forked from joejulian/gio
Pierre Curto
65 lines
1.3 KiB
Go
65 lines
1.3 KiB
Go
// SPDX-License-Identifier: Unlicense OR MIT
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package layout
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import (
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"image"
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"testing"
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"gioui.org/op"
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)
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func TestStack(t *testing.T) {
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gtx := Context{
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Ops: new(op.Ops),
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Constraints: Constraints{
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Max: image.Pt(100, 100),
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},
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}
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exp := image.Point{X: 60, Y: 70}
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dims := Stack{Alignment: Center}.Layout(gtx,
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Expanded(func(gtx Context) Dimensions {
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return Dimensions{Size: exp}
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}),
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Stacked(func(gtx Context) Dimensions {
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return Dimensions{Size: image.Point{X: 50, Y: 50}}
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}),
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)
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if got := dims.Size; got != exp {
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t.Errorf("Stack ignored Expanded size, got %v expected %v", got, exp)
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}
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}
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func TestDirection(t *testing.T) {
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max := image.Pt(100, 100)
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for _, tc := range []struct {
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dir Direction
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exp image.Point
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}{
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{N, image.Pt(max.X, 0)},
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{S, image.Pt(max.X, 0)},
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{E, image.Pt(0, max.Y)},
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{W, image.Pt(0, max.Y)},
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{NW, image.Pt(0, 0)},
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{NE, image.Pt(0, 0)},
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{SE, image.Pt(0, 0)},
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{SW, image.Pt(0, 0)},
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{Center, image.Pt(0, 0)},
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} {
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t.Run(tc.dir.String(), func(t *testing.T) {
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gtx := Context{
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Ops: new(op.Ops),
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Constraints: Exact(max),
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}
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var min image.Point
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tc.dir.Layout(gtx, func(gtx Context) Dimensions {
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min = gtx.Constraints.Min
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return Dimensions{}
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})
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if got, exp := min, tc.exp; got != exp {
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t.Errorf("got %v; expected %v", got, exp)
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}
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})
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}
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}
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