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

garage_ui/test/geometry_baseline_test.dart

@@ -0,0 +1,98 @@
+import "dart:ui" show Color;
+
+import "package:flutter_test/flutter_test.dart";
+import "package:garage_ui/theme/theme_data.dart";
+
+// CHARACTERISATION BASELINE — do not "fix" these numbers.
+//
+// This locks the geometry Arcs & Angles renders at today, ahead of the density
+// API being reshaped. The API is expected to change; the numbers are not. A
+// failure here means the refactor moved something on screen, which is the one
+// outcome that isn't allowed.
+//
+// Captured 28 Aug 2026 from Density() and Density.normal().
+void main() {
+  group("compact", () {
+    const d = Density();
+    test("type", () {
+      expect(d.fontSize, 10.0);
+      expect(d.lineHeight, 1.1);
+      expect(d.lineBox, 11.0);
+      // level with the font, not the line box - an icon sized to the line box
+      // reads heavier than the label beside it
+      expect(d.iconSize, 10.0);
+    });
+    test("text ladder", () {
+      expect(d.textXs, 11.0);
+      expect(d.textSm, 14.0);
+      expect(d.textLg, 18.0);
+    });
+    test("control geometry", () {
+      expect(d.controlHeight, 23.0);
+      expect(d.controlPaddingY, 6.0);
+      expect(d.buttonPaddingX, 10.0);
+      expect(d.controlGap, 4.0);
+      expect(d.controlBorderWidth, 1.0);
+      expect(d.buttonPadding.horizontal, 20.0);
+      expect(d.buttonPadding.vertical, 12.0);
+      expect(d.borderedControlPadding.horizontal, 18.0);
+      expect(d.borderedControlPadding.vertical, 10.0);
+    });
+    test("rows", () {
+      expect(d.menuRowHeight, 20.0);
+      expect(d.popupRowHeight, 20.0);
+      expect(d.popupMaxHeight, 240.0);
+      expect(d.explorerRowHeight, 22.0);
+      expect(d.explorerRowPaddingY, 5.5);
+      expect(d.explorerRowBasePadding, 4.0);
+      expect(d.explorerRowEndPadding, 10.0);
+      expect(d.listRowIndent, 6.0);
+    });
+    test("containers and gaps", () {
+      expect(d.containerGap, 8.0);
+      expect(d.containerPadding, 16.0);
+      expect([d.gapXxs, d.gapXs, d.gapSm, d.gapMd, d.gapLg, d.gapXl, d.gapXxl],
+          [2.0, 4.0, 6.0, 8.0, 12.0, 16.0, 24.0]);
+    });
+  });
+
+  group("normal", () {
+    const d = Density.normal();
+    test("type", () {
+      expect(d.fontSize, 10.0);
+      expect(d.lineBox, 11.0);
+    });
+    test("text ladder", () {
+      expect(d.textXs, 11.0);
+      expect(d.textSm, 14.0);
+      expect(d.textLg, 18.0);
+    });
+    test("control geometry", () {
+      expect(d.controlHeight, 27.0);
+      expect(d.controlPaddingY, 8.0);
+      expect(d.buttonPaddingX, 12.0);
+      expect(d.controlGap, 5.0);
+    });
+    test("rows", () {
+      expect(d.menuRowHeight, 26.0);
+      expect(d.popupRowHeight, 26.0);
+      expect(d.explorerRowHeight, 30.0);
+      expect(d.explorerRowBasePadding, 8.0);
+      expect(d.explorerRowEndPadding, 14.0);
+      expect(d.listRowIndent, 12.0);
+    });
+    test("containers and gaps", () {
+      expect(d.containerGap, 10.0);
+      expect(d.containerPadding, 20.0);
+      expect([d.gapXxs, d.gapXs, d.gapSm, d.gapMd, d.gapLg, d.gapXl, d.gapXxl],
+          [3.0, 5.0, 8.0, 10.0, 15.0, 20.0, 30.0]);
+    });
+  });
+
+  test("icon tiers at scaling 1.0", () {
+    final t = IconThemeTokens.forDensity(const Density(), 1.0, const Color(0));
+    expect(t.small.size, 10.0);
+    expect(t.medium.size, 20.0);
+    expect(t.large.size, 24.0);
+  });
+}