public void ExactComparer_VerifySimilarityIgnoreRegionNone_ModifiedImage()
{
Assert.Throws <ImageDifferenceIsOverThresholdException>(() =>
{
ImageComparer.Exact().VerifySimilarityIgnoreRegion(BaseImage, ModifiedImage, new Rectangle(0, 0, 0, 0));
});
}
public void ExactComparer_VerifySimilarity_ModifiedImage()
{
Assert.Throws <ImageDifferenceIsOverThresholdException>(() =>
{
ImageComparer.Exact().VerifySimilarity(BaseImage, ModifiedImage);
});
}
public void ExactComparer_VerifySimilarity_TwoFramesImage()
{
Assert.Throws <ImageFramesMismatchException>(() =>
{
ImageComparer.Exact().VerifySimilarity(BaseImage, TwoFramesImage);
});
}
public void ExactComparer_VerifySimilarity_SmallerImage()
{
Assert.Throws <ImageDimensionsMismatchException>(() =>
{
ImageComparer.Exact().VerifySimilarity(BaseImage, SmallerImage);
});
}
public void ExactComparer_CompareImagesOrFrames_SameImage()
{
var report = ImageComparer.Exact().CompareImagesOrFrames(BaseImage, BaseImage);
Assert.Empty(report.Differences);
Assert.True(report.IsEmpty);
Assert.Equal("?", report.DifferencePercentageString);
Assert.Null(report.TotalNormalizedDifference);
Assert.Equal("[SimilarImages]", report.ToString());
}
public void ExactComparer_CompareImagesOrFrames_NotSame()
{
var report = ImageComparer.Exact().CompareImagesOrFrames(BaseImage, ModifiedImage);
Assert.Equal(10000, report.Differences.Length);
Assert.False(report.IsEmpty);
Assert.Equal("?", report.DifferencePercentageString);
Assert.Null(report.TotalNormalizedDifference);
Assert.StartsWith("[Δ", report.ToString());
}
public void TolerantComparer_CompareImages_CheckerImage()
{
var perPixelManhattanThresholdValue = ImageComparer.CalculatePerPixelManhattanThresholdValue(3, ImageComparer.DefaultPerPixelChannelManhattanThreshold);
var reports = ImageComparer.Tolerant(0, perPixelManhattanThresholdValue).CompareImages(BaseImage, CheckerChangeImage).ToArray();
Assert.Single(reports);
using var actualDifference = reports[0].CreateDifferenceImage();
var ExpectedDifferencePath = Path.Combine(PathHelper.ImagesPath, "ExpectedDifference.png");
using var expectedDifference = Image.Load <Rgba32>(ExpectedDifferencePath);
var differenceReports = ImageComparer.Exact().CompareImages(expectedDifference, actualDifference).ToArray();
Assert.Empty(differenceReports);
}
public void ExactComparer_VerifySimilarityIgnoreRegionModified_SameImage()
{
ImageComparer.Exact().VerifySimilarityIgnoreRegion(BaseImage, BaseImage, new Rectangle(0, 0, 100, 100));
}
public void ExactComparer_VerifySimilarity_SameImage()
{
ImageComparer.Exact().VerifySimilarity(BaseImage, BaseImage);
}
public void ExactComparer_CompareImages_SameImage()
{
var reports = ImageComparer.Exact().CompareImages(BaseImage, BaseImage).ToArray();;
Assert.Empty(reports);
}
