Added asserts and docs about methods that cannot be called if done().

opm/core/utility/SimulatorTimer.cpp

@@ -69,6 +69,7 @@ namespace Opm
     /// Current step length.
     double SimulatorTimer::currentStepLength() const
     {
+	ASSERT(!done());
 	return timesteps_[current_step_];
     }
 
@@ -97,6 +98,7 @@ namespace Opm
     /// Next step.
     SimulatorTimer& SimulatorTimer::operator++()
     {
+	ASSERT(!done());
 	current_time_ += timesteps_[current_step_];
 	++current_step_;
 	return *this;

opm/core/utility/SimulatorTimer.hpp

@@ -51,6 +51,7 @@ namespace Opm
 	int currentStepNum() const;
 
 	/// Current step length.
+	/// Note: if done(), it is an error to call currentStepLength().
 	double currentStepLength() const;
 
 	/// Current time.
@@ -60,6 +61,7 @@ namespace Opm
 	double totalTime() const;
 
 	/// Print a report with current and total time etc.
+	/// Note: if done(), it is an error to call report().
 	void report(std::ostream& os) const;
 
 	/// Next step.