Move test into test/std subdirectory.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/containers/associative/multimap/multimap.modifiers/erase_key.pass.cpp

@@ -0,0 +1,153 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <map>
+
+// class multimap
+
+// size_type erase(const key_type& k);
+
+#include <map>
+#include <cassert>
+
+#include "min_allocator.h"
+
+int main()
+{
+    {
+        typedef std::multimap<int, double> M;
+        typedef std::pair<int, double> P;
+        typedef M::size_type I;
+        P ar[] =
+        {
+            P(1, 1),
+            P(1, 1.5),
+            P(1, 2),
+            P(2, 1),
+            P(2, 1.5),
+            P(2, 2),
+            P(3, 1),
+            P(3, 1.5),
+            P(3, 2),
+        };
+        M m(ar, ar + sizeof(ar)/sizeof(ar[0]));
+        assert(m.size() == 9);
+        I i = m.erase(2);
+        assert(m.size() == 6);
+        assert(i == 3);
+        assert(next(m.begin(), 0)->first == 1);
+        assert(next(m.begin(), 0)->second == 1);
+        assert(next(m.begin(), 1)->first == 1);
+        assert(next(m.begin(), 1)->second == 1.5);
+        assert(next(m.begin(), 2)->first == 1);
+        assert(next(m.begin(), 2)->second == 2);
+        assert(next(m.begin(), 3)->first == 3);
+        assert(next(m.begin(), 3)->second == 1);
+        assert(next(m.begin(), 4)->first == 3);
+        assert(next(m.begin(), 4)->second == 1.5);
+        assert(next(m.begin(), 5)->first == 3);
+        assert(next(m.begin(), 5)->second == 2);
+
+        i = m.erase(2);
+        assert(m.size() == 6);
+        assert(i == 0);
+        assert(next(m.begin(), 0)->first == 1);
+        assert(next(m.begin(), 0)->second == 1);
+        assert(next(m.begin(), 1)->first == 1);
+        assert(next(m.begin(), 1)->second == 1.5);
+        assert(next(m.begin(), 2)->first == 1);
+        assert(next(m.begin(), 2)->second == 2);
+        assert(next(m.begin(), 3)->first == 3);
+        assert(next(m.begin(), 3)->second == 1);
+        assert(next(m.begin(), 4)->first == 3);
+        assert(next(m.begin(), 4)->second == 1.5);
+        assert(next(m.begin(), 5)->first == 3);
+        assert(next(m.begin(), 5)->second == 2);
+
+        i = m.erase(3);
+        assert(i == 3);
+        assert(m.size() == 3);
+        assert(next(m.begin(), 0)->first == 1);
+        assert(next(m.begin(), 0)->second == 1);
+        assert(next(m.begin(), 1)->first == 1);
+        assert(next(m.begin(), 1)->second == 1.5);
+        assert(next(m.begin(), 2)->first == 1);
+        assert(next(m.begin(), 2)->second == 2);
+
+        i = m.erase(1);
+        assert(m.size() == 0);
+        assert(i == 3);
+    }
+#if __cplusplus >= 201103L
+    {
+        typedef std::multimap<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> M;
+        typedef std::pair<int, double> P;
+        typedef M::size_type I;
+        P ar[] =
+        {
+            P(1, 1),
+            P(1, 1.5),
+            P(1, 2),
+            P(2, 1),
+            P(2, 1.5),
+            P(2, 2),
+            P(3, 1),
+            P(3, 1.5),
+            P(3, 2),
+        };
+        M m(ar, ar + sizeof(ar)/sizeof(ar[0]));
+        assert(m.size() == 9);
+        I i = m.erase(2);
+        assert(m.size() == 6);
+        assert(i == 3);
+        assert(next(m.begin(), 0)->first == 1);
+        assert(next(m.begin(), 0)->second == 1);
+        assert(next(m.begin(), 1)->first == 1);
+        assert(next(m.begin(), 1)->second == 1.5);
+        assert(next(m.begin(), 2)->first == 1);
+        assert(next(m.begin(), 2)->second == 2);
+        assert(next(m.begin(), 3)->first == 3);
+        assert(next(m.begin(), 3)->second == 1);
+        assert(next(m.begin(), 4)->first == 3);
+        assert(next(m.begin(), 4)->second == 1.5);
+        assert(next(m.begin(), 5)->first == 3);
+        assert(next(m.begin(), 5)->second == 2);
+
+        i = m.erase(2);
+        assert(m.size() == 6);
+        assert(i == 0);
+        assert(next(m.begin(), 0)->first == 1);
+        assert(next(m.begin(), 0)->second == 1);
+        assert(next(m.begin(), 1)->first == 1);
+        assert(next(m.begin(), 1)->second == 1.5);
+        assert(next(m.begin(), 2)->first == 1);
+        assert(next(m.begin(), 2)->second == 2);
+        assert(next(m.begin(), 3)->first == 3);
+        assert(next(m.begin(), 3)->second == 1);
+        assert(next(m.begin(), 4)->first == 3);
+        assert(next(m.begin(), 4)->second == 1.5);
+        assert(next(m.begin(), 5)->first == 3);
+        assert(next(m.begin(), 5)->second == 2);
+
+        i = m.erase(3);
+        assert(i == 3);
+        assert(m.size() == 3);
+        assert(next(m.begin(), 0)->first == 1);
+        assert(next(m.begin(), 0)->second == 1);
+        assert(next(m.begin(), 1)->first == 1);
+        assert(next(m.begin(), 1)->second == 1.5);
+        assert(next(m.begin(), 2)->first == 1);
+        assert(next(m.begin(), 2)->second == 2);
+
+        i = m.erase(1);
+        assert(m.size() == 0);
+        assert(i == 3);
+    }
+#endif
+}