public void After_Accepting_Lookahead_Tokenizer_Returns_Next_Token()
{
HtmlTokenizer tokenizer = new HtmlTokenizer(new SeekableTextReader(new StringReader("<foo>")));
using (LookaheadToken lookahead = tokenizer.Source.BeginLookahead())
{
Assert.Equal(new HtmlSymbol(0, 0, 0, "<", HtmlSymbolType.OpenAngle), tokenizer.NextSymbol());
Assert.Equal(new HtmlSymbol(1, 0, 1, "foo", HtmlSymbolType.Text), tokenizer.NextSymbol());
lookahead.Accept();
}
Assert.Equal(new HtmlSymbol(4, 0, 4, ">", HtmlSymbolType.CloseAngle), tokenizer.NextSymbol());
}
public void After_Accepting_Lookahead_Tokenizer_Returns_Next_Token()
{
var tokenizer = new HtmlTokenizer(new SeekableTextReader(new StringReader("<foo>")));
using (LookaheadToken lookahead = tokenizer.Source.BeginLookahead())
{
Assert.Equal(new HtmlSymbol(0, 0, 0, "<", HtmlSymbolType.OpenAngle), tokenizer.NextSymbol());
Assert.Equal(new HtmlSymbol(1, 0, 1, "foo", HtmlSymbolType.Text), tokenizer.NextSymbol());
lookahead.Accept();
}
Assert.Equal(new HtmlSymbol(4, 0, 4, ">", HtmlSymbolType.CloseAngle), tokenizer.NextSymbol());
}
public void After_Cancelling_Lookahead_Tokenizer_Returns_Same_Tokens_As_It_Did_Before_Lookahead()
{
var tokenizer = new HtmlTokenizer(new SeekableTextReader(new StringReader("<foo>")));
using (tokenizer.Source.BeginLookahead())
{
Assert.Equal(new HtmlSymbol(0, 0, 0, "<", HtmlSymbolType.OpenAngle), tokenizer.NextSymbol());
Assert.Equal(new HtmlSymbol(1, 0, 1, "foo", HtmlSymbolType.Text), tokenizer.NextSymbol());
Assert.Equal(new HtmlSymbol(4, 0, 4, ">", HtmlSymbolType.CloseAngle), tokenizer.NextSymbol());
}
Assert.Equal(new HtmlSymbol(0, 0, 0, "<", HtmlSymbolType.OpenAngle), tokenizer.NextSymbol());
Assert.Equal(new HtmlSymbol(1, 0, 1, "foo", HtmlSymbolType.Text), tokenizer.NextSymbol());
Assert.Equal(new HtmlSymbol(4, 0, 4, ">", HtmlSymbolType.CloseAngle), tokenizer.NextSymbol());
}
public void After_Cancelling_Lookahead_Tokenizer_Returns_Same_Tokens_As_It_Did_Before_Lookahead()
{
HtmlTokenizer tokenizer = new HtmlTokenizer(new SeekableTextReader(new StringReader("<foo>")));
using (tokenizer.Source.BeginLookahead())
{
Assert.Equal(new HtmlSymbol(0, 0, 0, "<", HtmlSymbolType.OpenAngle), tokenizer.NextSymbol());
Assert.Equal(new HtmlSymbol(1, 0, 1, "foo", HtmlSymbolType.Text), tokenizer.NextSymbol());
Assert.Equal(new HtmlSymbol(4, 0, 4, ">", HtmlSymbolType.CloseAngle), tokenizer.NextSymbol());
}
Assert.Equal(new HtmlSymbol(0, 0, 0, "<", HtmlSymbolType.OpenAngle), tokenizer.NextSymbol());
Assert.Equal(new HtmlSymbol(1, 0, 1, "foo", HtmlSymbolType.Text), tokenizer.NextSymbol());
Assert.Equal(new HtmlSymbol(4, 0, 4, ">", HtmlSymbolType.CloseAngle), tokenizer.NextSymbol());
}
