37 lines
1.0 KiB
Go
37 lines
1.0 KiB
Go
package ui
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import (
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"testing"
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inkwell "git.teletypegames.org/engines/inkwell"
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"git.teletypegames.org/games/realworld/internal/world"
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)
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// The arrow keys walk the deck in registration order and wrap at both ends —
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// until the beats grow doors, that walk is the only way through most screens,
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// so a dead end at either end would strand the player on a greybox screen.
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func TestScreenNavWrapsBothWays(t *testing.T) {
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g := inkwell.NewGame("t", ScreenW, ScreenH)
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for _, n := range []string{"a", "b", "c"} {
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g.SceneManager.Register(inkwell.Scene{Name: n, Background: "bg"})
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}
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w := world.New(g)
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nav := &screenNav{Name: "screen_nav", W: w}
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at := func(name string) { world.EnterScene(w, name).Start().Tick(&inkwell.Ctx{Game: g}) }
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for _, tc := range []struct {
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from string
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step int
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want string
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}{
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{"a", 1, "b"}, {"b", 1, "c"}, {"c", 1, "a"},
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{"c", -1, "b"}, {"b", -1, "a"}, {"a", -1, "c"},
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} {
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at(tc.from)
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if got := nav.neighbour(g, tc.step); got != tc.want {
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t.Errorf("from %q step %+d = %q, want %q", tc.from, tc.step, got, tc.want)
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}
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}
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}
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