public void TestResetOnANTLRStringStream()
{
ANTLRStringStream stream = new ANTLRStringStream("One\r\nTwo");
Assert.AreEqual(0, stream.Index);
Assert.AreEqual(0, stream.CharPositionInLine);
Assert.AreEqual(1, stream.Line);
stream.Consume(); // O
stream.Consume(); // n
Assert.AreEqual('e', stream.LA(1));
Assert.AreEqual(2, stream.Index);
stream.Reset();
Assert.AreEqual('O', stream.LA(1));
Assert.AreEqual(0, stream.Index);
Assert.AreEqual(0, stream.CharPositionInLine);
Assert.AreEqual(1, stream.Line);
stream.Consume(); // O
Assert.AreEqual('n', stream.LA(1));
Assert.AreEqual(1, stream.Index);
Assert.AreEqual(1, stream.CharPositionInLine);
Assert.AreEqual(1, stream.Line);
stream.Consume(); // n
Assert.AreEqual('e', stream.LA(1));
Assert.AreEqual(2, stream.Index);
Assert.AreEqual(2, stream.CharPositionInLine);
Assert.AreEqual(1, stream.Line);
stream.Consume(); // e
}
public void TestConsumeOnANTLRStringStream()
{
ANTLRStringStream stream = new ANTLRStringStream("One\r\nTwo");
Assert.AreEqual(0, stream.Index);
Assert.AreEqual(0, stream.CharPositionInLine);
Assert.AreEqual(1, stream.Line);
stream.Consume(); // O
Assert.AreEqual(1, stream.Index);
Assert.AreEqual(1, stream.CharPositionInLine);
Assert.AreEqual(1, stream.Line);
stream.Consume(); // n
Assert.AreEqual(2, stream.Index);
Assert.AreEqual(2, stream.CharPositionInLine);
Assert.AreEqual(1, stream.Line);
stream.Consume(); // e
Assert.AreEqual(3, stream.Index);
Assert.AreEqual(3, stream.CharPositionInLine);
Assert.AreEqual(1, stream.Line);
stream.Consume(); // \r
Assert.AreEqual(4, stream.Index);
Assert.AreEqual(4, stream.CharPositionInLine);
Assert.AreEqual(1, stream.Line);
stream.Consume(); // \n
Assert.AreEqual(5, stream.Index);
Assert.AreEqual(0, stream.CharPositionInLine);
Assert.AreEqual(2, stream.Line);
stream.Consume(); // T
Assert.AreEqual(6, stream.Index);
Assert.AreEqual(1, stream.CharPositionInLine);
Assert.AreEqual(2, stream.Line);
stream.Consume(); // w
Assert.AreEqual(7, stream.Index);
Assert.AreEqual(2, stream.CharPositionInLine);
Assert.AreEqual(2, stream.Line);
stream.Consume(); // o
Assert.AreEqual(8, stream.Index);
Assert.AreEqual(3, stream.CharPositionInLine);
Assert.AreEqual(2, stream.Line);
stream.Consume(); // EOF
Assert.AreEqual(8, stream.Index);
Assert.AreEqual(3, stream.CharPositionInLine);
Assert.AreEqual(2, stream.Line);
stream.Consume(); // EOF
Assert.AreEqual(8, stream.Index);
Assert.AreEqual(3, stream.CharPositionInLine);
Assert.AreEqual(2, stream.Line);
}
public void TestSubstringOnANTLRStringStream()
{
ANTLRStringStream stream = new ANTLRStringStream("One\r\nTwo\r\nThree");
Assert.AreEqual("Two", stream.Substring(5, 7));
Assert.AreEqual("One", stream.Substring(0, 2));
Assert.AreEqual("Three", stream.Substring(10, 14));
stream.Consume();
Assert.AreEqual("Two", stream.Substring(5, 7));
Assert.AreEqual("One", stream.Substring(0, 2));
Assert.AreEqual("Three", stream.Substring(10, 14));
}
public void Consume()
{
stream.Consume();
}
public void TestSubstringOnANTLRStringStream()
{
ANTLRStringStream stream = new ANTLRStringStream("One\r\nTwo\r\nThree");
Assert.AreEqual("Two", stream.Substring(5, 7));
Assert.AreEqual("One", stream.Substring(0, 2));
Assert.AreEqual("Three", stream.Substring(10, 14));
stream.Consume();
Assert.AreEqual("Two", stream.Substring(5, 7));
Assert.AreEqual("One", stream.Substring(0, 2));
Assert.AreEqual("Three", stream.Substring(10, 14));
}
public void TestResetOnANTLRStringStream()
{
ANTLRStringStream stream = new ANTLRStringStream("One\r\nTwo");
Assert.AreEqual(0, stream.Index());
Assert.AreEqual(0, stream.CharPositionInLine);
Assert.AreEqual(1, stream.Line);
stream.Consume(); // O
stream.Consume(); // n
Assert.AreEqual('e', stream.LA(1));
Assert.AreEqual(2, stream.Index());
stream.Reset();
Assert.AreEqual('O', stream.LA(1));
Assert.AreEqual(0, stream.Index());
Assert.AreEqual(0, stream.CharPositionInLine);
Assert.AreEqual(1, stream.Line);
stream.Consume(); // O
Assert.AreEqual('n', stream.LA(1));
Assert.AreEqual(1, stream.Index());
Assert.AreEqual(1, stream.CharPositionInLine);
Assert.AreEqual(1, stream.Line);
stream.Consume(); // n
Assert.AreEqual('e', stream.LA(1));
Assert.AreEqual(2, stream.Index());
Assert.AreEqual(2, stream.CharPositionInLine);
Assert.AreEqual(1, stream.Line);
stream.Consume(); // e
}
public void TestConsumeOnANTLRStringStream()
{
ANTLRStringStream stream = new ANTLRStringStream("One\r\nTwo");
Assert.AreEqual(0, stream.Index());
Assert.AreEqual(0, stream.CharPositionInLine);
Assert.AreEqual(1, stream.Line);
stream.Consume(); // O
Assert.AreEqual(1, stream.Index());
Assert.AreEqual(1, stream.CharPositionInLine);
Assert.AreEqual(1, stream.Line);
stream.Consume(); // n
Assert.AreEqual(2, stream.Index());
Assert.AreEqual(2, stream.CharPositionInLine);
Assert.AreEqual(1, stream.Line);
stream.Consume(); // e
Assert.AreEqual(3, stream.Index());
Assert.AreEqual(3, stream.CharPositionInLine);
Assert.AreEqual(1, stream.Line);
stream.Consume(); // \r
Assert.AreEqual(4, stream.Index());
Assert.AreEqual(4, stream.CharPositionInLine);
Assert.AreEqual(1, stream.Line);
stream.Consume(); // \n
Assert.AreEqual(5, stream.Index());
Assert.AreEqual(0, stream.CharPositionInLine);
Assert.AreEqual(2, stream.Line);
stream.Consume(); // T
Assert.AreEqual(6, stream.Index());
Assert.AreEqual(1, stream.CharPositionInLine);
Assert.AreEqual(2, stream.Line);
stream.Consume(); // w
Assert.AreEqual(7, stream.Index());
Assert.AreEqual(2, stream.CharPositionInLine);
Assert.AreEqual(2, stream.Line);
stream.Consume(); // o
Assert.AreEqual(8, stream.Index());
Assert.AreEqual(3, stream.CharPositionInLine);
Assert.AreEqual(2, stream.Line);
stream.Consume(); // EOF
Assert.AreEqual(8, stream.Index());
Assert.AreEqual(3, stream.CharPositionInLine);
Assert.AreEqual(2, stream.Line);
stream.Consume(); // EOF
Assert.AreEqual(8, stream.Index());
Assert.AreEqual(3, stream.CharPositionInLine);
Assert.AreEqual(2, stream.Line);
}