public void Diff_RandomDataAndKnownDifferencesCount_DifferencesCountEqualsToKnown()
{
// arrange
var testCasesCount = 3;
var testCasesInputs = new GenerateBinaryDataResult[testCasesCount];
var testCasesResults = new BinaryDataDiffAnalyzerResult[testCasesCount];
var binaryDataDiffAnalyzer = new BinaryDataDiffAnalyzer();
// action
for (var i = 0; i < testCasesCount; i++)
{
var dataSize = _random.Next(10, 10000);
var leftSideData = new byte[dataSize];
testCasesInputs[i] = GenerateBinaryData(dataSize);
_logger.Debug(String.Format("Tast case #{0}", i));
_logger.Debug(String.Format("Generated {0}", ByteArrayAsString(testCasesInputs[i].Data)));
_logger.Debug(String.Format("NonZeroGroupsCount: {0}", testCasesInputs[i].NonZeroGroupsCount));
testCasesResults[i] = binaryDataDiffAnalyzer.Diff(leftSideData, testCasesInputs[i].Data);
}
// assert
for (var i = 0; i < testCasesResults.Length; i++)
{
Assert.AreEqual(testCasesInputs[i].NonZeroGroupsCount, testCasesResults[i].Diffs.Length);
}
}
public void Diff_SameSizeAndDifferentContent_ContentDoNotMatch()
{
//arrange
var leftSideData = new byte[] { 0, 0, 0, 0 };
var rightSideData = new byte[] { 1, 0, 1, 1 };
var binaryDataDiffAnalyzer = new BinaryDataDiffAnalyzer();
//action
var result = binaryDataDiffAnalyzer.Diff(leftSideData, rightSideData);
//assert
Assert.AreEqual(DiffResultType.ContentDoNotMatch, result.DiffResultType);
}
public void Diff_SameSizeAndTotallyDifferentContent_FoundOneDifference()
{
// arrange
var leftSideData = new byte[] { 0, 0, 0, 0 };
var rightSideData = new byte[] { 1, 1, 1, 1 };
var binaryDataDiffAnalyzer = new BinaryDataDiffAnalyzer();
// action
var result = binaryDataDiffAnalyzer.Diff(leftSideData, rightSideData);
// assert
Assert.AreEqual(1, result.Diffs.Length);
}
public void Diff_SameSizeAndContent_Equals()
{
//arrange
var leftSideData = new byte[] { 0, 0, 0, 0 };
var rightSideData = new byte[] { 0, 0, 0, 0 };
var binaryDataDiffAnalyzer = new BinaryDataDiffAnalyzer();
//action
var result = binaryDataDiffAnalyzer.Diff(leftSideData, rightSideData);
//assert
Assert.AreEqual(DiffResultType.Equals, result.DiffResultType);
}
public void Diff_SameDataAndTwoDifferences_ExpectedDiffOffsetAndLength()
{
// arrange
var leftSideData = new byte[] { 0, 0, 0, 0 };
var rightSideData = new byte[] { 1, 0, 1, 1 };
var binaryDataDiffAnalyzer = new BinaryDataDiffAnalyzer();
// action
var result = binaryDataDiffAnalyzer.Diff(leftSideData, rightSideData);
// assert
Assert.AreEqual(0, result.Diffs[0].Offset);
Assert.AreEqual(1, result.Diffs[0].Length);
Assert.AreEqual(2, result.Diffs[1].Offset);
Assert.AreEqual(2, result.Diffs[1].Length);
}
