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

107 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 Xunit;
namespace Microsoft.AspNetCore.Razor.Language.Legacy
{
public class CSharpTokenizerTest : CSharpTokenizerTestBase
{
private new CSharpToken IgnoreRemaining => (CSharpToken)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",
new CSharpToken("\r", CSharpTokenType.NewLine),
new CSharpToken("\r", CSharpTokenType.NewLine),
IgnoreRemaining);
}
[Fact]
public void Next_Returns_Newline_Token_For_Single_LF()
{
TestTokenizer(
"\n\na",
new CSharpToken("\n", CSharpTokenType.NewLine),
new CSharpToken("\n", CSharpTokenType.NewLine),
IgnoreRemaining);
}
[Fact]
public void Next_Returns_Newline_Token_For_Single_NEL()
{
// NEL: Unicode "Next Line" U+0085
TestTokenizer(
"\u0085\u0085a",
new CSharpToken("\u0085", CSharpTokenType.NewLine),
new CSharpToken("\u0085", CSharpTokenType.NewLine),
IgnoreRemaining);
}
[Fact]
public void Next_Returns_Newline_Token_For_Single_Line_Separator()
{
// Unicode "Line Separator" U+2028
TestTokenizer(
"\u2028\u2028a",
new CSharpToken("\u2028", CSharpTokenType.NewLine),
new CSharpToken("\u2028", CSharpTokenType.NewLine),
IgnoreRemaining);
}
[Fact]
public void Next_Returns_Newline_Token_For_Single_Paragraph_Separator()
{
// Unicode "Paragraph Separator" U+2029
TestTokenizer(
"\u2029\u2029a",
new CSharpToken("\u2029", CSharpTokenType.NewLine),
new CSharpToken("\u2029", CSharpTokenType.NewLine),
IgnoreRemaining);
}
[Fact]
public void Next_Returns_Single_Newline_Token_For_CRLF()
{
TestTokenizer(
"\r\n\r\na",
new CSharpToken("\r\n", CSharpTokenType.NewLine),
new CSharpToken("\r\n", CSharpTokenType.NewLine),
IgnoreRemaining);
}
[Fact]
public void Next_Returns_Token_For_Whitespace_Characters()
{
TestTokenizer(
" \f\t\u000B \n ",
new CSharpToken(" \f\t\u000B ", CSharpTokenType.WhiteSpace),
new CSharpToken("\n", CSharpTokenType.NewLine),
new CSharpToken(" ", CSharpTokenType.WhiteSpace));
}
[Fact]
public void Transition_Is_Recognized()
{
TestSingleToken("@", CSharpTokenType.Transition);
}
[Fact]
public void Transition_Is_Recognized_As_SingleCharacter()
{
TestTokenizer(
"@(",
new CSharpToken("@", CSharpTokenType.Transition),
new CSharpToken("(", CSharpTokenType.LeftParenthesis));
}
}
}