public async Task RoundTripAsync()
{
byte[] buffer;
using (TestStream stream = new TestStream(1))
{
await WriteAsync(stream);
// Make a copy
buffer = stream.ToArray();
}
using (TestStream stream = new TestStream(buffer))
{
await ReadAsync(stream);
}
}
private async Task ReadAsync(TestStream stream)
{
JsonSerializerOptions options = new JsonSerializerOptions
{
// Will likely default to 4K due to buffer pooling.
DefaultBufferSize = 1
};
LargeDataTestClass obj = await Serializer.DeserializeWrapper <LargeDataTestClass>(stream, options);
// Must be changed if the test classes change; may be > since last read may not have filled buffer.
Assert.InRange(stream.TestRequestedReadBytesCount, 551368, int.MaxValue);
// We should have more than one read called due to the large byte count.
Assert.InRange(stream.TestReadCount, 1, int.MaxValue);
// We don't auto-flush.
Assert.Equal(0, stream.TestFlushCount);
obj.Verify();
}
private static async Task ReadAsync(TestStream stream)
{
JsonSerializerOptions options = new JsonSerializerOptions
{
// Will likely default to 4K due to buffer pooling.
DefaultBufferSize = 1
};
LargeDataTestClass obj = await JsonSerializer.ReadAsync <LargeDataTestClass>(stream, options);
// Must be changed if the test classes change; may be > since last read may not have filled buffer.
Assert.True(stream.TestRequestedReadBytesCount >= 551368);
// We should have more than one read called due to the large byte count.
Assert.True(stream.TestReadCount > 0);
// We don't auto-flush.
Assert.True(stream.TestFlushCount == 0);
obj.Verify();
}