o3tl/qa/test-vector_pool.cxx

   1 // autogenerated file with codegen.pl
   2
   3 #include <cppunit/simpleheader.hxx>
   4
   5 #include <o3tl/vector_pool.hxx>
   6
   7 using namespace ::o3tl;
   8
   9 class vector_pool_test : public CppUnit::TestFixture
  10 {
  11 public:
  12     void testPoolBasics()
  13     {
  14         vector_pool<int> aPool;
  15
  16         std::ptrdiff_t nIdx1 = aPool.alloc();
  17         std::ptrdiff_t nIdx2 = aPool.alloc();
  18         std::ptrdiff_t nIdx3 = aPool.alloc();
  19
  20         CPPUNIT_ASSERT_MESSAGE("allocator idx order 1", nIdx1 < nIdx2 );
  21         CPPUNIT_ASSERT_MESSAGE("allocator idx order 2", nIdx2 < nIdx3 );
  22
  23         aPool.free(nIdx2);
  24         aPool.free(nIdx3);
  25
  26         nIdx2 = aPool.alloc();
  27         nIdx3 = aPool.alloc();
  28
  29         CPPUNIT_ASSERT_MESSAGE("allocator idx order 1 after fragmentation", nIdx1 < nIdx3 );
  30         CPPUNIT_ASSERT_MESSAGE("allocator idx order 2 after fragmentation", nIdx3 < nIdx2 );
  31     }
  32
  33     void testPoolValueSemantics()
  34     {
  35         vector_pool<int> aPool;
  36
  37         std::ptrdiff_t nIdx1 = aPool.store(0);
  38         CPPUNIT_ASSERT_MESSAGE("allocator value semantics 1", aPool.get(nIdx1) == 0 );
  39
  40         std::ptrdiff_t nIdx2 = aPool.store(1);
  41         CPPUNIT_ASSERT_MESSAGE("allocator value semantics 2", aPool.get(nIdx2) == 1 );
  42
  43         std::ptrdiff_t nIdx3 = aPool.store(2);
  44         CPPUNIT_ASSERT_MESSAGE("allocator value semantics 3", aPool.get(nIdx3) == 2 );
  45
  46         aPool.free(nIdx2);
  47         aPool.free(nIdx3);
  48
  49         nIdx2 = aPool.store(1);
  50         CPPUNIT_ASSERT_MESSAGE("allocator value semantics 2 after fragmentation", aPool.get(nIdx2) == 1 );
  51
  52         nIdx3 = aPool.store(2);
  53         CPPUNIT_ASSERT_MESSAGE("allocator value semantics 3 after fragmentation", aPool.get(nIdx3) == 2 );
  54     }
  55
  56     // Change the following lines only, if you add, remove or rename
  57     // member functions of the current class,
  58     // because these macros are need by auto register mechanism.
  59
  60     CPPUNIT_TEST_SUITE(vector_pool_test);
  61     CPPUNIT_TEST(testPoolBasics);
  62     CPPUNIT_TEST(testPoolValueSemantics);
  63     CPPUNIT_TEST_SUITE_END();
  64 };
  65
  66 // -----------------------------------------------------------------------------
  67 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(vector_pool_test, "vector pool test");
  68
  69
  70 // -----------------------------------------------------------------------------
  71
  72 // NOADDITIONAL;
  73