private IEnumerable <SkipToBoundaryTestCase> CreateEmptyBufferTestCases()
{
List <SkipToBoundaryTestCase> testCases = new List <SkipToBoundaryTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
BoundaryStrings,
LineFeeds,
(boundaryString, lineFeed) =>
{
SkipToBoundaryTestCase testCase = new SkipToBoundaryTestCase(boundaryString, lineFeed)
{
DebugDescription = "Skip to boundary '" + boundaryString + "' in empty buffer.",
PayloadFunc = builder => builder.ResetMemoryStream(),
ExpectedIsEndBoundary = false,
ExpectedBoundaryFound = false,
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = 0,
NumberOfBytesInBuffer = 0,
}
};
testCases.Add(testCase);
});
return(testCases);
}
private IEnumerable <SkipToBoundaryTestCase> CreatePartialBoundaryAtStreamEndTestCases()
{
List <SkipToBoundaryTestCase> testCases = new List <SkipToBoundaryTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
BoundaryStrings,
LeadingLineFeedForBoundary,
LineFeeds,
new bool[] { false, true },
(boundaryString, leadingBoundaryLineFeed, lineFeed, isEndBoundary) =>
{
// Fill the buffer with 'a' bytes and leave some room for the line feed,
// the two dashes and the first byte of the boundary
int leadingLineFeedLength = leadingBoundaryLineFeed ? lineFeed.Length : 0;
int partialBoundaryLength = leadingLineFeedLength + BatchReaderStreamTestUtils.TwoDashesLength + 1;
int bytesBeforePartialBoundary = BatchReaderStreamBufferWrapper.BufferLength - partialBoundaryLength;
SkipToBoundaryTestCase testCase = new SkipToBoundaryTestCase(boundaryString, lineFeed)
{
DebugDescription = "Skip to boundary " + boundaryString + " with partial " + (isEndBoundary ? "end" : "start") + " delimiter at the end of the stream.",
PayloadFunc = builder => leadingBoundaryLineFeed
? builder
.FillBytes(bytesBeforePartialBoundary, 'a')
.LineFeed()
.Chars(MemoryStreamBatchPayloadBuilder.BoundaryDelimiter)
.Chars(boundaryString[0])
.ResetMemoryStream()
: builder
.FillBytes(bytesBeforePartialBoundary, 'a')
.Chars(MemoryStreamBatchPayloadBuilder.BoundaryDelimiter)
.Chars(boundaryString[0])
.ResetMemoryStream(),
ExpectedBoundaryFound = false,
ExpectedIsEndBoundary = false,
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = partialBoundaryLength,
NumberOfBytesInBuffer = 0,
}
};
testCases.Add(testCase);
});
return(testCases);
}
private IEnumerable <SkipToBoundaryTestCase> CreateBoundaryAtTheEndTestCases()
{
List <SkipToBoundaryTestCase> testCases = new List <SkipToBoundaryTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
BoundaryStrings,
LeadingLineFeedForBoundary,
WhitespaceCounts,
LineFeeds,
new bool[] { false, true },
(boundaryString, leadingBoundaryLineFeed, whitespaceCount, lineFeed, isEndBoundary) =>
{
int leadingLineFeedLength = leadingBoundaryLineFeed ? lineFeed.Length : 0;
int startBoundaryLength = leadingLineFeedLength + BatchReaderStreamTestUtils.TwoDashesLength + boundaryString.Length + whitespaceCount + lineFeed.Length;
int endBoundaryLength = startBoundaryLength + BatchReaderStreamTestUtils.TwoDashesLength;
SkipToBoundaryTestCase testCase = new SkipToBoundaryTestCase(boundaryString, lineFeed)
{
DebugDescription = "Skip to boundary " + boundaryString + " with " + (isEndBoundary ? "end" : "start") + " delimiter at the end.",
PayloadFunc = builder => isEndBoundary
? builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 1 - endBoundaryLength, 'a')
.EndBoundary(boundaryString, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(1, 'b')
.ResetMemoryStream()
: builder
// NOTE: we keep 3 bytes at the end of the buffer here since the algorithm always tries
// to match the end boundary and otherwise reports a partial match.
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 3 - startBoundaryLength, 'a')
.StartBoundary(boundaryString, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(3, 'b')
.ResetMemoryStream(),
ExpectedBoundaryFound = true,
ExpectedIsEndBoundary = isEndBoundary,
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = BatchReaderStreamBufferWrapper.BufferLength - (isEndBoundary ? 1 : 3),
NumberOfBytesInBuffer = isEndBoundary ? 1 : 3,
}
};
testCases.Add(testCase);
});
return(testCases);
}
private IEnumerable <SkipToBoundaryTestCase> CreateBoundaryAcrossBuffersTestCases()
{
List <SkipToBoundaryTestCase> testCases = new List <SkipToBoundaryTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
BoundaryStrings,
LeadingLineFeedForBoundary,
WhitespaceCounts,
LineFeeds,
new bool[] { false, true },
(boundaryString, leadingBoundaryLineFeed, whitespaceCount, lineFeed, isEndBoundary) =>
{
int leadingLineFeedLength = leadingBoundaryLineFeed ? lineFeed.Length : 0;
int startBoundaryLength = leadingLineFeedLength + BatchReaderStreamTestUtils.TwoDashesLength + boundaryString.Length + whitespaceCount + lineFeed.Length;
int endBoundaryLength = startBoundaryLength + BatchReaderStreamTestUtils.TwoDashesLength;
int boundaryLength = isEndBoundary ? endBoundaryLength : startBoundaryLength;
SkipToBoundaryTestCase testCase = new SkipToBoundaryTestCase(boundaryString, lineFeed)
{
DebugDescription = "Skip to boundary " + boundaryString + " with " + (isEndBoundary ? "end" : "start") + " delimiter across buffer boundaries.",
PayloadFunc = builder => isEndBoundary
? builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 2, 'a')
.EndBoundary(boundaryString, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(100, 'b')
.ResetMemoryStream()
: builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 2, 'a')
.StartBoundary(boundaryString, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(100, 'b')
.ResetMemoryStream(),
ExpectedBoundaryFound = true,
ExpectedIsEndBoundary = isEndBoundary,
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = boundaryLength,
NumberOfBytesInBuffer = 100,
}
};
testCases.Add(testCase);
});
return(testCases);
}
/// <summary>
/// Copy constructor.
/// </summary>
/// <param name="other">The test case instance to copy.</param>
public SkipToBoundaryTestCase(SkipToBoundaryTestCase other)
: base(other)
{
this.ExpectedBoundaryFound = other.ExpectedBoundaryFound;
this.ExpectedIsEndBoundary = other.ExpectedIsEndBoundary;
}
private IEnumerable<SkipToBoundaryTestCase> CreateEmptyBufferTestCases()
{
List<SkipToBoundaryTestCase> testCases = new List<SkipToBoundaryTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
BoundaryStrings,
LineFeeds,
(boundaryString, lineFeed) =>
{
SkipToBoundaryTestCase testCase = new SkipToBoundaryTestCase(boundaryString, lineFeed)
{
DebugDescription = "Skip to boundary '" + boundaryString + "' in empty buffer.",
PayloadFunc = builder => builder.ResetMemoryStream(),
ExpectedIsEndBoundary = false,
ExpectedBoundaryFound = false,
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = 0,
NumberOfBytesInBuffer = 0,
}
};
testCases.Add(testCase);
});
return testCases;
}
private IEnumerable <SkipToBoundaryTestCase> CreateNoBoundaryTestCases()
{
List <SkipToBoundaryTestCase> testCases = new List <SkipToBoundaryTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
BoundaryStrings.Where(str => str.Length > 1), // excluding '-' boundary string since partials would be the empty string which this test does not handle
LeadingLineFeedForBoundary,
WhitespaceCounts,
LineFeeds,
new bool[] { false, true },
(boundaryString, leadingBoundaryLineFeed, whitespaceCount, lineFeed, isEndBoundary) =>
{
string almostBoundary = boundaryString.Substring(0, boundaryString.Length - 1);
int leadingLineFeedLength = leadingBoundaryLineFeed ? lineFeed.Length : 0;
int startBoundaryLength = leadingLineFeedLength + BatchReaderStreamTestUtils.TwoDashesLength + almostBoundary.Length + whitespaceCount + lineFeed.Length;
int endBoundaryLength = startBoundaryLength + BatchReaderStreamTestUtils.TwoDashesLength;
int almostBoundaryLength = isEndBoundary ? endBoundaryLength : startBoundaryLength;
// Use a stream where a string similar to the boundary is included
SkipToBoundaryTestCase testCase = new SkipToBoundaryTestCase(boundaryString, lineFeed)
{
DebugDescription = "Skip to boundary '" + boundaryString + "' in stream with similar string in first buffer.",
PayloadFunc = builder => isEndBoundary
? builder
.FillBytes(200, 'a')
.EndBoundary(almostBoundary, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(200, 'b')
.ResetMemoryStream()
: builder
.FillBytes(200, 'a')
.StartBoundary(almostBoundary, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(200, 'b')
.ResetMemoryStream(),
ExpectedIsEndBoundary = false,
ExpectedBoundaryFound = false,
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = 0,
NumberOfBytesInBuffer = 0,
}
};
testCases.Add(testCase);
// Use a stream where a string similar to the boundary exists in the second buffer
testCase = new SkipToBoundaryTestCase(boundaryString, lineFeed)
{
DebugDescription = "Skip to boundary '" + boundaryString + "' in stream with similar string in second buffer.",
PayloadFunc = builder => isEndBoundary
? builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength, 'a')
.FillBytes(200, 'b')
.EndBoundary(almostBoundary, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(200, 'c')
.ResetMemoryStream()
: builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength, 'a')
.FillBytes(200, 'b')
.StartBoundary(almostBoundary, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(200, 'c')
.ResetMemoryStream(),
ExpectedIsEndBoundary = false,
ExpectedBoundaryFound = false,
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = 0,
NumberOfBytesInBuffer = 0,
}
};
testCases.Add(testCase);
// Use a stream where a string similar to the boundary exists across buffers
testCase = new SkipToBoundaryTestCase(boundaryString, lineFeed)
{
DebugDescription = "Skip to boundary '" + boundaryString + "' in stream with similar string across buffers.",
PayloadFunc = builder => isEndBoundary
? builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 3, 'a')
.EndBoundary(almostBoundary, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(200, 'b')
.ResetMemoryStream()
: builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 3, 'a')
.StartBoundary(almostBoundary, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(200, 'b')
.ResetMemoryStream(),
ExpectedIsEndBoundary = false,
ExpectedBoundaryFound = false,
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = 0,
NumberOfBytesInBuffer = 0,
}
};
testCases.Add(testCase);
});
return(testCases);
}
/// <summary>
/// Copy constructor.
/// </summary>
/// <param name="other">The test case instance to copy.</param>
public SkipToBoundaryTestCase(SkipToBoundaryTestCase other)
: base(other)
{
this.ExpectedBoundaryFound = other.ExpectedBoundaryFound;
this.ExpectedIsEndBoundary = other.ExpectedIsEndBoundary;
}
private IEnumerable<SkipToBoundaryTestCase> CreatePartialBoundaryAtStreamEndTestCases()
{
List<SkipToBoundaryTestCase> testCases = new List<SkipToBoundaryTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
BoundaryStrings,
LeadingLineFeedForBoundary,
LineFeeds,
new bool[] { false, true },
(boundaryString, leadingBoundaryLineFeed, lineFeed, isEndBoundary) =>
{
// Fill the buffer with 'a' bytes and leave some room for the line feed,
// the two dashes and the first byte of the boundary
int leadingLineFeedLength = leadingBoundaryLineFeed ? lineFeed.Length : 0;
int partialBoundaryLength = leadingLineFeedLength + BatchReaderStreamTestUtils.TwoDashesLength + 1;
int bytesBeforePartialBoundary = BatchReaderStreamBufferWrapper.BufferLength - partialBoundaryLength;
SkipToBoundaryTestCase testCase = new SkipToBoundaryTestCase(boundaryString, lineFeed)
{
DebugDescription = "Skip to boundary " + boundaryString + " with partial " + (isEndBoundary ? "end" : "start") + " delimiter at the end of the stream.",
PayloadFunc = builder => leadingBoundaryLineFeed
? builder
.FillBytes(bytesBeforePartialBoundary, 'a')
.LineFeed()
.Chars(MemoryStreamBatchPayloadBuilder.BoundaryDelimiter)
.Chars(boundaryString[0])
.ResetMemoryStream()
: builder
.FillBytes(bytesBeforePartialBoundary, 'a')
.Chars(MemoryStreamBatchPayloadBuilder.BoundaryDelimiter)
.Chars(boundaryString[0])
.ResetMemoryStream(),
ExpectedBoundaryFound = false,
ExpectedIsEndBoundary = false,
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = partialBoundaryLength,
NumberOfBytesInBuffer = 0,
}
};
testCases.Add(testCase);
});
return testCases;
}
private IEnumerable<SkipToBoundaryTestCase> CreateBoundaryAcrossBuffersTestCases()
{
List<SkipToBoundaryTestCase> testCases = new List<SkipToBoundaryTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
BoundaryStrings,
LeadingLineFeedForBoundary,
WhitespaceCounts,
LineFeeds,
new bool[] { false, true },
(boundaryString, leadingBoundaryLineFeed, whitespaceCount, lineFeed, isEndBoundary) =>
{
int leadingLineFeedLength = leadingBoundaryLineFeed ? lineFeed.Length : 0;
int startBoundaryLength = leadingLineFeedLength + BatchReaderStreamTestUtils.TwoDashesLength + boundaryString.Length + whitespaceCount + lineFeed.Length;
int endBoundaryLength = startBoundaryLength + BatchReaderStreamTestUtils.TwoDashesLength;
int boundaryLength = isEndBoundary ? endBoundaryLength : startBoundaryLength;
SkipToBoundaryTestCase testCase = new SkipToBoundaryTestCase(boundaryString, lineFeed)
{
DebugDescription = "Skip to boundary " + boundaryString + " with " + (isEndBoundary ? "end" : "start") + " delimiter across buffer boundaries.",
PayloadFunc = builder => isEndBoundary
? builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 2, 'a')
.EndBoundary(boundaryString, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(100, 'b')
.ResetMemoryStream()
: builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 2, 'a')
.StartBoundary(boundaryString, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(100, 'b')
.ResetMemoryStream(),
ExpectedBoundaryFound = true,
ExpectedIsEndBoundary = isEndBoundary,
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = boundaryLength,
NumberOfBytesInBuffer = 100,
}
};
testCases.Add(testCase);
});
return testCases;
}
private IEnumerable<SkipToBoundaryTestCase> CreateBoundaryAtTheEndTestCases()
{
List<SkipToBoundaryTestCase> testCases = new List<SkipToBoundaryTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
BoundaryStrings,
LeadingLineFeedForBoundary,
WhitespaceCounts,
LineFeeds,
new bool[] { false, true },
(boundaryString, leadingBoundaryLineFeed, whitespaceCount, lineFeed, isEndBoundary) =>
{
int leadingLineFeedLength = leadingBoundaryLineFeed ? lineFeed.Length : 0;
int startBoundaryLength = leadingLineFeedLength + BatchReaderStreamTestUtils.TwoDashesLength + boundaryString.Length + whitespaceCount + lineFeed.Length;
int endBoundaryLength = startBoundaryLength + BatchReaderStreamTestUtils.TwoDashesLength;
SkipToBoundaryTestCase testCase = new SkipToBoundaryTestCase(boundaryString, lineFeed)
{
DebugDescription = "Skip to boundary " + boundaryString + " with " + (isEndBoundary ? "end" : "start") + " delimiter at the end.",
PayloadFunc = builder => isEndBoundary
? builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 1 - endBoundaryLength, 'a')
.EndBoundary(boundaryString, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(1, 'b')
.ResetMemoryStream()
: builder
// NOTE: we keep 3 bytes at the end of the buffer here since the algorithm always tries
// to match the end boundary and otherwise reports a partial match.
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 3 - startBoundaryLength, 'a')
.StartBoundary(boundaryString, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(3, 'b')
.ResetMemoryStream(),
ExpectedBoundaryFound = true,
ExpectedIsEndBoundary = isEndBoundary,
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = BatchReaderStreamBufferWrapper.BufferLength - (isEndBoundary ? 1 : 3),
NumberOfBytesInBuffer = isEndBoundary ? 1 : 3,
}
};
testCases.Add(testCase);
});
return testCases;
}
private IEnumerable<SkipToBoundaryTestCase> CreateNoBoundaryTestCases()
{
List<SkipToBoundaryTestCase> testCases = new List<SkipToBoundaryTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
BoundaryStrings.Where(str => str.Length > 1), // excluding '-' boundary string since partials would be the empty string which this test does not handle
LeadingLineFeedForBoundary,
WhitespaceCounts,
LineFeeds,
new bool[] { false, true },
(boundaryString, leadingBoundaryLineFeed, whitespaceCount, lineFeed, isEndBoundary) =>
{
string almostBoundary = boundaryString.Substring(0, boundaryString.Length - 1);
int leadingLineFeedLength = leadingBoundaryLineFeed ? lineFeed.Length : 0;
int startBoundaryLength = leadingLineFeedLength + BatchReaderStreamTestUtils.TwoDashesLength + almostBoundary.Length + whitespaceCount + lineFeed.Length;
int endBoundaryLength = startBoundaryLength + BatchReaderStreamTestUtils.TwoDashesLength;
int almostBoundaryLength = isEndBoundary ? endBoundaryLength : startBoundaryLength;
// Use a stream where a string similar to the boundary is included
SkipToBoundaryTestCase testCase = new SkipToBoundaryTestCase(boundaryString, lineFeed)
{
DebugDescription = "Skip to boundary '" + boundaryString + "' in stream with similar string in first buffer.",
PayloadFunc = builder => isEndBoundary
? builder
.FillBytes(200, 'a')
.EndBoundary(almostBoundary, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(200, 'b')
.ResetMemoryStream()
: builder
.FillBytes(200, 'a')
.StartBoundary(almostBoundary, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(200, 'b')
.ResetMemoryStream(),
ExpectedIsEndBoundary = false,
ExpectedBoundaryFound = false,
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = 0,
NumberOfBytesInBuffer = 0,
}
};
testCases.Add(testCase);
// Use a stream where a string similar to the boundary exists in the second buffer
testCase = new SkipToBoundaryTestCase(boundaryString, lineFeed)
{
DebugDescription = "Skip to boundary '" + boundaryString + "' in stream with similar string in second buffer.",
PayloadFunc = builder => isEndBoundary
? builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength, 'a')
.FillBytes(200, 'b')
.EndBoundary(almostBoundary, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(200, 'c')
.ResetMemoryStream()
: builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength, 'a')
.FillBytes(200, 'b')
.StartBoundary(almostBoundary, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(200, 'c')
.ResetMemoryStream(),
ExpectedIsEndBoundary = false,
ExpectedBoundaryFound = false,
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = 0,
NumberOfBytesInBuffer = 0,
}
};
testCases.Add(testCase);
// Use a stream where a string similar to the boundary exists across buffers
testCase = new SkipToBoundaryTestCase(boundaryString, lineFeed)
{
DebugDescription = "Skip to boundary '" + boundaryString + "' in stream with similar string across buffers.",
PayloadFunc = builder => isEndBoundary
? builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 3, 'a')
.EndBoundary(almostBoundary, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(200, 'b')
.ResetMemoryStream()
: builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 3, 'a')
.StartBoundary(almostBoundary, leadingBoundaryLineFeed, whitespaceCount)
.FillBytes(200, 'b')
.ResetMemoryStream(),
ExpectedIsEndBoundary = false,
ExpectedBoundaryFound = false,
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = 0,
NumberOfBytesInBuffer = 0,
}
};
testCases.Add(testCase);
});
return testCases;
}
