From dbd3f43fa3e708a20a43f40a8432d2324677ca43 Mon Sep 17 00:00:00 2001
From: "google-labs-jules[bot]"
 <161369871+google-labs-jules[bot]@users.noreply.github.com>
Date: Sat, 22 Aug 2026 14:24:23 +0000
Subject: [PATCH] test: add out-of-bounds alpha assertion test for
 MKTileOverlay

Co-authored-by: esenmx <43244505+esenmx@users.noreply.github.com>
---
 test/mk_tile_overlay_test.dart | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/test/mk_tile_overlay_test.dart b/test/mk_tile_overlay_test.dart
index 976f36e..c98b3fa 100644
--- a/test/mk_tile_overlay_test.dart
+++ b/test/mk_tile_overlay_test.dart
@@ -50,6 +50,24 @@ void main() {
         ),
       ).throws<AssertionError>();
     });
+
+    test('rejects out of bounds alpha values', () {
+      check(
+        () => MKTileOverlay(
+          id: const MKTileOverlayId('bad'),
+          urlTemplate: 'https://t/{z}/{x}/{y}.png',
+          alpha: -0.1,
+        ),
+      ).throws<AssertionError>();
+
+      check(
+        () => MKTileOverlay(
+          id: const MKTileOverlayId('bad'),
+          urlTemplate: 'https://t/{z}/{x}/{y}.png',
+          alpha: 1.1,
+        ),
+      ).throws<AssertionError>();
+    });
   });
 
   group('equality', () {