From 2645a49a67cd23f82f3a431adeb4488ff7a53d55 Mon Sep 17 00:00:00 2001
From: Marshall Clow <mclow.lists@gmail.com>
Date: Wed, 15 Nov 2017 05:25:36 +0000
Subject: [PATCH] Still more missing tests - this time for the unordered
 containers

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@318268 91177308-0d34-0410-b5e6-96231b3b80d8
---
 .../containers/unord/unord.map/empty.pass.cpp | 46 ++++++++++++++
 .../containers/unord/unord.map/size.pass.cpp  | 62 +++++++++++++++++++
 .../unord/unord.multimap/empty.pass.cpp       | 46 ++++++++++++++
 .../unord/unord.multimap/size.pass.cpp        | 62 +++++++++++++++++++
 .../unord/unord.multiset/empty.pass.cpp       | 46 ++++++++++++++
 .../unord/unord.multiset/size.pass.cpp        | 62 +++++++++++++++++++
 .../containers/unord/unord.set/empty.pass.cpp | 46 ++++++++++++++
 .../containers/unord/unord.set/size.pass.cpp  | 62 +++++++++++++++++++
 8 files changed, 432 insertions(+)
 create mode 100644 test/std/containers/unord/unord.map/empty.pass.cpp
 create mode 100644 test/std/containers/unord/unord.map/size.pass.cpp
 create mode 100644 test/std/containers/unord/unord.multimap/empty.pass.cpp
 create mode 100644 test/std/containers/unord/unord.multimap/size.pass.cpp
 create mode 100644 test/std/containers/unord/unord.multiset/empty.pass.cpp
 create mode 100644 test/std/containers/unord/unord.multiset/size.pass.cpp
 create mode 100644 test/std/containers/unord/unord.set/empty.pass.cpp
 create mode 100644 test/std/containers/unord/unord.set/size.pass.cpp

diff --git a/test/std/containers/unord/unord.map/empty.pass.cpp b/test/std/containers/unord/unord.map/empty.pass.cpp
new file mode 100644
index 000000000..4488b20b3
--- /dev/null
+++ b/test/std/containers/unord/unord.map/empty.pass.cpp
@@ -0,0 +1,46 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <unordered_map>
+
+// class unordered_map
+
+// bool empty() const noexcept;
+
+#include <unordered_map>
+#include <cassert>
+
+#include "test_macros.h"
+#include "min_allocator.h"
+
+int main()
+{
+    {
+    typedef std::unordered_map<int, double> M;
+    M m;
+    ASSERT_NOEXCEPT(m.empty());
+    assert(m.empty());
+    m.insert(M::value_type(1, 1.5));
+    assert(!m.empty());
+    m.clear();
+    assert(m.empty());
+    }
+#if TEST_STD_VER >= 11
+    {
+    typedef std::unordered_map<int, double, std::hash<int>, std::equal_to<int>, min_allocator<std::pair<const int, double>>> M;
+    M m;
+    ASSERT_NOEXCEPT(m.empty());
+    assert(m.empty());
+    m.insert(M::value_type(1, 1.5));
+    assert(!m.empty());
+    m.clear();
+    assert(m.empty());
+    }
+#endif
+}
diff --git a/test/std/containers/unord/unord.map/size.pass.cpp b/test/std/containers/unord/unord.map/size.pass.cpp
new file mode 100644
index 000000000..5bf75648f
--- /dev/null
+++ b/test/std/containers/unord/unord.map/size.pass.cpp
@@ -0,0 +1,62 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <unordered_map>
+
+// class unordered_map
+
+// size_type size() const noexcept;
+
+#include <unordered_map>
+#include <cassert>
+
+#include "test_macros.h"
+#include "min_allocator.h"
+
+int main()
+{
+    {
+    typedef std::unordered_map<int, double> M;
+    M m;
+    ASSERT_NOEXCEPT(m.size());
+    assert(m.size() == 0);
+    m.insert(M::value_type(2, 1.5));
+    assert(m.size() == 1);
+    m.insert(M::value_type(1, 1.5));
+    assert(m.size() == 2);
+    m.insert(M::value_type(3, 1.5));
+    assert(m.size() == 3);
+    m.erase(m.begin());
+    assert(m.size() == 2);
+    m.erase(m.begin());
+    assert(m.size() == 1);
+    m.erase(m.begin());
+    assert(m.size() == 0);
+    }
+#if TEST_STD_VER >= 11
+    {
+    typedef std::unordered_map<int, double, std::hash<int>, std::equal_to<int>, min_allocator<std::pair<const int, double>>> M;
+    M m;
+    ASSERT_NOEXCEPT(m.size());
+    assert(m.size() == 0);
+    m.insert(M::value_type(2, 1.5));
+    assert(m.size() == 1);
+    m.insert(M::value_type(1, 1.5));
+    assert(m.size() == 2);
+    m.insert(M::value_type(3, 1.5));
+    assert(m.size() == 3);
+    m.erase(m.begin());
+    assert(m.size() == 2);
+    m.erase(m.begin());
+    assert(m.size() == 1);
+    m.erase(m.begin());
+    assert(m.size() == 0);
+    }
+#endif
+}
diff --git a/test/std/containers/unord/unord.multimap/empty.pass.cpp b/test/std/containers/unord/unord.multimap/empty.pass.cpp
new file mode 100644
index 000000000..68405f229
--- /dev/null
+++ b/test/std/containers/unord/unord.multimap/empty.pass.cpp
@@ -0,0 +1,46 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <unordered_map>
+
+// class unordered_multimap
+
+// bool empty() const noexcept;
+
+#include <unordered_map>
+#include <cassert>
+
+#include "test_macros.h"
+#include "min_allocator.h"
+
+int main()
+{
+    {
+    typedef std::unordered_multimap<int, double> M;
+    M m;
+    ASSERT_NOEXCEPT(m.empty());
+    assert(m.empty());
+    m.insert(M::value_type(1, 1.5));
+    assert(!m.empty());
+    m.clear();
+    assert(m.empty());
+    }
+#if TEST_STD_VER >= 11
+    {
+    typedef std::unordered_multimap<int, double, std::hash<int>, std::equal_to<int>, min_allocator<std::pair<const int, double>>> M;
+    M m;
+    ASSERT_NOEXCEPT(m.empty());
+    assert(m.empty());
+    m.insert(M::value_type(1, 1.5));
+    assert(!m.empty());
+    m.clear();
+    assert(m.empty());
+    }
+#endif
+}
diff --git a/test/std/containers/unord/unord.multimap/size.pass.cpp b/test/std/containers/unord/unord.multimap/size.pass.cpp
new file mode 100644
index 000000000..b12966240
--- /dev/null
+++ b/test/std/containers/unord/unord.multimap/size.pass.cpp
@@ -0,0 +1,62 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <unordered_map>
+
+// class unordered_multimap
+
+// size_type size() const noexcept;
+
+#include <unordered_map>
+#include <cassert>
+
+#include "test_macros.h"
+#include "min_allocator.h"
+
+int main()
+{
+    {
+    typedef std::unordered_multimap<int, double> M;
+    M m;
+    ASSERT_NOEXCEPT(m.size());
+    assert(m.size() == 0);
+    m.insert(M::value_type(2, 1.5));
+    assert(m.size() == 1);
+    m.insert(M::value_type(1, 1.5));
+    assert(m.size() == 2);
+    m.insert(M::value_type(3, 1.5));
+    assert(m.size() == 3);
+    m.erase(m.begin());
+    assert(m.size() == 2);
+    m.erase(m.begin());
+    assert(m.size() == 1);
+    m.erase(m.begin());
+    assert(m.size() == 0);
+    }
+#if TEST_STD_VER >= 11
+    {
+    typedef std::unordered_multimap<int, double, std::hash<int>, std::equal_to<int>, min_allocator<std::pair<const int, double>>> M;
+    M m;
+    ASSERT_NOEXCEPT(m.size());
+    assert(m.size() == 0);
+    m.insert(M::value_type(2, 1.5));
+    assert(m.size() == 1);
+    m.insert(M::value_type(1, 1.5));
+    assert(m.size() == 2);
+    m.insert(M::value_type(3, 1.5));
+    assert(m.size() == 3);
+    m.erase(m.begin());
+    assert(m.size() == 2);
+    m.erase(m.begin());
+    assert(m.size() == 1);
+    m.erase(m.begin());
+    assert(m.size() == 0);
+    }
+#endif
+}
diff --git a/test/std/containers/unord/unord.multiset/empty.pass.cpp b/test/std/containers/unord/unord.multiset/empty.pass.cpp
new file mode 100644
index 000000000..8c65bc23b
--- /dev/null
+++ b/test/std/containers/unord/unord.multiset/empty.pass.cpp
@@ -0,0 +1,46 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <unordered_set>
+
+// class unordered_multiset
+
+// bool empty() const noexcept;
+
+#include <unordered_set>
+#include <cassert>
+
+#include "test_macros.h"
+#include "min_allocator.h"
+
+int main()
+{
+    {
+    typedef std::unordered_multiset<int> M;
+    M m;
+    ASSERT_NOEXCEPT(m.empty());
+    assert(m.empty());
+    m.insert(M::value_type(1));
+    assert(!m.empty());
+    m.clear();
+    assert(m.empty());
+    }
+#if TEST_STD_VER >= 11
+    {
+    typedef std::unordered_multiset<int, std::hash<int>, std::equal_to<int>, min_allocator<int>> M;
+    M m;
+    ASSERT_NOEXCEPT(m.empty());
+    assert(m.empty());
+    m.insert(M::value_type(1));
+    assert(!m.empty());
+    m.clear();
+    assert(m.empty());
+    }
+#endif
+}
diff --git a/test/std/containers/unord/unord.multiset/size.pass.cpp b/test/std/containers/unord/unord.multiset/size.pass.cpp
new file mode 100644
index 000000000..2c23202ce
--- /dev/null
+++ b/test/std/containers/unord/unord.multiset/size.pass.cpp
@@ -0,0 +1,62 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <unordered_set>
+
+// class unordered_multiset
+
+// size_type size() const noexcept;
+
+#include <unordered_set>
+#include <cassert>
+
+#include "test_macros.h"
+#include "min_allocator.h"
+
+int main()
+{
+    {
+    typedef std::unordered_multiset<int> M;
+    M m;
+    ASSERT_NOEXCEPT(m.size());
+    assert(m.size() == 0);
+    m.insert(M::value_type(2));
+    assert(m.size() == 1);
+    m.insert(M::value_type(1));
+    assert(m.size() == 2);
+    m.insert(M::value_type(3));
+    assert(m.size() == 3);
+    m.erase(m.begin());
+    assert(m.size() == 2);
+    m.erase(m.begin());
+    assert(m.size() == 1);
+    m.erase(m.begin());
+    assert(m.size() == 0);
+    }
+#if TEST_STD_VER >= 11
+    {
+    typedef std::unordered_multiset<int, std::hash<int>, std::equal_to<int>, min_allocator<int>> M;
+    M m;
+    ASSERT_NOEXCEPT(m.size());
+    assert(m.size() == 0);
+    m.insert(M::value_type(2));
+    assert(m.size() == 1);
+    m.insert(M::value_type(1));
+    assert(m.size() == 2);
+    m.insert(M::value_type(3));
+    assert(m.size() == 3);
+    m.erase(m.begin());
+    assert(m.size() == 2);
+    m.erase(m.begin());
+    assert(m.size() == 1);
+    m.erase(m.begin());
+    assert(m.size() == 0);
+    }
+#endif
+}
diff --git a/test/std/containers/unord/unord.set/empty.pass.cpp b/test/std/containers/unord/unord.set/empty.pass.cpp
new file mode 100644
index 000000000..de28cb256
--- /dev/null
+++ b/test/std/containers/unord/unord.set/empty.pass.cpp
@@ -0,0 +1,46 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <unordered_set>
+
+// class unordered_set
+
+// bool empty() const noexcept;
+
+#include <unordered_set>
+#include <cassert>
+
+#include "test_macros.h"
+#include "min_allocator.h"
+
+int main()
+{
+    {
+    typedef std::unordered_set<int> M;
+    M m;
+    ASSERT_NOEXCEPT(m.empty());
+    assert(m.empty());
+    m.insert(M::value_type(1));
+    assert(!m.empty());
+    m.clear();
+    assert(m.empty());
+    }
+#if TEST_STD_VER >= 11
+    {
+    typedef std::unordered_set<int, std::hash<int>, std::equal_to<int>, min_allocator<int>> M;
+    M m;
+    ASSERT_NOEXCEPT(m.empty());
+    assert(m.empty());
+    m.insert(M::value_type(1));
+    assert(!m.empty());
+    m.clear();
+    assert(m.empty());
+    }
+#endif
+}
diff --git a/test/std/containers/unord/unord.set/size.pass.cpp b/test/std/containers/unord/unord.set/size.pass.cpp
new file mode 100644
index 000000000..c127ddf26
--- /dev/null
+++ b/test/std/containers/unord/unord.set/size.pass.cpp
@@ -0,0 +1,62 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <unordered_set>
+
+// class unordered_set
+
+// size_type size() const noexcept;
+
+#include <unordered_set>
+#include <cassert>
+
+#include "test_macros.h"
+#include "min_allocator.h"
+
+int main()
+{
+    {
+    typedef std::unordered_set<int> M;
+    M m;
+    ASSERT_NOEXCEPT(m.size());
+    assert(m.size() == 0);
+    m.insert(M::value_type(2));
+    assert(m.size() == 1);
+    m.insert(M::value_type(1));
+    assert(m.size() == 2);
+    m.insert(M::value_type(3));
+    assert(m.size() == 3);
+    m.erase(m.begin());
+    assert(m.size() == 2);
+    m.erase(m.begin());
+    assert(m.size() == 1);
+    m.erase(m.begin());
+    assert(m.size() == 0);
+    }
+#if TEST_STD_VER >= 11
+    {
+    typedef std::unordered_set<int, std::hash<int>, std::equal_to<int>, min_allocator<int>> M;
+    M m;
+    ASSERT_NOEXCEPT(m.size());
+    assert(m.size() == 0);
+    m.insert(M::value_type(2));
+    assert(m.size() == 1);
+    m.insert(M::value_type(1));
+    assert(m.size() == 2);
+    m.insert(M::value_type(3));
+    assert(m.size() == 3);
+    m.erase(m.begin());
+    assert(m.size() == 2);
+    m.erase(m.begin());
+    assert(m.size() == 1);
+    m.erase(m.begin());
+    assert(m.size() == 0);
+    }
+#endif
+}