public void ReadingWorks()
{
LookAheadBuffer buffer = CreateBuffer("abcdefghi", 4);
FieldInfo count = buffer.GetType().GetField("count", BindingFlags.Instance | BindingFlags.NonPublic);
Assert.IsNotNull(count, "Failed to obtain the count field.");
Assert.AreEqual(0, count.GetValue(buffer), "-");
Assert.AreEqual('a', buffer.Peek(0), "a");
Assert.AreEqual(1, count.GetValue(buffer), "a");
Assert.AreEqual('b', buffer.Peek(1), "b");
Assert.AreEqual(2, count.GetValue(buffer), "b");
Assert.AreEqual('c', buffer.Peek(2), "c");
Assert.AreEqual(3, count.GetValue(buffer), "c");
buffer.Skip(1);
Assert.AreEqual(2, count.GetValue(buffer), "c1");
Assert.AreEqual('b', buffer.Peek(0), "b1");
Assert.AreEqual(2, count.GetValue(buffer), "b1");
Assert.AreEqual('c', buffer.Peek(1), "c2");
Assert.AreEqual(2, count.GetValue(buffer), "c2");
Assert.AreEqual('d', buffer.Peek(2), "d");
Assert.AreEqual(3, count.GetValue(buffer), "d");
Assert.AreEqual('e', buffer.Peek(3), "e");
Assert.AreEqual(4, count.GetValue(buffer), "e");
buffer.Skip(1);
Assert.AreEqual(3, count.GetValue(buffer), "e1");
buffer.Skip(1);
Assert.AreEqual(2, count.GetValue(buffer), "e2");
buffer.Skip(1);
Assert.AreEqual(1, count.GetValue(buffer), "e3");
buffer.Skip(1);
Assert.AreEqual(0, count.GetValue(buffer), "e4");
Assert.AreEqual('f', buffer.Peek(0), "f");
Assert.AreEqual(1, count.GetValue(buffer), "f");
buffer.Skip(1);
Assert.AreEqual(0, count.GetValue(buffer), "f1");
Assert.AreEqual('g', buffer.Peek(0), "g");
Assert.AreEqual(1, count.GetValue(buffer), "g");
buffer.Skip(1);
Assert.AreEqual(0, count.GetValue(buffer), "g1");
Assert.AreEqual('h', buffer.Peek(0), "h");
Assert.AreEqual(1, count.GetValue(buffer), "h");
buffer.Skip(1);
Assert.AreEqual(0, count.GetValue(buffer), "h1");
Assert.AreEqual('i', buffer.Peek(0), "i");
Assert.AreEqual(1, count.GetValue(buffer), "i");
buffer.Skip(1);
Assert.AreEqual(0, count.GetValue(buffer), "i1");
Assert.IsFalse(buffer.EndOfInput);
Assert.AreEqual('\0', buffer.Peek(0), "\\0");
Assert.IsTrue(buffer.EndOfInput);
Assert.AreEqual(0, count.GetValue(buffer), "\\0");
}
public void ReadingWorks()
{
LookAheadBuffer buffer = CreateBuffer("abcdefghi", 4);
FieldInfo count = buffer.GetType().GetField("count", BindingFlags.Instance | BindingFlags.NonPublic);
Assert.NotNull(count);
Assert.Equal(0, count.GetValue(buffer));
Assert.Equal('a', buffer.Peek(0));
Assert.Equal(1, count.GetValue(buffer));
Assert.Equal('b', buffer.Peek(1));
Assert.Equal(2, count.GetValue(buffer));
Assert.Equal('c', buffer.Peek(2));
Assert.Equal(3, count.GetValue(buffer));
buffer.Skip(1);
Assert.Equal(2, count.GetValue(buffer));
Assert.Equal('b', buffer.Peek(0));
Assert.Equal(2, count.GetValue(buffer));
Assert.Equal('c', buffer.Peek(1));
Assert.Equal(2, count.GetValue(buffer));
Assert.Equal('d', buffer.Peek(2));
Assert.Equal(3, count.GetValue(buffer));
Assert.Equal('e', buffer.Peek(3));
Assert.Equal(4, count.GetValue(buffer));
buffer.Skip(1);
Assert.Equal(3, count.GetValue(buffer));
buffer.Skip(1);
Assert.Equal(2, count.GetValue(buffer));
buffer.Skip(1);
Assert.Equal(1, count.GetValue(buffer));
buffer.Skip(1);
Assert.Equal(0, count.GetValue(buffer));
Assert.Equal('f', buffer.Peek(0));
Assert.Equal(1, count.GetValue(buffer));
buffer.Skip(1);
Assert.Equal(0, count.GetValue(buffer));
Assert.Equal('g', buffer.Peek(0));
Assert.Equal(1, count.GetValue(buffer));
buffer.Skip(1);
Assert.Equal(0, count.GetValue(buffer));
Assert.Equal('h', buffer.Peek(0));
Assert.Equal(1, count.GetValue(buffer));
buffer.Skip(1);
Assert.Equal(0, count.GetValue(buffer));
Assert.Equal('i', buffer.Peek(0));
Assert.Equal(1, count.GetValue(buffer));
buffer.Skip(1);
Assert.Equal(0, count.GetValue(buffer));
Assert.False(buffer.EndOfInput);
Assert.Equal('\0', buffer.Peek(0));
Assert.True(buffer.EndOfInput);
Assert.Equal(0, count.GetValue(buffer));
}
