/** 
 * @file llsingleton_test.cpp
 * @date 2011-08-11
 * @brief Unit test for the LLSingleton class
 *
 * $LicenseInfo:firstyear=2011&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2011, Linden Research, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#include "linden_common.h"

#include "lltrace.h"
#include "lltracethreadrecorder.h"
#include "lltracerecording.h"
#include "../test/lltut.h"

namespace LLUnits
{
	// using powers of 2 to allow strict floating point equality
	LL_DECLARE_BASE_UNIT(Ounces, "oz");
	LL_DECLARE_DERIVED_UNIT(TallCup, "", Ounces, / 12);
	LL_DECLARE_DERIVED_UNIT(GrandeCup, "", Ounces, / 16);
	LL_DECLARE_DERIVED_UNIT(VentiCup, "", Ounces, / 20);

	LL_DECLARE_BASE_UNIT(Grams, "g");
	LL_DECLARE_DERIVED_UNIT(Milligrams, "mg", Grams, * 1000);
}

LL_DECLARE_UNIT_TYPEDEFS(LLUnits, Ounces);
LL_DECLARE_UNIT_TYPEDEFS(LLUnits, TallCup);
LL_DECLARE_UNIT_TYPEDEFS(LLUnits, GrandeCup);
LL_DECLARE_UNIT_TYPEDEFS(LLUnits, VentiCup);
LL_DECLARE_UNIT_TYPEDEFS(LLUnits, Grams);
LL_DECLARE_UNIT_TYPEDEFS(LLUnits, Milligrams);


namespace tut
{
	using namespace LLTrace;
	struct trace
	{
		ThreadRecorder mRecorder;
	};

	typedef test_group<trace> trace_t;
	typedef trace_t::object trace_object_t;
	tut::trace_t tut_singleton("LLTrace");

	static CountStatHandle<S32> sCupsOfCoffeeConsumed("coffeeconsumed", "Delicious cup of dark roast.");
	static SampleStatHandle<F32Milligrams> sCaffeineLevelStat("caffeinelevel", "Coffee buzz quotient");
	static EventStatHandle<S32Ounces> sOuncesPerCup("cupsize", "Large, huge, or ginormous");

	static F32 sCaffeineLevel(0.f);
	const F32Milligrams sCaffeinePerOz(18.f);

	void drink_coffee(S32 num_cups, S32Ounces cup_size)
	{
		add(sCupsOfCoffeeConsumed, num_cups);
		for (S32 i = 0; i < num_cups; i++)
		{
			record(sOuncesPerCup, cup_size);
		}

		sCaffeineLevel += F32Ounces(num_cups * cup_size).value() * sCaffeinePerOz.value();
		sample(sCaffeineLevelStat, sCaffeineLevel);
	}

	// basic data collection
	template<> template<>
	void trace_object_t::test<1>()
	{
		sample(sCaffeineLevelStat, sCaffeineLevel);

		Recording all_day;
		Recording at_work;
		Recording after_3pm;

		all_day.start();
		{
			// warm up with one grande cup
			drink_coffee(1, S32TallCup(1));

			// go to work
			at_work.start();
			{
				// drink 3 tall cups, 1 after 3 pm
				drink_coffee(2, S32GrandeCup(1));
				after_3pm.start();
				drink_coffee(1, S32GrandeCup(1));
			}
			at_work.stop();
			drink_coffee(1, S32VentiCup(1));
		}
		after_3pm.stop();
		all_day.stop();

		ensure("count stats are counted when recording is active", 
			at_work.getSum(sCupsOfCoffeeConsumed) == 3 
				&& all_day.getSum(sCupsOfCoffeeConsumed) == 5
				&& after_3pm.getSum(sCupsOfCoffeeConsumed) == 2);
		ensure("measurement sums are counted when recording is active", 
			at_work.getSum(sOuncesPerCup) == S32Ounces(48) 
				&& all_day.getSum(sOuncesPerCup) == S32Ounces(80)
				&& after_3pm.getSum(sOuncesPerCup) == S32Ounces(36));
		ensure("measurement min is specific to when recording is active", 
			at_work.getMin(sOuncesPerCup) == S32GrandeCup(1) 
				&& all_day.getMin(sOuncesPerCup) == S32TallCup(1)
				&& after_3pm.getMin(sOuncesPerCup) == S32GrandeCup(1));
		ensure("measurement max is specific to when recording is active", 
			at_work.getMax(sOuncesPerCup) == S32GrandeCup(1) 
				&& all_day.getMax(sOuncesPerCup) == S32VentiCup(1)
				&& after_3pm.getMax(sOuncesPerCup) == S32VentiCup(1));
		ensure("sample min is specific to when recording is active", 
			at_work.getMin(sCaffeineLevelStat) == sCaffeinePerOz * ((S32Ounces)S32TallCup(1)).value()
				&& all_day.getMin(sCaffeineLevelStat) == F32Milligrams(0.f)
				&& after_3pm.getMin(sCaffeineLevelStat) == sCaffeinePerOz * ((S32Ounces)S32TallCup(1) + (S32Ounces)S32GrandeCup(2)).value());
		ensure("sample max is specific to when recording is active", 
			at_work.getMax(sCaffeineLevelStat) == sCaffeinePerOz * ((S32Ounces)S32TallCup(1) + (S32Ounces)S32GrandeCup(3)).value()
				&& all_day.getMax(sCaffeineLevelStat) == sCaffeinePerOz * ((S32Ounces)S32TallCup(1) + (S32Ounces)S32GrandeCup(3) + (S32Ounces)S32VentiCup(1)).value()
				&& after_3pm.getMax(sCaffeineLevelStat) == sCaffeinePerOz * ((S32Ounces)S32TallCup(1) + (S32Ounces)S32GrandeCup(3) + (S32Ounces)S32VentiCup(1)).value());
	}

}