Fixing crash on windows when uFormat() is to long

corelib/test/CMakeLists.txt

@@ -42,6 +42,7 @@ set(corelib_test_sources
 	test_link.cpp                       #Link.h
 	test_optimizer.cpp                  #Optimizer.h
 	test_gps.cpp                        #GPS.h
+	test_parameters.cpp                 #Parameters.h
 	test_imu.cpp                        #IMU.h
 	test_imufilter.cpp                  #IMUFilter.h
 	test_imumotionpredictor.cpp         #ImuMotionPredictor.h

corelib/test/test_parameters.cpp

@@ -0,0 +1,20 @@
+#include <gtest/gtest.h>
+#include <rtabmap/core/Parameters.h>
+
+using rtabmap::Parameters;
+using rtabmap::ParametersMap;
+
+TEST(Parameters, descriptions_are_shorter_than_1024_characters)
+{
+	// Long descriptions don't fit in the GUI's tooltips nor in a ROS parameter listing:
+	// keep them short, the details belong in the documentation. 1024 was also the size
+	// beyond which uFormat(), which formats most of them, aborted on Windows.
+	const ParametersMap & parameters = Parameters::getDefaultParameters();
+	ASSERT_FALSE(parameters.empty());
+	for(ParametersMap::const_iterator iter = parameters.begin(); iter != parameters.end(); ++iter)
+	{
+		const std::string description = Parameters::getDescription(iter->first);
+		EXPECT_LT(description.size(), 1024u) << iter->first << " has a description of "
+				<< description.size() << " characters: shorten it";
+	}
+}