1 files changed, 214 insertions, 0 deletions
diff --git a/test/std/strings/string.view/string.view.nonmem/quoted.pass.cpp b/test/std/strings/string.view/string.view.nonmem/quoted.pass.cpp
new file mode 100644
index 000000000000..c11e144a0968
--- /dev/null
+++ b/test/std/strings/string.view/string.view.nonmem/quoted.pass.cpp
@@ -0,0 +1,214 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <iomanip>
+
+// quoted
+
+#include <iomanip>
+#include <sstream>
+#include <string_view>
+#include <cassert>
+
+#include "test_macros.h"
+
+#if TEST_STD_VER > 11
+// quoted is C++14 only
+
+bool is_skipws ( const std::istream *is ) {
+    return ( is->flags() & std::ios_base::skipws ) != 0;
+    }
+
+
+bool is_skipws ( const std::wistream *is ) {
+    return ( is->flags() & std::ios_base::skipws ) != 0;
+    }
+
+void round_trip ( const char *p ) {
+    std::stringstream ss;
+    bool skippingws = is_skipws ( &ss );
+    std::string_view sv {p};
+
+    ss << std::quoted(sv);
+    std::string s;
+    ss >> std::quoted(s);
+    assert ( s == sv );
+    assert ( skippingws == is_skipws ( &ss ));
+    }
+
+void round_trip_ws ( const char *p ) {
+    std::stringstream ss;
+    std::noskipws ( ss );
+    bool skippingws = is_skipws ( &ss );
+    std::string_view sv {p};
+
+    ss << std::quoted(sv);
+    std::string s;
+    ss >> std::quoted(s);
+    assert ( s == sv );
+    assert ( skippingws == is_skipws ( &ss ));
+    }
+
+void round_trip_d ( const char *p, char delim ) {
+    std::stringstream ss;
+    std::string_view sv {p};
+
+    ss << std::quoted(sv, delim);
+    std::string s;
+    ss >> std::quoted(s, delim);
+    assert ( s == sv );
+    }
+
+void round_trip_e ( const char *p, char escape ) {
+    std::stringstream ss;
+    std::string_view sv {p};
+
+    ss << std::quoted(sv, '"', escape );
+    std::string s;
+    ss >> std::quoted(s, '"', escape );
+    assert ( s == sv );
+    }
+
+
+
+std::string quote ( const char *p, char delim='"', char escape='\\' ) {
+    std::stringstream ss;
+    ss << std::quoted(p, delim, escape);
+    std::string s;
+    ss >> s;    // no quote
+    return s;
+}
+
+std::string unquote ( const char *p, char delim='"', char escape='\\' ) {
+    std::stringstream ss;
+    ss << p;
+    std::string s;
+    ss >> std::quoted(s, delim, escape);
+    return s;
+}
+
+
+void round_trip ( const wchar_t *p ) {
+    std::wstringstream ss;
+    bool skippingws = is_skipws ( &ss );
+    std::wstring_view sv {p};
+
+    ss << std::quoted(sv);
+    std::wstring s;
+    ss >> std::quoted(s);
+    assert ( s == sv );
+    assert ( skippingws == is_skipws ( &ss ));
+    }
+
+
+void round_trip_ws ( const wchar_t *p ) {
+    std::wstringstream ss;
+    std::noskipws ( ss );
+    bool skippingws = is_skipws ( &ss );
+    std::wstring_view sv {p};
+
+    ss << std::quoted(sv);
+    std::wstring s;
+    ss >> std::quoted(s);
+    assert ( s == sv );
+    assert ( skippingws == is_skipws ( &ss ));
+    }
+
+void round_trip_d ( const wchar_t *p, wchar_t delim ) {
+    std::wstringstream ss;
+    std::wstring_view sv {p};
+
+    ss << std::quoted(sv, delim);
+    std::wstring s;
+    ss >> std::quoted(s, delim);
+    assert ( s == sv );
+    }
+
+void round_trip_e ( const wchar_t *p, wchar_t escape ) {
+    std::wstringstream ss;
+    std::wstring_view sv {p};
+
+    ss << std::quoted(sv, wchar_t('"'), escape );
+    std::wstring s;
+    ss >> std::quoted(s, wchar_t('"'), escape );
+    assert ( s == sv );
+    }
+
+
+std::wstring quote ( const wchar_t *p, wchar_t delim='"', wchar_t escape='\\' ) {
+    std::wstringstream ss;
+    std::wstring_view sv {p};
+
+    ss << std::quoted(sv, delim, escape);
+    std::wstring s;
+    ss >> s;    // no quote
+    return s;
+}
+
+std::wstring unquote ( const wchar_t *p, wchar_t delim='"', wchar_t escape='\\' ) {
+    std::wstringstream ss;
+    std::wstring_view sv {p};
+
+    ss << sv;
+    std::wstring s;
+    ss >> std::quoted(s, delim, escape);
+    return s;
+}
+
+int main()
+{
+    round_trip    (  "" );
+    round_trip_ws (  "" );
+    round_trip_d  (  "", 'q' );
+    round_trip_e  (  "", 'q' );
+
+    round_trip    ( L"" );
+    round_trip_ws ( L"" );
+    round_trip_d  ( L"", 'q' );
+    round_trip_e  ( L"", 'q' );
+
+    round_trip    (  "Hi" );
+    round_trip_ws (  "Hi" );
+    round_trip_d  (  "Hi", '!' );
+    round_trip_e  (  "Hi", '!' );
+    assert ( quote ( "Hi", '!' ) == "!Hi!" );
+    assert ( quote ( "Hi!", '!' ) == R"(!Hi\!!)" );
+
+    round_trip    ( L"Hi" );
+    round_trip_ws ( L"Hi" );
+    round_trip_d  ( L"Hi", '!' );
+    round_trip_e  ( L"Hi", '!' );
+    assert ( quote ( L"Hi", '!' )  == L"!Hi!" );
+    assert ( quote ( L"Hi!", '!' ) == LR"(!Hi\!!)" );
+
+    round_trip    (  "Hi Mom" );
+    round_trip_ws (  "Hi Mom" );
+    round_trip    ( L"Hi Mom" );
+    round_trip_ws ( L"Hi Mom" );
+
+    assert ( quote (  "" )  ==  "\"\"" );
+    assert ( quote ( L"" )  == L"\"\"" );
+    assert ( quote (  "a" ) ==  "\"a\"" );
+    assert ( quote ( L"a" ) == L"\"a\"" );
+
+//  missing end quote - must not hang
+    assert ( unquote (  "\"abc" ) ==  "abc" );
+    assert ( unquote ( L"\"abc" ) == L"abc" );
+
+    assert ( unquote (  "abc" ) == "abc" ); // no delimiter
+    assert ( unquote ( L"abc" ) == L"abc" ); // no delimiter
+    assert ( unquote (  "abc def" ) ==  "abc" ); // no delimiter
+    assert ( unquote ( L"abc def" ) == L"abc" ); // no delimiter
+
+    assert ( unquote (  "" ) ==  "" ); // nothing there
+    assert ( unquote ( L"" ) == L"" ); // nothing there
+    }
+#else
+int main() {}
+#endif