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/******************************************************************************
*
* Copyright (C) 2014 Google, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#include <gtest/gtest.h>
extern "C" {
#include "allocation_tracker.h"
void allocation_tracker_uninit(void);
}
static const allocator_id_t allocator_id = 5;
TEST(AllocationTrackerTest, test_uninit_no_bad_effects) {
void *dummy_allocation = malloc(4);
// Ensure uninitialized state (previous tests may have called init)
allocation_tracker_uninit();
EXPECT_EQ(4U, allocation_tracker_resize_for_canary(4));
allocation_tracker_notify_alloc(allocator_id, dummy_allocation, 4);
EXPECT_EQ(0U, allocation_tracker_expect_no_allocations()); // should not have registered an allocation
allocation_tracker_notify_free(allocator_id, dummy_allocation);
EXPECT_EQ(0U, allocation_tracker_expect_no_allocations());
free(dummy_allocation);
}
TEST(AllocationTrackerTest, test_canaries_on) {
allocation_tracker_uninit();
allocation_tracker_init();
size_t with_canary_size = allocation_tracker_resize_for_canary(4);
EXPECT_TRUE(with_canary_size > 4);
void *dummy_allocation = malloc(with_canary_size);
void *useable_ptr = allocation_tracker_notify_alloc(allocator_id, dummy_allocation, 4);
EXPECT_TRUE(useable_ptr > dummy_allocation);
EXPECT_EQ(4U, allocation_tracker_expect_no_allocations()); // should have registered the allocation
void *freeable_ptr = allocation_tracker_notify_free(allocator_id, useable_ptr);
EXPECT_EQ(dummy_allocation, freeable_ptr);
EXPECT_EQ(0U, allocation_tracker_expect_no_allocations());
free(dummy_allocation);
}
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