1 files changed, 77 insertions, 0 deletions
diff --git a/libcxx/test/std/strings/basic.string/string.ops/string_compare/string.pass.cpp b/libcxx/test/std/strings/basic.string/string.ops/string_compare/string.pass.cpp
new file mode 100644
index 00000000000..7de95a8cda5
--- /dev/null
+++ b/libcxx/test/std/strings/basic.string/string.ops/string_compare/string.pass.cpp
@@ -0,0 +1,77 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <string>
+
+// int compare(const basic_string& str) const
+
+#include <string>
+#include <cassert>
+
+#include "min_allocator.h"
+
+int sign(int x)
+{
+    if (x == 0)
+        return 0;
+    if (x < 0)
+        return -1;
+    return 1;
+}
+
+template <class S>
+void
+test(const S& s, const S& str, int x)
+{
+    assert(sign(s.compare(str)) == sign(x));
+}
+
+int main()
+{
+    {
+    typedef std::string S;
+    test(S(""), S(""), 0);
+    test(S(""), S("abcde"), -5);
+    test(S(""), S("abcdefghij"), -10);
+    test(S(""), S("abcdefghijklmnopqrst"), -20);
+    test(S("abcde"), S(""), 5);
+    test(S("abcde"), S("abcde"), 0);
+    test(S("abcde"), S("abcdefghij"), -5);
+    test(S("abcde"), S("abcdefghijklmnopqrst"), -15);
+    test(S("abcdefghij"), S(""), 10);
+    test(S("abcdefghij"), S("abcde"), 5);
+    test(S("abcdefghij"), S("abcdefghij"), 0);
+    test(S("abcdefghij"), S("abcdefghijklmnopqrst"), -10);
+    test(S("abcdefghijklmnopqrst"), S(""), 20);
+    test(S("abcdefghijklmnopqrst"), S("abcde"), 15);
+    test(S("abcdefghijklmnopqrst"), S("abcdefghij"), 10);
+    test(S("abcdefghijklmnopqrst"), S("abcdefghijklmnopqrst"), 0);
+    }
+#if __cplusplus >= 201103L
+    {
+    typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
+    test(S(""), S(""), 0);
+    test(S(""), S("abcde"), -5);
+    test(S(""), S("abcdefghij"), -10);
+    test(S(""), S("abcdefghijklmnopqrst"), -20);
+    test(S("abcde"), S(""), 5);
+    test(S("abcde"), S("abcde"), 0);
+    test(S("abcde"), S("abcdefghij"), -5);
+    test(S("abcde"), S("abcdefghijklmnopqrst"), -15);
+    test(S("abcdefghij"), S(""), 10);
+    test(S("abcdefghij"), S("abcde"), 5);
+    test(S("abcdefghij"), S("abcdefghij"), 0);
+    test(S("abcdefghij"), S("abcdefghijklmnopqrst"), -10);
+    test(S("abcdefghijklmnopqrst"), S(""), 20);
+    test(S("abcdefghijklmnopqrst"), S("abcde"), 15);
+    test(S("abcdefghijklmnopqrst"), S("abcdefghij"), 10);
+    test(S("abcdefghijklmnopqrst"), S("abcdefghijklmnopqrst"), 0);
+    }
+#endif
+}