public void ExpandCapacity_should_throw_when_expanded_capacity_exceeds_2GB()
{
RequireProcess.Is64Bit();
using (var subject = new MultiChunkBuffer(BsonChunkPool.Default))
{
subject.EnsureCapacity(int.MaxValue - 128 * 1024 * 1024);
Action action = () => subject.EnsureCapacity(int.MaxValue); // indirectly calls private ExpandCapacity method
action.ShouldThrow <InvalidOperationException>();
}
}
public void TestLargeDocumentDeserialization()
{
RequireProcess.Is64Bit();
var bsonDocument = new BsonDocument {
{ "stringfield", "A" }
};
var noOfDoubleFields = 200000;
for (var i = 0; i < noOfDoubleFields; i++)
{
bsonDocument.Add("doublefield_" + i, i * 1.0);
}
var bson = bsonDocument.ToBson();
using (var lazyBsonDocument = BsonSerializer.Deserialize <LazyBsonDocument>(bson))
{
Assert.Equal(noOfDoubleFields + 1, lazyBsonDocument.ElementCount);
}
}
public void BackpatchSize_should_throw_when_size_is_larger_than_2GB()
{
RequireProcess.Is64Bit();
using (var stream = new NullBsonStream())
using (var binaryWriter = new BsonBinaryWriter(stream))
{
var bytes = new byte[int.MaxValue / 2]; // 1GB
var binaryData = new BsonBinaryData(bytes);
binaryWriter.WriteStartDocument();
binaryWriter.WriteName("array");
binaryWriter.WriteStartArray();
binaryWriter.WriteBinaryData(binaryData);
binaryWriter.WriteBinaryData(binaryData);
Action action = () => binaryWriter.WriteEndArray(); // indirectly calls private BackpatchSize method
action.ShouldThrow <FormatException>();
}
}
public void BsonBinaryWriter_should_support_writing_more_than_2GB()
{
RequireProcess.Is64Bit();
using (var stream = new NullBsonStream())
using (var binaryWriter = new BsonBinaryWriter(stream))
{
var bigBinaryData = new BsonBinaryData(new byte[int.MaxValue / 2 - 1000]);
for (var i = 0; i < 3; i++)
{
binaryWriter.WriteStartDocument();
binaryWriter.WriteName("x");
binaryWriter.WriteBinaryData(bigBinaryData);
binaryWriter.WriteEndDocument();
}
var smallBinaryData = new BsonBinaryData(new byte[2000]);
binaryWriter.WriteStartDocument();
binaryWriter.WriteName("x");
binaryWriter.WriteBinaryData(smallBinaryData);
binaryWriter.WriteEndDocument();
}
}