public void Can_extract_toc()
        {
            var content = new StringBuilder();

            content.AppendLine("# Test1");
            content.AppendLine("sdfsdf");
            content.AppendLine("## Test2");
            content.AppendLine("sdfsdf");
            content.AppendLine("### Test3");
            content.AppendLine("sdfsdf");
            content.AppendLine("#### Test4");
            content.AppendLine("sdfsdf");
            content.AppendLine("##### Test5");
            content.AppendLine("sdfsdf");
            content.AppendLine("## Test6");
            content.AppendLine("sdfsdf");
            content.AppendLine("# Test*7*");
            content.AppendLine("sdfsdf");

            var toc = _markdownRenderer.ExtractTocEntries(content.ToString());

            Assert.Equal(7, toc.Count);
            Assert.Equal("Test1", toc[0].Title);
            Assert.Equal("test1", toc[0].Id);
            Assert.Equal(1, toc[0].Level);
            Assert.Equal("Test2", toc[1].Title);
            Assert.Equal(2, toc[1].Level);
            Assert.Equal("Test3", toc[2].Title);
            Assert.Equal(3, toc[2].Level);
            Assert.Equal("Test4", toc[3].Title);
            Assert.Equal(4, toc[3].Level);
            Assert.Equal("Test5", toc[4].Title);
            Assert.Equal(5, toc[4].Level);
            Assert.Equal("Test6", toc[5].Title);
            Assert.Equal(2, toc[5].Level);
            Assert.Equal("Test7", toc[6].Title);
            Assert.Equal("test7", toc[6].Id);
            Assert.Equal(1, toc[6].Level);
        }