public async Task Test_ExtractionHonorsFileTimestamp()
        {
            // Arrange
            var packageIdentity   = new PackageIdentity("packageA", new NuGetVersion("2.0.3"));
            var entryModifiedTime = new DateTimeOffset(1985, 11, 20, 12, 0, 0, TimeSpan.FromHours(-7.0)).DateTime;

            using (var packagesDirectory = TestDirectory.Create())
            {
                var pathResolver    = new VersionFolderPathResolver(packagesDirectory);
                var packageFileInfo = await TestPackagesCore.GeneratePackageAsync(
                    packagesDirectory,
                    packageIdentity.Id,
                    packageIdentity.Version.ToNormalizedString(),
                    entryModifiedTime,
                    "lib/net45/A.dll");

                var packageExtractionContext = new PackageExtractionContext(
                    packageSaveMode: PackageSaveMode.Defaultv3,
                    xmlDocFileSaveMode: XmlDocFileSaveMode.None,
                    logger: NullLogger.Instance,
                    signedPackageVerifier: null,
                    signedPackageVerifierSettings: null);

                var versionFolderPathResolver = new VersionFolderPathResolver(packagesDirectory);

                // Act
                using (var packageDownloader = new LocalPackageArchiveDownloader(
                           null,
                           packageFileInfo.FullName,
                           packageIdentity,
                           NullLogger.Instance))
                {
                    await PackageExtractor.InstallFromSourceAsync(
                        packageIdentity,
                        packageDownloader,
                        versionFolderPathResolver,
                        packageExtractionContext,
                        CancellationToken.None);
                }

                // Assert
                var packageVersionDirectory = pathResolver.GetInstallPath(packageIdentity.Id, packageIdentity.Version);
                AssertDirectoryExists(packageVersionDirectory);

                var dllPath     = Path.Combine(packageVersionDirectory, "lib", "net45", "A.dll");
                var dllFileInfo = new FileInfo(dllPath);
                AssertFileExists(dllFileInfo.FullName);
                Assert.Equal(entryModifiedTime, dllFileInfo.LastWriteTime);
            }
        }