/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2020, Google Inc. * * flags.cpp - Flags tests */ #include <iostream> #include <libcamera/base/flags.h> #include "test.h" using namespace libcamera; using namespace std; class FlagsTest : public Test { protected: enum class Option { First = (1 << 0), Second = (1 << 1), Third = (1 << 2), }; using Options = Flags<Option>; enum class Mode { Alpha = (1 << 0), Beta = (1 << 1), Gamma = (1 << 2), }; using Modes = Flags<Mode>; int run() override; }; namespace libcamera { LIBCAMERA_FLAGS_ENABLE_OPERATORS(FlagsTest::Option) } /* namespace libcamera */ int FlagsTest::run() { /* Commented-out constructs are expected not to compile. */ /* Flags<int> f; */ /* * Unary operators with enum argument. */ Options options; if (options) { cerr << "Default-constructed Flags<> is not zero" << endl; return TestFail; } options |= Option::First; if (!options || options != Option::First) { cerr << "Unary bitwise OR with enum failed" << endl; return TestFail; } /* options &= Mode::Alpha; */ /* options |= Mode::Beta; */ /* options ^= Mode::Gamma; */ options &= ~Option::First; if (options) { cerr << "Unary bitwise AND with enum failed" << endl; return TestFail; } options ^= Option::Second; if (options != Option::Second) { cerr << "Unary bitwise XOR with enum failed" << endl; return TestFail; } options = Options(); /* * Unary operators with Flags argument. */ options |= Options(Option::First); if (options != Option::First) { cerr << "Unary bitwise OR with Flags<> failed" << endl; return TestFail; } /* options &= Options(Mode::Alpha); */ /* options |= Options(Mode::Beta); */ /* options ^= Options(Mode::Gamma); */ options &= ~Options(Option::First); if (options) { cerr << "Unary bitwise AND with Flags<> failed" << endl; return TestFail; } options ^= Options(Option::Second); if (options != Option::Second) { cerr << "Unary bitwise XOR with Flags<> failed" << endl; return TestFail; } options = Options(); /* * Binary operators with enum argument. */ options = options | Option::First; if (!(options & Option::First)) { cerr << "Binary bitwise OR with enum failed" << endl; return TestFail; } /* options = options & Mode::Alpha; */ /* options = options | Mode::Beta; */ /* options = options ^ Mode::Gamma; */ options = options & ~Option::First; if (options != (Option::First & Option::Second)) { cerr << "Binary bitwise AND with enum failed" << endl; return TestFail; } options = options ^ (Option::First ^ Option::Second); if (options != (Option::First | Option::Second)) { cerr << "Binary bitwise XOR with enum failed" << endl; return TestFail; } options = Options(); /* * Binary operators with Flags argument. */ options |= Options(Option::First); if (!(options & Option::First)) { cerr << "Binary bitwise OR with Flags<> failed" << endl; return TestFail; } /* options = options & Options(Mode::Alpha); */ /* options = options | Options(Mode::Beta); */ /* options = options ^ Options(Mode::Gamma); */ options = options & ~Options(Option::First); if (options) { cerr << "Binary bitwise AND with Flags<> failed" << endl; return TestFail; } options = options ^ Options(Option::Second); if (options != Option::Second) { cerr << "Binary bitwise XOR with Flags<> failed" << endl; return TestFail; } options = Options(); /* * Conversion operators. */ options |= Option::First | Option::Second | Option::Third; if (static_cast<Options::Type>(options) != 7) { cerr << "Cast to underlying type failed" << endl; return TestFail; } /* * Conversion of the result of ninary operators on the underlying enum. */ /* unsigned int val1 = Option::First; */ /* unsigned int val2 = ~Option::First; */ /* unsigned int val3 = Option::First | Option::Second; */ /* Option val4 = ~Option::First; */ /* Option val5 = Option::First | Option::Second; */ return TestPass; } TEST_REGISTER(FlagsTest)