Implement ostream_joiner

test/ostream_joiner_test.cpp

@@ -0,0 +1,116 @@
+/*
+Copyright 2019 Glen Joseph Fernandes
+(glenjofe@gmail.com)
+
+Distributed under the Boost Software License, Version 1.0.
+(http://www.boost.org/LICENSE_1_0.txt)
+*/
+#include <boost/core/lightweight_test_trait.hpp>
+#include <boost/io/ostream_joiner.hpp>
+#include <sstream>
+
+void test_char_type()
+{
+    BOOST_TEST_TRAIT_SAME(char,
+        boost::io::ostream_joiner<const char*>::char_type);
+}
+
+void test_traits_type()
+{
+    BOOST_TEST_TRAIT_SAME(std::char_traits<char>,
+        boost::io::ostream_joiner<const char*>::traits_type);
+}
+
+void test_ostream_type()
+{
+    BOOST_TEST_TRAIT_SAME(std::ostream,
+        boost::io::ostream_joiner<const char*>::ostream_type);
+}
+
+void test_iterator_category()
+{
+    BOOST_TEST_TRAIT_SAME(std::output_iterator_tag,
+        boost::io::ostream_joiner<const char*>::iterator_category);
+}
+
+void test_value_type()
+{
+    BOOST_TEST_TRAIT_SAME(void,
+        boost::io::ostream_joiner<const char*>::value_type);
+}
+
+void test_difference_type()
+{
+    BOOST_TEST_TRAIT_SAME(void,
+        boost::io::ostream_joiner<const char*>::difference_type);
+}
+
+void test_pointer()
+{
+    BOOST_TEST_TRAIT_SAME(void,
+        boost::io::ostream_joiner<const char*>::pointer);
+}
+
+void test_reference()
+{
+    BOOST_TEST_TRAIT_SAME(void,
+        boost::io::ostream_joiner<const char*>::reference);
+}
+
+void test_construct()
+{
+    std::ostringstream o;
+    boost::io::ostream_joiner<const char*> j(o, ",");
+    BOOST_TEST(o.str().empty());
+}
+
+void test_assign()
+{
+    std::ostringstream o;
+    boost::io::ostream_joiner<const char*> j(o, ",");
+    j = 1;
+    BOOST_TEST_EQ(o.str(), "1");
+    j = '2';
+    BOOST_TEST_EQ(o.str(), "1,2");
+    j = "3";
+    BOOST_TEST_EQ(o.str(), "1,2,3");
+}
+
+void test_increment()
+{
+    std::ostringstream o;
+    boost::io::ostream_joiner<const char*> j(o, ",");
+    BOOST_TEST_EQ(&++j, &j);
+}
+
+void test_post_increment()
+{
+    std::ostringstream o;
+    boost::io::ostream_joiner<const char*> j(o, ",");
+    BOOST_TEST_EQ(&j++, &j);
+}
+
+void test_value()
+{
+    std::ostringstream o;
+    boost::io::ostream_joiner<const char*> j(o, ",");
+    BOOST_TEST_EQ(&*j, &j);
+}
+
+int main()
+{
+    test_char_type();
+    test_traits_type();
+    test_ostream_type();
+    test_iterator_category();
+    test_value_type();
+    test_difference_type();
+    test_pointer();
+    test_reference();
+    test_construct();
+    test_assign();
+    test_increment();
+    test_post_increment();
+    test_value();
+    return boost::report_errors();
+}