Initial commit

libs/multi_index/test/test_capacity.cpp

@@ -0,0 +1,97 @@
+/* Boost.MultiIndex test for capacity memfuns.
+ *
+ * Copyright 2003-2013 Joaquin M Lopez Munoz.
+ * 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)
+ *
+ * See http://www.boost.org/libs/multi_index for library home page.
+ */
+
+#include "test_capacity.hpp"
+
+#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
+#include "pre_multi_index.hpp"
+#include "employee.hpp"
+#include <boost/detail/lightweight_test.hpp>
+
+using namespace boost::multi_index;
+
+void test_capacity()
+{
+  employee_set es;
+
+  es.insert(employee(0,"Joe",31,1123));
+  es.insert(employee(1,"Robert",27,5601));
+  es.insert(employee(2,"John",40,7889));
+  es.insert(employee(3,"Albert",20,9012));
+  es.insert(employee(4,"John",57,1002));
+
+  BOOST_TEST(!es.empty());
+  BOOST_TEST(es.size()==5);
+  BOOST_TEST(es.size()<=es.max_size());
+
+  es.erase(es.begin());
+  BOOST_TEST(!get<name>(es).empty());
+  BOOST_TEST(get<name>(es).size()==4);
+  BOOST_TEST(get<name>(es).size()<=get<name>(es).max_size());
+
+  es.erase(es.begin());
+  BOOST_TEST(!get<as_inserted>(es).empty());
+  BOOST_TEST(get<as_inserted>(es).size()==3);
+  BOOST_TEST(get<as_inserted>(es).size()<=get<as_inserted>(es).max_size());
+
+  multi_index_container<int,indexed_by<sequenced<> > > ss;
+
+  ss.resize(10);
+  BOOST_TEST(ss.size()==10);
+  BOOST_TEST(ss.size()<=ss.max_size());
+
+  ss.resize(20,666);
+  BOOST_TEST(ss.size()==20);
+  BOOST_TEST(ss.back()==666);
+
+  ss.resize(5,10);
+  BOOST_TEST(ss.size()==5);
+
+  ss.resize(4);
+  BOOST_TEST(ss.size()==4);
+
+  multi_index_container<int,indexed_by<random_access<> > > rs;
+
+  rs.resize(10);
+  BOOST_TEST(rs.size()==10);
+  BOOST_TEST(rs.size()<=rs.max_size());
+  BOOST_TEST(rs.size()<=rs.capacity());
+
+  rs.resize(20,666);
+  BOOST_TEST(rs.size()==20);
+  BOOST_TEST(rs.back()==666);
+  BOOST_TEST(rs.size()<=rs.capacity());
+
+  unsigned int c=rs.capacity();
+  rs.resize(10,20);
+  BOOST_TEST(rs.size()==10);
+  BOOST_TEST(rs.capacity()==c);
+
+  rs.resize(5);
+  BOOST_TEST(rs.size()==5);
+  BOOST_TEST(rs.capacity()==c);
+
+  rs.reserve(100);
+  BOOST_TEST(rs.size()==5);
+  BOOST_TEST(rs.capacity()>=100);
+
+  c=rs.capacity();
+  rs.reserve(99);
+  BOOST_TEST(rs.size()==5);
+  BOOST_TEST(rs.capacity()==c);
+
+  rs.shrink_to_fit();
+  BOOST_TEST(rs.size()==5);
+  BOOST_TEST(rs.capacity()==rs.size());
+
+  rs.clear();
+  rs.shrink_to_fit();
+  BOOST_TEST(rs.capacity()==0);
+}