[libcxx] Do not assume the number of elements in a moved-from associative container

Reviewed as https://reviews.llvm.org/D57903.
Thanks to Andrey Maksimov for the patch.

llvm-svn: 353955

Author: ldionne

libcxx/test/std/containers/associative/map/map.cons/move_alloc.pass.cpp

@@ -178,15 +178,18 @@ int main(int, char**)
             M m3(std::move(m1), A());
             assert(m3 == m2);
             LIBCPP_ASSERT(m1.empty());
-            assert(Counter_base::gConstructed == num+6);
+            assert(Counter_base::gConstructed >= (int)(num+6));
+            assert(Counter_base::gConstructed <= (int)(num+6+m1.size()));
 
             {
             M m4(std::move(m2), A(5));
-            assert(Counter_base::gConstructed == num+6);
+            assert(Counter_base::gConstructed >= (int)(num+6));
+            assert(Counter_base::gConstructed <= (int)(num+6+m1.size()+m2.size()));
             assert(m4 == m3);
             LIBCPP_ASSERT(m2.empty());
             }
-            assert(Counter_base::gConstructed == num+3);
+            assert(Counter_base::gConstructed >= (int)(num+3));
+            assert(Counter_base::gConstructed <= (int)(num+3+m1.size()+m2.size()));
         }
         assert(Counter_base::gConstructed == 0);
     }

libcxx/test/std/containers/associative/multimap/multimap.cons/move_alloc.pass.cpp

@@ -178,15 +178,18 @@ int main(int, char**)
             M m3(std::move(m1), A());
             assert(m3 == m2);
             LIBCPP_ASSERT(m1.empty());
-            assert(Counter_base::gConstructed == 3*num);
+            assert(Counter_base::gConstructed >= (int)(3*num));
+            assert(Counter_base::gConstructed <= (int)(4*num));
 
             {
             M m4(std::move(m2), A(5));
-            assert(Counter_base::gConstructed == 3*num);
+            assert(Counter_base::gConstructed >= (int)(3*num));
+            assert(Counter_base::gConstructed <= (int)(5*num));
             assert(m4 == m3);
             LIBCPP_ASSERT(m2.empty());
             }
-            assert(Counter_base::gConstructed == 2*num);
+            assert(Counter_base::gConstructed >= (int)(2*num));
+            assert(Counter_base::gConstructed <= (int)(4*num));
         }
         assert(Counter_base::gConstructed == 0);
     }

libcxx/test/std/containers/associative/multiset/multiset.cons/move_alloc.pass.cpp

@@ -172,15 +172,18 @@ int main(int, char**)
             M m3(std::move(m1), A());
             assert(m3 == m2);
             LIBCPP_ASSERT(m1.empty());
-            assert(Counter_base::gConstructed == 3*num);
+            assert(Counter_base::gConstructed >= (int)(3*num));
+            assert(Counter_base::gConstructed <= (int)(4*num));
 
             {
             M m4(std::move(m2), A(5));
-            assert(Counter_base::gConstructed == 3*num);
+            assert(Counter_base::gConstructed >= (int)(3*num));
+            assert(Counter_base::gConstructed <= (int)(5*num));
             assert(m4 == m3);
             LIBCPP_ASSERT(m2.empty());
             }
-            assert(Counter_base::gConstructed == 2*num);
+            assert(Counter_base::gConstructed >= (int)(2*num));
+            assert(Counter_base::gConstructed <= (int)(4*num));
         }
         assert(Counter_base::gConstructed == 0);
     }

libcxx/test/std/containers/associative/set/set.cons/move_alloc.pass.cpp

@@ -172,15 +172,18 @@ int main(int, char**)
             M m3(std::move(m1), A());
             assert(m3 == m2);
             LIBCPP_ASSERT(m1.empty());
-            assert(Counter_base::gConstructed == 6+num);
+            assert(Counter_base::gConstructed >= (int)(6+num));
+            assert(Counter_base::gConstructed <= (int)(m1.size()+6+num));
 
             {
             M m4(std::move(m2), A(5));
-            assert(Counter_base::gConstructed == 6+num);
+            assert(Counter_base::gConstructed >= (int)(6+num));
+            assert(Counter_base::gConstructed <= (int)(m1.size()+m2.size()+6+num));
             assert(m4 == m3);
             LIBCPP_ASSERT(m2.empty());
             }
-            assert(Counter_base::gConstructed == 3+num);
+            assert(Counter_base::gConstructed >= (int)(3+num));
+            assert(Counter_base::gConstructed <= (int)(m1.size()+m2.size()+3+num));
         }
         assert(Counter_base::gConstructed == 0);
     }