--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/stdcpp/tsrc/Boost_test/variant/src/test8.cpp Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,118 @@
+//-----------------------------------------------------------------------------
+// boost-libs variant/test/test8.cpp header file
+// See http://www.boost.org for updates, documentation, and revision history.
+//-----------------------------------------------------------------------------
+//
+// Copyright (c) 2003
+// Eric Friedman, Itay Maman
+//
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+/*
+ * © Portions copyright (c) 2006-2007 Nokia Corporation. All rights reserved.
+*/
+
+#include "boost/test/minimal.hpp"
+#include "boost/variant.hpp"
+
+#include <iostream>
+#include <vector>
+#include <string>
+
+using namespace std;
+using namespace boost;
+
+typedef variant<float, std::string, int, std::vector<std::string> > t_var1;
+
+struct int_sum : static_visitor<>
+{
+ int_sum() : result_(0) { }
+
+ void operator()(int t)
+ {
+ result_ += t;
+ }
+
+ result_type operator()(float ) { }
+ result_type operator()(const std::string& ) { }
+ result_type operator()(const std::vector<std::string>& ) { }
+
+ int result_;
+};
+
+template <typename T, typename Variant>
+T& check_pass(Variant& v, T value)
+{
+ BOOST_CHECK(get<T>(&v));
+
+ try
+ {
+ T& r = get<T>(v);
+ BOOST_CHECK(r == value);
+ return r;
+ }
+ catch(boost::bad_get&)
+ {
+ throw; // must never reach
+ }
+}
+
+template <typename T, typename Variant>
+void check_fail(Variant& v)
+{
+ BOOST_CHECK(!get<T>(&v));
+
+ try
+ {
+ T& r = get<T>(v);
+ BOOST_CHECK(false && &r); // should never reach
+ }
+ catch(boost::bad_get&)
+ {
+ // (do nothing here)
+ }
+}
+
+int test_main(int , char* [])
+{
+ int_sum acc;
+ t_var1 v1 = 800;
+std_log(LOG_FILENAME_LINE,"[Test Case for test8]");
+ // check get on non-const variant
+ {
+ int& r1 = check_pass<int>(v1, 800);
+ const int& cr1 = check_pass<const int>(v1, 800);
+
+ check_fail<float>(v1);
+ check_fail<const float>(v1);
+ check_fail<short>(v1);
+ check_fail<const short>(v1);
+
+ apply_visitor(acc, v1);
+ BOOST_CHECK(acc.result_ == 800);
+
+ r1 = 920; // NOTE: modifies content of v1
+ apply_visitor(acc, v1);
+ BOOST_CHECK(cr1 == 920);
+ BOOST_CHECK(acc.result_ == 800 + 920);
+ }
+
+ // check const correctness:
+ {
+ const t_var1& c = v1;
+
+ check_pass<const int>(c, 920);
+
+ //check_fail<int>(c);
+ check_fail<const float>(c);
+ //check_fail<float>(c);
+ check_fail<const short>(c);
+ //check_fail<short>(c);
+ }
+#ifdef __SYMBIAN32__
+ testResultXml("test8");
+ close_log_file();
+#endif
+ return boost::exit_success;
+}