public static void TryPeekTest()
{
var valueStack = new ValueStack <int>(new int[] { 1, 2, 3 });
var result = valueStack.TryPeek(out var value);
Assert.That(() => result,
Is.True
);
Assert.That(() => value,
Is.EqualTo(3)
);
valueStack.Push(4);
result = valueStack.TryPeek(out value);
Assert.That(() => result,
Is.True
);
Assert.That(() => value,
Is.EqualTo(4)
);
Assert.That(() => valueStack,
Has.Property("Capacity").EqualTo(6)
.And.Count.EqualTo(4)
);
valueStack = new ValueStack <int>();
Assert.That(() => valueStack.TryPeek(out _),
Is.False
);
}
