test: 🧪 Added tests for Overlay

Author: Sahil-Simform

lib/src/utils/extensions.dart

@@ -47,4 +47,30 @@ extension ColorExtension on Color {
   /// Converts opacity value to color with alpha
   /// This avoids using the deprecated overlayOpacity directly
   Color reduceOpacity(double opacity) => withAlpha((opacity * 255).round());
+
+  /// Safe replacement for deprecated red property
+  int get safeRed => (0x00ff0000 & _toARGB32()) >> 16;
+
+  /// Safe replacement for deprecated green property
+  int get safeGreen => (0x0000ff00 & _toARGB32()) >> 8;
+
+  /// Safe replacement for deprecated blue property
+  int get safeBlue => (0x000000ff & _toARGB32()) >> 0;
+
+  /// Safe replacement for deprecated opacity property
+  double get safeOpacity => safeAlpha / 0xFF;
+
+  /// Safe replacement for deprecated alpha property
+  int get safeAlpha => (0xff000000 & _toARGB32()) >> 24;
+
+  int _toARGB32() {
+    return _floatToInt8(a) << 24 |
+        _floatToInt8(r) << 16 |
+        _floatToInt8(g) << 8 |
+        _floatToInt8(b) << 0;
+  }
+
+  int _floatToInt8(double x) {
+    return (x * 255.0).round() & 0xff;
+  }
 }