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// --------------------------------------------------------------------
// CLASS METHOD 'resetStatistics'
//
// Concerns:
//: 1 'resetStatistics' resets unit statistics counter to 0.
//:
//: 2 'resetStatistics' updates 'statisticsCollectionStartTime' time
//: correctly.
//:
//: 3 'resetStatistics' does not alter object state except for
//: submitted units counter and 'lastReset' time.
//
// Testing:
// void resetStatistics();
// --------------------------------------------------------------------
if (verbose) cout << endl
<< "CLASS METHOD 'resetStatistics'" << endl
<< "==========================" << endl;
Uint64 usedUnits = 0;
Uint64 unusedUnits = 0;
const Ti CREATION_TIME = Ti(0.0);
const Ti UPD_TIME = Ti(0.75);
const Uint64 UNITS = 500;
const Uint64 S_RATE = 1000;
const Ti S_WND = Ti(10);
const Uint64 P_RATE = 10000;
const Ti P_WND = Ti(0.1);
const Uint64 EXP_USED = UNITS;
const Uint64 EXP_UNUSED =
(Uint64) floor((UPD_TIME - CREATION_TIME).totalSecondsAsDouble() *
S_RATE) - EXP_USED;
Obj x(S_RATE, S_WND, P_RATE, P_WND, CREATION_TIME);
x.submit(UNITS);
x.reserve(UNITS*2);
x.updateState(UPD_TIME);
x.getStatistics(&usedUnits, &unusedUnits);
ASSERT(EXP_USED == usedUnits);
ASSERT(EXP_UNUSED == unusedUnits);
ASSERT(CREATION_TIME == x.statisticsCollectionStartTime());
x.submit(UNITS);
x.resetStatistics();
// C-1
x.getStatistics(&usedUnits, &unusedUnits);
ASSERT(0 == usedUnits);
ASSERT(0 == unusedUnits);
// C-2
ASSERT(UPD_TIME == x.statisticsCollectionStartTime());
// C-3
ASSERT(S_RATE == x.sustainedRateLimit());
ASSERT(S_WND == x.sustainedRateWindow());
ASSERT(P_RATE == x.peakRateLimit());
ASSERT(P_WND == x.peakRateWindow());
ASSERT(UPD_TIME == x.lastUpdateTime());
ASSERT(UNITS*2 == x.unitsReserved());
} break;
case 9: {
// --------------------------------------------------------------------
// CLASS METHOD 'getStatistics'
//
// Concerns:
//: 1 'getStatistics' returns 0 for a new object, created by value
//: CTOR.
//:
//: 2 'getStatistics' returns correct numbers of used and unused units
//: (the calculation is base upon the sustained rate sustained rate
//: after a sequence of 'submit' and 'updateState' calls.
//:
//: 3 Specifying invalid parameters for 'getStatistics()' causes
//: certain behavior in special build configuration.
//:
//: 4 Statistics is calculated for interval between
//: 'statisticsCollectionStartTime' and 'lastUpdateTime'
//
// Testing:
// void getStatistics(*submittedUnits, *unusedUnits) const;
// --------------------------------------------------------------------
if (verbose) cout << endl
<< "CLASS METHOD 'getStatistics'" << endl
<< "============================" << endl;
Uint64 usedUnits = 0;
Uint64 unusedUnits = 0;
// C-1
if (verbose) cout << endl
<< "Testing: statistics after value construction"
<< endl;
{
Obj x(1000, Ti(1), 10000, Ti(0.01), Ti(42.4242));