public void FailSideCastAfterContinueWith()
{
Assert.Throws <InvalidCastException>(() =>
{
// GeneratorTestDerivedGrain1Reference extends GeneratorTestGrainReference
// GeneratorTestDerivedGrain2Reference extends GeneratorTestGrainReference
try
{
IGeneratorTestDerivedGrain1 grain = GrainClient.GrainFactory.GetGrain <IGeneratorTestDerivedGrain1>(GetRandomGrainId());
IGeneratorTestDerivedGrain2 cast = null;
Task <bool> av = grain.StringIsNullOrEmpty();
Task <bool> av2 = av.ContinueWith((Task <bool> t) => Assert.True(t.Result)).ContinueWith((_AppDomain) =>
{
cast = grain.AsReference <IGeneratorTestDerivedGrain2>();
}).ContinueWith((_) => cast.StringConcat("a", "b", "c")).ContinueWith((_) => cast.StringIsNullOrEmpty().Result);
Assert.False(av2.Result);
}
catch (AggregateException ae)
{
Exception ex = ae.InnerException;
while (ex is AggregateException)
{
ex = ex.InnerException;
}
throw ex;
}
Assert.True(false, "Exception should have been raised");
});
}
public async Task GeneratorDerivedGrain1ControlFlow()
{
IGeneratorTestDerivedGrain1 grain = this.GrainFactory.GetGrain <IGeneratorTestDerivedGrain1>(GetRandomGrainId());
bool isNull = await grain.StringIsNullOrEmpty();
Assert.True(isNull);
await grain.StringSet("Begin");
isNull = await grain.StringIsNullOrEmpty();
Assert.False(isNull);
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);
}
public void FailSideCastAfterResolve()
{
// GeneratorTestDerivedGrain1Reference extends GeneratorTestGrainReference
// GeneratorTestDerivedGrain2Reference extends GeneratorTestGrainReference
try
{
IGeneratorTestDerivedGrain1 grain = GrainClient.GrainFactory.GetGrain <IGeneratorTestDerivedGrain1>(GetRandomGrainId());
Assert.IsTrue(grain.StringIsNullOrEmpty().Result);
// Fails the next line as grain reference is already resolved
IGeneratorTestDerivedGrain2 cast = grain.AsReference <IGeneratorTestDerivedGrain2>();
Task <string> av = cast.StringConcat("a", "b", "c");
av.Wait();
Assert.IsFalse(cast.StringIsNullOrEmpty().Result); // Not reached
}
catch (AggregateException ae)
{
Exception ex = ae.InnerException;
while (ex is AggregateException)
{
ex = ex.InnerException;
}
throw ex;
}
Assert.Fail("Exception should have been raised");
}
public async Task FailOperationAfterSideCast()
{
// GeneratorTestDerivedGrain1Reference extends GeneratorTestGrainReference
// GeneratorTestDerivedGrain2Reference extends GeneratorTestGrainReference
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
await Assert.ThrowsAsync <InvalidCastException>(() => cast.StringConcat("a", "b", "c"));
}
public async Task FailSideCastAfterResolve()
{
// GeneratorTestDerivedGrain1Reference extends GeneratorTestGrainReference
// GeneratorTestDerivedGrain2Reference extends GeneratorTestGrainReference
IGeneratorTestDerivedGrain1 grain = GrainClient.GrainFactory.GetGrain <IGeneratorTestDerivedGrain1>(GetRandomGrainId());
Assert.True(grain.StringIsNullOrEmpty().Result);
// Fails the next line as grain reference is already resolved
IGeneratorTestDerivedGrain2 cast = grain.AsReference <IGeneratorTestDerivedGrain2>();
await Assert.ThrowsAsync <InvalidCastException>(() => cast.StringConcat("a", "b", "c"));
}
public void CastCallMethodInheritedFromBaseClass()
{
// GeneratorTestDerivedGrain1Reference derives from GeneratorTestGrainReference
// GeneratorTestDerivedGrain2Reference derives from GeneratorTestGrainReference
// GeneratorTestDerivedDerivedGrainReference derives from GeneratorTestDerivedGrain2Reference
Task <bool> isNullStr;
IGeneratorTestDerivedGrain1 grain = GrainClient.GrainFactory.GetGrain <IGeneratorTestDerivedGrain1>(GetRandomGrainId());
isNullStr = grain.StringIsNullOrEmpty();
Assert.True(isNullStr.Result, "Value should be null initially");
isNullStr = grain.StringSet("a").ContinueWith((_) => grain.StringIsNullOrEmpty()).Unwrap();
Assert.False(isNullStr.Result, "Value should not be null after SetString(a)");
isNullStr = grain.StringSet(null).ContinueWith((_) => grain.StringIsNullOrEmpty()).Unwrap();
Assert.True(isNullStr.Result, "Value should be null after SetString(null)");
IGeneratorTestGrain cast = grain.AsReference <IGeneratorTestGrain>();
isNullStr = cast.StringSet("b").ContinueWith((_) => grain.StringIsNullOrEmpty()).Unwrap();
Assert.False(isNullStr.Result, "Value should not be null after cast.SetString(b)");
}
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");
}
