test/unit/test_hashtable.cpp

   1 #include <climits>
   2
   3 #include "../../src/hashtable.h"
   4 #include "gtest/gtest.h"
   5
   6 TEST(MaterialTableTest, Size)
   7 {
   8     HashTable<Material> ht(MT_SIZE);
   9
  10     int entry_size = sizeof(Hash) + sizeof(Material);
  11     EXPECT_EQ(16, entry_size);
  12
  13     int size = MT_SIZE / entry_size;
  14
  15     // 'size' must be a power of two for HashTable<Material>::lookup()
  16     EXPECT_EQ(0, size & (size - 1));
  17
  18     EXPECT_EQ(size, ht.size());
  19 }