In istream::ignore, check the delimeter as an int_type, not as a char_type, so as to correctly handle EOF. This fixes http://llvm.org/bugs/show_bug.cgi?id=16427

llvm-svn: 185298

1 files changed, 34 insertions, 0 deletions

diff --git a/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/ignore_0xff.pass.cpp b/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/ignore_0xff.pass.cpp
new file mode 100644
index 00000000000..ab0326cf0c9
--- /dev/null
+++ b/libcxx/test/input.output/iostream.format/input.streams/istream.unformatted/ignore_0xff.pass.cpp
@@ -0,0 +1,34 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// basic_istream<charT,traits>&
+//    ignore(streamsize n = 1, int_type delim = traits::eof());
+
+// http://llvm.org/bugs/show_bug.cgi?id=16427
+
+#include <sstream>
+#include <cassert>
+
+int main()
+{
+	int bad=-1;
+	std::ostringstream os;
+	os << "aaaabbbb" << static_cast<char>(bad) 
+	   << "ccccdddd" << std::endl;
+	std::string s=os.str();
+	
+	std::istringstream is(s);
+	const unsigned int ignoreLen=10;
+	size_t a=is.tellg();
+	is.ignore(ignoreLen);
+	size_t b=is.tellg();
+	assert((b-a)==ignoreLen);
+}