueEnumerableWrapper <int>, Wrap.Enumerator <int>, int>(wrapped, predicate); // Assert _ = action.Must() .Throw <ArgumentNullException>() .EvaluateTrue(exception => exception.ParamName == "predicate"); }
public void ElementAt_With_ValidData_Must_Succeed(int[] source, int index) { // Arrange var wrapped = Wrap .AsValueEnumerable(source); var expected = System.Linq.Enumerable.ElementAt(wrapped, index); // Act var result = ValueEnumerable .ElementAt <Wrap.ValueEnumerable <int>, Wrap.Enumerator <int>, int>(wrapped, index); // Assert _ = result.Must() .BeEqualTo(expected); }
public void First_PredicateAt_With_Empty_Must_Return_None(int[] source, PredicateAt <int> predicate) { // Arrange var wrapped = Wrap .AsValueEnumerable(source); // Act var result = ValueEnumerable .Where <Wrap.ValueEnumerable <int>, Wrap.Enumerator <int>, int>(wrapped, predicate) .First(); // Assert _ = result.Must() .BeOfType <Option <int> >() .EvaluateTrue(option => option.IsNone); }
public void Count_With_ValidData_Must_Succeed(int[] source) { // Arrange var wrapped = Wrap .AsValueEnumerable(source); var expected = source .Count(); // Act var result = wrapped .Count <Wrap.ValueEnumerableWrapper <int>, Wrap.Enumerator <int>, int>(); // Assert _ = result.Must() .BeEqualTo(expected); }
public void First_SelectorAt_With_Empty_Must_Return_None(int[] source, SelectorAt <int, string> selector) { // Arrange var wrapped = Wrap .AsValueEnumerable(source); // Act var result = ValueEnumerable .Select <Wrap.ValueEnumerable <int>, Wrap.Enumerator <int>, int, string>(wrapped, selector) .First(); // Assert _ = result.Must() .BeOfType <Option <string> >() .EvaluateTrue(option => option.IsNone); }
public void Contains_ReferenceType_With_Null_And_Contains_Must_ReturnTrue(int[] source) { // Arrange var value = source .Last() .ToString(); var wrapped = Wrap.AsValueEnumerable(source.Select(item => item.ToString()).ToArray()); // Act var result = wrapped .Contains <Wrap.ValueEnumerableWrapper <string>, Wrap.Enumerator <string>, string>(value); // Assert _ = result.Must() .BeTrue(); }
public void Select_With_ValidData_Must_Succeed(int[] source, Func <int, int, string> selector) { // Arrange var wrapped = Wrap.AsValueEnumerable(source); var expected = System.Linq.Enumerable.Select(wrapped, selector); // Act var result = ValueEnumerableExtensions .Select <Wrap.ValueEnumerableWrapper <int>, Wrap.Enumerator <int>, int, string>(wrapped, selector); // Assert _ = result.Must() .BeEnumerableOf <string>() .BeEqualTo(expected); }
public void All_PredicateAt_With_ValidData_Must_Succeed(int[] source, PredicateAt <int> predicate) { // Arrange var wrapped = Wrap.AsValueEnumerable(source); var expected = System.Linq.Enumerable.Count( System.Linq.Enumerable.Where(source, predicate.AsFunc())) == source.Length; // Act var result = ValueEnumerableExtensions .All <Wrap.ValueEnumerableWrapper <int>, Wrap.Enumerator <int>, int>(wrapped, predicate); // Assert _ = result.Must() .BeEqualTo(expected); }
public void SingleOrDefault_Predicate_With_Multiple_Must_Throw(int[] source, Predicate <int> predicate) { // Arrange var wrapped = Wrap .AsValueEnumerable(source); // Act Action action = () => _ = ValueEnumerable .Where <Wrap.ValueEnumerable <int>, Wrap.Enumerator <int>, int>(wrapped, predicate) .SingleOrDefault(); // Assert _ = action.Must() .Throw <InvalidOperationException>() .EvaluateTrue(exception => exception.Message == "Sequence contains more than one element"); }
public void SelectIndex_With_ValidData_Must_Succeed(int[] source) { // Arrange var wrapped = Wrap.AsValueEnumerable(source); var expected = System.Linq.Enumerable.Select(wrapped, (item, index) => (item + index).ToString()); // Act var result = ValueEnumerable .Select <Wrap.ValueEnumerable <int>, Wrap.Enumerator <int>, int, string>(wrapped, (item, index) => (item + index).ToString()); // Assert _ = result.Must() .BeEnumerableOf <string>() .BeEqualTo(expected); }
public void Where_Predicate_With_Null_Must_Throw() { // Arrange var enumerable = Wrap .AsValueEnumerable(new int[0]); var predicate = (Predicate <int>)null; // Act Action action = () => _ = ValueEnumerableExtensions .Where <Wrap.ValueEnumerableWrapper <int>, Wrap.Enumerator <int>, int>(enumerable, predicate); // Assert _ = action.Must() .Throw <ArgumentNullException>() .EvaluateTrue(exception => exception.ParamName == "predicate"); }
public void SingleOrDefault_With_EmptyOrSingle_Must_Succeed(int[] source) { // Arrange var wrapped = Wrap .AsValueEnumerable(source); var expected = System.Linq.Enumerable.SingleOrDefault(source); // Act var result = ValueEnumerable .SingleOrDefault <Wrap.ValueEnumerable <int>, Wrap.Enumerator <int>, int>(wrapped); // Assert _ = result.Must() .BeEqualTo(expected); }
public void Take_With_ValidData_Must_Succeed(int[] source, int count) { // Arrange var wrapped = Wrap.AsValueEnumerable(source); var expected = System.Linq.Enumerable.Take(wrapped, count); // Act var result = ValueEnumerableExtensions .Take <Wrap.ValueEnumerableWrapper <int>, Wrap.Enumerator <int>, int>(wrapped, count); // Assert _ = result.Must() .BeEnumerableOf <int>() .BeEqualTo(expected); }
public void Distinct_With_ValidData_Must_Succeed(int[] source) { // Arrange var wrapped = Wrap.AsValueEnumerable(source); var expected = source .Distinct(); // Act var result = wrapped.AsValueEnumerable() .Distinct(); // Assert _ = result.Must() .BeEnumerableOf <int>() .BeEqualTo(expected); }
public void First_With_ValidData_Must_Return_Some(int[] source) { // Arrange var wrapped = Wrap .AsValueEnumerable(source); var expected = System.Linq.Enumerable.First(source); // Act var result = ValueEnumerable .First <Wrap.ValueEnumerable <int>, Wrap.Enumerator <int>, int>(wrapped); // Assert _ = result.Match( value => value.Must().BeEqualTo(expected), () => throw new Exception()); }
public void Where_With_ValidData_Must_Succeed(int[] source, Func <int, int, bool> predicate) { // Arrange var wrapped = Wrap .AsValueEnumerable(source); var expected = Enumerable .Where(wrapped, predicate); // Act var result = ValueEnumerableExtensions .Where <Wrap.ValueEnumerableWrapper <int>, Wrap.Enumerator <int>, int>(wrapped, predicate); // Assert _ = result.Must() .BeEnumerableOf <int>() .BeEqualTo(expected); }
public void ToArray_MemoryPool_Must_Succeed(int[] source) { // Arrange var pool = MemoryPool <int> .Shared; var wrapped = Wrap .AsValueEnumerable(source); var expected = Enumerable .ToArray(source); // Act using var result = ValueEnumerableExtensions .ToArray <Wrap.ValueEnumerableWrapper <int>, Wrap.Enumerator <int>, int>(wrapped, pool); // Assert _ = result.Memory .SequenceEqual(expected); }
public void Select_Sum_With_ValidData_Must_Succeed(int[] source) { // Arrange var wrapped = Wrap.AsValueEnumerable(source); var expected = source .Select((item, _) => item) .Sum(); // Act var result = wrapped .Select <Wrap.ValueEnumerableWrapper <int>, Wrap.Enumerator <int>, int, int>((item, _) => item) .Sum(); // Assert _ = result.Must() .BeEqualTo(expected); }
public void Single_Predicate_Selector_With_Multiple_Must_Return_None(int[] source, Predicate <int> predicate, Selector <int, string> selector) { // Arrange var wrapped = Wrap .AsValueEnumerable(source); // Act var result = ValueEnumerable .Where <Wrap.ValueEnumerable <int>, Wrap.Enumerator <int>, int>(wrapped, predicate) .Select(selector) .Single(); // Assert _ = result.Must() .BeOfType <Option <string> >() .EvaluateTrue(option => option.IsNone); }