28     size_t idx = 0;  in main()  local
29     assert(std::stoi("10g", &idx, 16) == 16);  in main()
30     assert(idx == 2);  in main()
31     idx = 0;  in main()
32     assert(std::stoi(L"10g", &idx, 16) == 16);  in main()
33     assert(idx == 2);  in main()
38             std::stoi("0x100000000", &idx, 16);  in main()
46             std::stoi(L"0x100000000", &idx, 16);  in main()
53     idx = 0;  in main()
56         std::stoi("", &idx);  in main()
61         assert(idx == 0);  in main()
65         std::stoi(L"", &idx);  in main()
70         assert(idx == 0);  in main()
74         std::stoi("  - 8", &idx);  in main()
79         assert(idx == 0);  in main()
83         std::stoi(L"  - 8", &idx);  in main()
88         assert(idx == 0);  in main()
92         std::stoi("a1", &idx);  in main()
97         assert(idx == 0);  in main()
101         std::stoi(L"a1", &idx);  in main()
106         assert(idx == 0);  in main()