public void RRandomElement__SourceHasMoreThanOneElement_And_AllElementsSatisfyPredicate__ReturnsAnElementFromTheSource() { var source = new[] { 1, 2, 3 }; // ReSharper disable PossibleInvalidOperationException CollectionAssert.Contains(source, source.RandomElement(o => true).Value); // ReSharper restore PossibleInvalidOperationException }
public void RandomElement__SourceHasOneElement_And_ElementSatisfiesPredicate__ReturnsThatElement() { var source = new[] { 1 }; // ReSharper disable PossibleInvalidOperationException Assert.That(source.RandomElement(o => true).Value, Is.EqualTo(source[0])); // ReSharper restore PossibleInvalidOperationException }
public void RandomElement__SourceHasMoreThanOneElement_And_SomeElementsSatisfyPredicate__ReturnsAnElementFromTheSourceThatSatisfyPredicate() { var source = new[] { 1, 2, 3 }; var elementsThatSatisfyPredicate = new[] { source[0], source[2] }; // ReSharper disable PossibleInvalidOperationException CollectionAssert.Contains(elementsThatSatisfyPredicate, source.RandomElement(elementsThatSatisfyPredicate.Contains).Value); // ReSharper restore PossibleInvalidOperationException }
public void RandomElement__SourceHasOneElement_And_ElementDoesNotSatisfyPredicate__ReturnsNone() { var source = new[] { 1 }; Assert.That(source.RandomElement(o => false).HasValue, Is.False); }
public void RandomElement__SourceHasMoreThanOneElement_And_AllElementsDoNotSatisfyPredicate__ReturnsNone() { var source = new[] { 1, 2, 3 }; Assert.That(source.RandomElement(o => false).HasValue, Is.False); }