Move use_full_hex_values_for_flutter_colors tests (dart-lang/linter#4527

)

test/rules/all.dart

@@ -154,6 +154,8 @@ import 'unrelated_type_equality_checks_test.dart'
 import 'use_build_context_synchronously_test.dart'
     as use_build_context_synchronously;
 import 'use_enums_test.dart' as use_enums;
+import 'use_full_hex_values_for_flutter_colors_test.dart'
+    as use_full_hex_values_for_flutter_colors;
 import 'use_function_type_syntax_for_parameters_test.dart'
     as use_function_type_syntax_for_parameters;
 import 'use_is_even_rather_than_modulo_test.dart'
@@ -281,6 +283,7 @@ void main() {
   unrelated_type_equality_checks.main();
   use_build_context_synchronously.main();
   use_enums.main();
+  use_full_hex_values_for_flutter_colors.main();
   use_function_type_syntax_for_parameters.main();
   use_is_even_rather_than_modulo.main();
   use_key_in_widget_constructors.main();

test/rules/use_full_hex_values_for_flutter_colors_test.dart

@@ -0,0 +1,109 @@
+// Copyright (c) 2023, the Dart project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:test_reflective_loader/test_reflective_loader.dart';
+
+import '../rule_test_support.dart';
+
+main() {
+  defineReflectiveSuite(() {
+    defineReflectiveTests(UseFullHexValuesForFlutterColorsTest);
+  });
+}
+
+@reflectiveTest
+class UseFullHexValuesForFlutterColorsTest extends LintRuleTest {
+  @override
+  String get lintRule => 'use_full_hex_values_for_flutter_colors';
+
+  test_dynamicArgument() async {
+    await assertNoDiagnostics(r'''
+library dart.ui;
+
+class Color {
+  Color(int v);
+}
+
+void f(dynamic a) {
+  Color(a);
+}
+''');
+  }
+
+  test_eightDigitHex_lower() async {
+    await assertNoDiagnostics(r'''
+library dart.ui;
+
+class Color {
+  Color(int v);
+}
+
+void f() {
+  Color(0x00000000);
+}
+''');
+  }
+
+  test_eightDigitHex_upper() async {
+    await assertNoDiagnostics(r'''
+library dart.ui;
+
+class Color {
+  Color(int v);
+}
+
+void f() {
+  Color(0X00000000);
+}
+''');
+  }
+
+  test_nonHex() async {
+    await assertDiagnostics(r'''
+library dart.ui;
+
+class Color {
+  Color(int v);
+}
+
+void f() {
+  Color(1);
+}
+''', [
+      lint(70, 1),
+    ]);
+  }
+
+  test_sixDigitHex_lower() async {
+    await assertDiagnostics(r'''
+library dart.ui;
+
+class Color {
+  Color(int v);
+}
+
+void f() {
+  Color(0x000000);
+}
+''', [
+      lint(70, 8),
+    ]);
+  }
+
+  test_sixDigitHex_upper() async {
+    await assertDiagnostics(r'''
+library dart.ui;
+
+class Color {
+  Color(int v);
+}
+
+void f() {
+  Color(0X000000);
+}
+''', [
+      lint(70, 8),
+    ]);
+  }
+}