| 29 | } // namespace |
| 30 | |
| 31 | TEST(ScopedGenericTest, ScopedGeneric) { |
| 32 | std::vector<int> values_freed; |
| 33 | IntTraits traits(&values_freed); |
| 34 | |
| 35 | // Invalid case, delete should not be called. |
| 36 | { |
| 37 | ScopedInt a(IntTraits::InvalidValue(), traits); |
| 38 | } |
| 39 | EXPECT_TRUE(values_freed.empty()); |
| 40 | |
| 41 | // Simple deleting case. |
| 42 | static const int kFirst = 0; |
| 43 | { |
| 44 | ScopedInt a(kFirst, traits); |
| 45 | } |
| 46 | ASSERT_EQ(1u, values_freed.size()); |
| 47 | ASSERT_EQ(kFirst, values_freed[0]); |
| 48 | values_freed.clear(); |
| 49 | |
| 50 | // Release should return the right value and leave the object empty. |
| 51 | { |
| 52 | ScopedInt a(kFirst, traits); |
| 53 | EXPECT_EQ(kFirst, a.release()); |
| 54 | |
| 55 | ScopedInt b(IntTraits::InvalidValue(), traits); |
| 56 | EXPECT_EQ(IntTraits::InvalidValue(), b.release()); |
| 57 | } |
| 58 | ASSERT_TRUE(values_freed.empty()); |
| 59 | |
| 60 | // Reset should free the old value, then the new one should go away when |
| 61 | // it goes out of scope. |
| 62 | static const int kSecond = 1; |
| 63 | { |
| 64 | ScopedInt b(kFirst, traits); |
| 65 | b.reset(kSecond); |
| 66 | ASSERT_EQ(1u, values_freed.size()); |
| 67 | ASSERT_EQ(kFirst, values_freed[0]); |
| 68 | } |
| 69 | ASSERT_EQ(2u, values_freed.size()); |
| 70 | ASSERT_EQ(kSecond, values_freed[1]); |
| 71 | values_freed.clear(); |
| 72 | |
| 73 | // Swap. |
| 74 | { |
| 75 | ScopedInt a(kFirst, traits); |
| 76 | ScopedInt b(kSecond, traits); |
| 77 | a.swap(b); |
| 78 | EXPECT_TRUE(values_freed.empty()); // Nothing should be freed. |
| 79 | EXPECT_EQ(kSecond, a.get()); |
| 80 | EXPECT_EQ(kFirst, b.get()); |
| 81 | } |
| 82 | // Values should be deleted in the opposite order. |
| 83 | ASSERT_EQ(2u, values_freed.size()); |
| 84 | EXPECT_EQ(kFirst, values_freed[0]); |
| 85 | EXPECT_EQ(kSecond, values_freed[1]); |
| 86 | values_freed.clear(); |
| 87 | |
| 88 | // Pass. |