From dfd66a522f6e3ab9b03c0921ba40f012de0958b0 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sat, 16 Jan 2016 17:20:41 +0000
Subject: Vendor import of libc++ release_38 branch r257836:
 https://llvm.org/svn/llvm-project/libcxx/branches/release_38@257836

---
 .../string_append/iterator.pass.cpp                | 31 ++++++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

(limited to 'test/std/strings/basic.string/string.modifiers/string_append/iterator.pass.cpp')

diff --git a/test/std/strings/basic.string/string.modifiers/string_append/iterator.pass.cpp b/test/std/strings/basic.string/string.modifiers/string_append/iterator.pass.cpp
index 3bf2afa25521..82e6fb5895e7 100644
--- a/test/std/strings/basic.string/string.modifiers/string_append/iterator.pass.cpp
+++ b/test/std/strings/basic.string/string.modifiers/string_append/iterator.pass.cpp
@@ -15,7 +15,7 @@
 #include <string>
 #include <cassert>
 
-#include "../../input_iterator.h"
+#include "test_iterators.h"
 #include "min_allocator.h"
 
 template <class S, class It>
@@ -27,6 +27,20 @@ test(S s, It first, It last, S expected)
     assert(s == expected);
 }
 
+template <class S, class It>
+void
+test_exceptions(S s, It first, It last)
+{
+	S aCopy = s;
+    try {
+    	s.append(first, last);
+    	assert(false);
+    	}
+    catch (...) {}
+    assert(s.__invariants());
+    assert(s == aCopy);
+}
+
 int main()
 {
     {
@@ -87,7 +101,7 @@ int main()
     test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+52),
          S("12345678901234567890""ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
     }
-#if __cplusplus >= 201103L
+#if TEST_STD_VER >= 11
     {
     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
     const char* s = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
@@ -147,4 +161,17 @@ int main()
          S("12345678901234567890""ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"));
     }
 #endif
+	{ // test iterator operations that throw
+    typedef std::string S;
+    typedef ThrowingIterator<char> TIter;
+    typedef input_iterator<TIter> IIter;
+    const char* s = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
+    test_exceptions(S(), IIter(TIter(s, s+10, 4, TIter::TAIncrement)), IIter());
+    test_exceptions(S(), IIter(TIter(s, s+10, 5, TIter::TADereference)), IIter());
+    test_exceptions(S(), IIter(TIter(s, s+10, 6, TIter::TAComparison)), IIter());
+
+    test_exceptions(S(), TIter(s, s+10, 4, TIter::TAIncrement), TIter());
+    test_exceptions(S(), TIter(s, s+10, 5, TIter::TADereference), TIter());
+    test_exceptions(S(), TIter(s, s+10, 6, TIter::TAComparison), TIter());
+	}
 }
-- 
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