libcxx initial import

llvm-svn: 103490

1 files changed, 69 insertions, 0 deletions

diff --git a/libcxx/test/strings/basic.string/string.cons/pointer_alloc.pass.cpp b/libcxx/test/strings/basic.string/string.cons/pointer_alloc.pass.cpp
new file mode 100644
index 00000000000..517e5f6f215
--- /dev/null
+++ b/libcxx/test/strings/basic.string/string.cons/pointer_alloc.pass.cpp
@@ -0,0 +1,69 @@
+//===----------------------------------------------------------------------===//
+//
+// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <string>
+
+// basic_string(const charT* s, const Allocator& a = Allocator());
+
+#include <string>
+#include <stdexcept>
+#include <algorithm>
+#include <cassert>
+
+#include "../test_allocator.h"
+
+template <class charT>
+void
+test(const charT* s)
+{
+    typedef std::basic_string<charT, std::char_traits<charT>, test_allocator<charT> > S;
+    typedef typename S::traits_type T;
+    typedef typename S::allocator_type A;
+    unsigned n = T::length(s);
+    S s2(s);
+    assert(s2.__invariants());
+    assert(s2.size() == n);
+    assert(T::compare(s2.data(), s, n) == 0);
+    assert(s2.get_allocator() == A());
+    assert(s2.capacity() >= s2.size());
+}
+
+template <class charT>
+void
+test(const charT* s, const test_allocator<charT>& a)
+{
+    typedef std::basic_string<charT, std::char_traits<charT>, test_allocator<charT> > S;
+    typedef typename S::traits_type T;
+    typedef typename S::allocator_type A;
+    unsigned n = T::length(s);
+    S s2(s, a);
+    assert(s2.__invariants());
+    assert(s2.size() == n);
+    assert(T::compare(s2.data(), s, n) == 0);
+    assert(s2.get_allocator() == a);
+    assert(s2.capacity() >= s2.size());
+}
+
+int main()
+{
+    typedef test_allocator<char> A;
+    typedef std::basic_string<char, std::char_traits<char>, A> S;
+
+    test("");
+    test("", A(2));
+
+    test("1");
+    test("1", A(2));
+
+    test("1234567980");
+    test("1234567980", A(2));
+
+    test("123456798012345679801234567980123456798012345679801234567980");
+    test("123456798012345679801234567980123456798012345679801234567980", A(2));
+}