public void TestGetBlockShouldFailIndexOutOfBounds()
{
// Arrange
SafeMatrix <Rational> a = new SafeMatrix <Rational>(
new Rational[, ] {
{ R(1), R(2), R(3) },
{ R(2), R(3), R(4) },
{ R(3), R(4), R(5) },
{ R(4), R(5), R(6) }
});
// Act & Assert
Assert.ThrowsException <IndexOutOfRangeException>(() => a.GetBlock(2, 1, 3, 3));
}
public void TestGetBlock()
{
// Arrange
SafeMatrix <Rational> a = new SafeMatrix <Rational>(
new Rational[, ] {
{ R(1), R(2), R(3) },
{ R(2), R(3), R(4) },
{ R(3), R(4), R(5) },
{ R(4), R(5), R(6) }
});
// Act
SafeMatrix <Rational> actual = a.GetBlock(2, 1, 2, 2);
// Assert
SafeMatrix <Rational> expected = new SafeMatrix <Rational>(
new Rational[, ] {
{ R(4), R(5) },
{ R(5), R(6) }
});
Assert.AreEqual(actual, expected);
}