public void Question_3_4_BasicCases()
{
var item1 = 1;
var item2 = 2;
var item3 = 3;
var item4 = 0;
var item5 = -1;
var qs = new QueueFromStacks <int>();
qs.Push(item1);
qs.Push(item2);
qs.Push(item3);
qs.Push(item4);
qs.Push(item5);
var pop1 = qs.Pop();
var pop2 = qs.Pop();
var pop3 = qs.Pop();
var pop4 = qs.Pop();
var pop5 = qs.Pop();
Assert.AreEqual(pop1, item1);
Assert.AreEqual(pop2, item2);
Assert.AreEqual(pop3, item3);
Assert.AreEqual(pop4, item4);
Assert.AreEqual(pop5, item5);
}
public void Question_3_4_InvalidCases()
{
var stack = new QueueFromStacks <int>();
TestHelpers.AssertExceptionThrown(() => { stack.Pop(); }, typeof(InvalidOperationException));
}
