test: log: log_process: Log an error when failing due to incorrect message

One of the error paths in the test returns without logging a message,
which makes failures difficult to debug. Fix it by adding an error
message.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/test/log/log_process.cpp b/test/log/log_process.cpp
index 966b80cf..17af7d74 100644
--- a/test/log/log_process.cpp
+++ b/test/log/log_process.cpp
@@ -115,8 +115,11 @@ protected:
 		close(fd);
 
 		string str(buf);
-		if (str.find(message) == string::npos)
+		if (str.find(message) == string::npos) {
+			cerr << "Received message is not correct (received "
+			     << str.length() << " bytes)" << endl;
 			return TestFail;
+		}
 
 		return TestPass;
 	}