diff options
Diffstat (limited to 'pceplib/test/pcep_utils_memory_test.c')
| -rw-r--r-- | pceplib/test/pcep_utils_memory_test.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/pceplib/test/pcep_utils_memory_test.c b/pceplib/test/pcep_utils_memory_test.c new file mode 100644 index 0000000..0958626 --- /dev/null +++ b/pceplib/test/pcep_utils_memory_test.c @@ -0,0 +1,245 @@ +/* + * This file is part of the PCEPlib, a PCEP protocol library. + * + * Copyright (C) 2020 Volta Networks https://voltanet.io/ + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + * + * Author : Brady Johnson <brady@voltanet.io> + * + */ + + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdlib.h> +#include <stdint.h> + +#include <CUnit/CUnit.h> + +#include "pcep_utils_memory.h" +#include "pcep_utils_memory_test.h" + +void *test_pceplib_malloc(void *mem_type, size_t size); +void *test_pceplib_calloc(void *mem_type, size_t size); +void *test_pceplib_realloc(void *mem_type, void *ptr, size_t size); +void *test_pceplib_strdup(void *mem_type, const char *str); +void test_pceplib_free(void *mem_type, void *ptr); +void verify_memory_type(struct pceplib_memory_type *mt, uint32_t num_alloc, + uint32_t alloc_bytes, uint32_t num_free, + uint32_t free_bytes); +void verify_ext_memory_type(void *mt, int num_malloc_calls, + int num_calloc_calls, int num_realloc_calls, + int num_strdup_calls, int num_free_calls); + +struct test_memory_type { + int num_malloc_calls; + int num_calloc_calls; + int num_realloc_calls; + int num_strdup_calls; + int num_free_calls; +}; + +void *test_pceplib_malloc(void *mem_type, size_t size) +{ + ((struct test_memory_type *)mem_type)->num_malloc_calls++; + return malloc(size); +} + +void *test_pceplib_calloc(void *mem_type, size_t size) +{ + ((struct test_memory_type *)mem_type)->num_calloc_calls++; + return calloc(1, size); +} + +void *test_pceplib_realloc(void *mem_type, void *ptr, size_t size) +{ + ((struct test_memory_type *)mem_type)->num_realloc_calls++; + return realloc(ptr, size); +} + +void *test_pceplib_strdup(void *mem_type, const char *str) +{ + ((struct test_memory_type *)mem_type)->num_strdup_calls++; + return strdup(str); +} + +void test_pceplib_free(void *mem_type, void *ptr) +{ + ((struct test_memory_type *)mem_type)->num_free_calls++; + free(ptr); +} + +void verify_memory_type(struct pceplib_memory_type *mt, uint32_t num_alloc, + uint32_t alloc_bytes, uint32_t num_free, + uint32_t free_bytes) +{ + CU_ASSERT_EQUAL(num_alloc, mt->num_allocates); + CU_ASSERT_EQUAL(alloc_bytes, mt->total_bytes_allocated); + CU_ASSERT_EQUAL(num_free, mt->num_frees); + CU_ASSERT_EQUAL(free_bytes, mt->total_bytes_freed); +} + +void verify_ext_memory_type(void *mt, int num_malloc_calls, + int num_calloc_calls, int num_realloc_calls, + int num_strdup_calls, int num_free_calls) +{ + struct test_memory_type *mt_ptr = (struct test_memory_type *)mt; + CU_ASSERT_EQUAL(num_malloc_calls, mt_ptr->num_malloc_calls); + CU_ASSERT_EQUAL(num_calloc_calls, mt_ptr->num_calloc_calls); + CU_ASSERT_EQUAL(num_realloc_calls, mt_ptr->num_realloc_calls); + CU_ASSERT_EQUAL(num_strdup_calls, mt_ptr->num_strdup_calls); + CU_ASSERT_EQUAL(num_free_calls, mt_ptr->num_free_calls); +} + +void test_memory_internal_impl() +{ + int alloc_size = 100; + struct pceplib_memory_type *pceplib_infra_ptr = + (struct pceplib_memory_type *)PCEPLIB_INFRA; + struct pceplib_memory_type *pceplib_messages_ptr = + (struct pceplib_memory_type *)PCEPLIB_MESSAGES; + int alloc_counter = 1; + int free_counter = 1; + + /* reset the memory type counters for easier testing */ + pceplib_infra_ptr->num_allocates = + pceplib_infra_ptr->total_bytes_allocated = + pceplib_infra_ptr->num_frees = + pceplib_infra_ptr->total_bytes_freed = 0; + pceplib_messages_ptr->num_allocates = + pceplib_messages_ptr->total_bytes_allocated = + pceplib_messages_ptr->num_frees = + pceplib_messages_ptr->total_bytes_freed = 0; + + /* Make sure nothing crashes when all these are set NULL, since the + * internal default values should still be used. */ + pceplib_memory_initialize(NULL, NULL, NULL, NULL, NULL, NULL, NULL); + + /* Test malloc() */ + void *ptr = pceplib_malloc(PCEPLIB_INFRA, alloc_size); + CU_ASSERT_PTR_NOT_NULL(ptr); + pceplib_free(PCEPLIB_INFRA, ptr); + verify_memory_type(pceplib_infra_ptr, alloc_counter, alloc_size, + free_counter++, 0); + + /* Test calloc() */ + ptr = pceplib_calloc(PCEPLIB_INFRA, alloc_size); + CU_ASSERT_PTR_NOT_NULL(ptr); + pceplib_free(PCEPLIB_INFRA, ptr); + alloc_counter++; + verify_memory_type(pceplib_infra_ptr, alloc_counter, + alloc_size * alloc_counter, free_counter++, 0); + + /* Test realloc() */ + ptr = pceplib_malloc(PCEPLIB_INFRA, alloc_size); + CU_ASSERT_PTR_NOT_NULL(ptr); + ptr = pceplib_realloc(PCEPLIB_INFRA, ptr, alloc_size); + CU_ASSERT_PTR_NOT_NULL(ptr); + pceplib_free(PCEPLIB_INFRA, ptr); + alloc_counter += 2; + verify_memory_type(pceplib_infra_ptr, alloc_counter, + alloc_size * alloc_counter, free_counter++, 0); + + /* Test strdup() */ + ptr = pceplib_malloc(PCEPLIB_INFRA, alloc_size); + /* Make strdup duplicate (alloc_size - 1) bytes */ + memset(ptr, 'a', alloc_size); + ((char *)ptr)[alloc_size - 1] = '\0'; + char *str = pceplib_strdup(PCEPLIB_INFRA, (char *)ptr); + CU_ASSERT_PTR_NOT_NULL(ptr); + pceplib_free(PCEPLIB_INFRA, ptr); + pceplib_free(PCEPLIB_INFRA, str); + alloc_counter += 2; + free_counter++; + verify_memory_type(pceplib_infra_ptr, alloc_counter, + (alloc_size * alloc_counter) - 1, free_counter, 0); + + /* Make sure only the pceplib_infra_ptr memory counters are incremented + */ + verify_memory_type(pceplib_messages_ptr, 0, 0, 0, 0); +} + +void test_memory_external_impl() +{ + int alloc_size = 100; + struct pceplib_memory_type *pceplib_infra_ptr = + (struct pceplib_memory_type *)PCEPLIB_INFRA; + struct pceplib_memory_type *pceplib_messages_ptr = + (struct pceplib_memory_type *)PCEPLIB_MESSAGES; + + /* reset the internal memory type counters to later verify they are NOT + * incremented since an external impl was provided */ + pceplib_infra_ptr->num_allocates = + pceplib_infra_ptr->total_bytes_allocated = + pceplib_infra_ptr->num_frees = + pceplib_infra_ptr->total_bytes_freed = 0; + pceplib_messages_ptr->num_allocates = + pceplib_messages_ptr->total_bytes_allocated = + pceplib_messages_ptr->num_frees = + pceplib_messages_ptr->total_bytes_freed = 0; + + /* Setup the external memory type */ + struct test_memory_type infra_mt, messages_mt; + void *infra_ptr = &infra_mt; + void *messages_ptr = &messages_mt; + memset(infra_ptr, 0, sizeof(struct test_memory_type)); + memset(messages_ptr, 0, sizeof(struct test_memory_type)); + int free_counter = 1; + + /* Initialize the PCEPlib memory system with an external implementation + */ + pceplib_memory_initialize(infra_ptr, messages_ptr, test_pceplib_malloc, + test_pceplib_calloc, test_pceplib_realloc, + test_pceplib_strdup, test_pceplib_free); + + /* Test malloc() */ + void *ptr = pceplib_malloc(PCEPLIB_MESSAGES, alloc_size); + CU_ASSERT_PTR_NOT_NULL(ptr); + pceplib_free(PCEPLIB_MESSAGES, ptr); + verify_ext_memory_type(messages_ptr, 1, 0, 0, 0, free_counter++); + + /* Test calloc() */ + ptr = pceplib_calloc(PCEPLIB_MESSAGES, alloc_size); + CU_ASSERT_PTR_NOT_NULL(ptr); + pceplib_free(PCEPLIB_MESSAGES, ptr); + verify_ext_memory_type(messages_ptr, 1, 1, 0, 0, free_counter++); + + /* Test realloc() */ + ptr = pceplib_malloc(PCEPLIB_MESSAGES, alloc_size); + CU_ASSERT_PTR_NOT_NULL(ptr); + ptr = pceplib_realloc(PCEPLIB_MESSAGES, ptr, alloc_size); + CU_ASSERT_PTR_NOT_NULL(ptr); + pceplib_free(PCEPLIB_MESSAGES, ptr); + verify_ext_memory_type(messages_ptr, 2, 1, 1, 0, free_counter++); + + /* Test strdup() */ + ptr = pceplib_malloc(PCEPLIB_MESSAGES, alloc_size); + /* Make strdup duplicate (alloc_size - 1) bytes */ + memset(ptr, 'a', alloc_size); + ((char *)ptr)[alloc_size - 1] = '\0'; + char *str = pceplib_strdup(PCEPLIB_MESSAGES, (char *)ptr); + CU_ASSERT_PTR_NOT_NULL(ptr); + pceplib_free(PCEPLIB_MESSAGES, ptr); + pceplib_free(PCEPLIB_MESSAGES, str); + verify_ext_memory_type(messages_ptr, 3, 1, 1, 1, free_counter + 1); + + /* Make sure the internal memory counters are NOT incremented */ + verify_memory_type(pceplib_infra_ptr, 0, 0, 0, 0); + verify_memory_type(pceplib_messages_ptr, 0, 0, 0, 0); + + verify_ext_memory_type(infra_ptr, 0, 0, 0, 0, 0); +} |