last changes from bloomberg.

cpp/stl/istringstream_fail_eof.cpp

@@ -0,0 +1,77 @@
+/* Check cf5-opt.vim defs.
+-VIM-: let g:lcppflags="-std=c++11 -O2 -pthread"
+VIM: let g:wcppflags="/O2 /EHsc /DWIN32"
+VIM: let g:argv=""
+*/
+#include <iostream>
+#include <sstream>
+#include <exception>
+
+void test( const std::string& str_to_parse )
+{
+    std::stringstream ss(str_to_parse);
+    std::string str;
+    int v;
+    ss >> str >> v;
+
+    std::cout   << "str=\"" << str_to_parse << '"' <<std::endl
+                << "good()=" << ss.good()
+                << " fail()=" << ss.fail()
+                << " bad()=" << ss.bad()
+                << " eof()=" << ss.eof()
+                << std::endl << std::endl;
+}
+
+void test2( const std::string& str_to_parse )
+{
+    std::stringstream ss(str_to_parse);
+    std::string str;
+    std::string str2;
+    int v;
+    ss >> str >> v;
+
+    if ( ss.fail() && !ss.eof() )
+    {
+        ss.clear();
+        ss >> str2;
+    }
+
+    std::cout   << "str=\"" << str_to_parse << '"' <<std::endl
+                << "str2=\"" << str2 << '"' <<std::endl
+                << "good()=" << ss.good()
+                << " fail()=" << ss.fail()
+                << " bad()=" << ss.bad()
+                << " eof()=" << ss.eof()
+                << std::endl << std::endl;
+}
+
+int main ( void )
+{try{
+    test("string 1234");
+    test("string 1234 ");
+    test("string 1234 12");
+    test("string ");
+    test("string");
+    test("string aaaa");
+    test("string aaaa ");
+
+    test2("sss tttt");
+    test2("sss tttt ");
+    test2("sss 3456tttt");
+    test2("sss");
+    test2("sss ");
+	return 0;
+}
+catch ( const std::exception& e )
+{
+	std::cerr << std::endl
+			<< "std::exception(\"" << e.what() << "\")." << std::endl;
+	return 2;
+}
+catch ( ... )
+{
+	std::cerr  << std::endl
+			<< "unknown exception." << std::endl;
+	return 1;
+}}
+