unordered_set/modifiers/swap.cc

26   std::unordered_set<int> us1 { 0, 1 };
28     std::unordered_set<int> us2(std::move(us1));
30     us1.swap(us2);
32     VERIFY( us1.find(0) != us1.end() );
34     us1.insert(2);
36     VERIFY( us1.size() == 3 );
38     us2.swap(us1);
43     us1 = { 3, 4, 5 };
45     VERIFY( us1.size() == 3 );
46     VERIFY( us1.bucket_count() >= 3 );
48     std::unordered_set<int> us3(std::move(us1));
51     us1.swap(us2);
53     VERIFY( us1.empty() );
57   us1 = { 0, 1 };
58   VERIFY( us1.size() == 2 );