| 20 | |
| 21 | template <typename Allocator> |
| 22 | void TestAllocator(Allocator& a) { |
| 23 | EXPECT_TRUE(a.Malloc(0) == 0); |
| 24 | |
| 25 | uint8_t* p = static_cast<uint8_t*>(a.Malloc(100)); |
| 26 | EXPECT_TRUE(p != 0); |
| 27 | for (size_t i = 0; i < 100; i++) |
| 28 | p[i] = static_cast<uint8_t>(i); |
| 29 | |
| 30 | // Expand |
| 31 | uint8_t* q = static_cast<uint8_t*>(a.Realloc(p, 100, 200)); |
| 32 | EXPECT_TRUE(q != 0); |
| 33 | for (size_t i = 0; i < 100; i++) |
| 34 | EXPECT_EQ(i, q[i]); |
| 35 | for (size_t i = 100; i < 200; i++) |
| 36 | q[i] = static_cast<uint8_t>(i); |
| 37 | |
| 38 | // Shrink |
| 39 | uint8_t *r = static_cast<uint8_t*>(a.Realloc(q, 200, 150)); |
| 40 | EXPECT_TRUE(r != 0); |
| 41 | for (size_t i = 0; i < 150; i++) |
| 42 | EXPECT_EQ(i, r[i]); |
| 43 | |
| 44 | Allocator::Free(r); |
| 45 | |
| 46 | // Realloc to zero size |
| 47 | EXPECT_TRUE(a.Realloc(a.Malloc(1), 1, 0) == 0); |
| 48 | } |
| 49 | |
| 50 | TEST(Allocator, CrtAllocator) { |
| 51 | CrtAllocator a; |