ZacharyZhang-NY
5f217100ff
Callers skip a hidden child with if !hidden { build() }; an unbuilt
child already takes no room and no gap. Docs, Example and Gallery
updated.
116 lines
2.9 KiB
Go
116 lines
2.9 KiB
Go
package mujica
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import (
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"testing"
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"github.com/egoist/mygo/ui"
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)
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func TestStackVerticalGap(t *testing.T) {
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var a, b ui.Rect
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ui.NewTester(func(c *ui.Context) {
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Use(c, Settings{})
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Stack(c, StackOptions{}, func() {
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a = ui.Box(c).Height(20).Bounds()
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b = ui.Box(c).Height(20).Bounds()
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})
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}, 300, 300).Frame()
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if b.Y-(a.Y+a.H) != 8 {
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t.Fatalf("gap %v, want 8", b.Y-(a.Y+a.H))
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}
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if a.W != 300 {
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t.Fatalf("vertical stack did not stretch: width %v", a.W)
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}
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}
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func TestStackHiddenItemTakesNoGap(t *testing.T) {
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for _, hide := range []bool{false, true} {
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var a, last ui.Rect
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ui.NewTester(func(c *ui.Context) {
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Use(c, Settings{})
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Stack(c, StackOptions{Horizontal: true, Gap: SpaceL}, func() {
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a = ui.Box(c).Size(30, 10).Bounds()
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if !hide {
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ui.Box(c).Size(30, 10)
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}
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last = ui.Box(c).Size(30, 10).Bounds()
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})
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}, 300, 300).Frame()
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want := a.X + 30 + 16
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if !hide {
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want += 30 + 16
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}
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if last.X != want {
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t.Errorf("hidden=%v: last at %v, want %v", hide, last.X, want)
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}
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}
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}
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func TestStackAlignEnd(t *testing.T) {
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var r ui.Rect
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ui.NewTester(func(c *ui.Context) {
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Use(c, Settings{})
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ui.Column(c).Width(200).Children(func() {
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Stack(c, StackOptions{Align: StackAlignEnd}, func() {
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r = ui.Box(c).Size(50, 10).Bounds()
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})
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})
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}, 300, 300).Frame()
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if r.X != 150 {
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t.Fatalf("end-aligned child at %v, want 150", r.X)
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}
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}
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func TestStackJustifyAndWrap(t *testing.T) {
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var first, third ui.Rect
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ui.NewTester(func(c *ui.Context) {
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Use(c, Settings{})
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ui.Column(c).Width(250).Children(func() {
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Stack(c, StackOptions{Horizontal: true, Wrap: true, Gap: SpaceNone, Justify: ui.End}, func() {
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first = ui.Box(c).Size(100, 20).Bounds()
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ui.Box(c).Size(100, 20)
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third = ui.Box(c).Size(100, 20).Bounds()
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})
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})
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}, 300, 300).Frame()
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if third.Y != first.Y+20 {
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t.Fatalf("third at y=%v, want the next line at %v", third.Y, first.Y+20)
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}
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if first.X != 50 || third.X != 150 {
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t.Fatalf("end-justified lines start at %v and %v, want 50 and 150", first.X, third.X)
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}
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}
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func TestStackWrapNeedsHorizontal(t *testing.T) {
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defer func() {
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if recover() == nil {
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t.Fatal("vertical Wrap 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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Use(c, Settings{})
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Stack(c, StackOptions{Wrap: true}, func() {})
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}, 100, 100)
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}
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func TestStackSnapshot(t *testing.T) {
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snapshot(t, "stack", 420, 150, func(c *ui.Context) {
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k := Tokens(c)
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chip := func(s string) {
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ui.Box(c).Padding(6, 12).Background(k.Surface).Border(1, k.Border).Radius(2).Children(func() { ui.Text(c, s) })
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}
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ui.Column(c).Padding(16).Gap(16).Children(func() {
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Stack(c, StackOptions{Horizontal: true}, func() {
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for _, s := range []string{"Overture", "Aria", "Recitative"} {
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chip(s)
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}
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})
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Stack(c, StackOptions{Horizontal: true, Justify: ui.SpaceBetween}, func() {
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chip("Start")
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chip("Between")
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chip("End")
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})
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})
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})
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}
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