[PATCH] D54838: [libcxx] Fix order checking in unordered_multimap tests.

[Andrey Maksimov via Phabricator]

amakc11 created this revision.
Herald added a reviewer: EricWF.
Herald added subscribers: libcxx-commits, ldionne.

Some tests assume that iteration through an unordered multimap elements will return them in the same order as at the container creation. This assumption is not true since the container is **unordered**, so that no specific order of elements is ever guaranteed for such container. This patch introduces checks verifying that any iteration will return elements exactly from a set of valid values and without repetition, but in no particular order.


Repository:
  rCXX libc++

https://reviews.llvm.org/D54838

Files:
  test/std/containers/unord/unord.multimap/equal_range_const.pass.cpp
  test/std/containers/unord/unord.multimap/equal_range_non_const.pass.cpp
  test/std/containers/unord/unord.multimap/local_iterators.pass.cpp
  test/std/containers/unord/unord.multimap/rehash.pass.cpp
  test/std/containers/unord/unord.multimap/reserve.pass.cpp
  test/std/containers/unord/unord.multimap/swap_member.pass.cpp

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