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// This file is part of CAF, the C++ Actor Framework. See the file LICENSE in
// the main distribution directory for license terms and copyright or visit
// https://github.com/actor-framework/actor-framework/blob/master/LICENSE.
#define CAF_SUITE optional
#include "caf/optional.hpp"
#include "core-test.hpp"
using namespace caf;
namespace {
struct qwertz {
qwertz(int x, int y) : x_(x), y_(y) {
// nop
}
int x_;
int y_;
};
bool operator==(const qwertz& lhs, const qwertz& rhs) {
return lhs.x_ == rhs.x_ && lhs.y_ == rhs.y_;
}
} // namespace
CAF_TEST(empty) {
optional<int> x;
optional<int> y;
CHECK(x == y);
CHECK(!(x != y));
}
CAF_TEST(equality) {
optional<int> x = 42;
optional<int> y = 7;
CHECK(x != y);
CHECK(!(x == y));
}
CAF_TEST(ordering) {
optional<int> x = 42;
optional<int> y = 7;
CHECK(x > y);
CHECK(x >= y);
CHECK(y < x);
CHECK(y <= x);
CHECK(!(y > x));
CHECK(!(y >= x));
CHECK(!(x < y));
CHECK(!(x <= y));
CHECK(x < 4711);
CHECK(4711 > x);
CHECK(4711 >= x);
CHECK(!(x > 4711));
CHECK(!(x >= 4711));
CHECK(!(4211 < x));
CHECK(!(4211 <= x));
}
CAF_TEST(custom_type_none) {
optional<qwertz> x;
CHECK(x == none);
}
CAF_TEST(custom_type_engaged) {
qwertz obj{1, 2};
optional<qwertz> x = obj;
CHECK(x != none);
CHECK(obj == x);
CHECK(x == obj);
CHECK(obj == *x);
CHECK(*x == obj);
}
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