test: add file for tests

Author: riscait

packages/altive_lints/example/lints/avoid_hardcoded_color_test.dart

@@ -0,0 +1,28 @@
+// Check the `avoid_hardcoded_color` rule.
+//
+// This file ends with the name `_test.dart`,
+// so it should be exempt from the warning.
+
+import 'package:flutter/material.dart';
+
+class MyWidget extends StatelessWidget {
+  const MyWidget({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      children: [
+        const ColoredBox(color: Color(0xFF00FF00)),
+        const ColoredBox(color: Color.fromRGBO(0, 255, 0, 1)),
+        const ColoredBox(color: Colors.green),
+        ColoredBox(color: Theme.of(context).colorScheme.primary),
+        ColoredBox(color: _colorScheme.primary),
+        const ColoredBox(color: Colors.transparent),
+      ],
+    );
+  }
+}
+
+ColorScheme get _colorScheme => const ColorScheme.dark(
+      primary: Color.fromRGBO(0, 255, 0, 1),
+    );

packages/altive_lints/example/test/avoid_hardcoded_color.dart

@@ -0,0 +1,27 @@
+// Check the `avoid_hardcoded_color` rule.
+//
+// It should exclude warnings for the entire `test` directory.
+
+import 'package:flutter/material.dart';
+
+class MyWidget extends StatelessWidget {
+  const MyWidget({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      children: [
+        const ColoredBox(color: Color(0xFF00FF00)),
+        const ColoredBox(color: Color.fromRGBO(0, 255, 0, 1)),
+        const ColoredBox(color: Colors.green),
+        ColoredBox(color: Theme.of(context).colorScheme.primary),
+        ColoredBox(color: _colorScheme.primary),
+        const ColoredBox(color: Colors.transparent),
+      ],
+    );
+  }
+}
+
+ColorScheme get _colorScheme => const ColorScheme.dark(
+      primary: Color.fromRGBO(0, 255, 0, 1),
+    );