#include "UnitTestSharpHLSL.fx"
#include "SpaceConversions.fxh"

float4x4 WCV = {
		1, 2, 0, 0,
		3, 1, 0, 0,
		0, 0, 0, 0,
		1, 2, 0, 1,
};

float4x4 WCV_Inv = {
		1, 2, 0, 0,
		3, 1, 0, 0,
		0, 0, 0, 0,
		1, 2, 0, 1,
};

float2 pt = float2(3, 4);

void WS2PS_Point_Basic()
{
	float2 result = WS2PS_Point(pt, WCV);
	float2 expected = float2(16, 12);
	
	CheckEqual(expected, result);
}

void WS2PS_Dir_Basic()
{	
	float2 result = WS2PS_Dir(pt, WCV);
	float2 expected = float2(15, 10);
	
	CheckEqual(expected, result);
}

void PS2WS_Point_Basic()
{
	float2 result = PS2WS_Point(pt, WCV_Inv);
	float2 expected = float2(16, 12);
	
	CheckEqual(expected, result);
}

void PS2WS_Dir_Basic()
{	
	float2 result = PS2WS_Dir(pt, WCV_Inv);
	float2 expected = float2(15, 10);
	
	CheckEqual(expected, result);
}