public void Pop()
{
var stack = new Stack <string>();
try
{
stack.Pop();
Assert.Fail();
}
catch (InvalidOperationException) { }
stack = new Stack <string>(Globals.Strings);
var system = new S.Stack <string>(Globals.Strings);
while (stack.Count != 0)
{
Assert.IsTrue(stack.Pop() == system.Pop());
Comparer <string> .Compare(stack, system);
}
Assert.IsTrue(stack.Count == system.Count && stack.Count == 0);
try
{
stack.Pop();
Assert.Fail();
}
catch (InvalidOperationException) { }
}
public void TryPop()
{
var stack = new Stack <string>(Globals.Strings);
var system = new S.Stack <string>(Globals.Strings);
while (stack.TryPop(out string first))
{
Assert.IsTrue(first == system.Pop());
Comparer <string> .Compare(stack, system);
}
Comparer <string> .Compare(stack, system);
Assert.IsFalse(stack.TryPop(out _));
}