public void Vector3dApplyWorks()
{
var v = new Vector3d(1.11, 2.22, 3.33);
v.Apply(Math.Round);
Assert.True(v.Equivalent(new Vector3d(1, 2, 3)));
v.Apply(val => { return val + 1; });
Assert.True(v.Equivalent(new Vector3d(2, 3, 4)));
}
public void Vector3dNormalizedWorks()
{
var v = new Vector3d(12, 23, 34);
var v2 = v.Normalized();
Assert.NotEqual(v, v2);
Assert.True(v.Equivalent(new Vector3d(12, 23, 34)));
Assert.Equal(1, v.Normalized().Magnitude());
}
public void Vector3dCloneWorks()
{
var v = new Vector3d(1, 2, 3);
var v2 = v.Clone();
v2.X = 3;
Assert.NotEqual(v, v2);
Assert.True(v.Equivalent(new Vector3d(1, 2, 3)));
}
public void Vector3dDividesCorrectly()
{
var v = new Vector3d(2, 4, 8);
Assert.False(v == v / 1);
Assert.False(v == v.Divide(1));
Assert.True(v.Equivalent(v / 1));
Assert.True(v.Equivalent(v.Divide(1)));
Assert.True(new Vector3d(.5, .25, .125).Equivalent(1 / v));
Assert.True(new Vector3d(.5, .25, .125).Equivalent(v.DivideFrom(1)));
Assert.True(new Vector3d(20, 40, 80).Equivalent(v / .1));
Assert.True(new Vector3d(20, 40, 80).Equivalent(v.Divide(.1)));
}
public void Vector3dSubtractsCorrectly()
{
var v = new Vector3d(2, 3, 4);
Assert.False(v == v - 0);
Assert.False(v == v.Subtract(0));
Assert.False(-v == v.SubtractFrom(0));
Assert.True(v.Equivalent(v - 0));
Assert.True(v.Equivalent(v.Subtract(0)));
Assert.True((-v).Equivalent(0 - v));
Assert.True((-v).Equivalent(v.SubtractFrom(0)));
Assert.True((v - v).Equivalent(Vector3d.Zero));
Assert.True((v.Subtract(v)).Equivalent(Vector3d.Zero));
Assert.True((v - .1).Equivalent(new Vector3d(1.9, 2.9, 3.9)));
Assert.True((v.Subtract(.1)).Equivalent(new Vector3d(1.9, 2.9, 3.9)));
Assert.True((.1 - v).Equivalent(new Vector3d(-1.9, -2.9, -3.9)));
Assert.True((v.SubtractFrom(.1)).Equivalent(new Vector3d(-1.9, -2.9, -3.9)));
}
public void Vector3dAddsCorrectly()
{
var v = new Vector3d(2, 3, 4);
Assert.False(v == v + 0);
Assert.False(v == v.Add(0));
Assert.True(v.Equivalent(v + 0));
Assert.True(v.Equivalent(v.Add(0)));
Assert.True((v + v).Equivalent(new Vector3d(4, 6, 8)));
Assert.True(v.Add(v).Equivalent(new Vector3d(4, 6, 8)));
Assert.True((v + .1).Equivalent(new Vector3d(2.1, 3.1, 4.1)));
Assert.True(v.Add(.1).Equivalent(new Vector3d(2.1, 3.1, 4.1)));
}