77 lines
2.0 KiB
Go
77 lines
2.0 KiB
Go
package input
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import (
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"testing"
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"github.com/egoist/mygo/ui"
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"github.com/ZacharyZhang-NY/MujicaUI/core"
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)
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// sliderRecord builds a Slider and a RangeSlider and records the values each Changed reported.
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type sliderRecord struct {
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v, low, high float64
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single, lows, his []float64
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}
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func sliderGridTester(r *sliderRecord, min, max, step float64) *ui.Tester {
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return ui.NewTester(func(c *ui.Context) {
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core.Use(c, core.Settings{})
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ui.Column(c).Width(216).Gap(10).Children(func() {
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if Slider(c, &r.v, SliderOptions{Min: min, Max: max, Step: step, Label: "One"}).Changed() {
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r.single = append(r.single, r.v)
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}
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if RangeSlider(c, &r.low, &r.high, RangeSliderOptions{Min: min, Max: max, Step: step, Label: "Two"}).Changed() {
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r.lows, r.his = append(r.lows, r.low), append(r.his, r.high)
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}
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})
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}, 300, 300)
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}
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func TestSliderEndSnapsToStepGrid(t *testing.T) {
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r := &sliderRecord{v: 3, low: 0, high: 3}
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tt := sliderGridTester(r, 0, 10, 3)
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tt.Key(0, ui.KeyTab)
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tt.Key(0, ui.KeyEnd)
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if len(r.single) != 1 || r.single[0] != 9 || r.v != 9 {
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t.Fatalf("Slider End reported %v, value %v", r.single, r.v)
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}
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tt.Key(0, ui.KeyTab)
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tt.Key(0, ui.KeyTab)
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tt.Key(0, ui.KeyEnd)
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if len(r.his) != 1 || r.his[0] != 9 || r.high != 9 {
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t.Fatalf("RangeSlider End reported %v, high %v", r.his, r.high)
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}
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}
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func TestSliderTinyStep(t *testing.T) {
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r := &sliderRecord{v: 0, low: 0, high: 1e-9}
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tt := sliderGridTester(r, 0, 1e-9, 1e-10)
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tt.Key(0, ui.KeyTab)
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tt.Key(0, ui.KeyRight)
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if r.v != 1e-10 {
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t.Fatalf("Slider Right: %v", r.v)
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}
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tt.Key(0, ui.KeyTab)
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tt.Key(0, ui.KeyRight)
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if r.low != 1e-10 {
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t.Fatalf("RangeSlider Right: %v", r.low)
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}
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}
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func TestSliderKeepsPreciseMin(t *testing.T) {
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const lo = 0.1234567891
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r := &sliderRecord{v: 0.5, low: 0.5, high: 0.6}
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tt := sliderGridTester(r, lo, 1, 0.1)
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tt.Key(0, ui.KeyTab)
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tt.Key(0, ui.KeyHome)
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if r.v < lo || r.v != lo {
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t.Fatalf("Slider Home: %v, Min %v", r.v, lo)
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}
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tt.Key(0, ui.KeyTab)
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tt.Key(0, ui.KeyHome)
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if r.low < lo || r.low != lo {
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t.Fatalf("RangeSlider Home: %v, Min %v", r.low, lo)
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}
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}
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