vendor/libc++/libc++-trunk-r290819

1 files changed, 26 insertions, 0 deletions

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 55fc63d06214..dac8860f9a64 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
@@ -178,4 +178,30 @@ int main()
     test_exceptions(S(), TIter(s, s+10, 6, TIter::TAComparison), TIter());
 	}
 #endif
+
+	{ // test appending to self
+    typedef std::string S;
+	S s_short = "123/";
+	S s_long  = "Lorem ipsum dolor sit amet, consectetur/";
+
+	s_short.append(s_short.begin(), s_short.end());
+	assert(s_short == "123/123/");
+	s_short.append(s_short.begin(), s_short.end());
+	assert(s_short == "123/123/123/123/");
+	s_short.append(s_short.begin(), s_short.end());
+	assert(s_short == "123/123/123/123/123/123/123/123/");
+
+	s_long.append(s_long.begin(), s_long.end());
+	assert(s_long == "Lorem ipsum dolor sit amet, consectetur/Lorem ipsum dolor sit amet, consectetur/");
+	}
+
+	{ // test appending a different type
+    typedef std::string S;
+	const uint8_t p[] = "ABCD";
+
+	S s;
+	s.append(p, p + 4);
+	assert(s == "ABCD");
+	}
+
 }