--- a/UnitTestsSources/UnitTestsMain.cpp	Mon Apr 29 17:24:30 2019 +0200
+++ b/UnitTestsSources/UnitTestsMain.cpp	Thu May 02 09:22:36 2019 +0200
@@ -39,6 +39,7 @@
 #include <ctype.h>
 
 #include "../Core/DicomFormat/DicomTag.h"
+#include "../Core/FileBuffer.h"
 #include "../Core/HttpServer/HttpToolbox.h"
 #include "../Core/Logging.h"
 #include "../Core/MetricsRegistry.h"
@@ -679,6 +680,21 @@
 }
 
 
+TEST(Toolbox, FileBuffer)
+{
+  FileBuffer f;
+  f.Append("a", 1);
+  f.Append("", 0);
+  f.Append("bc", 2);
+
+  std::string s;
+  f.Read(s);
+  ASSERT_EQ("abc", s);
+
+  ASSERT_THROW(f.Append("d", 1), OrthancException);  // File is closed
+}
+
+
 TEST(Toolbox, Wildcard)
 {
   ASSERT_EQ("abcd", Toolbox::WildcardToRegularExpression("abcd"));