287 lines
12 KiB
C#
287 lines
12 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.Collections.Generic;
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using System.Net.Http.Formatting.DataSets;
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using System.Text;
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using Microsoft.TestCommon;
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using Xunit;
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using Xunit.Extensions;
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using Assert = Microsoft.TestCommon.AssertEx;
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namespace System.Net.Http.Formatting.Parsers
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{
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public class HttpStatusLineParserTests
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{
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[Fact]
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[Trait("Description", "HttpStatusLineParser is internal class")]
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public void TypeIsCorrect()
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{
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Assert.Type.HasProperties<HttpStatusLineParser>(TypeAssert.TypeProperties.IsClass);
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}
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internal static byte[] CreateBuffer(string version, string statusCode, string reasonPhrase)
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{
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return CreateBuffer(version, statusCode, reasonPhrase, false);
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}
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private static byte[] CreateBuffer(string version, string statusCode, string reasonPhrase, bool withLws)
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{
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const string SP = " ";
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const string HTAB = "\t";
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const string CRLF = "\r\n";
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string lws = SP;
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if (withLws)
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{
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lws = SP + SP + HTAB + SP;
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}
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string statusLine = String.Format("{0}{1}{2}{3}{4}{5}", version, lws, statusCode, lws, reasonPhrase, CRLF);
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return Encoding.UTF8.GetBytes(statusLine);
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}
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private static ParserState ParseBufferInSteps(HttpStatusLineParser parser, byte[] buffer, int readsize, out int totalBytesConsumed)
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{
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ParserState state = ParserState.Invalid;
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totalBytesConsumed = 0;
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while (totalBytesConsumed <= buffer.Length)
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{
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int size = Math.Min(buffer.Length - totalBytesConsumed, readsize);
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byte[] parseBuffer = new byte[size];
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Buffer.BlockCopy(buffer, totalBytesConsumed, parseBuffer, 0, size);
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int bytesConsumed = 0;
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state = parser.ParseBuffer(parseBuffer, parseBuffer.Length, ref bytesConsumed);
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totalBytesConsumed += bytesConsumed;
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if (state != ParserState.NeedMoreData)
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{
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return state;
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}
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}
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return state;
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}
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private static void ValidateResult(HttpUnsortedResponse statusLine, Version version, HttpStatusCode statusCode, string reasonPhrase)
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{
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Assert.Equal(version, statusLine.Version);
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Assert.Equal(statusCode, statusLine.StatusCode);
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Assert.Equal(reasonPhrase, statusLine.ReasonPhrase);
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}
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[Fact]
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[Trait("Description", "HttpStatusLineParser constructor throws on invalid arguments")]
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public void HttpStatusLineParserConstructorTest()
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{
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HttpUnsortedResponse statusLine = new HttpUnsortedResponse();
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Assert.NotNull(statusLine);
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Assert.ThrowsArgumentGreaterThanOrEqualTo(() => new HttpStatusLineParser(statusLine, ParserData.MinStatusLineSize - 1),
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"maxStatusLineSize", ParserData.MinStatusLineSize.ToString(), ParserData.MinStatusLineSize - 1);
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HttpStatusLineParser parser = new HttpStatusLineParser(statusLine, ParserData.MinStatusLineSize);
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Assert.NotNull(parser);
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Assert.ThrowsArgumentNull(() => { new HttpStatusLineParser(null, ParserData.MinStatusLineSize); }, "httpResponse");
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}
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[Fact]
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[Trait("Description", "HttpStatusLineParser.ParseBuffer throws on null buffer.")]
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public void StatusLineParserNullBuffer()
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{
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HttpUnsortedResponse statusLine = new HttpUnsortedResponse();
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HttpStatusLineParser parser = new HttpStatusLineParser(statusLine, ParserData.MinStatusLineSize);
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Assert.NotNull(parser);
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int bytesConsumed = 0;
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Assert.ThrowsArgumentNull(() => { parser.ParseBuffer(null, 0, ref bytesConsumed); }, "buffer");
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}
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[Fact]
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[Trait("Description", "HttpStatusLineParser.ParseBuffer parses minimum requestline.")]
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public void StatusLineParserMinimumBuffer()
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{
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byte[] data = CreateBuffer("HTTP/1.1", "200", "");
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HttpUnsortedResponse statusLine = new HttpUnsortedResponse();
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HttpStatusLineParser parser = new HttpStatusLineParser(statusLine, ParserData.MinStatusLineSize);
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Assert.NotNull(parser);
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int bytesConsumed = 0;
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ParserState state = parser.ParseBuffer(data, data.Length, ref bytesConsumed);
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Assert.Equal(ParserState.Done, state);
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Assert.Equal(data.Length, bytesConsumed);
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ValidateResult(statusLine, new Version("1.1"), HttpStatusCode.OK, "");
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}
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[Fact]
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[Trait("Description", "HttpStatusLineParser.ParseBuffer rejects LWS requestline.")]
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public void StatusLineParserRejectsLws()
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{
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byte[] data = CreateBuffer("HTTP/1.1", "200", "Reason", true);
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for (var cnt = 1; cnt <= data.Length; cnt++)
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{
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HttpUnsortedResponse statusLine = new HttpUnsortedResponse();
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HttpStatusLineParser parser = new HttpStatusLineParser(statusLine, data.Length);
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Assert.NotNull(parser);
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int totalBytesConsumed = 0;
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ParserState state = ParseBufferInSteps(parser, data, cnt, out totalBytesConsumed);
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Assert.Equal(ParserState.Invalid, state);
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}
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}
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[Fact]
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[Trait("Description", "HttpStatusLineParser.ParseBuffer parses standard status codes.")]
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public void StatusLineParserAcceptsStandardStatusCodes()
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{
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foreach (HttpStatusCode status in HttpUnitTestDataSets.AllHttpStatusCodes)
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{
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byte[] data = CreateBuffer("HTTP/1.1", ((int)status).ToString(), "Reason");
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for (var cnt = 1; cnt <= data.Length; cnt++)
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{
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HttpUnsortedResponse statusLine = new HttpUnsortedResponse();
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HttpStatusLineParser parser = new HttpStatusLineParser(statusLine, data.Length);
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Assert.NotNull(parser);
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int totalBytesConsumed = 0;
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ParserState state = ParseBufferInSteps(parser, data, cnt, out totalBytesConsumed);
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Assert.Equal(ParserState.Done, state);
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Assert.Equal(data.Length, totalBytesConsumed);
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ValidateResult(statusLine, new Version("1.1"), status, "Reason");
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}
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}
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}
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[Fact]
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[Trait("Description", "HttpStatusLineParser.ParseBuffer parses custom status codes.")]
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public void StatusLineParserAcceptsCustomStatusCodes()
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{
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foreach (HttpStatusCode status in HttpUnitTestDataSets.CustomHttpStatusCodes)
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{
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byte[] data = CreateBuffer("HTTP/1.1", ((int)status).ToString(), "Reason");
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for (var cnt = 1; cnt <= data.Length; cnt++)
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{
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HttpUnsortedResponse statusLine = new HttpUnsortedResponse();
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HttpStatusLineParser parser = new HttpStatusLineParser(statusLine, data.Length);
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Assert.NotNull(parser);
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int totalBytesConsumed = 0;
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ParserState state = ParseBufferInSteps(parser, data, cnt, out totalBytesConsumed);
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Assert.Equal(ParserState.Done, state);
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Assert.Equal(data.Length, totalBytesConsumed);
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ValidateResult(statusLine, new Version("1.1"), status, "Reason");
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}
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}
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}
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[Fact]
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[Trait("Description", "HttpStatusLineParser.ParseBuffer rejects invalid status codes")]
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public void StatusLineParserRejectsInvalidStatusCodes()
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{
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foreach (string invalidStatus in ParserData.InvalidStatusCodes)
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{
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byte[] data = CreateBuffer("HTTP/1.1", invalidStatus, "Reason");
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for (var cnt = 1; cnt <= data.Length; cnt++)
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{
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HttpUnsortedResponse statusLine = new HttpUnsortedResponse();
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HttpStatusLineParser parser = new HttpStatusLineParser(statusLine, 256);
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Assert.NotNull(parser);
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int totalBytesConsumed = 0;
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ParserState state = ParseBufferInSteps(parser, data, cnt, out totalBytesConsumed);
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Assert.Equal(ParserState.Invalid, state);
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}
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}
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}
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public static IEnumerable<object[]> ValidReasonPhrases
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{
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get
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{
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yield return new object[] { "" };
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yield return new object[] { "Ok" };
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yield return new object[] { "public Server Error" };
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yield return new object[] { "r e a s o n" };
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yield return new object[] { "reason " };
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yield return new object[] { " reason " };
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}
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}
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[Theory]
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[PropertyData("ValidReasonPhrases")]
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[Trait("Description", "HttpStatusLineParser.ParseBuffer accepts valid reason phrase.")]
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public void StatusLineParserAcceptsValidReasonPhrase(string validReasonPhrase)
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{
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byte[] data = CreateBuffer("HTTP/1.1", "200", validReasonPhrase);
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for (var cnt = 1; cnt <= data.Length; cnt++)
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{
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HttpUnsortedResponse statusLine = new HttpUnsortedResponse();
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HttpStatusLineParser parser = new HttpStatusLineParser(statusLine, 256);
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Assert.NotNull(parser);
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int totalBytesConsumed = 0;
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ParserState state = ParseBufferInSteps(parser, data, cnt, out totalBytesConsumed);
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ValidateResult(statusLine, new Version("1.1"), HttpStatusCode.OK, validReasonPhrase);
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}
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}
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public static IEnumerable<object[]> Versions
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{
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get { return ParserData.Versions; }
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}
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[Theory]
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[PropertyData("Versions")]
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[Trait("Description", "HttpStatusLineParser.ParseBuffer accepts valid versions.")]
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public void StatusLineParserAcceptsValidVersion(Version version)
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{
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byte[] data = CreateBuffer(String.Format("HTTP/{0}", version.ToString(2)), "200", "Reason");
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for (var cnt = 1; cnt <= data.Length; cnt++)
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{
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HttpUnsortedResponse statusLine = new HttpUnsortedResponse();
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HttpStatusLineParser parser = new HttpStatusLineParser(statusLine, 256);
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Assert.NotNull(parser);
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int totalBytesConsumed = 0;
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ParserState state = ParseBufferInSteps(parser, data, cnt, out totalBytesConsumed);
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Assert.Equal(data.Length, totalBytesConsumed);
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ValidateResult(statusLine, version, HttpStatusCode.OK, "Reason");
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}
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}
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public static IEnumerable<object[]> InvalidVersions
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{
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get { return ParserData.InvalidVersions; }
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}
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[Theory]
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[PropertyData("InvalidVersions")]
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[Trait("Description", "HttpStatusLineParser.ParseBuffer rejects invalid protocol version.")]
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public void StatusLineParserRejectsInvalidVersion(string invalidVersion)
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{
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byte[] data = CreateBuffer(invalidVersion, "200", "Reason");
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for (var cnt = 1; cnt <= data.Length; cnt++)
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{
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HttpUnsortedResponse statusLine = new HttpUnsortedResponse();
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HttpStatusLineParser parser = new HttpStatusLineParser(statusLine, 256);
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Assert.NotNull(parser);
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int totalBytesConsumed = 0;
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ParserState state = ParseBufferInSteps(parser, data, cnt, out totalBytesConsumed);
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Assert.Equal(ParserState.Invalid, state);
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}
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}
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}
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}
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