public void FindOffset_Char__ReturnsCorrectValue()
{
var reader = new StringCodeReader("aaa bbb");
Assert.AreEqual(0, reader.FindOffset('a'));
Assert.AreEqual(0, reader.Position);
Assert.AreEqual(4, reader.FindOffset('b'));
Assert.AreEqual(0, reader.Position);
reader.Advance(2);
Assert.AreEqual(0, reader.FindOffset('a'));
Assert.AreEqual(2, reader.Position);
Assert.AreEqual(2, reader.FindOffset('b'));
Assert.AreEqual(2, reader.Position);
Assert.AreEqual(-1, reader.FindOffset('c'));
Assert.AreEqual(2, reader.Position);
}
public void FindOffset_Char_Int32__ReturnsCorrectValue()
{
var reader = new StringCodeReader("aaa bbb");
Assert.AreEqual(1, reader.FindOffset('a', 1));
Assert.AreEqual(0, reader.Position);
Assert.AreEqual(5, reader.FindOffset('b', 5));
Assert.AreEqual(0, reader.Position);
Assert.AreEqual(-1, reader.FindOffset('b', 8));
Assert.AreEqual(0, reader.Position);
reader.Advance(2);
Assert.AreEqual(-1, reader.FindOffset('a', 1));
Assert.AreEqual(2, reader.Position);
Assert.AreEqual(3, reader.FindOffset('b', 3));
Assert.AreEqual(2, reader.Position);
Assert.AreEqual(-1, reader.FindOffset('c'));
Assert.AreEqual(2, reader.Position);
Assert.AreEqual(-1, reader.FindOffset('b', 6));
Assert.AreEqual(2, reader.Position);
Assert.ThrowsException <ArgumentOutOfRangeException>(() => reader.FindOffset('a', -1),
"The offset must be positivel.");
}
public void FindOffset_String__ReturnsCorrectValue()
{
var reader = new StringCodeReader("aaa bbb");
Assert.AreEqual(0, reader.FindOffset("aaa"));
Assert.AreEqual(0, reader.Position);
Assert.AreEqual(4, reader.FindOffset("bbb"));
Assert.AreEqual(0, reader.Position);
reader.Advance(1);
Assert.AreEqual(0, reader.FindOffset("aa"));
Assert.AreEqual(1, reader.Position);
Assert.AreEqual(-1, reader.FindOffset("aaa"));
Assert.AreEqual(1, reader.Position);
Assert.AreEqual(3, reader.FindOffset("bbb"));
Assert.AreEqual(1, reader.Position);
Assert.AreEqual(-1, reader.FindOffset("ccc"));
Assert.AreEqual(1, reader.Position);
#nullable disable
