public static void NullableCustomValueTypeUsingAttributes()
{
{
TestStructClass myStructClass = JsonSerializer.Deserialize <TestStructClass>(@"{""MyStruct"":null}");
Assert.False(myStructClass.MyStruct.HasValue);
}
{
TestStructClass myStructClass = JsonSerializer.Deserialize <TestStructClass>(@"{""MyStruct"":1}");
Assert.True(myStructClass.MyStruct.HasValue);
Assert.Equal(1, myStructClass.MyStruct.Value.InnerValue);
}
}
public static void NullableCustomValueTypeChoosesAttributeOverOptions()
{
var options = new JsonSerializerOptions();
options.Converters.Add(new JsonTestStructThrowingConverter());
// Chooses JsonTestStructThrowingConverter on options, which will throw.
Assert.Throws <NotSupportedException>(() => JsonSerializer.Deserialize <TestStruct?>("1", options));
// Chooses JsonTestStructConverter on attribute, which will not throw.
TestStructClass myStructClass = JsonSerializer.Deserialize <TestStructClass>(@"{""MyStruct"":null}", options);
Assert.False(myStructClass.MyStruct.HasValue);
}