public static void ContainsTest()
{
var valueStack = new ValueStack <int>(new int[] { 1, 2, 3 });
Assert.That(() => valueStack.Contains(1),
Is.True
);
Assert.That(() => valueStack.Contains(4),
Is.False
);
_ = valueStack.Pop();
valueStack.Push(4);
Assert.That(() => valueStack.Contains(3),
Is.False
);
Assert.That(() => valueStack.Contains(4),
Is.True
);
_ = valueStack.Pop();
valueStack.Push(5);
valueStack.Push(6);
Assert.That(() => valueStack.Contains(4),
Is.False
);
Assert.That(() => valueStack.Contains(5),
Is.True
);
Assert.That(() => valueStack.Contains(6),
Is.True
);
valueStack = new ValueStack <int>();
Assert.That(() => valueStack.Contains(0),
Is.False
);
}
