public void TestParseMessagesCloseTo2G()
{
byte[] serializedMessage = GenerateBigSerializedMessage();
// How many of these big messages do we need to take us near our 2GB limit?
int count = int.MaxValue / serializedMessage.Length;
// Now make a MemoryStream that will fake a near-2GB stream of messages by returning
// our big serialized message 'count' times.
using var stream = new RepeatingMemoryStream(serializedMessage, count);
Assert.DoesNotThrow(() => TestAllTypes.Parser.ParseFrom(stream));
}
public void TestParseMessagesOver2G()
{
byte[] serializedMessage = GenerateBigSerializedMessage();
// How many of these big messages do we need to take us near our 2GB limit?
int count = int.MaxValue / serializedMessage.Length;
// Now add one to take us over the 2GB limit
count++;
// Now make a MemoryStream that will fake a near-2GB stream of messages by returning
// our big serialized message 'count' times.
using var stream = new RepeatingMemoryStream(serializedMessage, count);
Assert.Throws <InvalidProtocolBufferException>(() => TestAllTypes.Parser.ParseFrom(stream),
"Protocol message was too large. May be malicious. " +
"Use CodedInputStream.SetSizeLimit() to increase the size limit.");
}