//===========================================================================//
// File:	vector.tst                                                          //
// Project: MUNGA           Brick: Math Library                              //
// Contents: Test code for vector classes                                    //
//---------------------------------------------------------------------------//
//   Date    Who  Modification                                               //
// --------  ---  ---------------------------------------------------------- //
// 11/19/94  JMA  Initial coding.                                            //
//---------------------------------------------------------------------------//
// Copyright (C) 1994-1995, Virtual World Entertainment, Inc.                //
// All Rights reserved worldwide                                             //
// This unpublished sourcecode is PROPRIETARY and CONFIDENTIAL               //
//===========================================================================//

//
//###########################################################################
//###########################################################################
//
Logical
	Vector3D::TestClass()
{
	DEBUG_STREAM << "Starting Vector3D test...\n";

	const Vector3D
		a(Identity);
	Vector3D
		b;
	const Vector3D
		c(1.0f,2.0f,3.0f);
	Vector3D
		d(2.0f,3.0f,1.0f);

	Test(!a.x && !a.y && !a.z);
	Test(c.x == 1.0f && c.y == 2.0f && c.z == 3.0f);

	Test(c[2] == c.z);
	Test(a[1] == a.y);

	Test(Small_Enough(a));
	Test(!a);

	b = c;
	Test(b.x == c.x && b.y == c.y && b.z == c.z);
	Test(Close_Enough(b,c));
	Test(b == c);
	Test(a != b);

	b.Negate(c);
	Test(b == Vector3D(-c.x,-c.y,-c.z));

	b.Add(c,d);
	Test(b == Vector3D(c.x+d.x,c.y+d.y,c.z+d.z));
	b = c;
	b += d;
	Test(b == Vector3D(c.x+d.x,c.y+d.y,c.z+d.z));

	b.Subtract(d,c);
	Test(b == Vector3D(d.x-c.x,d.y-c.y,d.z-c.z));
	b = d;
	b -= c;
	Test(b == Vector3D(d.x-c.x,d.y-c.y,d.z-c.z));

	Scalar f = c*d;
	Test(f == c.x*d.x + c.y*d.y + c.z*d.z);

	b.Cross(c,d);
	Test(b == Vector3D(c.y*d.z-c.z*d.y,c.z*d.x-c.x*d.z,c.x*d.y-c.y*d.x));

	f = 2.0f;
	b.Multiply(c,f);
	Test(b == Vector3D(f*c.x,f*c.y,f*c.z));
	b = c;
	b *= f;
	Test(b == Vector3D(f*c.x,f*c.y,f*c.z));

	b.Multiply(c,d);
	Test(b == Vector3D(c.x*d.x,c.y*d.y,c.z*d.z));
	b = c;
	b *= d;
	Test(b == Vector3D(c.x*d.x,c.y*d.y,c.z*d.z));

	b.Divide(c,f);
	Test(b == Vector3D(c.x/f,c.y/f,c.z/f));
	b = c;
	b /= f;
	Test(b == Vector3D(c.x/f,c.y/f,c.z/f));

	b.Divide(c,d);
	Test(b == Vector3D(c.x/d.x,c.y/d.y,c.z/d.z));
	b = c;
	b /= d;
	Test(b == Vector3D(c.x/d.x,c.y/d.y,c.z/d.z));

	AffineMatrix
		m(True);
	EulerAngles
		r(PI_OVER_4,0.0f,0.0f);
	m = r;
	b.Multiply(c,m);
	Test(b == Vector3D(c.x,c.y*m(1,1)+c.z*m(2,1),c.y*m(1,2)+c.z*m(2,2)));
	b = c;
	b *= m;
	Test(b == Vector3D(c.x,c.y*m(1,1)+c.z*m(2,1),c.y*m(1,2)+c.z*m(2,2)));

	Test(!a.LengthSquared());
	f = c.LengthSquared();
	Test(f == c.x*c.x + c.y*c.y + c.z*c.z);
	f = c.Length();
	Test(Close_Enough(f,Sqrt(c.x*c.x + c.y*c.y + c.z*c.z)));
	b.Normalize(c);
	Test(b == Vector3D(c.x/f, c.y/f, c.z/f));

	b.Combine(c,2.0f,d,2.0f);
	Test(b == Vector3D(2.0f*(c.x+d.x),2.0f*(c.y+d.y),2.0f*(c.z+d.z)));

	b.Lerp(c,d,0.5f);
	Test(b == Vector3D(0.5f*(c.x+d.x),0.5f*(c.y+d.y),0.5f*(c.z+d.z)));

	LBE3Vector3D lbe3(1.0f,2.0f,3.0f);
	TIVector3D ti(1.0f,2.0f,3.0f);

	b = lbe3;
	Test(b == Vector3D(lbe3.x,lbe3.z,lbe3.y));
	b = ti;
	Test(b == Vector3D(ti.x,ti.y,-ti.z));

	return True;
}

//
//###########################################################################
//###########################################################################
//
Logical
	LBE3Vector3D::TestClass()
{
	DEBUG_STREAM << "Starting LBE3Vector3D test...\n";

	const LBE3Vector3D
		a(1.0f,2.0f,3.0f);
	LBE3Vector3D
		b;

	b = a;
	Test(b == a);

	Vector3D v(1.0f,2.0f,3.0f);
	b = v;
	Test(b == LBE3Vector3D(v.x,v.z,v.y));

	TIVector3D ti(1.0f,2.0f,3.0f);
	b = ti;
	Test(b == LBE3Vector3D(ti.x, -ti.z, ti.y));

	return True;
}

//
//###########################################################################
//###########################################################################
//
Logical
	TIVector3D::TestClass()
{
	DEBUG_STREAM << "Starting TIVector3D test...\n";

	const TIVector3D
		a(1.0f,2.0f,3.0f);
	TIVector3D
		b;

	b = a;
	Test(b == a);

	Vector3D v(1.0f,2.0f,3.0f);
	b = v;
	Test(b == TIVector3D(v.x,v.y,-v.z));

	LBE3Vector3D lbe3(1.0f,2.0f,3.0f);
	b = lbe3;
	Test(b == TIVector3D(lbe3.x, lbe3.z, -lbe3.y));

	return True;
}