o3tl/qa/test-vector_pool.cxx

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