51     char* np = nullptr;  in test()  local
52     std::codecvt_base::result r = c.out(m, w, w + 2, wp, n, n + 4, np);  in test()
55     assert(np == n + 4);  in test()
62     r = c.out(m, w, w + 1, wp, n, n + 4, np);  in test()
65     assert(np == n + 3);  in test()
71     r = c.out(m, w, w + 1, wp, n, n + 4, np);  in test()
74     assert(np == n + 2);  in test()
79     r = c.out(m, w, w + 1, wp, n, n + 4, np);  in test()
82     assert(np == n + 1);  in test()
92     char* np = nullptr;  in test()  local
93     std::codecvt_base::result r = c.out(m, w, w + 2, wp, n, n + 4, np);  in test()
96     assert(np == n);  in test()
99     r = c.out(m, w, w + 1, wp, n, n + 4, np);  in test()
102     assert(np == n);  in test()
105     r = c.out(m, w, w + 1, wp, n, n + 4, np);  in test()
108     assert(np == n + 2);  in test()
113     r = c.out(m, w, w + 1, wp, n, n + 4, np);  in test()
116     assert(np == n + 1);  in test()
126     char* np = nullptr;  in test()  local
127     std::codecvt_base::result r = c.out(m, w, w + 2, wp, n, n + 7, np);  in test()
130     assert(np == n + 7);  in test()
140     r = c.out(m, w, w + 1, wp, n, n + 7, np);  in test()
143     assert(np == n + 6);  in test()
152     r = c.out(m, w, w + 1, wp, n, n + 7, np);  in test()
155     assert(np == n + 5);  in test()
163     r = c.out(m, w, w + 1, wp, n, n + 7, np);  in test()
166     assert(np == n + 4);  in test()
183     char* np = nullptr;  in test()  local
184     std::codecvt_base::result r = c.out(m, w, w + 2, wp, n, n + 4, np);  in test()
187     assert(np == n + 4);  in test()
194     r = c.out(m, w, w + 1, wp, n, n + 4, np);  in test()
197     assert(np == n + 3);  in test()
203     r = c.out(m, w, w + 1, wp, n, n + 4, np);  in test()
206     assert(np == n + 2);  in test()
211     r = c.out(m, w, w + 1, wp, n, n + 4, np);  in test()
214     assert(np == n + 1);  in test()
224     char* np = nullptr;  in test()  local
225     std::codecvt_base::result r = c.out(m, w, w + 2, wp, n, n + 4, np);  in test()
228     assert(np == n);  in test()
231     r = c.out(m, w, w + 1, wp, n, n + 4, np);  in test()
234     assert(np == n);  in test()
237     r = c.out(m, w, w + 1, wp, n, n + 4, np);  in test()
240     assert(np == n + 2);  in test()
245     r = c.out(m, w, w + 1, wp, n, n + 4, np);  in test()
248     assert(np == n + 1);  in test()
258     char* np = nullptr;  in test()  local
259     std::codecvt_base::result r = c.out(m, w, w + 2, wp, n, n + 7, np);  in test()
262     assert(np == n + 7);  in test()
272     r = c.out(m, w, w + 1, wp, n, n + 7, np);  in test()
275     assert(np == n + 6);  in test()
284     r = c.out(m, w, w + 1, wp, n, n + 7, np);  in test()
287     assert(np == n + 5);  in test()
295     r = c.out(m, w, w + 1, wp, n, n + 7, np);  in test()
298     assert(np == n + 4);  in test()