vendor/libc++/libc++-release_370-r246257

5 files changed, 143 insertions, 0 deletions

diff --git a/test/std/utilities/function.objects/refwrap/refwrap.helpers/cref_1.pass.cpp b/test/std/utilities/function.objects/refwrap/refwrap.helpers/cref_1.pass.cpp
new file mode 100644
index 0000000000000..f2ffd44e26b7c
--- /dev/null
+++ b/test/std/utilities/function.objects/refwrap/refwrap.helpers/cref_1.pass.cpp
@@ -0,0 +1,24 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <functional>
+
+// reference_wrapper
+
+// template <ObjectType T> reference_wrapper<const T> cref(const T& t);
+
+#include <functional>
+#include <cassert>
+
+int main()
+{
+    int i = 0;
+    std::reference_wrapper<const int> r = std::cref(i);
+    assert(&r.get() == &i);
+}
diff --git a/test/std/utilities/function.objects/refwrap/refwrap.helpers/cref_2.pass.cpp b/test/std/utilities/function.objects/refwrap/refwrap.helpers/cref_2.pass.cpp
new file mode 100644
index 0000000000000..75875264479a5
--- /dev/null
+++ b/test/std/utilities/function.objects/refwrap/refwrap.helpers/cref_2.pass.cpp
@@ -0,0 +1,25 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <functional>
+
+// reference_wrapper
+
+// template <ObjectType T> reference_wrapper<const T> cref(reference_wrapper<T> t);
+
+#include <functional>
+#include <cassert>
+
+int main()
+{
+    const int i = 0;
+    std::reference_wrapper<const int> r1 = std::cref(i);
+    std::reference_wrapper<const int> r2 = std::cref(r1);
+    assert(&r2.get() == &i);
+}
diff --git a/test/std/utilities/function.objects/refwrap/refwrap.helpers/ref_1.fail.cpp b/test/std/utilities/function.objects/refwrap/refwrap.helpers/ref_1.fail.cpp
new file mode 100644
index 0000000000000..86a5696f48cad
--- /dev/null
+++ b/test/std/utilities/function.objects/refwrap/refwrap.helpers/ref_1.fail.cpp
@@ -0,0 +1,27 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <functional>
+
+// reference_wrapper
+
+// template <ObjectType T> reference_wrapper<T> ref(T& t);
+
+// Don't allow binding to a temp
+
+#include <functional>
+
+struct A {};
+
+const A source() {return A();}
+
+int main()
+{
+    std::reference_wrapper<const A> r = std::ref(source());
+}
diff --git a/test/std/utilities/function.objects/refwrap/refwrap.helpers/ref_1.pass.cpp b/test/std/utilities/function.objects/refwrap/refwrap.helpers/ref_1.pass.cpp
new file mode 100644
index 0000000000000..39aa4843a710a
--- /dev/null
+++ b/test/std/utilities/function.objects/refwrap/refwrap.helpers/ref_1.pass.cpp
@@ -0,0 +1,24 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <functional>
+
+// reference_wrapper
+
+// template <ObjectType T> reference_wrapper<T> ref(T& t);
+
+#include <functional>
+#include <cassert>
+
+int main()
+{
+    int i = 0;
+    std::reference_wrapper<int> r = std::ref(i);
+    assert(&r.get() == &i);
+}
diff --git a/test/std/utilities/function.objects/refwrap/refwrap.helpers/ref_2.pass.cpp b/test/std/utilities/function.objects/refwrap/refwrap.helpers/ref_2.pass.cpp
new file mode 100644
index 0000000000000..4033e676f018f
--- /dev/null
+++ b/test/std/utilities/function.objects/refwrap/refwrap.helpers/ref_2.pass.cpp
@@ -0,0 +1,43 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <functional>
+
+// reference_wrapper
+
+// template <ObjectType T> reference_wrapper<T> ref(reference_wrapper<T>t);
+
+#include <functional>
+#include <cassert>
+
+#include "counting_predicates.hpp"
+
+bool is5 ( int i ) { return i == 5; }
+
+template <typename T>
+bool call_pred ( T pred ) { return pred(5); }
+
+int main()
+{
+    {
+    int i = 0;
+    std::reference_wrapper<int> r1 = std::ref(i);
+    std::reference_wrapper<int> r2 = std::ref(r1);
+    assert(&r2.get() == &i);
+    }
+    {
+    unary_counting_predicate<bool(*)(int), int> cp(is5);
+    assert(!cp(6));
+    assert(cp.count() == 1);
+    assert(call_pred(cp));
+    assert(cp.count() == 1);
+    assert(call_pred(std::ref(cp)));
+    assert(cp.count() == 2);
+    }
+}