114 lines
3.0 KiB
Go
114 lines
3.0 KiB
Go
package layout
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import (
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"testing"
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"github.com/egoist/mygo/ui"
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"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/core"
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)
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// aspectRatioBounds returns the frame (via a filling child) and a fixed 40x20 child.
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func aspectRatioBounds(t *testing.T, ratio float32, w, h int) (box, child ui.Rect) {
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t.Helper()
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ui.NewTester(func(c *ui.Context) {
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core.Use(c, core.Settings{})
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ui.Column(c).Size(float32(w), float32(h)).Children(func() {
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AspectRatio(c, AspectRatioOptions{Ratio: ratio}, func() {
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box = ui.Box(c).Fill().Absolute().Bounds()
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child = ui.Box(c).Size(40, 20).Bounds()
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})
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})
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}, 600, 600).Frame()
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return box, child
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}
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func TestAspectRatioWidthBound(t *testing.T) {
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box, _ := aspectRatioBounds(t, 16.0/9, 320, 400)
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if box.W != 320 || box.H != 180 {
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t.Fatalf("box %vx%v, want 320x180", box.W, box.H)
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}
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}
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func TestAspectRatioHeightBound(t *testing.T) {
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box, _ := aspectRatioBounds(t, 2, 400, 100)
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if box.W != 200 || box.H != 100 {
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t.Fatalf("box %vx%v, want 200x100", box.W, box.H)
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}
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}
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func TestAspectRatioDefaultSquareAndUnstretchedChild(t *testing.T) {
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box, child := aspectRatioBounds(t, 0, 200, 400)
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if box.W != 200 || box.H != 200 {
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t.Fatalf("box %vx%v, want 200x200", box.W, box.H)
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}
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if child.W != 40 || child.H != 20 {
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t.Fatalf("child stretched to %vx%v", child.W, child.H)
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}
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if child.X != box.X+80 || child.Y != box.Y+90 {
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t.Fatalf("child at %v,%v not centered in %+v", child.X, child.Y, box)
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}
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}
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func TestAspectRatioFollowsWindowResize(t *testing.T) {
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var box ui.Rect
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tt := ui.NewTester(func(c *ui.Context) {
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core.Use(c, core.Settings{})
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ui.Column(c).Fill().Children(func() {
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AspectRatio(c, AspectRatioOptions{Ratio: 2}, func() {
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box = ui.Box(c).Fill().Absolute().Bounds()
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})
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})
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}, 400, 100)
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if box.W != 200 || box.H != 100 {
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t.Fatalf("short window: %vx%v, want 200x100", box.W, box.H)
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}
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tt.SetSize(400, 400)
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if box.W != 400 || box.H != 200 {
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t.Fatalf("tall window: %vx%v, want 400x200", box.W, box.H)
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}
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tt.SetSize(300, 400)
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if box.W != 300 || box.H != 150 {
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t.Fatalf("narrow window: %vx%v, want 300x150", box.W, box.H)
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}
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}
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func TestAspectRatioRejectsNegative(t *testing.T) {
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defer func() {
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if recover() == nil {
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t.Fatal("negative ratio did not panic")
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}
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}()
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ui.NewTester(func(c *ui.Context) {
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core.Use(c, core.Settings{})
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AspectRatio(c, AspectRatioOptions{Ratio: -1}, func() {})
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}, 100, 100)
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}
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func TestAspectRatioSnapshot(t *testing.T) {
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snapshot(t, "aspect_ratio", 420, 160, func(c *ui.Context) {
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k := core.Tokens(c)
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ui.Row(c).Padding(16).Gap(16).Height(160).AlignItems(ui.Stretch).Children(func() {
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for _, r := range []float32{1, 16.0 / 9, 3.0 / 4} {
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ui.Box(c).Width(120).Children(func() {
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AspectRatio(c, AspectRatioOptions{Ratio: r}, func() {
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ui.Box(c).Fill().Center().Background(k.Surface).Border(1, k.Border).Radius(4).Children(func() {
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ui.Text(c, aspectRatioLabel(r)).TextColor(k.TextMuted)
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})
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})
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})
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}
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})
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})
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}
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func aspectRatioLabel(r float32) string {
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switch r {
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case 1:
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return "1 : 1"
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case 3.0 / 4:
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return "3 : 4"
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}
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return "16 : 9"
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}
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