diff --git a/lib/cpp/test/TMemoryBufferTest.cpp b/lib/cpp/test/TMemoryBufferTest.cpp
index 1586609..aa44b16 100644
--- a/lib/cpp/test/TMemoryBufferTest.cpp
+++ b/lib/cpp/test/TMemoryBufferTest.cpp
@@ -117,4 +117,17 @@
   BOOST_CHECK_NO_THROW(buf2.write((const uint8_t*)"bar", 3));
 }
 
+#ifndef _WIN32
+// We can't allocate 1 GB of memory in 32-bit environments.
+BOOST_AUTO_TEST_CASE(test_over_two_gb) {
+  TMemoryBuffer buf;
+  std::vector<uint8_t> small_buff(1);
+  std::vector<uint8_t> one_gb(1073741824);
+
+  buf.write(&small_buff[0], small_buff.size());
+  buf.write(&one_gb[0], one_gb.size());
+  BOOST_CHECK_THROW(buf.write(&one_gb[0], one_gb.size()), TTransportException);
+}
+#endif
+
 BOOST_AUTO_TEST_SUITE_END()