public void ToString2()
{
ToStringTest(1, 2, 3, 4);
ToStringTest(
new TestVertex("1"),
new TestVertex("2"),
new TestVertex("3"),
new TestVertex("4"));
ToStringTest(
new EquatableTestVertex("1"),
new EquatableTestVertex("2"),
new EquatableTestVertex("3"),
new EquatableTestVertex("4"));
#region Local function
void ToStringTest <TVertex>(
TVertex vertex1,
TVertex vertex2,
TVertex vertex3,
TVertex vertex4)
{
var queue = new BinaryQueue <TVertex, double>(_ => 1.0);
// Empty heap => consistent
StringAssert.StartsWith(Consistent, queue.ToString2());
queue.Enqueue(vertex1);
queue.Enqueue(vertex2);
queue.Enqueue(vertex2);
queue.Enqueue(vertex3);
queue.Enqueue(vertex1);
StringAssert.StartsWith(Consistent, queue.ToString2());
queue.Dequeue();
queue.Dequeue();
StringAssert.StartsWith(Consistent, queue.ToString2());
queue.Dequeue();
queue.Dequeue();
queue.Dequeue();
StringAssert.StartsWith(Consistent, queue.ToString2());
queue.Enqueue(vertex4);
StringAssert.StartsWith(Consistent, queue.ToString2());
}
#endregion
}