private IEnumerable <ReadWithDelimiterTestCase> CreateEmptyBufferTestCases()
{
List <ReadWithDelimiterTestCase> testCases = new List <ReadWithDelimiterTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
LineFeeds,
new int[] { 0, 100 },
(lineFeed, bytesToRead) =>
{
ReadWithDelimiterTestCase testCase = new ReadWithDelimiterTestCase(lineFeed)
{
DebugDescription = "Read " + bytesToRead + " bytes from empty buffer.",
PayloadFunc = builder => builder.ResetMemoryStream(),
ReadDescriptors = new BatchReaderStreamReadDescriptor[]
{
new BatchReaderStreamReadDescriptor
{
BufferSize = 100,
BufferOffset = 0,
NumberOfBytesToRead = bytesToRead,
ExpectedNumberOfBytesRead = 0
}
},
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = 0,
NumberOfBytesInBuffer = 0,
}
};
testCases.Add(testCase);
});
return(testCases);
}
private IEnumerable <ReadWithDelimiterTestCase> CreateNoDelimiterTestCases()
{
List <ReadWithDelimiterTestCase> testCases = new List <ReadWithDelimiterTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
LineFeeds,
new int[] { 0, 100, 200, 300 },
(lineFeed, bytesToRead) =>
{
ReadWithDelimiterTestCase testCase = new ReadWithDelimiterTestCase(lineFeed)
{
DebugDescription = "Read " + bytesToRead + " bytes from non-empty buffer without delimiter.",
PayloadFunc = builder => builder.FillBytes(200, 'a').ResetMemoryStream(),
ReadDescriptors = new BatchReaderStreamReadDescriptor[]
{
new BatchReaderStreamReadDescriptor
{
BufferSize = 500,
BufferOffset = 0,
NumberOfBytesToRead = bytesToRead,
ExpectedNumberOfBytesRead = Math.Min(bytesToRead, 200)
}
},
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = bytesToRead == 300
? 0
: Math.Min(bytesToRead, 200),
NumberOfBytesInBuffer = bytesToRead == 0 ? 0 : Math.Max(0, 200 - bytesToRead),
}
};
testCases.Add(testCase);
});
return(testCases);
}
private IEnumerable <ReadWithDelimiterTestCase> CreateBoundaryAtTheEndTestCases()
{
List <ReadWithDelimiterTestCase> testCases = new List <ReadWithDelimiterTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
BoundaryStrings,
LeadingLineFeedForBoundary,
LineFeeds,
new bool[] { true, false },
new int[] { 0, 100, 200, 300 },
(boundary, leadingBoundaryLineFeed, lineFeed, isEndBoundary, bytesToRead) =>
{
int leadingLineFeedLength = leadingBoundaryLineFeed ? lineFeed.Length : 0;
int startBoundaryLength = leadingLineFeedLength + BatchReaderStreamTestUtils.TwoDashesLength + boundary.Length + lineFeed.Length;
int endBoundaryLength = startBoundaryLength + BatchReaderStreamTestUtils.TwoDashesLength;
int dataBytesInStartBoundaryBuffer = BatchReaderStreamBufferWrapper.BufferLength - 1 - startBoundaryLength;
int dataBytesInEndBoundaryBuffer = dataBytesInStartBoundaryBuffer - BatchReaderStreamTestUtils.TwoDashesLength;
Func <bool, int> dataBytesInBuffer = isEnd => isEnd ? dataBytesInEndBoundaryBuffer : dataBytesInStartBoundaryBuffer;
ReadWithDelimiterTestCase testCase = new ReadWithDelimiterTestCase(lineFeed)
{
DebugDescription = "Read " + bytesToRead + " bytes from non-empty buffer with delimiter '" + boundary + "' at the end.\r\n" +
"[isEnd = " + isEndBoundary + ", leadingLineFeed = " + leadingBoundaryLineFeed + ", lineFeed = " + StringUtils.LineFeedString(lineFeed) +
", bytesToRead = " + bytesToRead + "]",
BatchBoundary = boundary,
PayloadFunc = builder => isEndBoundary
? builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 1 - endBoundaryLength, 'a')
.EndBoundary(boundary, leadingBoundaryLineFeed)
.FillBytes(1, 'b')
.ResetMemoryStream()
: builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 1 - startBoundaryLength, 'a')
.StartBoundary(boundary, leadingBoundaryLineFeed)
.FillBytes(1, 'b')
.ResetMemoryStream(),
ReadDescriptors = new BatchReaderStreamReadDescriptor[]
{
new BatchReaderStreamReadDescriptor
{
BufferSize = BatchReaderStreamBufferWrapper.BufferLength,
BufferOffset = 0,
NumberOfBytesToRead = bytesToRead,
ExpectedNumberOfBytesRead = Math.Min(bytesToRead, dataBytesInBuffer(isEndBoundary))
}
},
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = Math.Min(bytesToRead, dataBytesInBuffer(isEndBoundary)),
NumberOfBytesInBuffer = bytesToRead == 0 ? 0 : BatchReaderStreamBufferWrapper.BufferLength - Math.Min(bytesToRead, dataBytesInBuffer(isEndBoundary)),
}
};
testCases.Add(testCase);
});
return(testCases);
}
/// <summary>
/// Copy constructor.
/// </summary>
/// <param name="other">The test case instance to copy.</param>
public ReadWithDelimiterTestCase(ReadWithDelimiterTestCase other)
: base(other)
{
}
private IEnumerable <ReadWithDelimiterTestCase> CreatePartialBoundaryAtStreamEndTestCases()
{
List <ReadWithDelimiterTestCase> testCases = new List <ReadWithDelimiterTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
BoundaryStrings,
LeadingLineFeedForBoundary,
LineFeeds,
(boundary, leadingBoundaryLineFeed, lineFeed) =>
{
// 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;
this.CombinatorialEngineProvider.RunCombinations(
new int[] { 0, 100, bytesBeforePartialBoundary, BatchReaderStreamBufferWrapper.BufferLength, BatchReaderStreamBufferWrapper.BufferLength + 100 },
(bytesToRead) =>
{
ReadWithDelimiterTestCase testCase = new ReadWithDelimiterTestCase(lineFeed)
{
DebugDescription = "Read " + bytesToRead + " bytes from last buffer of stream with partial delimiter at the end.\r\n" +
"[leadingLineFeed = " + leadingBoundaryLineFeed + ", lineFeed = " + StringUtils.LineFeedString(lineFeed) +
", bytesToRead = " + bytesToRead + "]",
BatchBoundary = boundary,
PayloadFunc = builder => leadingBoundaryLineFeed
? builder
.FillBytes(bytesBeforePartialBoundary, 'a')
.LineFeed()
.Chars(MemoryStreamBatchPayloadBuilder.BoundaryDelimiter)
.Chars(boundary[0])
.ResetMemoryStream()
: builder
.FillBytes(bytesBeforePartialBoundary, 'a')
.Chars(MemoryStreamBatchPayloadBuilder.BoundaryDelimiter)
.Chars(boundary[0])
.ResetMemoryStream(),
ReadDescriptors = new BatchReaderStreamReadDescriptor[]
{
new BatchReaderStreamReadDescriptor
{
BufferSize = BatchReaderStreamBufferWrapper.BufferLength,
BufferOffset = 0,
NumberOfBytesToRead = bytesToRead,
ExpectedNumberOfBytesRead = Math.Min(bytesToRead, BatchReaderStreamBufferWrapper.BufferLength)
}
},
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = bytesToRead < BatchReaderStreamBufferWrapper.BufferLength
// We did not reload the buffer
? bytesToRead
// We reloaded the buffer and read the remaining partial boundary
: partialBoundaryLength,
NumberOfBytesInBuffer = bytesToRead == 0
// nothing was loaded into the buffer
? 0
: bytesToRead < BatchReaderStreamBufferWrapper.BufferLength
// We did not reload the buffer
? BatchReaderStreamBufferWrapper.BufferLength - bytesToRead
// We reloaded the buffer and read all of it
: 0
}
};
testCases.Add(testCase);
});
});
return(testCases);
}
private IEnumerable <ReadWithDelimiterTestCase> CreateBoundaryAcrossBuffersTestCases()
{
List <ReadWithDelimiterTestCase> testCases = new List <ReadWithDelimiterTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
BoundaryStrings,
LeadingLineFeedForBoundary,
LineFeeds,
new bool[] { true, false },
new int[] { 0, 100, BatchReaderStreamBufferWrapper.BufferLength - 2, BatchReaderStreamBufferWrapper.BufferLength },
(boundary, leadingBoundaryLineFeed, lineFeed, isEndBoundary, bytesToRead) =>
{
int leadingLineFeedLength = leadingBoundaryLineFeed ? lineFeed.Length : 0;
int startBoundaryLength = leadingLineFeedLength + BatchReaderStreamTestUtils.TwoDashesLength + boundary.Length + lineFeed.Length;
int endBoundaryLength = startBoundaryLength + BatchReaderStreamTestUtils.TwoDashesLength;
Func <bool, int> boundaryLength = isEnd => isEnd ? endBoundaryLength : startBoundaryLength;
ReadWithDelimiterTestCase testCase = new ReadWithDelimiterTestCase(lineFeed)
{
DebugDescription = "Read " + bytesToRead + " bytes from buffer with partial delimiter at the end.\r\n" +
"[isEnd = " + isEndBoundary + ", leadingLineFeed = " + leadingBoundaryLineFeed + ", lineFeed = " + StringUtils.LineFeedString(lineFeed) +
", bytesToRead = " + bytesToRead + "]",
BatchBoundary = boundary,
PayloadFunc = builder => isEndBoundary
? builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 2, 'a')
.EndBoundary(boundary, leadingBoundaryLineFeed)
.FillBytes(100, 'b')
.ResetMemoryStream()
: builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 2, 'a')
.StartBoundary(boundary, leadingBoundaryLineFeed)
.FillBytes(100, 'b')
.ResetMemoryStream(),
ReadDescriptors = new BatchReaderStreamReadDescriptor[]
{
new BatchReaderStreamReadDescriptor
{
BufferSize = BatchReaderStreamBufferWrapper.BufferLength,
BufferOffset = 0,
NumberOfBytesToRead = bytesToRead,
ExpectedNumberOfBytesRead = Math.Min(bytesToRead, BatchReaderStreamBufferWrapper.BufferLength - 2)
}
},
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = bytesToRead == BatchReaderStreamBufferWrapper.BufferLength
// we refilled the buffer only to find the boundary
? 0
// we did not refill the buffer
: bytesToRead,
NumberOfBytesInBuffer = bytesToRead == 0
// nothing was loaded into the buffer
? 0
: bytesToRead == BatchReaderStreamBufferWrapper.BufferLength
// we refilled the buffer, read all the 'a' bytes; the boundary and 100 'b' bytes left
? boundaryLength(isEndBoundary) + 100
// we did not refill the buffer
: BatchReaderStreamBufferWrapper.BufferLength - bytesToRead,
}
};
testCases.Add(testCase);
});
return(testCases);
}
private IEnumerable<ReadWithDelimiterTestCase> CreateEmptyBufferTestCases()
{
List<ReadWithDelimiterTestCase> testCases = new List<ReadWithDelimiterTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
LineFeeds,
new int[] { 0, 100 },
(lineFeed, bytesToRead) =>
{
ReadWithDelimiterTestCase testCase = new ReadWithDelimiterTestCase(lineFeed)
{
DebugDescription = "Read " + bytesToRead + " bytes from empty buffer.",
PayloadFunc = builder => builder.ResetMemoryStream(),
ReadDescriptors = new BatchReaderStreamReadDescriptor[]
{
new BatchReaderStreamReadDescriptor
{
BufferSize = 100,
BufferOffset = 0,
NumberOfBytesToRead = bytesToRead,
ExpectedNumberOfBytesRead = 0
}
},
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 ReadWithDelimiterTestCase(ReadWithDelimiterTestCase other)
: base(other)
{
}
private IEnumerable<ReadWithDelimiterTestCase> CreatePartialBoundaryAtStreamEndTestCases()
{
List<ReadWithDelimiterTestCase> testCases = new List<ReadWithDelimiterTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
BoundaryStrings,
LeadingLineFeedForBoundary,
LineFeeds,
(boundary, leadingBoundaryLineFeed, lineFeed) =>
{
// 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;
this.CombinatorialEngineProvider.RunCombinations(
new int[] { 0, 100, bytesBeforePartialBoundary, BatchReaderStreamBufferWrapper.BufferLength, BatchReaderStreamBufferWrapper.BufferLength + 100 },
(bytesToRead) =>
{
ReadWithDelimiterTestCase testCase = new ReadWithDelimiterTestCase(lineFeed)
{
DebugDescription = "Read " + bytesToRead + " bytes from last buffer of stream with partial delimiter at the end.\r\n" +
"[leadingLineFeed = " + leadingBoundaryLineFeed + ", lineFeed = " + StringUtils.LineFeedString(lineFeed) +
", bytesToRead = " + bytesToRead + "]",
BatchBoundary = boundary,
PayloadFunc = builder => leadingBoundaryLineFeed
? builder
.FillBytes(bytesBeforePartialBoundary, 'a')
.LineFeed()
.Chars(MemoryStreamBatchPayloadBuilder.BoundaryDelimiter)
.Chars(boundary[0])
.ResetMemoryStream()
: builder
.FillBytes(bytesBeforePartialBoundary, 'a')
.Chars(MemoryStreamBatchPayloadBuilder.BoundaryDelimiter)
.Chars(boundary[0])
.ResetMemoryStream(),
ReadDescriptors = new BatchReaderStreamReadDescriptor[]
{
new BatchReaderStreamReadDescriptor
{
BufferSize = BatchReaderStreamBufferWrapper.BufferLength,
BufferOffset = 0,
NumberOfBytesToRead = bytesToRead,
ExpectedNumberOfBytesRead = Math.Min(bytesToRead, BatchReaderStreamBufferWrapper.BufferLength)
}
},
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = bytesToRead < BatchReaderStreamBufferWrapper.BufferLength
// We did not reload the buffer
? bytesToRead
// We reloaded the buffer and read the remaining partial boundary
: partialBoundaryLength,
NumberOfBytesInBuffer = bytesToRead == 0
// nothing was loaded into the buffer
? 0
: bytesToRead < BatchReaderStreamBufferWrapper.BufferLength
// We did not reload the buffer
? BatchReaderStreamBufferWrapper.BufferLength - bytesToRead
// We reloaded the buffer and read all of it
: 0
}
};
testCases.Add(testCase);
});
});
return testCases;
}
private IEnumerable<ReadWithDelimiterTestCase> CreateBoundaryAcrossBuffersTestCases()
{
List<ReadWithDelimiterTestCase> testCases = new List<ReadWithDelimiterTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
BoundaryStrings,
LeadingLineFeedForBoundary,
LineFeeds,
new bool[] { true, false },
new int[] { 0, 100, BatchReaderStreamBufferWrapper.BufferLength - 2, BatchReaderStreamBufferWrapper.BufferLength },
(boundary, leadingBoundaryLineFeed, lineFeed, isEndBoundary, bytesToRead) =>
{
int leadingLineFeedLength = leadingBoundaryLineFeed ? lineFeed.Length : 0;
int startBoundaryLength = leadingLineFeedLength + BatchReaderStreamTestUtils.TwoDashesLength + boundary.Length + lineFeed.Length;
int endBoundaryLength = startBoundaryLength + BatchReaderStreamTestUtils.TwoDashesLength;
Func<bool, int> boundaryLength = isEnd => isEnd ? endBoundaryLength : startBoundaryLength;
ReadWithDelimiterTestCase testCase = new ReadWithDelimiterTestCase(lineFeed)
{
DebugDescription = "Read " + bytesToRead + " bytes from buffer with partial delimiter at the end.\r\n" +
"[isEnd = " + isEndBoundary + ", leadingLineFeed = " + leadingBoundaryLineFeed + ", lineFeed = " + StringUtils.LineFeedString(lineFeed) +
", bytesToRead = " + bytesToRead + "]",
BatchBoundary = boundary,
PayloadFunc = builder => isEndBoundary
? builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 2, 'a')
.EndBoundary(boundary, leadingBoundaryLineFeed)
.FillBytes(100, 'b')
.ResetMemoryStream()
: builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 2, 'a')
.StartBoundary(boundary, leadingBoundaryLineFeed)
.FillBytes(100, 'b')
.ResetMemoryStream(),
ReadDescriptors = new BatchReaderStreamReadDescriptor[]
{
new BatchReaderStreamReadDescriptor
{
BufferSize = BatchReaderStreamBufferWrapper.BufferLength,
BufferOffset = 0,
NumberOfBytesToRead = bytesToRead,
ExpectedNumberOfBytesRead = Math.Min(bytesToRead, BatchReaderStreamBufferWrapper.BufferLength - 2)
}
},
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = bytesToRead == BatchReaderStreamBufferWrapper.BufferLength
// we refilled the buffer only to find the boundary
? 0
// we did not refill the buffer
: bytesToRead,
NumberOfBytesInBuffer = bytesToRead == 0
// nothing was loaded into the buffer
? 0
: bytesToRead == BatchReaderStreamBufferWrapper.BufferLength
// we refilled the buffer, read all the 'a' bytes; the boundary and 100 'b' bytes left
? boundaryLength(isEndBoundary) + 100
// we did not refill the buffer
: BatchReaderStreamBufferWrapper.BufferLength - bytesToRead,
}
};
testCases.Add(testCase);
});
return testCases;
}
private IEnumerable<ReadWithDelimiterTestCase> CreateBoundaryAtTheEndTestCases()
{
List<ReadWithDelimiterTestCase> testCases = new List<ReadWithDelimiterTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
BoundaryStrings,
LeadingLineFeedForBoundary,
LineFeeds,
new bool[] { true, false },
new int[] { 0, 100, 200, 300 },
(boundary, leadingBoundaryLineFeed, lineFeed, isEndBoundary, bytesToRead) =>
{
int leadingLineFeedLength = leadingBoundaryLineFeed ? lineFeed.Length : 0;
int startBoundaryLength = leadingLineFeedLength + BatchReaderStreamTestUtils.TwoDashesLength + boundary.Length + lineFeed.Length;
int endBoundaryLength = startBoundaryLength + BatchReaderStreamTestUtils.TwoDashesLength;
int dataBytesInStartBoundaryBuffer = BatchReaderStreamBufferWrapper.BufferLength - 1 - startBoundaryLength;
int dataBytesInEndBoundaryBuffer = dataBytesInStartBoundaryBuffer - BatchReaderStreamTestUtils.TwoDashesLength;
Func<bool, int> dataBytesInBuffer = isEnd => isEnd ? dataBytesInEndBoundaryBuffer : dataBytesInStartBoundaryBuffer;
ReadWithDelimiterTestCase testCase = new ReadWithDelimiterTestCase(lineFeed)
{
DebugDescription = "Read " + bytesToRead + " bytes from non-empty buffer with delimiter '" + boundary + "' at the end.\r\n" +
"[isEnd = " + isEndBoundary + ", leadingLineFeed = " + leadingBoundaryLineFeed + ", lineFeed = " + StringUtils.LineFeedString(lineFeed) +
", bytesToRead = " + bytesToRead + "]",
BatchBoundary = boundary,
PayloadFunc = builder => isEndBoundary
? builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 1 - endBoundaryLength, 'a')
.EndBoundary(boundary, leadingBoundaryLineFeed)
.FillBytes(1, 'b')
.ResetMemoryStream()
: builder
.FillBytes(BatchReaderStreamBufferWrapper.BufferLength - 1 - startBoundaryLength, 'a')
.StartBoundary(boundary, leadingBoundaryLineFeed)
.FillBytes(1, 'b')
.ResetMemoryStream(),
ReadDescriptors = new BatchReaderStreamReadDescriptor[]
{
new BatchReaderStreamReadDescriptor
{
BufferSize = BatchReaderStreamBufferWrapper.BufferLength,
BufferOffset = 0,
NumberOfBytesToRead = bytesToRead,
ExpectedNumberOfBytesRead = Math.Min(bytesToRead, dataBytesInBuffer(isEndBoundary))
}
},
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = Math.Min(bytesToRead, dataBytesInBuffer(isEndBoundary)),
NumberOfBytesInBuffer = bytesToRead == 0 ? 0 : BatchReaderStreamBufferWrapper.BufferLength - Math.Min(bytesToRead, dataBytesInBuffer(isEndBoundary)),
}
};
testCases.Add(testCase);
});
return testCases;
}
private IEnumerable<ReadWithDelimiterTestCase> CreateNoDelimiterTestCases()
{
List<ReadWithDelimiterTestCase> testCases = new List<ReadWithDelimiterTestCase>();
this.CombinatorialEngineProvider.RunCombinations(
LineFeeds,
new int[] { 0, 100, 200, 300 },
(lineFeed, bytesToRead) =>
{
ReadWithDelimiterTestCase testCase = new ReadWithDelimiterTestCase(lineFeed)
{
DebugDescription = "Read " + bytesToRead + " bytes from non-empty buffer without delimiter.",
PayloadFunc = builder => builder.FillBytes(200, 'a').ResetMemoryStream(),
ReadDescriptors = new BatchReaderStreamReadDescriptor[]
{
new BatchReaderStreamReadDescriptor
{
BufferSize = 500,
BufferOffset = 0,
NumberOfBytesToRead = bytesToRead,
ExpectedNumberOfBytesRead = Math.Min(bytesToRead, 200)
}
},
ExpectedBufferState = new BatchReaderStreamBufferState
{
ReadPositionInBuffer = bytesToRead == 300
? 0
: Math.Min(bytesToRead, 200),
NumberOfBytesInBuffer = bytesToRead == 0 ? 0 : Math.Max(0, 200 - bytesToRead),
}
};
testCases.Add(testCase);
});
return testCases;
}
