public void TestLineBlocks()
{
using (TextLine <object> line = new TextLine <object>())
{
line.Edit(0, 0, "Vczh is a genius!");
Assert.AreEqual(0, line.BlockCount);
Assert.IsFalse(line.AddBlock(3, 3));
Assert.AreEqual(0, line.BlockCount);
Assert.IsFalse(line.AddBlock(-1, 5));
Assert.AreEqual(0, line.BlockCount);
Assert.IsFalse(line.AddBlock(8, 20));
Assert.AreEqual(0, line.BlockCount);
Assert.IsTrue(line.AddBlock(5, 9));
Assert.AreEqual(1, line.BlockCount);
Assert.AreEqual(Tuple.Create(5, 9), line.GetBlockByIndex(0));
Assert.IsTrue(line.AddBlock(1, 4));
Assert.AreEqual(2, line.BlockCount);
Assert.AreEqual(Tuple.Create(5, 9), line.GetBlockByIndex(0));
Assert.AreEqual(Tuple.Create(1, 4), line.GetBlockByIndex(1));
Assert.IsTrue(line.AddBlock(9, 10));
Assert.AreEqual(3, line.BlockCount);
Assert.AreEqual(Tuple.Create(5, 9), line.GetBlockByIndex(0));
Assert.AreEqual(Tuple.Create(1, 4), line.GetBlockByIndex(1));
Assert.AreEqual(Tuple.Create(9, 10), line.GetBlockByIndex(2));
Assert.IsFalse(line.AddBlock(7, 13));
Assert.IsFalse(line.AddBlock(0, 3));
Assert.IsFalse(line.RemoveBlock(0, 0));
Assert.IsTrue(line.RemoveBlock(1, 4));
Assert.IsTrue(line.RemoveBlock(9, 10));
Assert.AreEqual(1, line.BlockCount);
Assert.AreEqual(Tuple.Create(5, 9), line.GetBlockByIndex(0));
for (int i = 0; i < 17; i++)
{
Assert.AreEqual(i == 9 ? 5 : i, line.GetLeftBlock(i));
Assert.AreEqual(i == 5 ? 9 : i, line.GetRightBlock(i));
if (5 < i && i < 9)
{
Assert.AreEqual(Tuple.Create(5, 9), line.GetBlock(i));
}
else
{
Assert.AreEqual(Tuple.Create(i, i), line.GetBlock(i));
}
}
line.Edit(10, 0, "X");
Assert.AreEqual(1, line.BlockCount);
Assert.AreEqual(Tuple.Create(5, 9), line.GetBlockByIndex(0));
line.Edit(9, 1, "ABCDEFG");
Assert.AreEqual(1, line.BlockCount);
Assert.AreEqual(Tuple.Create(5, 9), line.GetBlockByIndex(0));
line.Edit(3, 1, "XYZ");
Assert.AreEqual(1, line.BlockCount);
Assert.AreEqual(Tuple.Create(7, 11), line.GetBlockByIndex(0));
line.Edit(6, 1, "");
Assert.AreEqual(1, line.BlockCount);
Assert.AreEqual(Tuple.Create(6, 10), line.GetBlockByIndex(0));
line.Edit(0, line.CharCount, "Vczh is a genius!");
Assert.AreEqual(0, line.BlockCount);
Assert.IsTrue(line.AddBlock(5, 9));
Assert.AreEqual(1, line.BlockCount);
Assert.AreEqual(Tuple.Create(5, 9), line.GetBlockByIndex(0));
line.Edit(4, 2, "");
Assert.AreEqual(0, line.BlockCount);
line.Edit(0, line.CharCount, "Vczh is a genius!");
Assert.AreEqual(0, line.BlockCount);
Assert.IsTrue(line.AddBlock(5, 9));
Assert.AreEqual(1, line.BlockCount);
Assert.AreEqual(Tuple.Create(5, 9), line.GetBlockByIndex(0));
line.Edit(7, 4, "123");
Assert.AreEqual(0, line.BlockCount);
line.Edit(0, line.CharCount, "Vczh is a genius!");
Assert.AreEqual(0, line.BlockCount);
Assert.IsTrue(line.AddBlock(5, 9));
Assert.AreEqual(1, line.BlockCount);
Assert.AreEqual(Tuple.Create(5, 9), line.GetBlockByIndex(0));
line.Edit(5, 4, "..");
Assert.AreEqual(0, line.BlockCount);
line.Edit(0, line.CharCount, "Vczh is a genius!");
Assert.AreEqual(0, line.BlockCount);
Assert.IsTrue(line.AddBlock(5, 9));
Assert.AreEqual(1, line.BlockCount);
Assert.AreEqual(Tuple.Create(5, 9), line.GetBlockByIndex(0));
line.Edit(4, 6, "..");
Assert.AreEqual(0, line.BlockCount);
line.Edit(0, line.CharCount, "Vczh is a genius!");
Assert.AreEqual(0, line.BlockCount);
Assert.IsTrue(line.AddBlock(5, 9));
Assert.AreEqual(1, line.BlockCount);
Assert.AreEqual(Tuple.Create(5, 9), line.GetBlockByIndex(0));
line.Edit(4, 5, "..");
Assert.AreEqual(0, line.BlockCount);
line.Edit(0, line.CharCount, "Vczh is a genius!");
Assert.AreEqual(0, line.BlockCount);
Assert.IsTrue(line.AddBlock(5, 9));
Assert.AreEqual(1, line.BlockCount);
Assert.AreEqual(Tuple.Create(5, 9), line.GetBlockByIndex(0));
line.Edit(5, 5, "..");
Assert.AreEqual(0, line.BlockCount);
}
}