void Tokenize_String_ReturnsEmptyTokenForEmptyString()
{
string data = string.Empty;
var tokens = WktTokenizer.Tokenize(data);
Assert.Equal(0, tokens.Count());
}
void Tokenize_String_ReturnsEmptyTokenForEmptyString()
{
string data = string.Empty;
var tokens = WktTokenizer.Tokenize(data);
Assert.Empty(tokens);
}
void Tokenize_String_CorrectlyRecognizesTokenTypes(string str, TokenType expectedType)
{
var tokens = WktTokenizer.Tokenize(str).ToArray();
Assert.Equal(1, tokens.Count());
WktToken t = tokens.First();
Assert.Equal(expectedType, t.Type);
Assert.Equal(str, t.Value);
}
void Tokenize_TextReader_ProcessesComplexText()
{
StringReader reader = new StringReader("point z (-10 -15 -100.1)");
var tokens = WktTokenizer.Tokenize(reader).ToArray();
Assert.Equal(11, tokens.Length);
WktToken t = tokens[0];
Assert.Equal(TokenType.STRING, t.Type);
Assert.Equal("point", t.Value);
t = tokens[1];
Assert.Equal(TokenType.WHITESPACE, t.Type);
t = tokens[2];
Assert.Equal(TokenType.STRING, t.Type);
Assert.Equal("z", t.Value);
t = tokens[3];
Assert.Equal(TokenType.WHITESPACE, t.Type);
t = tokens[4];
Assert.Equal(TokenType.LEFT_PARENTHESIS, t.Type);
t = tokens[5];
Assert.Equal(TokenType.NUMBER, t.Type);
Assert.Equal("-10", t.Value);
t = tokens[6];
Assert.Equal(TokenType.WHITESPACE, t.Type);
t = tokens[7];
Assert.Equal(TokenType.NUMBER, t.Type);
Assert.Equal("-15", t.Value);
t = tokens[8];
Assert.Equal(TokenType.WHITESPACE, t.Type);
t = tokens[9];
Assert.Equal(TokenType.NUMBER, t.Type);
Assert.Equal("-100.1", t.Value);
t = tokens[10];
Assert.Equal(TokenType.RIGHT_PARENTHESIS, t.Type);
}
