218   auto testUnionSymmetrically = [&](std::initializer_list<unsigned> LHS,  in TEST()  local
226   testUnionSymmetrically({}, {1, 2, 3}, {1, 2, 3});  in TEST()
229   testUnionSymmetrically({1, 2, 3}, {}, {1, 2, 3});  in TEST()
232   testUnionSymmetrically({1}, {1}, {1});  in TEST()
233   testUnionSymmetrically({1, 2, 11, 12}, {1, 2, 11, 12}, {1, 2, 11, 12});  in TEST()
237   testUnionSymmetrically({2, 3, 4}, {1, 2, 3}, {1, 2, 3, 4});  in TEST()
238   testUnionSymmetrically({2, 3, 4}, {2, 3, 4}, {2, 3, 4});  in TEST()
239   testUnionSymmetrically({2, 3, 4}, {3, 4, 5}, {2, 3, 4, 5});  in TEST()
240   testUnionSymmetrically({1, 2, 3}, {2, 3, 4}, {1, 2, 3, 4});  in TEST()
241   testUnionSymmetrically({3, 4, 5}, {2, 3, 4}, {2, 3, 4, 5});  in TEST()
246   testUnionSymmetrically({1, 2, 11, 12}, {1}, {1, 2, 11, 12});  in TEST()
247   testUnionSymmetrically({1, 2, 11, 12}, {2}, {1, 2, 11, 12});  in TEST()
248   testUnionSymmetrically({1, 2, 11, 12}, {11}, {1, 2, 11, 12});  in TEST()
249   testUnionSymmetrically({1, 2, 11, 12}, {12}, {1, 2, 11, 12});  in TEST()
250   testUnionSymmetrically({1, 2, 11, 12}, {1, 11}, {1, 2, 11, 12});  in TEST()
251   testUnionSymmetrically({1, 2, 11, 12}, {1, 12}, {1, 2, 11, 12});  in TEST()
252   testUnionSymmetrically({1, 2, 11, 12}, {2, 11}, {1, 2, 11, 12});  in TEST()
253   testUnionSymmetrically({1, 2, 11, 12}, {2, 12}, {1, 2, 11, 12});  in TEST()
254   testUnionSymmetrically({1, 2, 11, 12}, {1, 2, 11}, {1, 2, 11, 12});  in TEST()
255   testUnionSymmetrically({1, 2, 11, 12}, {1, 2, 12}, {1, 2, 11, 12});  in TEST()
256   testUnionSymmetrically({1, 2, 11, 12}, {1, 11, 12}, {1, 2, 11, 12});  in TEST()
257   testUnionSymmetrically({1, 2, 11, 12}, {2, 11, 12}, {1, 2, 11, 12});  in TEST()
258   testUnionSymmetrically({1, 2, 11, 12}, {0, 11, 12}, {0, 1, 2, 11, 12});  in TEST()
259   testUnionSymmetrically({1, 2, 11, 12}, {3, 11, 12}, {1, 2, 3, 11, 12});  in TEST()
260   testUnionSymmetrically({1, 2, 11, 12}, {1, 11, 13}, {1, 2, 11, 12, 13});  in TEST()
261   testUnionSymmetrically({1, 2, 11, 12}, {1, 10, 11}, {1, 2, 10, 11, 12});  in TEST()
264   testUnionSymmetrically({1, 2, 3, 4, 5, 6, 7, 8}, {2, 3, 4, 6, 7},  in TEST()
266   testUnionSymmetrically({1, 2, 3, 4, 5, 6, 7, 8}, {2, 3, 7, 8, 9},  in TEST()
270   testUnionSymmetrically({1, 2, 3, 4, 5}, {0, 1, 2, 4, 5, 6},  in TEST()
272   testUnionSymmetrically({2, 3}, {1, 2, 3, 4}, {1, 2, 3, 4});  in TEST()
273   testUnionSymmetrically({3, 4}, {1, 2, 3, 4}, {1, 2, 3, 4});  in TEST()
274   testUnionSymmetrically({1, 2}, {1, 2, 3, 4}, {1, 2, 3, 4});  in TEST()
275   testUnionSymmetrically({0, 1}, {1, 2, 3, 4}, {0, 1, 2, 3, 4});  in TEST()
278   testUnionSymmetrically({0, 1}, {2, 3}, {0, 1, 2, 3});  in TEST()
279   testUnionSymmetrically({0, 3}, {1, 2}, {0, 1, 2, 3});  in TEST()