Packets: Add StringParser ostream operation

[senf.git] / PPI / DebugModules.cc

diff --git a/PPI/DebugModules.cc b/PPI/DebugModules.cc
index 409c5ce..2826166 100644 (file)
--- a/PPI/DebugModules.cc
+++ b/PPI/DebugModules.cc
@@ -37,7 +37,9 @@
 
 prefix_ void senf::ppi::module::debug::PassiveSource::request()
 {
-    SENF_ASSERT( ! packets_.empty() );
+    SENF_ASSERT( ! packets_.empty() &&
+                 "senf::ppi::module::debug::PassiveSource::request(): "
+                 "Requesting packet from empty source." );
     output(packets_.front());
     packets_.pop_front();
     if (packets_.empty())