github.com/Seikaijyu/gio@v0.0.1/layout/stack_test.go (about)

     1  // SPDX-License-Identifier: Unlicense OR MIT
     2  
     3  package layout
     4  
     5  import (
     6  	"image"
     7  	"testing"
     8  
     9  	"github.com/Seikaijyu/gio/op"
    10  )
    11  
    12  func BenchmarkStack(b *testing.B) {
    13  	gtx := Context{
    14  		Ops: new(op.Ops),
    15  		Constraints: Constraints{
    16  			Max: image.Point{X: 100, Y: 100},
    17  		},
    18  	}
    19  	b.ReportAllocs()
    20  	b.ResetTimer()
    21  
    22  	for i := 0; i < b.N; i++ {
    23  		gtx.Ops.Reset()
    24  
    25  		Stack{}.Layout(gtx,
    26  			Expanded(emptyWidget{
    27  				Size: image.Point{X: 60, Y: 60},
    28  			}.Layout),
    29  			Stacked(emptyWidget{
    30  				Size: image.Point{X: 30, Y: 30},
    31  			}.Layout),
    32  		)
    33  	}
    34  }
    35  
    36  func BenchmarkBackground(b *testing.B) {
    37  	gtx := Context{
    38  		Ops: new(op.Ops),
    39  		Constraints: Constraints{
    40  			Max: image.Point{X: 100, Y: 100},
    41  		},
    42  	}
    43  	b.ReportAllocs()
    44  	b.ResetTimer()
    45  
    46  	for i := 0; i < b.N; i++ {
    47  		gtx.Ops.Reset()
    48  
    49  		Background{}.Layout(gtx,
    50  			emptyWidget{
    51  				Size: image.Point{X: 60, Y: 60},
    52  			}.Layout,
    53  			emptyWidget{
    54  				Size: image.Point{X: 30, Y: 30},
    55  			}.Layout,
    56  		)
    57  	}
    58  }
    59  
    60  type emptyWidget struct {
    61  	Size image.Point
    62  }
    63  
    64  func (w emptyWidget) Layout(gtx Context) Dimensions {
    65  	return Dimensions{Size: w.Size}
    66  }