minmax_macro v0.1

[SVN r3105]

minmax_macro/test/eval_once.cpp

@@ -0,0 +1,37 @@
+///////////////////////////////////////////////////////////////////////////////
+// eval_once.hpp test file
+//
+// Copyright 2006 Eric Niebler.
+// 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)
+//
+
+#include <boost/test/unit_test.hpp>
+#include <boost/algorithm/minmax_macro.hpp>
+
+void test_eval_once()
+{
+    int i = 0;
+    int j = 1;
+
+    int k = BOOST_MIN(i++,j);
+    BOOST_CHECK_EQUAL(1, i);
+    BOOST_CHECK_EQUAL(0, k);
+
+    k = BOOST_MAX(i,++j);
+    BOOST_CHECK_EQUAL(2, j);
+    BOOST_CHECK_EQUAL(2, k);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// init_unit_test_suite
+//
+boost::unit_test::test_suite* init_unit_test_suite( int argc, char* argv[] )
+{
+    boost::unit_test::test_suite *test = BOOST_TEST_SUITE("eval_once min/max test");
+
+    test->add(BOOST_TEST_CASE(&test_eval_once));
+
+    return test;
+}