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The new compare is implemented using "multimethods" described in the book Advanced C++ Programming Styles and Idioms by James Coplien. First, the isA method is used to determine which of the values being compared is the most general. (For example, CLength is more general than CAltitude.) Then the compareImpl method is called on the most general value, with the other value as an argument. If there is not a direct inheritance relation between the two values (or they are the same class) then the comparison is invalid and a assert is triggered.
83 lines
3.5 KiB
C++
83 lines
3.5 KiB
C++
/* Copyright (C) 2013 VATSIM Community / contributors
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "blackmisc/avatcstation.h"
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#include "testvariantandmap.h"
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#include <QList>
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#include <QString>
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#include <vector>
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using namespace BlackMisc;
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using namespace BlackMisc::Aviation;
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using namespace BlackMisc::PhysicalQuantities;
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using namespace BlackMisc::Geo;
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using namespace BlackMisc::Network;
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namespace BlackMiscTest
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{
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/*
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* Variant tests
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*/
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void CTestVariantAndValueMap::variant()
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{
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// ATC station
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QDateTime dtFrom = QDateTime::currentDateTimeUtc();
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QDateTime dtUntil = dtFrom.addSecs(60 * 60.0); // 1 hour
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QDateTime dtFrom2 = dtUntil;
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QDateTime dtUntil2 = dtUntil.addSecs(60 * 60.0);
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CCoordinateGeodetic geoPos =
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CCoordinateGeodetic::fromWgs84("48° 21′ 13″ N", "11° 47′ 09″ E", CLength(1487, CLengthUnit::ft()));
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CAtcStation station1(CCallsign("eddm_twr"), CUser("123456", "Joe Doe"),
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CFrequency(118.7, CFrequencyUnit::MHz()),
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geoPos, CLength(50, CLengthUnit::km()), false, dtFrom, dtUntil);
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CAtcStation station2(station1);
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CAtcStation station3(CCallsign("eddm_app"), CUser("654321", "Jen Doe"),
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CFrequency(120.7, CFrequencyUnit::MHz()),
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geoPos, CLength(100, CLengthUnit::km()), false, dtFrom2, dtUntil2);
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// compare
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QVariant station1qv = QVariant::fromValue(station1);
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QVERIFY2(station1 == station1, "Station should be equal");
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QVERIFY2(station1 == station2, "Station should be equal");
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QVERIFY2(station1 != station3, "Station should not be equal");
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QVERIFY2(station1qv == station1, "Station should be equal (QVariant)");
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QVERIFY2(station1 == station1qv, "Station should be equal (QVariant)");
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QVERIFY2(station2 == station1qv, "Station should be equal (QVariant)");
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QVERIFY2(station3 != station1qv, "Station should be equal (QVariant)");
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QVERIFY2(compare(station1, station1) == 0, "Station should be equal");
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QVERIFY2(compare(station1, station2) == 0, "Station should be equal");
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QVERIFY2(compare(station1, station3) != 0, "Station should not be equal");
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}
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/*
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* Value map tests
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*/
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void CTestVariantAndValueMap::valueMap()
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{
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// ATC station
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QDateTime dtFrom = QDateTime::currentDateTimeUtc();
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QDateTime dtUntil = dtFrom.addSecs(60 * 60.0); // 1 hour
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CCoordinateGeodetic geoPos =
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CCoordinateGeodetic::fromWgs84("48° 21′ 13″ N", "11° 47′ 09″ E", CLength(1487, CLengthUnit::ft()));
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CAtcStation station1(CCallsign("eddm_twr"), CUser("123456", "Joe Doe"),
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CFrequency(118.7, CFrequencyUnit::MHz()),
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geoPos, CLength(50, CLengthUnit::km()), false, dtFrom, dtUntil);
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// value maps
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CValueMap vmWildcard(true);
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CValueMap vmNoWildcard(false);
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CValueMap vm;
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vm.addValue(CAtcStation::IndexController, CUser("123456", "Joe Doe"));
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// compare
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QVERIFY2(vmWildcard == station1, "Station should be equal to wildcard");
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QVERIFY2(station1 != vmNoWildcard, "Station should not be equal to empty list");
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QVERIFY2(station1 == vm, "Controller should match");
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}
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} //namespace BlackMiscTest
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