[flutter_tools] Handle empty gzip file on Windows (#54679)

* [flutter_tools] Handle empty gzip file on Windows

* Update packages/flutter_tools/test/general.shard/base/os_test.dart
Co-Authored-By: Jonah Williams <jonahwilliams@google.com>

* Update packages/flutter_tools/test/general.shard/base/os_test.dart
Co-Authored-By: Jonah Williams <jonahwilliams@google.com>

* Update packages/flutter_tools/test/general.shard/base/os_test.dart
Co-Authored-By: Jonah Williams <jonahwilliams@google.com>
Co-authored-by: Jonah Williams <jonahwilliams@google.com>

packages/flutter_tools/lib/src/base/os.dart

@@ -362,6 +362,8 @@ class _WindowsUtils extends OperatingSystemUtils {
       return false;
     } on ArchiveException catch (_) {
       return false;
+    } on RangeError catch (_) {
+      return false;
     }
     return true;
   }

packages/flutter_tools/test/general.shard/base/os_test.dart

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+import 'dart:typed_data';
+
 import 'package:file/file.dart';
 import 'package:file/memory.dart';
 import 'package:flutter_tools/src/base/io.dart';
@@ -87,9 +89,64 @@ void main() {
     });
   });
 
+  group('gzip on Windows:', () {
+    testWithoutContext('verifyGzip returns false on a FileSystemException', () {
+      final MockFileSystem fileSystem = MockFileSystem();
+      final MockFile mockFile = MockFile();
+      when(fileSystem.file(any)).thenReturn(mockFile);
+      when(mockFile.readAsBytesSync()).thenThrow(
+        const FileSystemException('error'),
+      );
+      final OperatingSystemUtils osUtils = OperatingSystemUtils(
+        fileSystem: fileSystem,
+        logger: BufferLogger.test(),
+        platform: FakePlatform(operatingSystem: 'windows'),
+        processManager: mockProcessManager,
+      );
+
+      expect(osUtils.verifyGzip(mockFile), isFalse);
+    });
+
+    testWithoutContext('verifyGzip returns false on an ArchiveException', () {
+      final MockFileSystem fileSystem = MockFileSystem();
+      final MockFile mockFile = MockFile();
+      when(fileSystem.file(any)).thenReturn(mockFile);
+      when(mockFile.readAsBytesSync()).thenReturn(Uint8List.fromList(<int>[
+        // Anything other than the magic header: 0x1f, 0x8b.
+        0x01,
+        0x02,
+      ]));
+      final OperatingSystemUtils osUtils = OperatingSystemUtils(
+        fileSystem: fileSystem,
+        logger: BufferLogger.test(),
+        platform: FakePlatform(operatingSystem: 'windows'),
+        processManager: mockProcessManager,
+      );
+
+      expect(osUtils.verifyGzip(mockFile), isFalse);
+    });
+
+    testWithoutContext('verifyGzip returns false on an empty file', () {
+      final MockFileSystem fileSystem = MockFileSystem();
+      final MockFile mockFile = MockFile();
+      when(fileSystem.file(any)).thenReturn(mockFile);
+      when(mockFile.readAsBytesSync()).thenReturn(Uint8List(0));
+      final OperatingSystemUtils osUtils = OperatingSystemUtils(
+        fileSystem: fileSystem,
+        logger: BufferLogger.test(),
+        platform: FakePlatform(operatingSystem: 'windows'),
+        processManager: mockProcessManager,
+      );
+
+      expect(osUtils.verifyGzip(mockFile), isFalse);
+    });
+  });
+
   testWithoutContext('stream compression level', () {
     expect(OperatingSystemUtils.gzipLevel1.level, equals(1));
   });
 }
 
 class MockProcessManager extends Mock implements ProcessManager {}
+class MockFileSystem extends Mock implements FileSystem {}
+class MockFile extends Mock implements File {}