forked from joejulian/gio
Elias Naur
50 lines
973 B
Go
50 lines
973 B
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 TestStackAllocs(t *testing.T) {
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var ops op.Ops
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allocs := testing.AllocsPerRun(1, func() {
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ops.Reset()
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gtx := Context{
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Ops: &ops,
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}
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Stack{}.Layout(gtx,
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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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})
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if allocs != 0 {
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t.Errorf("expected no allocs, got %f", allocs)
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}
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}
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