229     sub_match sm2;  in test()  local
230     sm2.first = y.begin();  in test()
231     sm2.second = y.end();  in test()
232     sm2.matched = true;  in test()
233     assert((sm1 == sm2) == (x == y));  in test()
234     assert((sm1 != sm2) == (x != y));  in test()
235     assert((sm1 < sm2) == (x < y));  in test()
236     assert((sm1 > sm2) == (x > y));  in test()
237     assert((sm1 <= sm2) == (x <= y));  in test()
238     assert((sm1 >= sm2) == (x >= y));  in test()
239     assert((x == sm2) == (x == y));  in test()
240     assert((x != sm2) == (x != y));  in test()
241     assert((x < sm2) == (x < y));  in test()
242     assert((x > sm2) == (x > y));  in test()
243     assert((x <= sm2) == (x <= y));  in test()
244     assert((x >= sm2) == (x >= y));  in test()
252         assert((x.c_str() == sm2) == (x == y));  in test()
253         assert((x.c_str() != sm2) == (x != y));  in test()
254         assert((x.c_str() < sm2) == (x < y));  in test()
255         assert((x.c_str() > sm2) == (x > y));  in test()
256         assert((x.c_str() <= sm2) == (x <= y));  in test()
257         assert((x.c_str() >= sm2) == (x >= y));  in test()
265     assert((x[0] == sm2) == (string(1, x[0]) == y));  in test()
266     assert((x[0] != sm2) == (string(1, x[0]) != y));  in test()
267     assert((x[0] < sm2) == (string(1, x[0]) < y));  in test()
268     assert((x[0] > sm2) == (string(1, x[0]) > y));  in test()
269     assert((x[0] <= sm2) == (string(1, x[0]) <= y));  in test()
270     assert((x[0] >= sm2) == (string(1, x[0]) >= y));  in test()