1/******************************************************************************
2 *
3 *  Copyright (C) 2014 Google, Inc.
4 *
5 *  Licensed under the Apache License, Version 2.0 (the "License");
6 *  you may not use this file except in compliance with the License.
7 *  You may obtain a copy of the License at:
8 *
9 *  http://www.apache.org/licenses/LICENSE-2.0
10 *
11 *  Unless required by applicable law or agreed to in writing, software
12 *  distributed under the License is distributed on an "AS IS" BASIS,
13 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 *  See the License for the specific language governing permissions and
15 *  limitations under the License.
16 *
17 ******************************************************************************/
18
19#include <gtest/gtest.h>
20
21extern "C" {
22#include "osi/include/allocation_tracker.h"
23
24void allocation_tracker_uninit(void);
25}
26
27static const allocator_id_t allocator_id = 5;
28
29TEST(AllocationTrackerTest, test_uninit_no_bad_effects) {
30  void *dummy_allocation = malloc(4);
31
32  // Ensure uninitialized state (previous tests may have called init)
33  allocation_tracker_uninit();
34
35  EXPECT_EQ(4U, allocation_tracker_resize_for_canary(4));
36  allocation_tracker_notify_alloc(allocator_id, dummy_allocation, 4);
37  EXPECT_EQ(0U, allocation_tracker_expect_no_allocations()); // should not have registered an allocation
38  allocation_tracker_notify_free(allocator_id, dummy_allocation);
39  EXPECT_EQ(0U, allocation_tracker_expect_no_allocations());
40
41  free(dummy_allocation);
42}
43
44TEST(AllocationTrackerTest, test_canaries_on) {
45  allocation_tracker_uninit();
46  allocation_tracker_init();
47
48  size_t with_canary_size = allocation_tracker_resize_for_canary(4);
49  EXPECT_TRUE(with_canary_size > 4);
50
51  void *dummy_allocation = malloc(with_canary_size);
52  void *useable_ptr = allocation_tracker_notify_alloc(allocator_id, dummy_allocation, 4);
53  EXPECT_TRUE(useable_ptr > dummy_allocation);
54  EXPECT_EQ(4U, allocation_tracker_expect_no_allocations()); // should have registered the allocation
55  void *freeable_ptr = allocation_tracker_notify_free(allocator_id, useable_ptr);
56  EXPECT_EQ(dummy_allocation, freeable_ptr);
57  EXPECT_EQ(0U, allocation_tracker_expect_no_allocations());
58
59  free(dummy_allocation);
60}
61