The Garage SDKs, in the open

garage_auth, garage_entitlements, garage_iap and garage_ui, moved out of Garage-Services and Metro-Map-Maker into one public repo. MIT, one readme, docs under docs/. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_013F4NWNvYcdeSgqbWMT1VQ7
2026-09-23 18:49:21 +01:00
commit b269201919
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+import "package:flutter/widgets.dart";
+import "package:flutter_test/flutter_test.dart";
+import "package:garage_ui/garage_ui.dart";
+
+import "support/test_scheme.dart";
+
+// A segmented control lives in a PropertyRow: bounded WIDTH, unbounded height.
+// That combination is the whole point of these tests - `expands: true` drops
+// the IntrinsicHeight that gives `stretch` something to stretch to, and the
+// buttons collapse to nothing.
+Widget _host(Widget child) => Directionality(
+      textDirection: TextDirection.ltr,
+      child: GarageTheme(
+        data: ThemeData(colorScheme: testScheme, density: const Density()),
+        child: Align(
+          alignment: Alignment.topLeft,
+          child: SizedBox(width: 300, child: child),
+        ),
+      ),
+    );
+
+Widget _seg(String label) => Button(
+      style: const ButtonStyle.outline(),
+      alignment: Alignment.center,
+      onPressed: () {},
+      child: Text(label),
+    );
+
+void main() {
+  testWidgets("fill splits the main axis evenly", (tester) async {
+    await tester.pumpWidget(
+      _host(
+        ButtonGroup.horizontal(
+          fill: true,
+          children: [_seg("Off"), _seg("Optional"), _seg("Required")],
+        ),
+      ),
+    );
+
+    expect(tester.takeException(), isNull);
+
+    final off = tester.getSize(find.widgetWithText(Button, "Off"));
+    final optional = tester.getSize(find.widgetWithText(Button, "Optional"));
+    final required = tester.getSize(find.widgetWithText(Button, "Required"));
+
+    // an even share of the 300, not a share of the label lengths
+    expect(off.width, closeTo(100, 1));
+    expect(optional.width, closeTo(100, 1));
+    expect(required.width, closeTo(100, 1));
+
+    // and a real height, which is what collapsed before
+    expect(off.height, greaterThan(0));
+  });
+
+  testWidgets("it survives a narrow field without overflowing", (
+    tester,
+  ) async {
+    // a phone-width property row. Three segments that each want ~90px of
+    // label in 200px is where a fill would blow the right edge off.
+    await tester.pumpWidget(
+      Directionality(
+        textDirection: TextDirection.ltr,
+        child: GarageTheme(
+          data: ThemeData(colorScheme: testScheme, density: const Density()),
+          child: Align(
+            alignment: Alignment.topLeft,
+            child: SizedBox(
+              width: 200,
+              child: ButtonGroup.horizontal(
+                fill: true,
+                children: [_seg("Off"), _seg("Optional"), _seg("Required")],
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+
+    expect(tester.takeException(), isNull);
+    final group = tester.getSize(find.byType(ButtonGroup));
+    expect(group.width, closeTo(200, 1));
+    for (final label in ["Off", "Optional", "Required"]) {
+      final seg = tester.getSize(find.widgetWithText(Button, label));
+      expect(seg.width, closeTo(200 / 3, 1), reason: label);
+      expect(seg.height, greaterThan(0), reason: label);
+    }
+  });
+
+  testWidgets("without fill it still shrink wraps to its labels", (
+    tester,
+  ) async {
+    await tester.pumpWidget(
+      _host(
+        ButtonGroup.horizontal(
+          children: [_seg("Off"), _seg("Optional"), _seg("Required")],
+        ),
+      ),
+    );
+
+    expect(tester.takeException(), isNull);
+    final off = tester.getSize(find.widgetWithText(Button, "Off"));
+    final required = tester.getSize(find.widgetWithText(Button, "Required"));
+    expect(off.width, lessThan(required.width));
+  });
+}