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

4 files changed, 337 insertions, 0 deletions

diff --git a/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.create/allocate_shared.pass.cpp b/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.create/allocate_shared.pass.cpp
new file mode 100644
index 0000000000000..aa77dab51515f
--- /dev/null
+++ b/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.create/allocate_shared.pass.cpp
@@ -0,0 +1,78 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <memory>
+
+// shared_ptr
+
+// template<class T, class A, class... Args>
+//    shared_ptr<T> allocate_shared(const A& a, Args&&... args);
+
+#include <memory>
+#include <new>
+#include <cstdlib>
+#include <cassert>
+#include "test_allocator.h"
+#include "min_allocator.h"
+
+int new_count = 0;
+
+struct A
+{
+    static int count;
+
+    A(int i, char c) : int_(i), char_(c) {++count;}
+    A(const A& a)
+        : int_(a.int_), char_(a.char_)
+        {++count;}
+    ~A() {--count;}
+
+    int get_int() const {return int_;}
+    char get_char() const {return char_;}
+private:
+    int int_;
+    char char_;
+};
+
+int A::count = 0;
+
+int main()
+{
+    {
+    int i = 67;
+    char c = 'e';
+    std::shared_ptr<A> p = std::allocate_shared<A>(test_allocator<A>(54), i, c);
+    assert(test_allocator<A>::alloc_count == 1);
+    assert(A::count == 1);
+    assert(p->get_int() == 67);
+    assert(p->get_char() == 'e');
+    }
+    assert(A::count == 0);
+    assert(test_allocator<A>::alloc_count == 0);
+#if __cplusplus >= 201103L
+    {
+    int i = 67;
+    char c = 'e';
+    std::shared_ptr<A> p = std::allocate_shared<A>(min_allocator<void>(), i, c);
+    assert(A::count == 1);
+    assert(p->get_int() == 67);
+    assert(p->get_char() == 'e');
+    }
+    assert(A::count == 0);
+    {
+    int i = 68;
+    char c = 'f';
+    std::shared_ptr<A> p = std::allocate_shared<A>(bare_allocator<void>(), i, c);
+    assert(A::count == 1);
+    assert(p->get_int() == 68);
+    assert(p->get_char() == 'f');
+    }
+    assert(A::count == 0);
+#endif
+}
diff --git a/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.create/allocate_shared_no_variadics.pass.cpp b/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.create/allocate_shared_no_variadics.pass.cpp
new file mode 100644
index 0000000000000..8dcd50e494110
--- /dev/null
+++ b/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.create/allocate_shared_no_variadics.pass.cpp
@@ -0,0 +1,118 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <memory>
+
+// shared_ptr
+
+// template<class T, class A, class... Args>
+//    shared_ptr<T> allocate_shared(const A& a, Args&&... args);
+
+#define _LIBCPP_HAS_NO_VARIADICS
+#include <memory>
+#include <new>
+#include <cstdlib>
+#include <cassert>
+#include "test_allocator.h"
+#include "min_allocator.h"
+
+struct Zero
+{
+    static int count;
+    Zero() {++count;}
+    Zero(Zero const &) {++count;}
+    ~Zero() {--count;}
+};
+
+int Zero::count = 0;
+
+struct One
+{
+    static int count;
+    int value;
+    explicit One(int v) : value(v) {++count;}
+    One(One const & o) : value(o.value) {++count;}
+    ~One() {--count;}
+};
+
+int One::count = 0;
+
+
+struct Two
+{
+    static int count;
+    int value;
+    Two(int v, int) : value(v) {++count;}
+    Two(Two const & o) : value(o.value) {++count;}
+    ~Two() {--count;}
+};
+
+int Two::count = 0;
+
+struct Three
+{
+    static int count;
+    int value;
+    Three(int v, int, int) : value(v) {++count;}
+    Three(Three const & o) : value(o.value) {++count;}
+    ~Three() {--count;}
+};
+
+int Three::count = 0;
+
+template <class Alloc>
+void test()
+{
+    int const bad = -1;
+    {
+    std::shared_ptr<Zero> p = std::allocate_shared<Zero>(Alloc());
+    assert(Zero::count == 1);
+    }
+    assert(Zero::count == 0);
+    {
+    int const i = 42;
+    std::shared_ptr<One> p = std::allocate_shared<One>(Alloc(), i);
+    assert(One::count == 1);
+    assert(p->value == i);
+    }
+    assert(One::count == 0);
+    {
+    int const i = 42;
+    std::shared_ptr<Two> p = std::allocate_shared<Two>(Alloc(), i, bad);
+    assert(Two::count == 1);
+    assert(p->value == i);
+    }
+    assert(Two::count == 0);
+    {
+    int const i = 42;
+    std::shared_ptr<Three> p = std::allocate_shared<Three>(Alloc(), i, bad, bad);
+    assert(Three::count == 1);
+    assert(p->value == i);
+    }
+    assert(Three::count == 0);
+}
+
+int main()
+{
+    {
+    int i = 67;
+    int const bad = -1;
+    std::shared_ptr<Two> p = std::allocate_shared<Two>(test_allocator<Two>(54), i, bad);
+    assert(test_allocator<Two>::alloc_count == 1);
+    assert(Two::count == 1);
+    assert(p->value == 67);
+    }
+    assert(Two::count == 0);
+    assert(test_allocator<Two>::alloc_count == 0);
+
+    test<bare_allocator<void> >();
+#if __cplusplus >= 201103L
+    test<min_allocator<void> >();
+#endif
+}
diff --git a/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.create/make_shared.pass.cpp b/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.create/make_shared.pass.cpp
new file mode 100644
index 0000000000000..8cb972b0c1a14
--- /dev/null
+++ b/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.create/make_shared.pass.cpp
@@ -0,0 +1,80 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <memory>
+
+// shared_ptr
+
+// template<class T, class... Args> shared_ptr<T> make_shared(Args&&... args);
+
+#include <memory>
+#include <cassert>
+
+#include "count_new.hpp"
+
+struct A
+{
+    static int count;
+
+    A(int i, char c) : int_(i), char_(c) {++count;}
+    A(const A& a)
+        : int_(a.int_), char_(a.char_)
+        {++count;}
+    ~A() {--count;}
+
+    int get_int() const {return int_;}
+    char get_char() const {return char_;}
+private:
+    int int_;
+    char char_;
+};
+
+int A::count = 0;
+
+
+struct Foo
+{
+    Foo() = default;
+    virtual ~Foo() = default;
+};
+
+
+int main()
+{
+    int nc = globalMemCounter.outstanding_new;
+    {
+    int i = 67;
+    char c = 'e';
+    std::shared_ptr<A> p = std::make_shared<A>(i, c);
+    assert(globalMemCounter.checkOutstandingNewEq(nc+1));
+    assert(A::count == 1);
+    assert(p->get_int() == 67);
+    assert(p->get_char() == 'e');
+    }
+
+    { // https://llvm.org/bugs/show_bug.cgi?id=24137
+    std::shared_ptr<Foo> p1       = std::make_shared<Foo>();
+    assert(p1.get());
+    std::shared_ptr<const Foo> p2 = std::make_shared<const Foo>();
+    assert(p2.get());
+    }
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    nc = globalMemCounter.outstanding_new;
+    {
+    char c = 'e';
+    std::shared_ptr<A> p = std::make_shared<A>(67, c);
+    assert(globalMemCounter.checkOutstandingNewEq(nc+1));
+    assert(A::count == 1);
+    assert(p->get_int() == 67);
+    assert(p->get_char() == 'e');
+    }
+#endif
+    assert(A::count == 0);
+}
diff --git a/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.create/make_shared.volatile.pass.cpp b/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.create/make_shared.volatile.pass.cpp
new file mode 100644
index 0000000000000..1045f9347b381
--- /dev/null
+++ b/test/std/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.create/make_shared.volatile.pass.cpp
@@ -0,0 +1,61 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <memory>
+
+// shared_ptr
+
+// template<class T, class... Args> shared_ptr<T> make_shared(Args&&... args);
+
+#include <memory>
+#include <cassert>
+
+template <typename T>
+void test(const T &t0)
+{
+    {
+    T t1 = t0;
+    std::shared_ptr<T> p0 = std::make_shared<T>(t0);
+    std::shared_ptr<T> p1 = std::make_shared<T>(t1);
+    assert(*p0 == t0);
+    assert(*p1 == t1);
+    }
+
+    {
+    const T t1 = t0;
+    std::shared_ptr<const T> p0 = std::make_shared<const T>(t0);
+    std::shared_ptr<const T> p1 = std::make_shared<const T>(t1);
+    assert(*p0 == t0);
+    assert(*p1 == t1);
+    }
+    
+    {
+    volatile T t1 = t0;
+    std::shared_ptr<volatile T> p0 = std::make_shared<volatile T>(t0);
+    std::shared_ptr<volatile T> p1 = std::make_shared<volatile T>(t1);
+    assert(*p0 == t0);
+    assert(*p1 == t1);
+    }
+
+    {
+    const volatile T t1 = t0;
+    std::shared_ptr<const volatile T> p0 = std::make_shared<const volatile T>(t0);
+    std::shared_ptr<const volatile T> p1 = std::make_shared<const volatile T>(t1);
+    assert(*p0 == t0);
+    assert(*p1 == t1);
+    }
+    
+}
+
+int main()
+{
+    test<bool>(true);
+    test<int>(3);
+    test<double>(5.0);
+}