public void Indexer_InvalidIndexes_ArgumentOutOfRangeException()
{
var matrix = new DiagonalMatix <int>(2, source);
Assert.Throws <ArgumentOutOfRangeException>(() => matrix[-1, 0]++);
Assert.Throws <ArgumentOutOfRangeException>(() => matrix[0, -1]++);
Assert.Throws <ArgumentOutOfRangeException>(() => matrix[2, 0]++);
Assert.Throws <ArgumentOutOfRangeException>(() => matrix[0, 2]++);
}
public void Indexer_ValidValues_ValidResult()
{
var matrix = new DiagonalMatix <int>(2, source);
Assert.That(matrix[0, 0], Is.EqualTo(1));
Assert.That(matrix[0, 1], Is.EqualTo(0));
Assert.That(matrix[1, 0], Is.EqualTo(0));
Assert.That(matrix[1, 1], Is.EqualTo(2));
}
public void Iteration_ValidValues_ValidResult()
{
var matrix = new DiagonalMatix <int>(2, source);
int i = 0;
foreach (var item in matrix)
{
Assert.That(item, Is.EqualTo(matrixItems[i++]));
}
}
public void Iteration_ChengingMatrix_InvalidOperationException()
{
var matrix = new DiagonalMatix <int>(2, source);
Assert.Throws <InvalidOperationException>(() =>
{
foreach (var item in matrix)
{
matrix[0, 0] = 1;
}
});
}
public void AdditionOperator_DiagonalAndSquareMatrices_ValidResult()
{
var matrix1 = new DiagonalMatix <int>(2, source);
var matrix2 = new SquareMatrix <int>(2, new int[] { 1, 2, 3, 4 });
var result = matrix1 + matrix2;
var expectedResult = new int[] { 2, 2, 3, 6 };
int i = 0;
foreach (var item in result)
{
Assert.That(item, Is.EqualTo(expectedResult[i++]));
}
Assert.That(result.GetType(), Is.EqualTo(typeof(SquareMatrix <int>)));
}
