Layout: review r1 fixes

examples/gallery/pages_layout_test.go

@@ -0,0 +1,48 @@
+package main
+
+import (
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+
+	mujica "mujicaui"
+)
+
+func layoutPageTester(t *testing.T, id string, events *[]string) *ui.Tester {
+	t.Helper()
+	for _, p := range layoutPages {
+		if p.ID == id {
+			return ui.NewTester(func(c *ui.Context) {
+				mujica.Use(c, mujica.Settings{})
+				ui.Scroll(c).Fill().Children(func() {
+					p.Demo(c, func(s string) { *events = append(*events, s) })
+				})
+			}, 900, 700)
+		}
+	}
+	t.Fatalf("no layout page %s", id)
+	return nil
+}
+
+func TestLayoutStackDemoVerticalHasNoWrap(t *testing.T) {
+	var events []string
+	tt := layoutPageTester(t, "005", &events)
+	if err := tt.Click("Wrap"); err != nil {
+		t.Fatal(err)
+	}
+	if err := tt.Click("Horizontal"); err != nil {
+		t.Fatal(err)
+	}
+	if tt.HasText("Wrap") {
+		t.Fatal("Wrap control offered for a vertical stack")
+	}
+	if err := tt.Click("Horizontal"); err != nil {
+		t.Fatal(err)
+	}
+	if !tt.HasText("Wrap") {
+		t.Fatal("Wrap control missing for a horizontal stack")
+	}
+	if len(events) != 3 || events[1] != "Horizontal: false" {
+		t.Fatalf("events %q", events)
+	}
+}