// SPDX-FileCopyrightText: 2023 Erin Catto
// SPDX-License-Identifier: MIT

#include "aabb.h"
#include "test_macros.h"

#include "box2d/math_functions.h"

static int AABBTest( void )
{
	b2AABB a;
	a.lowerBound = ( b2Vec2 ){ -1.0f, -1.0f };
	a.upperBound = ( b2Vec2 ){ -2.0f, -2.0f };

	ENSURE( b2AABB_IsValid( a ) == false );

	a.upperBound = ( b2Vec2 ){ 1.0f, 1.0f };
	ENSURE( b2AABB_IsValid( a ) == true );

	b2AABB b = { { 2.0f, 2.0f }, { 4.0f, 4.0f } };
	ENSURE( b2AABB_Overlaps( a, b ) == false );
	ENSURE( b2AABB_Contains( a, b ) == false );

	b2Vec2 p1 = ( b2Vec2 ){ -2.0f, 0.0f };
	b2Vec2 p2 = ( b2Vec2 ){ 2.0f, 0.0f };

	b2CastOutput output = b2AABB_RayCast( a, p1, p2 );
	ENSURE( output.hit == true );
	ENSURE( 0.1f < output.fraction && output.fraction < 0.9f );

	return 0;
}

int CollisionTest( void )
{
	RUN_SUBTEST( AABBTest );

	return 0;
}