public void testUnionAndConnected_MultiConnection()
{
QuickUnionUF quickUnionUF = new QuickUnionUF(10);
quickUnionUF.Union(0, 1);
quickUnionUF.Union(2, 1);
Assert.IsTrue(quickUnionUF.Connected(0, 1));
Assert.IsTrue(quickUnionUF.Connected(2, 1));
Assert.IsTrue(quickUnionUF.Connected(2, 0));
Assert.AreEqual(8, quickUnionUF.Count());
Assert.AreEqual(1, quickUnionUF.Find(1));
Assert.AreEqual(1, quickUnionUF.Find(0));
Assert.AreEqual(1, quickUnionUF.Find(2));
quickUnionUF.Union(2, 5);
Assert.IsTrue(quickUnionUF.Connected(0, 1));
Assert.IsTrue(quickUnionUF.Connected(2, 1));
Assert.IsTrue(quickUnionUF.Connected(2, 0));
Assert.IsTrue(quickUnionUF.Connected(5, 0));
Assert.IsTrue(quickUnionUF.Connected(5, 1));
Assert.IsTrue(quickUnionUF.Connected(5, 2));
Assert.AreEqual(7, quickUnionUF.Count());
Assert.AreEqual(5, quickUnionUF.Find(1));
Assert.AreEqual(5, quickUnionUF.Find(0));
Assert.AreEqual(5, quickUnionUF.Find(2));
Assert.AreEqual(5, quickUnionUF.Find(5));
}
public void testUnionAndConnected_NewConnection()
{
QuickUnionUF quickUnionUF = new QuickUnionUF(10);
Assert.IsFalse(quickUnionUF.Connected(0, 1));
Assert.AreEqual(10, quickUnionUF.Count());
quickUnionUF.Union(0, 1);
Assert.IsTrue(quickUnionUF.Connected(0, 1));
Assert.AreEqual(9, quickUnionUF.Count());
Assert.AreEqual(1, quickUnionUF.Find(1));
Assert.AreEqual(1, quickUnionUF.Find(0));
}