27     std::basic_string_view<CharT> sv1;  in test1()  local
31     sv1 = sv.substr(pos, n);  in test1()
34         sv1 = sv.substr(pos, n);  in test1()
43     assert (sv1.size() == rlen);  in test1()
45         assert(sv[pos+i] == sv1[i]);  in test1()
53     string_view_t sv1 ( s );  in test()  local
55     test1(sv1,  0, 0);  in test()
56     test1(sv1,  1, 0);  in test()
57     test1(sv1, 20, 0);  in test()
58     test1(sv1, sv1.size(), 0);  in test()
60     test1(sv1,   0, 3);  in test()
61     test1(sv1,   2, 3);  in test()
62     test1(sv1, 100, 3);  in test()
64     test1(sv1, 0, string_view_t::npos);  in test()
65     test1(sv1, 2, string_view_t::npos);  in test()
66     test1(sv1, sv1.size(), string_view_t::npos);  in test()
68     test1(sv1, sv1.size() + 1, 0);  in test()
69     test1(sv1, sv1.size() + 1, 1);  in test()
70     test1(sv1, sv1.size() + 1, string_view_t::npos);  in test()
98     constexpr std::string_view sv1 { "ABCDE", 5 };  in main()  local
101     constexpr std::string_view sv2 = sv1.substr ( 0, 3 );  in main()
109     constexpr std::string_view sv2 = sv1.substr ( 3, 0 );  in main()
114     constexpr std::string_view sv2 = sv1.substr ( 3, 3 );  in main()