Add missing tests for small vector and static vector

2019-06-08 13:01:24 +02:00
parent e866c15fae
commit 7b62f360b7
2 changed files with 234 additions and 0 deletions
@@ -0,0 +1,110 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2004-2013. 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/container for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+#include <boost/container/small_vector.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <boost/assert.hpp>
+using namespace boost::container;
+
+const std::size_t Capacity = 10u;
+
+void test_alignment()
+{
+   {  //extended alignment
+      const std::size_t extended_alignment = sizeof(int)*4u;
+      BOOST_STATIC_ASSERT(extended_alignment > dtl::alignment_of<int>::value);
+      #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
+      using options_t = small_vector_options_t< inplace_alignment<extended_alignment> >;
+      #else
+      typedef small_vector_options
+         < inplace_alignment<extended_alignment> >::type options_t;
+      #endif
+
+      small_vector<int, Capacity, void, options_t> v;
+      v.resize(v.capacity());
+      BOOST_ASSERT((reinterpret_cast<std::size_t>(&v[0]) % extended_alignment) == 0);
+   }
+   {  //default alignment
+      #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
+      using options_t = small_vector_options_t< inplace_alignment<0> >;
+      #else
+      typedef small_vector_options< inplace_alignment<0> >::type options_t;
+      #endif
+
+      small_vector<int, Capacity, void, options_t> v;
+      v.resize(v.capacity());
+      BOOST_ASSERT((reinterpret_cast<std::size_t>(&v[0]) % dtl::alignment_of<int>::value) == 0);
+   }
+}
+
+void test_growth_factor_50()
+{
+   #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
+   using options_t = small_vector_options_t< growth_factor<growth_factor_50> >;
+   #else
+   typedef small_vector_options
+      < growth_factor<growth_factor_50> >::type options_t;
+   #endif
+
+   small_vector<int, Capacity, new_allocator<int>, options_t> v;
+
+   v.resize(5);
+   v.resize(v.capacity());
+   std::size_t old_capacity = v.capacity();
+   v.push_back(0);
+   std::size_t new_capacity = v.capacity();
+   BOOST_TEST(new_capacity == old_capacity + old_capacity/2);
+}
+
+void test_growth_factor_60()
+{
+   #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
+   using options_t = small_vector_options_t< growth_factor<growth_factor_60> >;
+   #else
+   typedef small_vector_options
+      < growth_factor<growth_factor_60> >::type options_t;
+   #endif
+
+   small_vector<int, Capacity, new_allocator<int>, options_t> v;
+
+   v.resize(5);
+   v.resize(v.capacity());
+   std::size_t old_capacity = v.capacity();
+   v.push_back(0);
+   std::size_t new_capacity = v.capacity();
+   BOOST_TEST(new_capacity == old_capacity + 3*old_capacity/5);
+}
+
+void test_growth_factor_100()
+{
+   #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
+   using options_t = small_vector_options_t< growth_factor<growth_factor_100> >;
+   #else
+   typedef small_vector_options
+      < growth_factor<growth_factor_100> >::type options_t;
+   #endif
+
+   small_vector<int, Capacity, new_allocator<int>, options_t> v;
+
+   v.resize(5);
+   v.resize(v.capacity());
+   std::size_t old_capacity = v.capacity();
+   v.push_back(0);
+   std::size_t new_capacity = v.capacity();
+   BOOST_TEST(new_capacity == 2*old_capacity);
+}
+
+int main()
+{
+   test_alignment();
+   test_growth_factor_50();
+   test_growth_factor_60();
+   test_growth_factor_100();
+   return ::boost::report_errors();
+}