box2d_test.go

package geos_test

import (
	"testing"

	"github.com/alecthomas/assert/v2"

	"github.com/twpayne/go-geos"
)

func TestBox2D(t *testing.T) {
	b := geos.NewBox2D(1, 2, 3, 4)
	assert.True(t, b.Contains(b))
	assert.True(t, b.Contains(geos.NewBox2D(1.5, 2.5, 2.5, 3.5)))
	assert.False(t, b.Contains(geos.NewBox2D(1.5, 0.5, 2.5, 1.5)))
	assert.True(t, b.ContainsPoint(2, 3))
	assert.False(t, b.ContainsPoint(2, 1))
	assert.True(t, b.Equals(geos.NewBox2D(1, 2, 3, 4)))
	expectedWKT := "POLYGON ((1 2, 3 2, 3 4, 1 4, 1 2))"
	if geos.VersionCompare(3, 12, 0) < 0 {
		expectedWKT = "POLYGON ((1.0000000000000000 2.0000000000000000, 3.0000000000000000 2.0000000000000000, 3.0000000000000000 4.0000000000000000, 1.0000000000000000 4.0000000000000000, 1.0000000000000000 2.0000000000000000))"
	}
	assert.Equal(t, expectedWKT, b.Geom().ToWKT())
	assert.False(t, b.IsEmpty())
	assert.Equal(t, 2.0, b.Height())
	assert.True(t, b.Intersects(b))
	assert.True(t, b.Intersects(geos.NewBox2D(1.5, 2.5, 2.5, 3.5)))
	assert.True(t, b.Intersects(geos.NewBox2D(1.5, 0.5, 2.5, 3.5)))
	assert.False(t, b.Intersects(geos.NewBox2D(1.5, 0.5, 2.5, 1.5)))
	assert.False(t, b.IsPoint())
	assert.Equal(t, 2.0, b.Width())
}

func TestBox2DEmpty(t *testing.T) {
	b := geos.NewBox2DEmpty()
	assert.False(t, b.Contains(b))
	assert.False(t, b.Contains(geos.NewBox2DEmpty()))
	assert.False(t, b.ContainsPoint(0, 0))
	assert.True(t, b.Equals(b)) //nolint:gocritic
	assert.Equal(t, "POINT EMPTY", b.Geom().ToWKT())
	assert.True(t, b.IsEmpty())
	assert.False(t, b.Intersects(b))
	assert.False(t, b.IsPoint())
}

func TestBox2DPoint(t *testing.T) {
	b := geos.NewBox2D(0, 0, 0, 0)
	assert.True(t, b.Contains(b))
	assert.False(t, b.Contains(geos.NewBox2D(1, 2, 3, 4)))
	assert.True(t, b.ContainsPoint(0, 0))
	assert.False(t, b.ContainsPoint(1, 2))
	assert.True(t, b.Equals(b)) //nolint:gocritic
	assert.False(t, b.Equals(geos.NewBox2D(1, 2, 3, 4)))
	assert.False(t, b.Equals(geos.NewBox2DEmpty()))
	expectedWKT := "POINT (0 0)"
	if geos.VersionCompare(3, 12, 0) < 0 {
		expectedWKT = "POINT (0.0000000000000000 0.0000000000000000)"
	}
	assert.Equal(t, expectedWKT, b.Geom().ToWKT())
	assert.False(t, b.IsEmpty())
	assert.Equal(t, 0.0, b.Height())
	assert.True(t, b.IsPoint())
	assert.Equal(t, 0.0, b.Width())
}