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-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/cons/moveable.cc43
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct1_neg.cc34
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct2_neg.cc34
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct3_neg.cc34
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct4_neg.cc33
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert1_neg.cc34
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert2_neg.cc34
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert3_neg.cc34
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert4_neg.cc33
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/erase/1.cc128
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/erase/24061-set.cc104
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/erase/51142.cc38
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/26132.cc57
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/dr1189.cc48
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/init-list.cc59
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/insert/24061-set.cc57
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_range.cc77
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_single.cc65
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_single_move.cc69
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/operators/1.cc108
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/operators/52309.cc28
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/range_access.cc31
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/requirements/citerators.cc30
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/requirements/cliterators.cc32
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/requirements/debug_container.cc25
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/requirements/debug_mode.cc30
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/basic.cc42
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/generation_prohibited.cc36
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/propagation_consistent.cc36
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/1.cc23
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/2.cc29
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/3.cc24
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/4.cc33
-rw-r--r--libstdc++-v3/testsuite/23_containers/unordered_set/requirements/typedefs.cc25
34 files changed, 1547 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/cons/moveable.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/cons/moveable.cc
new file mode 100644
index 000000000..29277cfec
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/cons/moveable.cc
@@ -0,0 +1,43 @@
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+
+// NOTE: This makes use of the fact that we know how moveable
+// is implemented on set (via swap). If the implementation changed
+// this test may begin to fail.
+
+#include <unordered_set>
+#include <utility>
+#include <testsuite_hooks.h>
+
+int main()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::unordered_set<int> a,b;
+ a.insert(2);
+ b.insert(1);
+ b = std::move(a);
+ VERIFY( b.find(2) != b.end() && a.find(1) == a.end() );
+
+ std::unordered_set<int> c(std::move(b));
+ VERIFY( c.find(2) != c.end() );
+ VERIFY( b.find(2) == b.end() );
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct1_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct1_neg.cc
new file mode 100644
index 000000000..e37e5209d
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct1_neg.cc
@@ -0,0 +1,34 @@
+// Copyright (C) 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+//
+// { dg-require-debug-mode "" }
+// { dg-options "-std=gnu++0x" }
+// { dg-do run { xfail *-*-* } }
+
+#include <unordered_set>
+#include <debug/checks.h>
+
+void test01()
+{
+ __gnu_test::check_construct1<std::unordered_set<int> >();
+}
+
+int main()
+{
+ test01();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct2_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct2_neg.cc
new file mode 100644
index 000000000..90e5d55a4
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct2_neg.cc
@@ -0,0 +1,34 @@
+// Copyright (C) 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+//
+// { dg-require-debug-mode "" }
+// { dg-options "-std=gnu++0x" }
+// { dg-do run { xfail *-*-* } }
+
+#include <unordered_set>
+#include <debug/checks.h>
+
+void test01()
+{
+ __gnu_test::check_construct2<std::unordered_set<int> >();
+}
+
+int main()
+{
+ test01();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct3_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct3_neg.cc
new file mode 100644
index 000000000..e7222a9c2
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct3_neg.cc
@@ -0,0 +1,34 @@
+// Copyright (C) 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+//
+// { dg-require-debug-mode "" }
+// { dg-options "-std=gnu++0x" }
+// { dg-do run { xfail *-*-* } }
+
+#include <unordered_set>
+#include <debug/checks.h>
+
+void test01()
+{
+ __gnu_test::check_construct3<std::unordered_set<int> >();
+}
+
+int main()
+{
+ test01();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct4_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct4_neg.cc
new file mode 100644
index 000000000..8eb030429
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/construct4_neg.cc
@@ -0,0 +1,33 @@
+// Copyright (C) 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+//
+// { dg-options "-std=gnu++0x" }
+// { dg-do run { xfail *-*-* } }
+
+#include <debug/unordered_set>
+#include <debug/checks.h>
+
+void test01()
+{
+ __gnu_test::check_construct1<__gnu_debug::unordered_set<int> >();
+}
+
+int main()
+{
+ test01();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert1_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert1_neg.cc
new file mode 100644
index 000000000..ab6942cca
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert1_neg.cc
@@ -0,0 +1,34 @@
+// Copyright (C) 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+//
+// { dg-require-debug-mode "" }
+// { dg-options "-std=gnu++0x" }
+// { dg-do run { xfail *-*-* } }
+
+#include <unordered_set>
+#include <debug/checks.h>
+
+void test01()
+{
+ __gnu_test::check_insert1<std::unordered_set<int> >();
+}
+
+int main()
+{
+ test01();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert2_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert2_neg.cc
new file mode 100644
index 000000000..81be39da9
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert2_neg.cc
@@ -0,0 +1,34 @@
+// Copyright (C) 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+//
+// { dg-require-debug-mode "" }
+// { dg-options "-std=gnu++0x" }
+// { dg-do run { xfail *-*-* } }
+
+#include <unordered_set>
+#include <debug/checks.h>
+
+void test01()
+{
+ __gnu_test::check_insert2<std::unordered_set<int> >();
+}
+
+int main()
+{
+ test01();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert3_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert3_neg.cc
new file mode 100644
index 000000000..2d3b7e472
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert3_neg.cc
@@ -0,0 +1,34 @@
+// Copyright (C) 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+//
+// { dg-require-debug-mode "" }
+// { dg-options "-std=gnu++0x" }
+// { dg-do run { xfail *-*-* } }
+
+#include <unordered_set>
+#include <debug/checks.h>
+
+void test01()
+{
+ __gnu_test::check_insert3<std::unordered_set<int> >();
+}
+
+int main()
+{
+ test01();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert4_neg.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert4_neg.cc
new file mode 100644
index 000000000..96d6a2a05
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/debug/insert4_neg.cc
@@ -0,0 +1,33 @@
+// Copyright (C) 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+//
+// { dg-options "-std=gnu++0x" }
+// { dg-do run { xfail *-*-* } }
+
+#include <debug/unordered_set>
+#include <debug/checks.h>
+
+void test01()
+{
+ __gnu_test::check_insert1<__gnu_debug::unordered_set<int> >();
+}
+
+int main()
+{
+ test01();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/erase/1.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/erase/1.cc
new file mode 100644
index 000000000..8f59773d8
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/erase/1.cc
@@ -0,0 +1,128 @@
+// { dg-options "-std=gnu++0x" }
+
+// 2010-02-10 Paolo Carlini <paolo.carlini@oracle.com>
+//
+// Copyright (C) 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <unordered_set>
+#include <string>
+#include <testsuite_hooks.h>
+
+void test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ typedef std::unordered_set<std::string> Set;
+ typedef Set::iterator iterator;
+ typedef Set::const_iterator const_iterator;
+
+ Set s1;
+
+ s1.insert("because to why");
+ s1.insert("the stockholm syndrome");
+ s1.insert("a cereous night");
+ s1.insert("eeilo");
+ s1.insert("protean");
+ s1.insert("the way you are when");
+ s1.insert("tillsammans");
+ s1.insert("umbra/penumbra");
+ s1.insert("belonging (no longer mix)");
+ s1.insert("one line behind");
+ VERIFY( s1.size() == 10 );
+
+ VERIFY( s1.erase("eeilo") == 1 );
+ VERIFY( s1.size() == 9 );
+ iterator it1 = s1.find("eeilo");
+ VERIFY( it1 == s1.end() );
+
+ VERIFY( s1.erase("tillsammans") == 1 );
+ VERIFY( s1.size() == 8 );
+ iterator it2 = s1.find("tillsammans");
+ VERIFY( it2 == s1.end() );
+
+ // Must work (see DR 526)
+ iterator it3 = s1.find("belonging (no longer mix)");
+ VERIFY( it3 != s1.end() );
+ VERIFY( s1.erase(*it3) == 1 );
+ VERIFY( s1.size() == 7 );
+ it3 = s1.find("belonging (no longer mix)");
+ VERIFY( it3 == s1.end() );
+
+ VERIFY( !s1.erase("abra") );
+ VERIFY( s1.size() == 7 );
+
+ VERIFY( !s1.erase("eeilo") );
+ VERIFY( s1.size() == 7 );
+
+ VERIFY( s1.erase("because to why") == 1 );
+ VERIFY( s1.size() == 6 );
+ iterator it4 = s1.find("because to why");
+ VERIFY( it4 == s1.end() );
+
+ iterator it5 = s1.find("umbra/penumbra");
+ iterator it6 = s1.find("one line behind");
+ VERIFY( it5 != s1.end() );
+ VERIFY( it6 != s1.end() );
+
+ VERIFY( s1.find("the stockholm syndrome") != s1.end() );
+ VERIFY( s1.find("a cereous night") != s1.end() );
+ VERIFY( s1.find("the way you are when") != s1.end() );
+ VERIFY( s1.find("a cereous night") != s1.end() );
+
+ VERIFY( s1.erase(*it5) == 1 );
+ VERIFY( s1.size() == 5 );
+ it5 = s1.find("umbra/penumbra");
+ VERIFY( it5 == s1.end() );
+
+ VERIFY( s1.erase(*it6) == 1 );
+ VERIFY( s1.size() == 4 );
+ it6 = s1.find("one line behind");
+ VERIFY( it6 == s1.end() );
+
+ iterator it7 = s1.begin();
+ iterator it8 = it7;
+ ++it8;
+ iterator it9 = it8;
+ ++it9;
+
+ VERIFY( s1.erase(*it8) == 1 );
+ VERIFY( s1.size() == 3 );
+ VERIFY( ++it7 == it9 );
+
+ iterator it10 = it9;
+ ++it10;
+ iterator it11 = it10;
+
+ VERIFY( s1.erase(*it9) == 1 );
+ VERIFY( s1.size() == 2 );
+ VERIFY( ++it10 == s1.end() );
+
+ VERIFY( s1.erase(s1.begin()) != s1.end() );
+ VERIFY( s1.size() == 1 );
+ VERIFY( s1.begin() == it11 );
+
+ VERIFY( s1.erase(*s1.begin()) == 1 );
+ VERIFY( s1.size() == 0 );
+ VERIFY( s1.begin() == s1.end() );
+}
+
+int main()
+{
+ test01();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/erase/24061-set.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/erase/24061-set.cc
new file mode 100644
index 000000000..b4cdde62d
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/erase/24061-set.cc
@@ -0,0 +1,104 @@
+// { dg-options "-std=gnu++0x" }
+
+// 2010-02-10 Paolo Carlini <paolo.carlini@oracle.com>
+//
+// Copyright (C) 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <unordered_set>
+#include <string>
+#include <testsuite_hooks.h>
+
+// libstdc++/24061
+void test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ typedef std::unordered_set<std::string> Set;
+ typedef Set::iterator iterator;
+ typedef Set::const_iterator const_iterator;
+
+ Set s1;
+
+ s1.insert("all the love in the world");
+ s1.insert("you know what you are?");
+ s1.insert("the collector");
+ s1.insert("the hand that feeds");
+ s1.insert("love is not enough");
+ s1.insert("every day is exactly the same");
+ s1.insert("with teeth");
+ s1.insert("only");
+ s1.insert("getting smaller");
+ s1.insert("sunspots");
+ VERIFY( s1.size() == 10 );
+
+ iterator it1 = s1.begin();
+ ++it1;
+ iterator it2 = it1;
+ ++it2;
+ iterator it3 = s1.erase(it1);
+ VERIFY( s1.size() == 9 );
+ VERIFY( it3 == it2 );
+ VERIFY( *it3 == *it2 );
+
+ iterator it4 = s1.begin();
+ ++it4;
+ ++it4;
+ ++it4;
+ iterator it5 = it4;
+ ++it5;
+ ++it5;
+ iterator it6 = s1.erase(it4, it5);
+ VERIFY( s1.size() == 7 );
+ VERIFY( it6 == it5 );
+ VERIFY( *it6 == *it5 );
+
+ const_iterator it7 = s1.begin();
+ ++it7;
+ ++it7;
+ ++it7;
+ const_iterator it8 = it7;
+ ++it8;
+ const_iterator it9 = s1.erase(it7);
+ VERIFY( s1.size() == 6 );
+ VERIFY( it9 == it8 );
+ VERIFY( *it9 == *it8 );
+
+ const_iterator it10 = s1.begin();
+ ++it10;
+ const_iterator it11 = it10;
+ ++it11;
+ ++it11;
+ ++it11;
+ ++it11;
+ const_iterator it12 = s1.erase(it10, it11);
+ VERIFY( s1.size() == 2 );
+ VERIFY( it12 == it11 );
+ VERIFY( *it12 == *it11 );
+ VERIFY( ++it12 == s1.end() );
+
+ iterator it13 = s1.erase(s1.begin(), s1.end());
+ VERIFY( s1.size() == 0 );
+ VERIFY( it13 == s1.end() );
+ VERIFY( it13 == s1.begin() );
+}
+
+int main()
+{
+ test01();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/erase/51142.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/erase/51142.cc
new file mode 100644
index 000000000..148646042
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/erase/51142.cc
@@ -0,0 +1,38 @@
+// Copyright (C) 2011 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+//
+
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+
+#include <unordered_set>
+
+struct X
+{
+ template<typename T>
+ X(T&) {}
+};
+
+bool operator==(const X&, const X&) { return false; }
+
+// LWG 2059.
+void erasor(std::unordered_set<X>& s, X x)
+{
+ std::unordered_set<X>::iterator it = s.find(x);
+ if (it != s.end())
+ s.erase(it);
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/26132.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/26132.cc
new file mode 100644
index 000000000..afa1ddd5d
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/26132.cc
@@ -0,0 +1,57 @@
+// { dg-options "-std=gnu++0x" }
+
+// 2010-08-13 Paolo Carlini <paolo.carlini@oracle.com>
+//
+// Copyright (C) 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <unordered_set>
+#include <testsuite_hooks.h>
+
+// libstdc++/26132
+void test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ for (float lf = 1.0; lf < 101.0; lf *= 10.0)
+ for (int size = 1; size <= 6561; size *= 3)
+ {
+ std::unordered_set<int> us1;
+ typedef std::unordered_set<int>::size_type size_type;
+
+ us1.max_load_factor(10.0);
+
+ for (int i = 0; i < size; ++i)
+ us1.insert(i);
+
+ us1.max_load_factor(lf);
+
+ for (int i = 1; i <= 6561; i *= 81)
+ {
+ const size_type n = size * 81 / i;
+ us1.rehash(n);
+ VERIFY( us1.bucket_count() > us1.size() / us1.max_load_factor() );
+ VERIFY( us1.bucket_count() >= n );
+ }
+ }
+}
+
+int main()
+{
+ test01();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/dr1189.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/dr1189.cc
new file mode 100644
index 000000000..e7047dbdd
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/dr1189.cc
@@ -0,0 +1,48 @@
+// { dg-options "-std=gnu++0x" }
+// 2010-03-10 Paolo Carlini <paolo.carlini@oracle.com>
+//
+// Copyright (C) 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <unordered_set>
+#include <testsuite_hooks.h>
+
+// DR 1189. Awkward interface for changing the number of buckets
+// in an unordered associative container
+void test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::unordered_set<int> s1;
+ s1.reserve(10);
+ VERIFY( s1.bucket_count() >= 10 );
+
+ s1.reserve(100);
+ VERIFY( s1.bucket_count() >= 100 );
+
+ std::unordered_set<int> s2(100);
+ VERIFY( s2.bucket_count() >= 100 );
+
+ s2.reserve(1000);
+ VERIFY( s2.bucket_count() >= 1000 );
+}
+
+int main()
+{
+ test01();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/init-list.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/init-list.cc
new file mode 100644
index 000000000..adcd8a440
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/init-list.cc
@@ -0,0 +1,59 @@
+// Copyright (C) 2008, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+//
+
+// { dg-options "-std=gnu++0x" }
+
+#include <unordered_set>
+#include <testsuite_hooks.h>
+
+using namespace std;
+
+int test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ unordered_set<int> m({ 1, 5, 37 });
+ VERIFY(m.size() == 3);
+ VERIFY(m.count(1) == 1);
+ VERIFY(m.count(5) == 1);
+ VERIFY(m.count(37) == 1);
+ VERIFY(m.count(42) == 0);
+
+ m = { 28, 37, 102 };
+ VERIFY(m.size() == 3);
+ VERIFY(m.count(28) == 1);
+ VERIFY(m.count(37) == 1);
+ VERIFY(m.count(102) == 1);
+ VERIFY(m.count(1) == 0);
+
+ m.insert({ 42 });
+ VERIFY(m.size() == 4);
+ VERIFY(m.count(28) == 1);
+ VERIFY(m.count(37) == 1);
+ VERIFY(m.count(102) == 1);
+ VERIFY(m.count(42) == 1);
+ VERIFY(m.count(1) == 0);
+
+ return test;
+}
+
+int main()
+{
+ __gnu_test::set_memory_limits();
+ test01();
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/insert/24061-set.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/24061-set.cc
new file mode 100644
index 000000000..54add3512
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/24061-set.cc
@@ -0,0 +1,57 @@
+// { dg-options "-std=gnu++0x" }
+
+// 2010-02-10 Paolo Carlini <paolo.carlini@oracle.com>
+//
+// Copyright (C) 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <unordered_set>
+#include <string>
+#include <testsuite_hooks.h>
+
+// libstdc++/24061
+void test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ typedef std::unordered_set<std::string> Set;
+ typedef Set::iterator iterator;
+ typedef Set::const_iterator const_iterator;
+
+ Set s1;
+
+ iterator it1 = s1.insert(s1.begin(), "all the love in the world");
+ VERIFY( s1.size() == 1 );
+ VERIFY( *it1 == "all the love in the world" );
+
+ const_iterator cit1(it1);
+ const_iterator cit2 = s1.insert(cit1, "you know what you are?");
+ VERIFY( s1.size() == 2 );
+ VERIFY( cit2 != cit1 );
+ VERIFY( *cit2 == "you know what you are?" );
+
+ iterator it2 = s1.insert(it1, "all the love in the world");
+ VERIFY( s1.size() == 2 );
+ VERIFY( it2 == it1 );
+ VERIFY( *it2 == "all the love in the world" );
+}
+
+int main()
+{
+ test01();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_range.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_range.cc
new file mode 100644
index 000000000..86bd326bd
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_range.cc
@@ -0,0 +1,77 @@
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+// range insert
+
+#include <string>
+#include <iterator>
+#include <algorithm>
+#include <unordered_set>
+#include <testsuite_hooks.h>
+
+bool test __attribute__((unused)) = true;
+
+void test01()
+{
+ typedef std::unordered_set<std::string> Set;
+ Set s;
+ VERIFY(s.empty());
+
+ const int N = 10;
+ const std::string A[N] = { "red", "green", "blue", "violet", "cyan",
+ "magenta", "yellow", "orange", "pink", "gray" };
+
+ s.insert(A+0, A+N);
+ VERIFY(s.size() == static_cast<unsigned int>(N));
+ VERIFY(std::distance(s.begin(), s.end()) == N);
+
+ for (int i = 0; i < N; ++i) {
+ std::string str = A[i];
+ Set::iterator it = std::find(s.begin(), s.end(), str);
+ VERIFY(it != s.end());
+ }
+}
+
+void test02()
+{
+ typedef std::unordered_set<int> Set;
+ Set s;
+ VERIFY(s.empty());
+
+ const int N = 8;
+ const int A[N] = { 3, 7, 4, 8, 2, 4, 6, 7 };
+
+ s.insert(A+0, A+N);
+ VERIFY(s.size() == 6);
+ VERIFY(std::distance(s.begin(), s.end()) == 6);
+
+ VERIFY(std::count(s.begin(), s.end(), 2) == 1);
+ VERIFY(std::count(s.begin(), s.end(), 3) == 1);
+ VERIFY(std::count(s.begin(), s.end(), 4) == 1);
+ VERIFY(std::count(s.begin(), s.end(), 6) == 1);
+ VERIFY(std::count(s.begin(), s.end(), 7) == 1);
+ VERIFY(std::count(s.begin(), s.end(), 8) == 1);
+}
+
+int main()
+{
+ test01();
+ test02();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_single.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_single.cc
new file mode 100644
index 000000000..d1288ce42
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_single.cc
@@ -0,0 +1,65 @@
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+// Single-element insert
+
+#include <string>
+#include <iterator>
+#include <unordered_set>
+#include <testsuite_hooks.h>
+
+void test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ typedef std::unordered_set<std::string> Set;
+ Set s;
+ VERIFY(s.empty());
+
+ std::pair<Set::iterator, bool> p = s.insert("abcde");
+ VERIFY(p.second);
+ VERIFY(s.size() == 1);
+ VERIFY(std::distance(s.begin(), s.end()) == 1);
+ VERIFY(p.first == s.begin());
+ VERIFY(*p.first == "abcde");
+}
+
+void test02()
+{
+ bool test __attribute__((unused)) = true;
+
+ typedef std::unordered_set<std::string> Set;
+ Set s;
+ VERIFY(s.empty());
+
+ std::pair<Set::iterator, bool> p1 = s.insert("abcde");
+ std::pair<Set::iterator, bool> p2 = s.insert("abcde");
+ VERIFY(p1.second);
+ VERIFY(!p2.second);
+ VERIFY(s.size() == 1);
+ VERIFY(p1.first == p2.first);
+ VERIFY(*p1.first == "abcde");
+}
+
+int main()
+{
+ test01();
+ test02();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_single_move.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_single_move.cc
new file mode 100644
index 000000000..0b9ad173b
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/insert/set_single_move.cc
@@ -0,0 +1,69 @@
+// { dg-options "-std=gnu++0x" }
+
+// 2010-10-27 Paolo Carlini <paolo.carlini@oracle.com>
+//
+// Copyright (C) 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+// Single-element insert
+
+#include <iterator>
+#include <unordered_set>
+#include <testsuite_hooks.h>
+#include <testsuite_rvalref.h>
+
+void test01()
+{
+ bool test __attribute__((unused)) = true;
+ using __gnu_test::rvalstruct;
+
+ typedef std::unordered_set<rvalstruct> Set;
+ Set s;
+ VERIFY( s.empty() );
+
+ std::pair<Set::iterator, bool> p = s.insert(rvalstruct(1));
+ VERIFY( p.second );
+ VERIFY( s.size() == 1 );
+ VERIFY( std::distance(s.begin(), s.end()) == 1 );
+ VERIFY( p.first == s.begin() );
+ VERIFY( (*p.first).val == 1 );
+}
+
+void test02()
+{
+ bool test __attribute__((unused)) = true;
+ using __gnu_test::rvalstruct;
+
+ typedef std::unordered_set<rvalstruct> Set;
+ Set s;
+ VERIFY( s.empty() );
+
+ std::pair<Set::iterator, bool> p1 = s.insert(rvalstruct(2));
+ std::pair<Set::iterator, bool> p2 = s.insert(rvalstruct(2));
+ VERIFY( p1.second );
+ VERIFY( !p2.second );
+ VERIFY( s.size() == 1 );
+ VERIFY( p1.first == p2.first );
+ VERIFY( (*p1.first).val == 2 );
+}
+
+int main()
+{
+ test01();
+ test02();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/operators/1.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/operators/1.cc
new file mode 100644
index 000000000..63e726d04
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/operators/1.cc
@@ -0,0 +1,108 @@
+// { dg-options "-std=gnu++0x" }
+
+// 2010-03-25 Paolo Carlini <paolo.carlini@oracle.com>
+
+// Copyright (C) 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <unordered_set>
+#include <testsuite_hooks.h>
+
+void test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::unordered_set<int> us1, us2;
+ VERIFY( us1 == us2 );
+ VERIFY( !(us1 != us2) );
+
+ us1.insert(1);
+ us2.insert(1);
+ VERIFY( us1 == us2 );
+ VERIFY( !(us1 != us2) );
+
+ us1.insert(2);
+ us2.insert(2);
+ VERIFY( us1 == us2 );
+ VERIFY( !(us1 != us2) );
+
+ us1.insert(1);
+ us2.insert(1);
+ VERIFY( us1 == us2 );
+ VERIFY( !(us1 != us2) );
+
+ us1.insert(3);
+ VERIFY( us1 != us2 );
+ VERIFY( !(us1 == us2) );
+
+ us2.insert(3);
+ VERIFY( (us1 == us2) );
+ VERIFY( !(us1 != us2) );
+
+ us2.clear();
+ VERIFY( us1 != us2 );
+ VERIFY( !(us1 == us2) );
+
+ us1.clear();
+ VERIFY( us1 == us2 );
+ VERIFY( !(us1 != us2) );
+
+ us1.insert(1);
+ us2.insert(2);
+ VERIFY( us1 != us2 );
+ VERIFY( !(us1 == us2) );
+
+ us1.insert(2);
+ us2.insert(1);
+ VERIFY( us1 == us2 );
+ VERIFY( !(us1 != us2) );
+
+ us1.insert(3);
+ us2.insert(4);
+ VERIFY( us1 != us2 );
+ VERIFY( !(us1 == us2) );
+
+ us1.insert(4);
+ VERIFY( us1 != us2 );
+ VERIFY( !(us1 == us2) );
+
+ us2.insert(3);
+ VERIFY( us1 == us2 );
+ VERIFY( !(us1 != us2) );
+
+ us1.insert(1);
+ us2.insert(1);
+ VERIFY( us1 == us2 );
+ VERIFY( !(us1 != us2) );
+
+ us1.insert(4);
+ us2.insert(4);
+ VERIFY( us1 == us2 );
+ VERIFY( !(us1 != us2) );
+
+ const std::unordered_set<int> cus1(us1), cus2(us2);
+ VERIFY( cus1 == cus2 );
+ VERIFY( !(cus1 != cus2) );
+ VERIFY( cus1 == us2 );
+ VERIFY( !(us1 != cus2) );
+}
+
+int main()
+{
+ test01();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/operators/52309.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/operators/52309.cc
new file mode 100644
index 000000000..5b16f0b3c
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/operators/52309.cc
@@ -0,0 +1,28 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2012 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <unordered_set>
+
+// libstdc++/52309
+struct value {};
+struct hash { std::size_t operator()(const value&) const; };
+bool operator==(value const&, value const&);
+std::unordered_set<value, hash> set;
+bool z = (set == set);
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/range_access.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/range_access.cc
new file mode 100644
index 000000000..2bb738afd
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/range_access.cc
@@ -0,0 +1,31 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+// 24.6.5, range access [iterator.range]
+
+#include <unordered_set>
+
+void
+test01()
+{
+ std::unordered_set<int> us{1, 2, 3};
+ std::begin(us);
+ std::end(us);
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/citerators.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/citerators.cc
new file mode 100644
index 000000000..ce7f79fd6
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/citerators.cc
@@ -0,0 +1,30 @@
+// { dg-options "-std=gnu++0x" }
+
+// 2007-10-15 Paolo Carlini <pcarlini@suse.de>
+
+// Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <unordered_set>
+#include <testsuite_containers.h>
+
+int main()
+{
+ typedef std::unordered_set<int> test_type;
+ __gnu_test::citerator<test_type> test;
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/cliterators.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/cliterators.cc
new file mode 100644
index 000000000..8abef8c1c
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/cliterators.cc
@@ -0,0 +1,32 @@
+// { dg-options "-std=gnu++0x" }
+
+// 2007-06-11 Paolo Carlini <paolo.carlini@oracle.com>
+
+// Copyright (C) 2008, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <unordered_set>
+#include <testsuite_containers.h>
+
+int main()
+{
+ typedef std::unordered_set<int> test_type;
+ typedef typename test_type::value_type value_type;
+ value_type v(1);
+ __gnu_test::forward_members_unordered<test_type> test(v);
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/debug_container.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/debug_container.cc
new file mode 100644
index 000000000..f2405fa4b
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/debug_container.cc
@@ -0,0 +1,25 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-do compile }
+
+// Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <debug/unordered_set>
+
+using namespace __gnu_debug;
+
+template class unordered_set<int>;
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/debug_mode.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/debug_mode.cc
new file mode 100644
index 000000000..206b70437
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/debug_mode.cc
@@ -0,0 +1,30 @@
+// NB: This issue affected only debug-mode.
+
+// { dg-options "-std=gnu++0x" }
+// { dg-do compile }
+
+// Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <unordered_set>
+
+//PR libstdc++/35922
+int main()
+{
+ std::unordered_set<int> s;
+}
+
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/basic.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/basic.cc
new file mode 100644
index 000000000..6d0e3f52b
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/basic.cc
@@ -0,0 +1,42 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// 2009-11-30 Benjamin Kosnik <benjamin@redhat.com>
+
+// Copyright (C) 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <unordered_set>
+#include <exception/safety.h>
+
+void
+value()
+{
+ typedef __gnu_cxx::throw_value_limit value_type;
+ typedef __gnu_cxx::throw_allocator_limit<value_type> allocator_type;
+ typedef std::hash<value_type> hash_type;
+ typedef std::equal_to<value_type> pred_type;
+ typedef std::unordered_set<value_type, hash_type, pred_type, allocator_type> test_type;
+ __gnu_test::basic_safety<test_type> test;
+}
+
+// Container requirement testing, exceptional behavior
+int main()
+{
+ value();
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/generation_prohibited.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/generation_prohibited.cc
new file mode 100644
index 000000000..0841cf013
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/generation_prohibited.cc
@@ -0,0 +1,36 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// 2009-09-09 Benjamin Kosnik <benjamin@redhat.com>
+
+// Copyright (C) 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <unordered_set>
+#include <exception/safety.h>
+
+// Container requirement testing, exceptional behavior
+int main()
+{
+ typedef __gnu_cxx::throw_value_random value_type;
+ typedef __gnu_cxx::throw_allocator_random<value_type> allocator_type;
+ typedef std::hash<value_type> hash_type;
+ typedef std::equal_to<value_type> pred_type;
+ typedef std::unordered_set<value_type, hash_type, pred_type, allocator_type> test_type;
+ __gnu_test::generation_prohibited<test_type> test;
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/propagation_consistent.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/propagation_consistent.cc
new file mode 100644
index 000000000..ab1d74d03
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/exception/propagation_consistent.cc
@@ -0,0 +1,36 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// 2009-09-09 Benjamin Kosnik <benjamin@redhat.com>
+
+// Copyright (C) 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <unordered_set>
+#include <exception/safety.h>
+
+// Container requirement testing, exceptional behavior
+int main()
+{
+ typedef __gnu_cxx::throw_value_limit value_type;
+ typedef __gnu_cxx::throw_allocator_limit<value_type> allocator_type;
+ typedef std::hash<value_type> hash_type;
+ typedef std::equal_to<value_type> pred_type;
+ typedef std::unordered_set<value_type, hash_type, pred_type, allocator_type> test_type;
+ __gnu_test::propagation_consistent<test_type> test;
+ return 0;
+}
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/1.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/1.cc
new file mode 100644
index 000000000..10d0bf566
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/1.cc
@@ -0,0 +1,23 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-do compile }
+
+// Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <unordered_set>
+
+template class std::unordered_set<int>;
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/2.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/2.cc
new file mode 100644
index 000000000..e22760460
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/2.cc
@@ -0,0 +1,29 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-do compile }
+
+// Copyright (C) 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+// This file tests explicit instantiation of library containers
+
+#include <unordered_set>
+#include <testsuite_hooks.h>
+#include <testsuite_api.h>
+
+typedef __gnu_test::NonDefaultConstructible inst_type;
+typedef __gnu_test::NonDefaultConstructible_hash hash_type;
+template class std::unordered_set<inst_type, hash_type>;
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/3.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/3.cc
new file mode 100644
index 000000000..7d84ffd7f
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/3.cc
@@ -0,0 +1,24 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-do compile }
+
+// Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <unordered_set>
+
+using namespace std;
+template class unordered_set<int, hash<int>, equal_to<int>, allocator<char>>;
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/4.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/4.cc
new file mode 100644
index 000000000..3f619b71c
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/explicit_instantiation/4.cc
@@ -0,0 +1,33 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-do compile }
+
+// 2010-05-20 Paolo Carlini <paolo.carlini@oracle.com>
+//
+// Copyright (C) 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+// This file tests explicit instantiation of library containers
+
+#include <unordered_set>
+#include <testsuite_hooks.h>
+#include <testsuite_api.h>
+
+typedef __gnu_test::OverloadedAddress inst_type;
+typedef __gnu_test::OverloadedAddress_hash hash_type;
+
+// libstdc++/41792
+template class std::unordered_set<inst_type, hash_type>;
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/typedefs.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/typedefs.cc
new file mode 100644
index 000000000..86983e5a6
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/requirements/typedefs.cc
@@ -0,0 +1,25 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-do compile }
+
+// Copyright (C) 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <testsuite_containers.h>
+#include <unordered_set>
+
+// Check container for required typedefs.
+__gnu_test::types<std::unordered_set<int> > t;