public void adding_vector_produces_sum_vector()
{
var left = new Vector4F(1.0f, 2, 10, -4);
var right = new Vector4F(3.0f, 4, 11, 1);
var expected = new Vector4F(4.0f, 6, 21, -3);
var actual = left.GetSum(right);
Assert.Equal(expected, actual);
}
public void op_addition_mimics_add()
{
var left = new Vector4F(1.0f, 2, 4, 5);
var right = new Vector4F(-3.0f, -100, 40, 52);
var expected = left.GetSum(right);
var actual = left + right;
Assert.Equal(expected, actual);
}
public void adding_vectors_leaves_operands_unchanged()
{
var left = new Vector4F(1.0f, 2, 10, -4);
var expectedLeft = new Vector4F(left);
var right = new Vector4F(3.0f, 4, 11, 1);
var expectedRight = new Vector4F(right);
var result = left.GetSum(right);
Assert.Equal(expectedLeft, left);
Assert.Equal(expectedRight, right);
}