public void IndexerThrowsWithColumnOutOfRange([Range(0, 2)] int row,
[Values(-1, 3)] int column)
{
Matrix3By3 matrix = Matrix3By3.DiagonalMatrix(-3.0, 1.0, 5.0);
var exception = Assert.Throws <ArgumentOutOfRangeException>(() =>
{
double unused = matrix[row, column];
});
Assert.AreEqual("column", exception.ParamName);
}
public void TestMatrixReturns()
{
double x = 1;
double y = 2;
double z = 3;
Matrix3By3 mat1 = Matrix3By3.CrossProductEquivalentMatrix(new Cartesian(x, y, z));
Assert.AreEqual(0.0, mat1.M11);
Assert.AreEqual(-z, mat1.M12);
Assert.AreEqual(y, mat1.M13);
Assert.AreEqual(z, mat1.M21);
Assert.AreEqual(0, mat1.M22);
Assert.AreEqual(-x, mat1.M23);
Assert.AreEqual(-y, mat1.M31);
Assert.AreEqual(x, mat1.M32);
Assert.AreEqual(0.0, mat1.M33);
UnitCartesian u = new UnitCartesian(x, y, z);
x = u.X;
y = u.Y;
z = u.Z;
Matrix3By3 mat2 = Matrix3By3.CrossProductEquivalentMatrix(u);
Assert.AreEqual(0.0, mat2.M11);
Assert.AreEqual(-z, mat2.M12);
Assert.AreEqual(y, mat2.M13);
Assert.AreEqual(z, mat2.M21);
Assert.AreEqual(0, mat2.M22);
Assert.AreEqual(-x, mat2.M23);
Assert.AreEqual(-y, mat2.M31);
Assert.AreEqual(x, mat2.M32);
Assert.AreEqual(0.0, mat2.M33);
Matrix3By3 mat3 = Matrix3By3.DiagonalMatrix(new Cartesian(1, 2, 3));
Assert.AreEqual(mat3.M11, 1);
Assert.AreEqual(mat3.M22, 2);
Assert.AreEqual(mat3.M33, 3);
Matrix3By3 mat4 = Matrix3By3.DiagonalMatrix(new UnitCartesian(1, 0, 0));
Assert.AreEqual(mat4.M11, 1);
Assert.AreEqual(mat4.M22, 0);
Assert.AreEqual(mat4.M33, 0);
}
public void TestSecondIndexTooLow2()
{
Matrix3By3 diagonal = Matrix3By3.DiagonalMatrix(-3.0, 1.0, 5.0);
double bad = diagonal[2, -1];
}
public void TestSecondIndexTooHigh0()
{
Matrix3By3 diagonal = Matrix3By3.DiagonalMatrix(-3.0, 1.0, 5.0);
double bad = diagonal[0, 3];
}
public void TestFirstIndexTooLow()
{
Matrix3By3 diagonal = Matrix3By3.DiagonalMatrix(-3.0, 1.0, 5.0);
double bad = diagonal[-1, 0];
}