System.Data.Tests.DataTableTest.TestWriteXmlSchema2 C# (CSharp) Метод

        public void TestWriteXmlSchema2()
        {
            DataTable dt = new DataTable("TestWriteXmlSchema");
            dt.Columns.Add("Col1", typeof(int));
            dt.Columns.Add("Col2", typeof(int));
            DataRow dr = dt.NewRow();
            dr[0] = 10;
            dr[1] = 20;
            dt.Rows.Add(dr);
            DataTable dt1 = new DataTable("HelloWorld");
            dt1.Columns.Add("T1", typeof(int));
            dt1.Columns.Add("T2", typeof(int));
            DataRow dr1 = dt1.NewRow();
            dr1[0] = 10;
            dr1[1] = 20;
            dt1.Rows.Add(dr1);
            var ds = new DataSet();
            ds.Tables.Add(dt);
            ds.Tables.Add(dt1);
            DataRelation rel = new DataRelation("Relation1", dt.Columns["Col1"], dt1.Columns["T1"]);
            ds.Relations.Add(rel);
            TextWriter writer = new StringWriter();
            dt.WriteXmlSchema(writer);
            string TextString = writer.ToString();
            string substring = TextString.Substring(0, TextString.IndexOfAny(new[] { '\r', '\n' }));
            TextString = TextString.Substring(TextString.IndexOf('\n') + 1);
            Assert.Equal("<?xml version=\"1.0\" encoding=\"utf-16\"?>", substring);

            substring = TextString.Substring(0, TextString.IndexOfAny(new[] { '\r', '\n' }));
            TextString = TextString.Substring(TextString.IndexOf('\n') + 1);
            Assert.Equal("<xs:schema id=\"NewDataSet\" xmlns=\"\" xmlns:xs=\"http://www.w3.org/2001/XMLSchema\" xmlns:msdata=\"urn:schemas-microsoft-com:xml-msdata\">", substring);
            substring = TextString.Substring(0, TextString.IndexOfAny(new[] { '\r', '\n' }));
            TextString = TextString.Substring(TextString.IndexOf('\n') + 1);
            Assert.Equal("  <xs:element name=\"NewDataSet\" msdata:IsDataSet=\"true\" msdata:MainDataTable=\"TestWriteXmlSchema\" msdata:UseCurrentLocale=\"true\">", substring);
            substring = TextString.Substring(0, TextString.IndexOfAny(new[] { '\r', '\n' }));
            TextString = TextString.Substring(TextString.IndexOf('\n') + 1);
            Assert.Equal("    <xs:complexType>", substring);

            substring = TextString.Substring(0, TextString.IndexOfAny(new[] { '\r', '\n' }));
            TextString = TextString.Substring(TextString.IndexOf('\n') + 1);
            Assert.Equal("      <xs:choice minOccurs=\"0\" maxOccurs=\"unbounded\">", substring);

            substring = TextString.Substring(0, TextString.IndexOfAny(new[] { '\r', '\n' }));
            TextString = TextString.Substring(TextString.IndexOf('\n') + 1);
            Assert.Equal("        <xs:element name=\"TestWriteXmlSchema\">", substring);

            substring = TextString.Substring(0, TextString.IndexOfAny(new[] { '\r', '\n' }));
            TextString = TextString.Substring(TextString.IndexOf('\n') + 1);
            Assert.Equal("          <xs:complexType>", substring);

            substring = TextString.Substring(0, TextString.IndexOfAny(new[] { '\r', '\n' }));
            TextString = TextString.Substring(TextString.IndexOf('\n') + 1);
            Assert.Equal("            <xs:sequence>", substring);

            substring = TextString.Substring(0, TextString.IndexOfAny(new[] { '\r', '\n' }));
            TextString = TextString.Substring(TextString.IndexOf('\n') + 1);
            Assert.Equal("              <xs:element name=\"Col1\" type=\"xs:int\" minOccurs=\"0\" />", substring);

            substring = TextString.Substring(0, TextString.IndexOfAny(new[] { '\r', '\n' }));
            TextString = TextString.Substring(TextString.IndexOf('\n') + 1);
            Assert.Equal("              <xs:element name=\"Col2\" type=\"xs:int\" minOccurs=\"0\" />", substring);

            substring = TextString.Substring(0, TextString.IndexOfAny(new[] { '\r', '\n' }));
            TextString = TextString.Substring(TextString.IndexOf('\n') + 1);
            Assert.Equal("            </xs:sequence>", substring);

            substring = TextString.Substring(0, TextString.IndexOfAny(new[] { '\r', '\n' }));
            TextString = TextString.Substring(TextString.IndexOf('\n') + 1);
            Assert.Equal("          </xs:complexType>", substring);

            substring = TextString.Substring(0, TextString.IndexOfAny(new[] { '\r', '\n' }));
            TextString = TextString.Substring(TextString.IndexOf('\n') + 1);
            Assert.Equal("        </xs:element>", substring);

            substring = TextString.Substring(0, TextString.IndexOfAny(new[] { '\r', '\n' }));
            TextString = TextString.Substring(TextString.IndexOf('\n') + 1);
            Assert.Equal("      </xs:choice>", substring);

            substring = TextString.Substring(0, TextString.IndexOfAny(new[] { '\r', '\n' }));
            TextString = TextString.Substring(TextString.IndexOf('\n') + 1);
            Assert.Equal("    </xs:complexType>", substring);

            substring = TextString.Substring(0, TextString.IndexOfAny(new[] { '\r', '\n' }));
            TextString = TextString.Substring(TextString.IndexOf('\n') + 1);
            Assert.Equal("    <xs:unique name=\"Constraint1\">", substring);

            substring = TextString.Substring(0, TextString.IndexOfAny(new[] { '\r', '\n' }));
            TextString = TextString.Substring(TextString.IndexOf('\n') + 1);
            Assert.Equal("      <xs:selector xpath=\".//TestWriteXmlSchema\" />", substring);

            substring = TextString.Substring(0, TextString.IndexOfAny(new[] { '\r', '\n' }));
            TextString = TextString.Substring(TextString.IndexOf('\n') + 1);
            Assert.Equal("      <xs:field xpath=\"Col1\" />", substring);

            substring = TextString.Substring(0, TextString.IndexOfAny(new[] { '\r', '\n' }));
            TextString = TextString.Substring(TextString.IndexOf('\n') + 1);
            Assert.Equal("    </xs:unique>", substring);

            substring = TextString.Substring(0, TextString.IndexOfAny(new[] { '\r', '\n' }));
            TextString = TextString.Substring(TextString.IndexOf('\n') + 1);
            Assert.Equal("  </xs:element>", substring);
            Assert.Equal("</xs:schema>", TextString);
        }