System.Threading.Tests.ReaderWriterLockTests.TestReaderWriterLock.RestoreLock C# (CSharp) Method

            public void RestoreLock(TestLockCookie tlc, int expectedFailureHResult = 0)
            {
                Assert.NotNull(tlc);
                Assert.NotEqual(TimeoutExceptionHResult, expectedFailureHResult);

                PerformLockAction(
                    expectedFailureHResult,
                    true /* isBlockingOperation */,
                    () => _rwl.RestoreLock(ref tlc._lockCookie),
                    () =>
                    {
                        Assert.Equal(0, ThreadReaderLevel);
                        Assert.Equal(InvalidThreadID, _writerThreadID);
                        Assert.Equal(0, _writerLevel);
                        ThreadReaderLevel = tlc._readerLevel;
                        _writerLevel = tlc._writerLevel;
                        if (_writerLevel != 0)
                        {
                            Assert.Equal(InvalidThreadID, _writerThreadID);
                            _writerThreadID = Environment.CurrentManagedThreadId;
                            ++_writerSeqNum;
                        }
                    });
            }