public void EmptyTest()
{
var queue = PhysicistsQueue <string> .Empty;
Assert.IsTrue(PhysicistsQueue <string> .IsEmpty(queue));
queue = PhysicistsQueue <string> .Snoc(queue, "Item");
Assert.IsFalse(PhysicistsQueue <string> .IsEmpty(queue));
queue = PhysicistsQueue <string> .Tail(queue);
Assert.IsTrue(PhysicistsQueue <string> .IsEmpty(queue));
}
public void SnocTest()
{
var queue = PhysicistsQueue <string> .Empty;
queue = PhysicistsQueue <string> .Snoc(queue, "One");
Assert.AreEqual("[[One], 1, [One], 0, null]", DumpQueue(queue, false));
queue = PhysicistsQueue <string> .Snoc(queue, "Two");
Assert.AreEqual("[[One], 1, [One], 1, [Two]]", DumpQueue(queue, false));
queue = PhysicistsQueue <string> .Snoc(queue, "Three");
Assert.AreEqual("[[One], 3, $[One, Two, Three], 0, null]", DumpQueue(queue, true));
}
public void EmptySnocTest()
{
var ex = AssertThrows <NullReferenceException>(() => PhysicistsQueue <string> .Snoc(null, "Item"));
Assert.AreEqual("Object reference not set to an instance of an object.", ex.Message);
}
