GitSharp.Core.Tests.Util.MockSystemReader.getTimezone C# (CSharp) Method

        public override int getTimezone(long when)
        {
            TimeZoneInfo newFoundLandTimeZoneInfo = null;
            var expectedOffset = new TimeSpan(-3, -30, 0);
            foreach (TimeZoneInfo timeZoneInfo in TimeZoneInfo.GetSystemTimeZones())
            {
                if (timeZoneInfo.BaseUtcOffset != expectedOffset)
                {
                    continue;
                }

                newFoundLandTimeZoneInfo = timeZoneInfo;
                break;
            }

            if (newFoundLandTimeZoneInfo == null)
            {
                Assert.Fail("No -03:30 TimeZone has been found");
            }

            return (int)newFoundLandTimeZoneInfo.GetUtcOffset(when.MillisToDateTime()).TotalMinutes;
        }

        public virtual void setUp(){
            recursiveDelete(testName() + " (SetUp)", trash, false, true);

            mockSystemReader = new MockSystemReader();
            mockSystemReader.userGitConfig = new FileBasedConfig(new FileInfo(Path.Combine(trash.FullName, "usergitconfig")));
            SystemReader.setInstance(mockSystemReader);

            long now = mockSystemReader.getCurrentTime();
            int tz = mockSystemReader.getTimezone(now);
            author = new PersonIdent("J. Author", "*****@*****.**");
            author = new PersonIdent(author, now, tz);

            committer = new PersonIdent("J. Committer", "*****@*****.**");
            committer = new PersonIdent(committer, now, tz);

            WindowCacheConfig c = new WindowCacheConfig();
            c.PackedGitLimit = (128 * WindowCacheConfig.Kb);
            c.PackedGitWindowSize = (8 * WindowCacheConfig.Kb);
            c.PackedGitMMAP = (useMMAP);
            c.DeltaBaseCacheLimit = (8 * WindowCacheConfig.Kb);
            WindowCache.reconfigure(c);
        }