// SPDX-License-Identifier: Unlicense OR MIT

package layout

import (
	"image"
	"testing"

	"gioui.org/op"
)

func TestStack(t *testing.T) {
	gtx := Context{
		Ops: new(op.Ops),
		Constraints: Constraints{
			Max: image.Pt(100, 100),
		},
	}
	exp := image.Point{X: 60, Y: 70}
	dims := Stack{Alignment: Center}.Layout(gtx,
		Expanded(func(gtx Context) Dimensions {
			return Dimensions{Size: exp}
		}),
		Stacked(func(gtx Context) Dimensions {
			return Dimensions{Size: image.Point{X: 50, Y: 50}}
		}),
	)
	if got := dims.Size; got != exp {
		t.Errorf("Stack ignored Expanded size, got %v expected %v", got, exp)
	}
}