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