57 lines
2.6 KiB
C#
57 lines
2.6 KiB
C#
// Copyright (c) Microsoft Open Technologies, Inc.
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// All Rights Reserved
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR
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// CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
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// WITHOUT LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF
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// TITLE, FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR
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// NON-INFRINGEMENT.
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// See the Apache 2 License for the specific language governing
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// permissions and limitations under the License.
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using System.IO;
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using Microsoft.AspNet.Razor.Text;
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using Microsoft.AspNet.Razor.Tokenizer;
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using Microsoft.AspNet.Razor.Tokenizer.Symbols;
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using Microsoft.TestCommon;
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namespace Microsoft.AspNet.Razor.Test.Tokenizer
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{
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public class TokenizerLookaheadTest : HtmlTokenizerTestBase
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{
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[Fact]
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public void After_Cancelling_Lookahead_Tokenizer_Returns_Same_Tokens_As_It_Did_Before_Lookahead()
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{
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HtmlTokenizer tokenizer = new HtmlTokenizer(new SeekableTextReader(new StringReader("<foo>")));
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using (tokenizer.Source.BeginLookahead())
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{
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Assert.Equal(new HtmlSymbol(0, 0, 0, "<", HtmlSymbolType.OpenAngle), tokenizer.NextSymbol());
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Assert.Equal(new HtmlSymbol(1, 0, 1, "foo", HtmlSymbolType.Text), tokenizer.NextSymbol());
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Assert.Equal(new HtmlSymbol(4, 0, 4, ">", HtmlSymbolType.CloseAngle), tokenizer.NextSymbol());
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}
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Assert.Equal(new HtmlSymbol(0, 0, 0, "<", HtmlSymbolType.OpenAngle), tokenizer.NextSymbol());
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Assert.Equal(new HtmlSymbol(1, 0, 1, "foo", HtmlSymbolType.Text), tokenizer.NextSymbol());
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Assert.Equal(new HtmlSymbol(4, 0, 4, ">", HtmlSymbolType.CloseAngle), tokenizer.NextSymbol());
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}
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[Fact]
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public void After_Accepting_Lookahead_Tokenizer_Returns_Next_Token()
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{
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HtmlTokenizer tokenizer = new HtmlTokenizer(new SeekableTextReader(new StringReader("<foo>")));
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using (LookaheadToken lookahead = tokenizer.Source.BeginLookahead())
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{
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Assert.Equal(new HtmlSymbol(0, 0, 0, "<", HtmlSymbolType.OpenAngle), tokenizer.NextSymbol());
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Assert.Equal(new HtmlSymbol(1, 0, 1, "foo", HtmlSymbolType.Text), tokenizer.NextSymbol());
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lookahead.Accept();
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}
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Assert.Equal(new HtmlSymbol(4, 0, 4, ">", HtmlSymbolType.CloseAngle), tokenizer.NextSymbol());
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}
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}
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}
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