public void AcceptCorrectLiterals()
{
var input = new[] { "true", "false", "none" };
foreach (var i in input)
{
var l = new Lexer(new StringReader(i));
Assert.AreEqual(TokenType.Literal, l.GetCurrentToken().TokenType);
Assert.AreEqual(i, l.GetCurrentToken().Value);
}
}
public void AcceptCorrectStrings()
{
foreach (var i in EnumerateCorrectStrings())
{
var l = new Lexer(new StringReader(i));
Assert.AreEqual(TokenType.String, l.GetCurrentToken().TokenType);
if (i != l.GetCurrentToken().Value)
{
l = new Lexer(new StringReader(i));
l.GetCurrentToken();
}
Assert.AreEqual(i, l.GetCurrentToken().Value);
}
}
public void ThrowIncorrectLiterals()
{
var input = new[] { "True", "Yes", "yes", "False", "No", "no", "None", "Null", "null", "abc" };
foreach (var i in input)
{
Exception ee = null;
try
{
var l = new Lexer(new StringReader(i));
l.GetCurrentToken();
}
catch (Exception e)
{
ee = e;
}
Assert.IsNotNull(ee);
}
}
public Parser(TextReader textReader)
{
lexer = new Lexer(textReader);
}
public void ThrowIncorrectNumbers()
{
var input = new[] {
"a", "%10",
"+", "+1", "+a",
"-", "--", "-.5", "-e2", "-E2", "-a",
".", ".7", ".+", ".-", "e5", "E5", ".e5", ".E5", ".a", "ae5",
"0.e4", "0.E4", "0.", "0.+", "0.-", "0.a",
"0e", "0E", "0e+", "0E-", "0ec", "0Ec",
"0.1e", "0.1E", "0.1e+", "0.1e-", "0.1ea"
};
foreach (var i in input)
{
Exception ee = null;
try
{
var l = new Lexer(new StringReader(i));
l.GetCurrentToken();
}
catch (Exception e)
{
ee = e;
}
Assert.IsNotNull(ee);
}
}
private void CheckLexerOutput(IEnumerable<Token> expected, Lexer lexer)
{
foreach (var t in expected)
{
Assert.AreEqual(t.TokenType, lexer.GetCurrentToken().TokenType);
Assert.AreEqual(t.Value, lexer.GetCurrentToken().Value);
lexer.NextToken();
}
}
public void ThrowIncorrectStrings()
{
var input = new List<string>();
input.AddRange(new[] { @"""", @"""\""", @"""\u0022", @"""abc" });
input.AddRange(Quote(@"\B", @"\F", @"\N", @"\R", @"\T", @"\a", @"\#"));
input.AddRange(Quote(@"\U0012", @"\u0", @"\u01", @"\u012", @"\u000G", @"\u000g"));
input.AddRange(Quote("\u0011\u0000"));
foreach (var i in input)
{
Exception ee = null;
try
{
var l = new Lexer(new StringReader(i));
l.GetCurrentToken();
}
catch (Exception e)
{
ee = e;
}
Assert.IsNotNull(ee);
}
}
