Split the giant test binaries into smaller unit tests

This is an intermediate step to have smaller unit tests. It is a trade off
between having many many test executables compared to a few bigger ones. But
this comes a lot closer to what QtTest is meant to be used.

tests/blackmisc/simulation/testinterpolatormisc/testinterpolatormisc.cpp

@@ -0,0 +1,61 @@
+/* Copyright (C) 2018
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+//! \cond PRIVATE_TESTS
+//! \file
+//! \ingroup testblackmisc
+
+#include "blackmisc/simulation/interpolationrenderingsetup.h"
+#include "test.h"
+
+#include <QDebug>
+#include <QTest>
+#include <QtDebug>
+
+using namespace BlackMisc::Aviation;
+using namespace BlackMisc::PhysicalQuantities;
+using namespace BlackMisc::Simulation;
+
+namespace BlackMiscTest
+{
+    //! Interpolator related basic tests
+    class CTestInterpolatorMisc : public QObject
+    {
+        Q_OBJECT
+
+    private slots:
+        //! Basic unit tests for interpolation setup
+        void setupTests();
+    };
+
+    void CTestInterpolatorMisc::setupTests()
+    {
+        const CInterpolationAndRenderingSetupGlobal gs1;
+        CInterpolationAndRenderingSetupGlobal gs2(gs1);
+
+        QVERIFY2(gs1 == gs2, "Expect equal setups");
+        const CLength l(100, CLengthUnit::m());
+        gs2.setMaxRenderedDistance(l);
+        QVERIFY2(gs1 != gs2, "Expect unequal setups");
+
+        const CCallsign cs("DAMBZ");
+        const CInterpolationAndRenderingSetupPerCallsign setup1(cs, gs1);
+        CInterpolationAndRenderingSetupPerCallsign setup2(setup1);
+        QVERIFY2(setup1 == setup2, "Expect equal setups (per callsign)");
+        setup2.setEnabledAircraftParts(!setup2.isAircraftPartsEnabled());
+        QVERIFY2(setup1 != setup2, "Expect unequal setups (per callsign)");
+    }
+} // namespace
+
+//! main
+BLACKTEST_APPLESS_MAIN(BlackMiscTest::CTestInterpolatorMisc);
+
+#include "testinterpolatormisc.moc"
+
+//! \endcond