77 lines
3.2 KiB
C#
77 lines
3.2 KiB
C#
// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
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using System.Diagnostics;
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using System.IO;
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using System.Text;
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using System.Web.Razor.Text;
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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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namespace System.Web.Razor.Test.Tokenizer
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{
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public abstract class TokenizerTestBase<TSymbol, TSymbolType>
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where TSymbol : SymbolBase<TSymbolType>
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{
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protected abstract TSymbol IgnoreRemaining { get; }
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protected abstract Tokenizer<TSymbol, TSymbolType> CreateTokenizer(ITextDocument source);
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protected void TestTokenizer(string input, params TSymbol[] expectedSymbols)
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{
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// Arrange
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bool success = true;
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StringBuilder output = new StringBuilder();
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using (StringReader reader = new StringReader(input))
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{
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using (SeekableTextReader source = new SeekableTextReader(reader))
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{
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Tokenizer<TSymbol, TSymbolType> tokenizer = CreateTokenizer(source);
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int counter = 0;
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TSymbol current = null;
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while ((current = tokenizer.NextSymbol()) != null)
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{
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if (counter >= expectedSymbols.Length)
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{
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output.AppendLine(String.Format("F: Expected: << Nothing >>; Actual: {0}", current));
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success = false;
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}
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else if (ReferenceEquals(expectedSymbols[counter], IgnoreRemaining))
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{
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output.AppendLine(String.Format("P: Ignored {0}", current));
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}
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else
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{
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if (!Equals(expectedSymbols[counter], current))
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{
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output.AppendLine(String.Format("F: Expected: {0}; Actual: {1}", expectedSymbols[counter], current));
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success = false;
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}
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else
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{
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output.AppendLine(String.Format("P: Expected: {0}", expectedSymbols[counter]));
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}
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counter++;
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}
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}
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if (counter < expectedSymbols.Length && !ReferenceEquals(expectedSymbols[counter], IgnoreRemaining))
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{
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success = false;
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for (; counter < expectedSymbols.Length; counter++)
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{
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output.AppendLine(String.Format("F: Expected: {0}; Actual: << None >>", expectedSymbols[counter]));
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}
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}
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}
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}
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Assert.True(success, "\r\n" + output.ToString());
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WriteTraceLine(output.Replace("{", "{{").Replace("}", "}}").ToString());
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}
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[Conditional("PARSER_TRACE")]
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private static void WriteTraceLine(string format, params object[] args)
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{
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Trace.WriteLine(String.Format(format, args));
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}
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}
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}
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