1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.IO;
using System.Web.Razor.Text;
using System.Web.Razor.Tokenizer;
using System.Web.Razor.Tokenizer.Symbols;
using Xunit;
namespace System.Web.Razor.Test.Tokenizer
{
public class TokenizerLookaheadTest : HtmlTokenizerTestBase
{
[Fact]
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());
}
[Fact]
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());
}
}
}
|
