public void ShouldThrowWhenNotLiteralToken()
{
ExpressionLexer lexer = new ExpressionLexer("potato", false, false);
Action read = () => lexer.ReadLiteralToken();
read.ShouldThrow <ODataException>().WithMessage(ODataErrorStrings.ExpressionLexer_ExpectedLiteralToken("potato"));
}
/// <summary>Reads the next token, checks that it is a literal token type, converts to to a Common Language Runtime value as appropriate, and returns the value.</summary>
/// <param name="expressionLexer">The expression lexer.</param>
/// <returns>The value represented by the next token.</returns>
internal static object ReadLiteralToken(this ExpressionLexer expressionLexer)
{
expressionLexer.NextToken();
if (expressionLexer.CurrentToken.Kind.IsLiteralType())
{
return(TryParseLiteral(expressionLexer));
}
throw new ODataException(ODataErrorStrings.ExpressionLexer_ExpectedLiteralToken(expressionLexer.CurrentToken.Text));
}