aspnetcore/test/Microsoft.AspNetCore.Razor..../Legacy/CSharpTokenizerTest.cs

108 lines
3.4 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using Microsoft.AspNetCore.Razor.Language.Syntax.InternalSyntax;
using Xunit;
namespace Microsoft.AspNetCore.Razor.Language.Legacy
{
public class CSharpTokenizerTest : CSharpTokenizerTestBase
{
private new SyntaxToken IgnoreRemaining => (SyntaxToken)base.IgnoreRemaining;
[Fact]
public void Next_Returns_Null_When_EOF_Reached()
{
TestTokenizer("");
}
[Fact]
public void Next_Returns_Newline_Token_For_Single_CR()
{
TestTokenizer(
"\r\ra",
SyntaxFactory.Token(SyntaxKind.NewLine, "\r"),
SyntaxFactory.Token(SyntaxKind.NewLine, "\r"),
IgnoreRemaining);
}
[Fact]
public void Next_Returns_Newline_Token_For_Single_LF()
{
TestTokenizer(
"\n\na",
SyntaxFactory.Token(SyntaxKind.NewLine, "\n"),
SyntaxFactory.Token(SyntaxKind.NewLine, "\n"),
IgnoreRemaining);
}
[Fact]
public void Next_Returns_Newline_Token_For_Single_NEL()
{
// NEL: Unicode "Next Line" U+0085
TestTokenizer(
"\u0085\u0085a",
SyntaxFactory.Token(SyntaxKind.NewLine, "\u0085"),
SyntaxFactory.Token(SyntaxKind.NewLine, "\u0085"),
IgnoreRemaining);
}
[Fact]
public void Next_Returns_Newline_Token_For_Single_Line_Separator()
{
// Unicode "Line Separator" U+2028
TestTokenizer(
"\u2028\u2028a",
SyntaxFactory.Token(SyntaxKind.NewLine, "\u2028"),
SyntaxFactory.Token(SyntaxKind.NewLine, "\u2028"),
IgnoreRemaining);
}
[Fact]
public void Next_Returns_Newline_Token_For_Single_Paragraph_Separator()
{
// Unicode "Paragraph Separator" U+2029
TestTokenizer(
"\u2029\u2029a",
SyntaxFactory.Token(SyntaxKind.NewLine, "\u2029"),
SyntaxFactory.Token(SyntaxKind.NewLine, "\u2029"),
IgnoreRemaining);
}
[Fact]
public void Next_Returns_Single_Newline_Token_For_CRLF()
{
TestTokenizer(
"\r\n\r\na",
SyntaxFactory.Token(SyntaxKind.NewLine, "\r\n"),
SyntaxFactory.Token(SyntaxKind.NewLine, "\r\n"),
IgnoreRemaining);
}
[Fact]
public void Next_Returns_Token_For_Whitespace_Characters()
{
TestTokenizer(
" \f\t\u000B \n ",
SyntaxFactory.Token(SyntaxKind.Whitespace, " \f\t\u000B "),
SyntaxFactory.Token(SyntaxKind.NewLine, "\n"),
SyntaxFactory.Token(SyntaxKind.Whitespace, " "));
}
[Fact]
public void Transition_Is_Recognized()
{
TestSingleToken("@", SyntaxKind.Transition);
}
[Fact]
public void Transition_Is_Recognized_As_SingleCharacter()
{
TestTokenizer(
"@(",
SyntaxFactory.Token(SyntaxKind.Transition, "@"),
SyntaxFactory.Token(SyntaxKind.LeftParenthesis, "("));
}
}
}