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Counting malloc and free calls to avoid memory leaks (#82).

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This commit is contained in:
Krzysztof Gabis 2017-09-06 10:13:23 +01:00
parent 343fe13f17
commit 578b25e590
1 changed files with 23 additions and 1 deletions
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24
tests.c
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@ -53,6 +53,10 @@ void print_commits_info(const char *username, const char *repo);
void persistence_example(void); void persistence_example(void);
void serialization_example(void); void serialization_example(void);
static int malloc_count;
static void *counted_malloc(size_t size);
static void counted_free(void *ptr);
static char * read_file(const char * filename); static char * read_file(const char * filename);
static int tests_passed; static int tests_passed;
@ -63,7 +67,7 @@ int main() {
/* print_commits_info("torvalds", "linux"); */ /* print_commits_info("torvalds", "linux"); */
/* serialization_example(); */ /* serialization_example(); */
/* persistence_example(); */ /* persistence_example(); */
json_set_allocation_functions(counted_malloc, counted_free);
test_suite_1(); test_suite_1();
test_suite_2_no_comments(); test_suite_2_no_comments();
test_suite_2_with_comments(); test_suite_2_with_comments();
@ -244,6 +248,7 @@ void test_suite_3(void) {
TEST(json_parse_string("123") != NULL); TEST(json_parse_string("123") != NULL);
puts("Testing invalid strings:"); puts("Testing invalid strings:");
malloc_count = 0;
TEST(json_parse_string(NULL) == NULL); TEST(json_parse_string(NULL) == NULL);
TEST(json_parse_string("") == NULL); /* empty string */ TEST(json_parse_string("") == NULL); /* empty string */
TEST(json_parse_string("[\"lorem\",]") == NULL); TEST(json_parse_string("[\"lorem\",]") == NULL);
@ -264,6 +269,7 @@ void test_suite_3(void) {
TEST(json_parse_string("{:\"no name\"}") == NULL); TEST(json_parse_string("{:\"no name\"}") == NULL);
TEST(json_parse_string("[,\"no first value\"]") == NULL); TEST(json_parse_string("[,\"no first value\"]") == NULL);
TEST(json_parse_string("{\"key\"\"value\"}") == NULL); TEST(json_parse_string("{\"key\"\"value\"}") == NULL);
TEST(json_parse_string("{\"a\"}") == NULL);
TEST(json_parse_string("[\"\\u00zz\"]") == NULL); /* invalid utf value */ TEST(json_parse_string("[\"\\u00zz\"]") == NULL); /* invalid utf value */
TEST(json_parse_string("[\"\\u00\"]") == NULL); /* invalid utf value */ TEST(json_parse_string("[\"\\u00\"]") == NULL); /* invalid utf value */
TEST(json_parse_string("[\"\\u\"]") == NULL); /* invalid utf value */ TEST(json_parse_string("[\"\\u\"]") == NULL); /* invalid utf value */
@ -287,6 +293,7 @@ void test_suite_3(void) {
TEST(json_parse_string("[\"\\uDF67\\uD834\"]") == NULL); /* wrong order surrogate pair */ TEST(json_parse_string("[\"\\uDF67\\uD834\"]") == NULL); /* wrong order surrogate pair */
TEST(json_parse_string("[1.7976931348623157e309]") == NULL); TEST(json_parse_string("[1.7976931348623157e309]") == NULL);
TEST(json_parse_string("[-1.7976931348623157e309]") == NULL); TEST(json_parse_string("[-1.7976931348623157e309]") == NULL);
TEST(malloc_count == 0);
} }
void test_suite_4() { void test_suite_4() {
@ -598,3 +605,18 @@ static char * read_file(const char * filename) {
file_contents[file_size] = '\0'; file_contents[file_size] = '\0';
return file_contents; return file_contents;
} }
static void *counted_malloc(size_t size) {
void *res = malloc(size);
if (res != NULL) {
malloc_count++;
}
return res;
}
static void counted_free(void *ptr) {
if (ptr != NULL) {
malloc_count--;
}
free(ptr);
}