vendor/libc++/libc++-release_38-r257836

1 files changed, 28 insertions, 1 deletions

diff --git a/test/std/strings/basic.string/string.modifiers/string_assign/iterator.pass.cpp b/test/std/strings/basic.string/string.modifiers/string_assign/iterator.pass.cpp
index 83b5dd14b3f6..690aebd4c2a6 100644
--- a/test/std/strings/basic.string/string.modifiers/string_assign/iterator.pass.cpp
+++ b/test/std/strings/basic.string/string.modifiers/string_assign/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.assign(first, last);
+    	assert(false);
+    	}
+    catch (...) {}
+    assert(s.__invariants());
+    assert(s == aCopy);
+}
+
 int main()
 {
     {
@@ -147,4 +161,17 @@ int main()
          S("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());
+	}
 }