From 53a420fba21cf1644972b34dcd811a43cdb8368d Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Mon, 2 Jan 2017 19:18:58 +0000
Subject: Vendor import of libc++ trunk r290819:
 https://llvm.org/svn/llvm-project/libcxx/trunk@290819

---
 .../string.ops/string_substr/substr.pass.cpp            | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

(limited to 'test/std/strings/basic.string/string.ops/string_substr/substr.pass.cpp')

diff --git a/test/std/strings/basic.string/string.ops/string_substr/substr.pass.cpp b/test/std/strings/basic.string/string.ops/string_substr/substr.pass.cpp
index 145e8dde58bf5..f94739eb44138 100644
--- a/test/std/strings/basic.string/string.ops/string_substr/substr.pass.cpp
+++ b/test/std/strings/basic.string/string.ops/string_substr/substr.pass.cpp
@@ -7,7 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// XFAIL: libcpp-no-exceptions
 // <string>
 
 // basic_string substr(size_type pos = 0, size_type n = npos) const;
@@ -24,7 +23,7 @@ template <class S>
 void
 test(const S& s, typename S::size_type pos, typename S::size_type n)
 {
-    try
+    if (pos <= s.size())
     {
         S str = s.substr(pos, n);
         LIBCPP_ASSERT(str.__invariants());
@@ -33,10 +32,20 @@ test(const S& s, typename S::size_type pos, typename S::size_type n)
         assert(str.size() == rlen);
         assert(S::traits_type::compare(s.data()+pos, str.data(), rlen) == 0);
     }
-    catch (std::out_of_range&)
+#ifndef TEST_HAS_NO_EXCEPTIONS
+    else
     {
-        assert(pos > s.size());
+        try
+        {
+            S str = s.substr(pos, n);
+            assert(false);
+        }
+        catch (std::out_of_range&)
+        {
+            assert(pos > s.size());
+        }
     }
+#endif
 }
 
 int main()
-- 
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