public void AssertPeekIsTypeOf_AdditionToken_ThrowsException()
{
Tokens tokens = new Tokens(new List <Token> {
new Token(TokenType.Addition)
});
Assert.Throws <UnexpectedTokenException>(() => tokens.AssertPeekIsTypeOf(TokenType.Subtraction));
}
private List <SyntaxNode> ReadFactorOperands(SyntaxNode firstTerm)
{
List <SyntaxNode> operands = new List <SyntaxNode> {
firstTerm
};
while (NextTokenIsExponentOperator())
{
tokens.AssertCanRead();
tokens.AssertPeekIsTypeOf(TokenType.Exponent);
tokens.Next();
operands.Add(ReadFormal());
}
return(operands);
}