void app_start(int, char**) {
MBED_HOSTTEST_TIMEOUT(5);
MBED_HOSTTEST_SELECT(default);
MBED_HOSTTEST_DESCRIPTION(mbed-util extendable pool allocator test);
MBED_HOSTTEST_START("MBED_UTIL_EXTENDABLE_POOL_ALLOCATOR_TEST");
// Create the allocator
const size_t initial_elements = 20, new_pool_elements = 12, element_size = 6;
UAllocTraits_t traits = {0};
ExtendablePoolAllocator allocator;
MBED_HOSTTEST_ASSERT(allocator.init(initial_elements, new_pool_elements, element_size, traits));
// Fill the first pool
for (unsigned i = 0; i < initial_elements; i ++) {
MBED_HOSTTEST_ASSERT(check_value_and_alignment(allocator.alloc()));
}
MBED_HOSTTEST_ASSERT(allocator.get_num_pools() == 1);
// Allocating just another element should add another pool
void *p = allocator.alloc();
MBED_HOSTTEST_ASSERT(check_value_and_alignment(p));
MBED_HOSTTEST_ASSERT(allocator.get_num_pools() == 2);
// Fill the new pool
for (unsigned i = 0; i < new_pool_elements - 1; i ++) {
MBED_HOSTTEST_ASSERT(check_value_and_alignment(allocator.alloc()));
}
MBED_HOSTTEST_ASSERT(allocator.get_num_pools() == 2);
// Free one previously allocated area
allocator.free(p);
// And allocate again. Since there's a single free place, it should be used now
void *newp = allocator.alloc();
MBED_HOSTTEST_ASSERT(check_value_and_alignment(newp));
MBED_HOSTTEST_ASSERT(newp == p);
MBED_HOSTTEST_ASSERT(allocator.get_num_pools() == 2);
MBED_HOSTTEST_RESULT(true);
}
static void test_extendable_pool_allocator() {
// Create the allocator
const size_t initial_elements = 20, new_pool_elements = 12, element_size = 6;
UAllocTraits_t traits = {0};
ExtendablePoolAllocator allocator;
TEST_ASSERT_TRUE(allocator.init(initial_elements, new_pool_elements, element_size, traits));
// Fill the first pool
for (unsigned i = 0; i < initial_elements; i ++) {
TEST_ASSERT_TRUE(check_value_and_alignment(allocator.alloc()));
}
TEST_ASSERT_EQUAL(1, allocator.get_num_pools());
// Allocating just another element should add another pool
void *p = allocator.alloc();
TEST_ASSERT_TRUE(check_value_and_alignment(p));
TEST_ASSERT_EQUAL(2, allocator.get_num_pools());
// Fill the new pool
for (unsigned i = 0; i < new_pool_elements - 1; i ++) {
TEST_ASSERT_TRUE(check_value_and_alignment(allocator.alloc()));
}
TEST_ASSERT_EQUAL(2, allocator.get_num_pools());
// Free one previously allocated area
allocator.free(p);
// And allocate again. Since there's a single free place, it should be used now
void *newp = allocator.alloc();
TEST_ASSERT_TRUE(check_value_and_alignment(newp));
TEST_ASSERT_EQUAL(p, newp);
TEST_ASSERT_EQUAL(2, allocator.get_num_pools());
}