o3tl/qa/test-vector_pool.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 // autogenerated file with codegen.pl
   3
   4 #include "sal/config.h"
   5 #include "sal/precppunit.hxx"
   6
   7 #include "cppunit/TestAssert.h"
   8 #include "cppunit/TestFixture.h"
   9 #include "cppunit/extensions/HelperMacros.h"
  10
  11 #include <o3tl/vector_pool.hxx>
  12
  13 using namespace ::o3tl;
  14
  15 class vector_pool_test : public CppUnit::TestFixture
  16 {
  17 public:
  18     void testPoolBasics()
  19     {
  20         vector_pool<int> aPool;
  21
  22         std::ptrdiff_t nIdx1 = aPool.alloc();
  23         std::ptrdiff_t nIdx2 = aPool.alloc();
  24         std::ptrdiff_t nIdx3 = aPool.alloc();
  25
  26         CPPUNIT_ASSERT_MESSAGE("allocator idx order 1", nIdx1 < nIdx2 );
  27         CPPUNIT_ASSERT_MESSAGE("allocator idx order 2", nIdx2 < nIdx3 );
  28
  29         aPool.free(nIdx2);
  30         aPool.free(nIdx3);
  31
  32         nIdx2 = aPool.alloc();
  33         nIdx3 = aPool.alloc();
  34
  35         CPPUNIT_ASSERT_MESSAGE("allocator idx order 1 after fragmentation", nIdx1 < nIdx3 );
  36         CPPUNIT_ASSERT_MESSAGE("allocator idx order 2 after fragmentation", nIdx3 < nIdx2 );
  37     }
  38
  39     void testPoolValueSemantics()
  40     {
  41         vector_pool<int> aPool;
  42
  43         std::ptrdiff_t nIdx1 = aPool.store(0);
  44         CPPUNIT_ASSERT_MESSAGE("allocator value semantics 1", aPool.get(nIdx1) == 0 );
  45
  46         std::ptrdiff_t nIdx2 = aPool.store(1);
  47         CPPUNIT_ASSERT_MESSAGE("allocator value semantics 2", aPool.get(nIdx2) == 1 );
  48
  49         std::ptrdiff_t nIdx3 = aPool.store(2);
  50         CPPUNIT_ASSERT_MESSAGE("allocator value semantics 3", aPool.get(nIdx3) == 2 );
  51
  52         aPool.free(nIdx2);
  53         aPool.free(nIdx3);
  54
  55         nIdx2 = aPool.store(1);
  56         CPPUNIT_ASSERT_MESSAGE("allocator value semantics 2 after fragmentation", aPool.get(nIdx2) == 1 );
  57
  58         nIdx3 = aPool.store(2);
  59         CPPUNIT_ASSERT_MESSAGE("allocator value semantics 3 after fragmentation", aPool.get(nIdx3) == 2 );
  60     }
  61
  62     // Change the following lines only, if you add, remove or rename
  63     // member functions of the current class,
  64     // because these macros are need by auto register mechanism.
  65
  66     CPPUNIT_TEST_SUITE(vector_pool_test);
  67     CPPUNIT_TEST(testPoolBasics);
  68     CPPUNIT_TEST(testPoolValueSemantics);
  69     CPPUNIT_TEST_SUITE_END();
  70 };
  71
  72 // -----------------------------------------------------------------------------
  73 CPPUNIT_TEST_SUITE_REGISTRATION(vector_pool_test);
  74
  75 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */