public void JaggedArrayParseErrors(string x, string y)
{
var comparer = new JacobianComparison(defaultTolerance);
comparer.CompareFiles(x, y);
Assert.True(comparer.ViolationsHappened());
Assert.True(comparer.ParseError);
}
public void GmmParseErrors(string fullGrad, string positions, string alphas, string means, string icfs)
{
var comparer = new JacobianComparison(defaultTolerance);
comparer.CompareGmmFullAndPartGradients(fullGrad, new[] { positions, alphas, means, icfs });
Assert.True(comparer.ViolationsHappened());
Assert.True(comparer.ParseError);
}
public void GmmDimensionMismatch()
{
var comparer = new JacobianComparison(defaultTolerance);
comparer.CompareGmmFullAndPartGradients(cutGmm, new[] { positions, alphas, means, icfs });
Assert.True(comparer.ViolationsHappened());
Assert.False(comparer.ParseError);
Assert.True(comparer.DimensionMismatch);
}
public void ExpectedEquality(double x, double y, double tolerance)
{
var comparer = new JacobianComparison(tolerance);
comparer.CompareNumbers(x, y, 0, 0);
Assert.False(comparer.ViolationsHappened());
Assert.Equal(0, comparer.DifferenceViolationCount);
Assert.Equal(1, comparer.NumberComparisonCount);
}
public void InfinityZeroDifference()
{
var diff = JacobianComparison.Difference(double.PositiveInfinity, double.PositiveInfinity);
Assert.Equal(0.0, diff);
diff = JacobianComparison.Difference(double.NegativeInfinity, double.NegativeInfinity);
Assert.Equal(0.0, diff);
diff = JacobianComparison.Difference(double.PositiveInfinity, double.NegativeInfinity);
Assert.NotEqual(0.0, diff);
}
public void GoodGmmFailOnSmallTolerance()
{
var comparer = new JacobianComparison(1e-8);
comparer.CompareGmmFullAndPartGradients(goodGmm, new[] { positions, alphas, means, icfs });
Assert.True(comparer.ViolationsHappened());
Assert.False(comparer.ParseError);
Assert.False(comparer.DimensionMismatch);
Assert.True(comparer.MaxDifference <= defaultTolerance);
Assert.True(comparer.DifferenceViolationCount > 0);
Assert.Equal(15, comparer.NumberComparisonCount);
Assert.NotEmpty(comparer.DifferenceViolations);
}
public void FarJaggedArraysViolationPositions()
{
var comparer = new JacobianComparison(defaultTolerance);
comparer.CompareFiles(jaggedExtraWhitespace, jaggedErrors);
Assert.True(comparer.ViolationsHappened());
Assert.False(comparer.ParseError);
Assert.False(comparer.DimensionMismatch);
Assert.False(comparer.MaxDifference <= defaultTolerance);
Assert.Equal(8, comparer.DifferenceViolationCount);
Assert.Equal(15, comparer.NumberComparisonCount);
Assert.NotEmpty(comparer.DifferenceViolations);
var expectedViolations = new[] { (0, 0), (1, 1), (3, 1), (0, 2), (2, 2), (0, 3), (2, 3), (4, 3) };
public void FarJaggedArraysFail(string x, string y, int expectedComparisons, double tolerance)
{
var comparer = new JacobianComparison(tolerance);
comparer.CompareFiles(x, y);
Assert.True(comparer.ViolationsHappened());
Assert.False(comparer.ParseError);
Assert.False(comparer.DimensionMismatch);
Assert.False(comparer.MaxDifference <= tolerance);
Assert.True(comparer.DifferenceViolationCount > 0);
Assert.Equal(expectedComparisons, comparer.NumberComparisonCount);
Assert.NotEmpty(comparer.DifferenceViolations);
}
public void NearJaggedArraysPass(string x, string y, int expectedComparisons)
{
var comparer = new JacobianComparison(defaultTolerance);
comparer.CompareFiles(x, y);
Assert.False(comparer.ViolationsHappened());
Assert.False(comparer.ParseError);
Assert.False(comparer.DimensionMismatch);
Assert.True(comparer.MaxDifference <= defaultTolerance);
Assert.Equal(0, comparer.DifferenceViolationCount);
Assert.Equal(expectedComparisons, comparer.NumberComparisonCount);
Assert.Empty(comparer.DifferenceViolations);
}
public void BadGmmFail()
{
var comparer = new JacobianComparison(defaultTolerance);
comparer.CompareGmmFullAndPartGradients(badGmm, new[] { positions, alphas, means, icfs });
Assert.True(comparer.ViolationsHappened());
Assert.False(comparer.ParseError);
Assert.False(comparer.DimensionMismatch);
Assert.False(comparer.MaxDifference <= defaultTolerance);
Assert.Equal(8, comparer.DifferenceViolationCount);
Assert.Equal(15, comparer.NumberComparisonCount);
Assert.NotEmpty(comparer.DifferenceViolations);
for (int i = 0; i < 15; i += 2)
{
Assert.Contains((0, i), comparer.DifferenceViolations);
}
for (int i = 1; i < 15; i += 2)
{
Assert.DoesNotContain((0, i), comparer.DifferenceViolations);
}
}
public void DifferenceIsRelativeOutsideZeroVicinity(double x, double y)
{
Assert.Equal(JacobianComparison.Difference(x, y), Math.Abs(x - y) / (Math.Abs(x) + Math.Abs(y)));
}
public void DifferenceIsAbsoluteInZeroVicinity(double x, double y)
{
Assert.Equal(JacobianComparison.Difference(x, y), Math.Abs(x - y));
}