System.Net.Http.Tests.HttpContentHeadersTest.Expires_ReadAndWriteProperty_ValueMatchesPriorSetValue C# (CSharp) Метод

        public void Expires_ReadAndWriteProperty_ValueMatchesPriorSetValue()
        {
            Assert.Null(_headers.Expires);

            DateTimeOffset expected = DateTimeOffset.Now;
            _headers.Expires = expected;
            Assert.Equal(expected, _headers.Expires);

            _headers.Expires = null;
            Assert.Null(_headers.Expires);
            Assert.False(_headers.Contains("Expires"));
        }