v/vlib/v/tests/imported_symbols_test.v

module main

import geometry { Line, Point, PointCond, Shape, point_str }

fn point_is(p Point, cond PointCond) bool {
	return cond(p)
}

fn test_imported_symbols_types() {
	// struct init
	p0 := Point{
		x: 10
		y: 20
	}
	p1 := Point{
		x: 40
		y: 60
	}
	// array init
	l0 := Line{
		ps: [p0, p1]
	}
	assert l0.ps[0].y == 20

	cond := fn (p Point) bool {
		return p.x == 10
	}
	assert point_is(p0, cond)
}

fn test_imported_symbols_functions() {
	p0 := Point{
		x: 20
		y: 40
	}
	// method
	assert p0.str() == '20 40'
	// function
	assert point_str(p0) == '20 40'
}

fn vertex_count(s Shape) int {
	return match s {
		.circle { 0 }
		.triangle { 3 }
		.rectangle { 4 }
	}
}

fn test_imported_symbols_enums() {
	assert vertex_count(.triangle) == 3
	assert vertex_count(Shape.triangle) == 3
}