opencv 0.76.3

use opencv::core::{Point, Point2d, Size, Size2d, Size2f, Size2i};

#[test]
fn size_add() {
	let src = Size::new(0, 0);

	let res = Size::new(50, 50);
	{
		let out = src + Size::new(50, 50);
		assert_eq!(out, res);
	}

	{
		let mut out = src;
		out += Size::new(50, 50);
		assert_eq!(out, res);
	}
}

#[test]
fn size_sub() {
	let src = Size::new(50, 50);

	let res = Size::new(25, 25);
	{
		let out = src - Size::new(25, 25);
		assert_eq!(out, res);
	}

	{
		let mut out = src;
		out -= Size::new(25, 25);
		assert_eq!(out, res);
	}
}

#[test]
fn size_mul() {
	let src = Size2f::new(50., 50.);

	let res = Size2f::new(100., 100.);
	{
		let out = src * 2.;
		assert_eq!(out, res);
	}

	{
		let mut out = src;
		out *= 2.;
		assert_eq!(out, res);
	}
}

#[test]
fn size_div() {
	let src = Size::new(50, 50);

	let res = Size::new(25, 25);
	{
		let out = src / 2;
		assert_eq!(out, res);
	}

	{
		let mut out = src;
		out /= 2;
		assert_eq!(out, res);
	}
}

#[test]
fn size_methods() {
	let mut size = Size2d::new(10., 20.);
	assert!(!size.empty());
	assert_eq!(200., size.area());
	size.width = 0.;
	assert!(size.empty());
}

#[test]
fn size_conv() {
	let sizef = Size2d::new(1.2, 2.3);
	assert_eq!(Size2i::new(1, 2), sizef.to::<i32>().unwrap());
	assert_eq!(Size2f::new(1.2, 2.3), sizef.to::<f32>().unwrap());
	let sizei = Size2i::new(1, 2);
	assert_eq!(Size2f::new(1., 2.), sizei.to::<f32>().unwrap());

	assert_eq!(Size2d::new(10., 20.), Size2d::from_point(Point2d::new(10., 20.)));
}

#[test]
fn size_from() {
	assert_eq!(Size2f::new(1., 2.), (1., 2.).into());
	assert_eq!(Size::new(1, 2), Point::new(1, 2).into());
}