private IScanner CreateMockScanner(TokenList programTokens, bool createProgramBase = true)
{
Queue <KeyValuePair <TokenType, string> > tokens;
if (createProgramBase)
{
tokens = new Queue <KeyValuePair <TokenType, string> >(new TokenList()
{
{ TokenType.KwProgram },
{ TokenType.Identifier, "testprog" },
{ TokenType.LineTerm },
{ TokenType.KwBegin }
});
programTokens.ForEach(tokens.Enqueue);
tokens.Enqueue(new KeyValuePair <TokenType, string>(TokenType.KwEnd, ""));
tokens.Enqueue(new KeyValuePair <TokenType, string>(TokenType.OpDot, ""));
}
else
{
tokens = new Queue <KeyValuePair <TokenType, string> >(programTokens);
}
Func <Token> nextToken = () =>
{
if (tokens.Count > 0)
{
var newToken = tokens.Dequeue();
return(new Token(newToken.Key, 0, 0, newToken.Value));
}
return(new Token(TokenType.EOF, 0, 0));
};
var mock = new Mock <IScanner>();
mock.Setup(x => x.GetNextToken()).Returns(nextToken);
return(mock.Object);
}