public async Task GeneratorDerivedGrain2ControlFlow()
{
var grainName = typeof(GeneratorTestDerivedGrain2).FullName;
IGeneratorTestDerivedGrain2 grain = GrainClient.GrainFactory.GetGrain <IGeneratorTestDerivedGrain2>(GetRandomGrainId(), grainName);
bool boolPromise = await grain.StringIsNullOrEmpty();
Assert.True(boolPromise);
await grain.StringSet("Begin");
boolPromise = await grain.StringIsNullOrEmpty();
Assert.False(boolPromise);
MemberVariables members = await grain.GetMemberVariables();
Assert.Equal("Begin", members.stringVar);
ASCIIEncoding encoding = new ASCIIEncoding();
byte[] bytes = encoding.GetBytes("ByteBegin");
string str = "StringBegin";
MemberVariables memberVariables = new MemberVariables(bytes, str, ReturnCode.Fail);
await grain.SetMemberVariables(memberVariables);
members = await grain.GetMemberVariables();
ASCIIEncoding enc = new ASCIIEncoding();
Assert.Equal("ByteBegin", enc.GetString(members.byteArray));
Assert.Equal("StringBegin", members.stringVar);
Assert.Equal(ReturnCode.Fail, members.code);
string strPromise = await grain.StringConcat("Begin", "Cont", "End");
Assert.Equal("BeginContEnd", strPromise);
}
public void FailOperationAfterSideCast()
{
// GeneratorTestDerivedGrain1Reference extends GeneratorTestGrainReference
// GeneratorTestDerivedGrain2Reference extends GeneratorTestGrainReference
try
{
IGeneratorTestDerivedGrain1 grain = GrainClient.GrainFactory.GetGrain <IGeneratorTestDerivedGrain1>(GetRandomGrainId());
// Cast works optimistically when the grain reference is not already resolved
IGeneratorTestDerivedGrain2 cast = grain.AsReference <IGeneratorTestDerivedGrain2>();
// Operation fails when grain reference is completely resolved
Task <string> av = cast.StringConcat("a", "b", "c");
string val = av.Result;
}
catch (AggregateException ae)
{
Exception ex = ae.InnerException;
while (ex is AggregateException)
{
ex = ex.InnerException;
}
throw ex;
}
Assert.Fail("Exception should have been raised");
}