public void ContractCollection_XmlRoundTrip()
{
var before = new ContractCollection();
before.GetOrAddReadContract(typeof(Person));
before.GetOrAddWriteContract(typeof(Person));
before.GetOrAddReadContract(typeof(Wrapper <Person>));
before.GetOrAddReadContract(typeof(EnumAbc));
before.GetOrAddWriteContract(typeof(EnumAbc));
before.GetOrAddReadContract(typeof(Wrapper <EnumAbc>));
before.GetOrAddReadContract(typeof(Union <int, string, Person, EnumAbcd>));
before.GetOrAddWriteContract(typeof(Union <int, string, Person, EnumAbcd>));
Assert.Equal(8, before.Contracts.OfType <ByRefContract>().Count());
before.UpdateByRefIds();
var xml = before.ToXml();
const string expectedXml = @"<Contracts>
<ComplexRead Id=""Contract1"">
<Field Name=""age"" Contract=""Int32"" IsRequired=""true"" />
<Field Name=""name"" Contract=""String"" IsRequired=""true"" />
</ComplexRead>
<ComplexWrite Id=""Contract2"">
<Field Name=""Age"" Contract=""Int32"" />
<Field Name=""Name"" Contract=""String"" />
</ComplexWrite>
<ComplexRead Id=""Contract3"">
<Field Name=""value"" Contract=""#Contract1"" IsRequired=""true"" />
</ComplexRead>
<Enum Id=""Contract4"">
<Member Name=""A"" />
<Member Name=""B"" />
<Member Name=""C"" />
</Enum>
<ComplexRead Id=""Contract5"">
<Field Name=""value"" Contract=""#Contract4"" IsRequired=""true"" />
</ComplexRead>
<Enum Id=""Contract6"">
<Member Name=""A"" />
<Member Name=""B"" />
<Member Name=""C"" />
<Member Name=""D"" />
</Enum>
<UnionRead Id=""Contract7"">
<Member Id=""Dasher.Tests.EnumAbcd"" Contract=""#Contract6"" />
<Member Id=""Dasher.Tests.Person"" Contract=""#Contract1"" />
<Member Id=""Int32"" Contract=""Int32"" />
<Member Id=""String"" Contract=""String"" />
</UnionRead>
<UnionWrite Id=""Contract8"">
<Member Id=""Dasher.Tests.EnumAbcd"" Contract=""#Contract6"" />
<Member Id=""Dasher.Tests.Person"" Contract=""#Contract2"" />
<Member Id=""Int32"" Contract=""Int32"" />
<Member Id=""String"" Contract=""String"" />
</UnionWrite>
</Contracts>";
var actualXml = xml.ToString();
_output.WriteLine(actualXml);
Assert.Equal(expectedXml, actualXml, new SelectiveStringComparer());
Assert.Equal(8, xml.Elements().Count());
var after = ContractCollection.FromXml(xml);
Assert.True(new HashSet <Contract>(before.Contracts).SetEquals(new HashSet <Contract>(after.Contracts)));
Assert.Equal(before.Contracts.Count, after.Contracts.Count);
foreach (var b in before.Contracts)
{
Assert.Equal(1, after.Contracts.Count(s => s.Equals(b)));
}
foreach (var a in after.Contracts)
{
Assert.Equal(1, before.Contracts.Count(s => s.Equals(a)));
}
}
