public void WhereRef_Predicate_With_ValidData_Must_Succeed(int[] source, Func <int, bool> predicate)
{
// Arrange
var function = Wrap.AsFunctionIn(predicate);
var expected = Enumerable
.Where(source, predicate);
// Act
var result = ArrayExtensions
.Where(source.AsSpan(), function);
// Assert
_ = result.SequenceEqual(expected).Must().BeTrue();
}
public void WhereRef_Predicate_With_ValidData_Must_Succeed(int[] source, Func <int, bool> predicate)
{
// Arrange
var function = Wrap.AsFunctionIn(predicate);
var expected = Enumerable
.Where(source, predicate);
// Act
var result = source.AsMemory().AsValueEnumerableRef()
.Where(function);
// Assert
_ = result.Must()
.BeEnumerableOf <int>()
.BeEqualTo(expected, testRefStructs: false, testRefReturns: false);
_ = result.SequenceEqual(expected).Must().BeTrue();
}
public void WhereAtRef_With_NullArray_Must_Succeed()
{
// Arrange
var source = default(ArraySegment <int>);
var function = Wrap.AsFunctionIn <int, int, bool>((_, __) => true);
var expected = Enumerable.Empty <int>();
// Act
var result = ArrayExtensions
.Where(source, function);
// Assert
_ = result.Must()
.BeEnumerableOf <int>()
.BeEqualTo(expected, testRefStructs: false, testRefReturns: false);
_ = result.SequenceEqual(expected).Must().BeTrue();
}
public void WhereAtRef_With_ValidData_Must_Succeed(int[] source, int skip, int take, Func <int, int, bool> predicate)
{
// Arrange
var(offset, count) = Utils.SkipTake(source.Length, skip, take);
var wrapped = new ArraySegment <int>(source, offset, count);
var function = Wrap.AsFunctionIn(predicate);
var expected = Enumerable
.Where(wrapped, predicate);
// Act
var result = ArrayExtensions
.Where(wrapped, function);
// Assert
_ = result.Must()
.BeEnumerableOf <int>()
.BeEqualTo(expected, testRefStructs: false, testRefReturns: false);
_ = result.SequenceEqual(expected).Must().BeTrue();
}
public void WhereAtRef_PredicateAt_With_ValidData_Must_Succeed(int[] source, Func <int, int, bool> predicate)
{
// Arrange
var list = source.ToList();
var function = Wrap.AsFunctionIn(predicate);
var expected = Enumerable
.Where(source, predicate);
// Act
var result = list.AsValueEnumerableRef()
.Where(function);
// Assert
#if NETCOREAPP3_1 || NET5_0
//_ = result.Must()
// .BeEnumerableOf<int>()
// .BeEqualTo(expected, testRefStructs: false);
#else
_ = result.Must()
.BeEnumerableOf <int>()
.BeEqualTo(expected, testRefStructs: false, testRefReturns: false);
#endif
_ = result.SequenceEqual(expected).Must().BeTrue();
}
