public async Task PropertyCacheWithMinInputsFirst()
{
// Use local options to avoid obtaining already cached metadata from the default options.
var options = new JsonSerializerOptions();
string json = "{}";
await Serializer.DeserializeWrapper <ObjWCtorMixedParams>(json, options);
ObjWCtorMixedParams testObj = ObjWCtorMixedParams.GetInstance();
testObj.Verify();
json = await Serializer.SerializeWrapper(testObj, options);
testObj = await Serializer.DeserializeWrapper <ObjWCtorMixedParams>(json, options);
testObj.Verify();
}
public async Task MultipleThreads()
{
// Verify the test class has >32 properties since that is a threshold for using the fallback dictionary.
Assert.True(typeof(ObjWCtorMixedParams).GetProperties(BindingFlags.Instance | BindingFlags.Public).Length > 32);
async Task DeserializeObjectAsync(string json, Type type, JsonSerializerOptions options)
{
var obj = await Serializer.DeserializeWrapper(json, type, options);
((ITestClassWithParameterizedCtor)obj).Verify();
}
async Task DeserializeObjectMinimalAsync(Type type, JsonSerializerOptions options)
{
string json = (string)type.GetProperty("s_json_minimal").GetValue(null);
var obj = await Serializer.DeserializeWrapper(json, type, options);
((ITestClassWithParameterizedCtor)obj).VerifyMinimal();
};
async Task DeserializeObjectFlippedAsync(Type type, JsonSerializerOptions options)
{
string json = (string)type.GetProperty("s_json_flipped").GetValue(null);
await DeserializeObjectAsync(json, type, options);
};
async Task DeserializeObjectNormalAsync(Type type, JsonSerializerOptions options)
{
string json = (string)type.GetProperty("s_json").GetValue(null);
await DeserializeObjectAsync(json, type, options);
};
async Task SerializeObject(Type type, JsonSerializerOptions options)
{
var obj = ObjWCtorMixedParams.GetInstance();
await Serializer.SerializeWrapper(obj, options);
};
async Task RunTestAsync(Type type)
{
// Use local options to avoid obtaining already cached metadata from the default options.
var options = new JsonSerializerOptions();
const int ThreadCount = 8;
const int ConcurrentTestsCount = 4;
Task[] tasks = new Task[ThreadCount * ConcurrentTestsCount];
for (int i = 0; i < tasks.Length; i += ConcurrentTestsCount)
{
// Create race condition to populate the sorted property cache with different json ordering.
tasks[i + 0] = Task.Run(() => DeserializeObjectMinimalAsync(type, options));
tasks[i + 1] = Task.Run(() => DeserializeObjectFlippedAsync(type, options));
tasks[i + 2] = Task.Run(() => DeserializeObjectNormalAsync(type, options));
// Ensure no exceptions on serialization
tasks[i + 3] = Task.Run(() => SerializeObject(type, options));
}
;
await Task.WhenAll(tasks);
}
await RunTestAsync(typeof(ObjWCtorMixedParams));
await RunTestAsync(typeof(Person_Class));
await RunTestAsync(typeof(Parameterized_Class_With_ComplexTuple));
}
