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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Web.Razor.Tokenizer;
using System.Web.Razor.Tokenizer.Symbols;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Razor.Test.Tokenizer
{
public class VBTokenizerTest : VBTokenizerTestBase
{
[Fact]
public void Constructor_Throws_ArgNull_If_Null_Source_Provided()
{
Assert.ThrowsArgumentNull(() => new CSharpTokenizer(null), "source");
}
[Fact]
public void Next_Returns_Null_When_EOF_Reached()
{
TestTokenizer("");
}
[Fact]
public void Next_Returns_Newline_Token_For_Single_CR()
{
TestTokenizer("\r\ra",
new VBSymbol(0, 0, 0, "\r", VBSymbolType.NewLine),
new VBSymbol(1, 1, 0, "\r", VBSymbolType.NewLine),
IgnoreRemaining);
}
[Fact]
public void Next_Returns_Newline_Token_For_Single_LF()
{
TestTokenizer("\n\na",
new VBSymbol(0, 0, 0, "\n", VBSymbolType.NewLine),
new VBSymbol(1, 1, 0, "\n", VBSymbolType.NewLine),
IgnoreRemaining);
}
[Fact]
public void Next_Returns_Newline_Token_For_Single_NEL()
{
// NEL: Unicode "Next Line" U+0085
TestTokenizer("\u0085\u0085a",
new VBSymbol(0, 0, 0, "\u0085", VBSymbolType.NewLine),
new VBSymbol(1, 1, 0, "\u0085", VBSymbolType.NewLine),
IgnoreRemaining);
}
[Fact]
public void Next_Returns_Newline_Token_For_Single_Line_Separator()
{
// Unicode "Line Separator" U+2028
TestTokenizer("\u2028\u2028a",
new VBSymbol(0, 0, 0, "\u2028", VBSymbolType.NewLine),
new VBSymbol(1, 1, 0, "\u2028", VBSymbolType.NewLine),
IgnoreRemaining);
}
[Fact]
public void Next_Returns_Newline_Token_For_Single_Paragraph_Separator()
{
// Unicode "Paragraph Separator" U+2029
TestTokenizer("\u2029\u2029a",
new VBSymbol(0, 0, 0, "\u2029", VBSymbolType.NewLine),
new VBSymbol(1, 1, 0, "\u2029", VBSymbolType.NewLine),
IgnoreRemaining);
}
[Fact]
public void Next_Returns_Single_Newline_Token_For_CRLF()
{
TestTokenizer("\r\n\r\na",
new VBSymbol(0, 0, 0, "\r\n", VBSymbolType.NewLine),
new VBSymbol(2, 1, 0, "\r\n", VBSymbolType.NewLine),
IgnoreRemaining);
}
[Fact]
public void Next_Returns_Token_For_Whitespace_Characters()
{
TestTokenizer(" \f\t\u000B \n ",
new VBSymbol(0, 0, 0, " \f\t\u000B ", VBSymbolType.WhiteSpace),
new VBSymbol(5, 0, 5, "\n", VBSymbolType.NewLine),
new VBSymbol(6, 1, 0, " ", VBSymbolType.WhiteSpace));
}
[Fact]
public void Transition_Is_Recognized()
{
TestSingleToken("@", VBSymbolType.Transition);
}
}
}
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