guacamole-server/src/libguac/tests/mem/alloc.c

74 lines
2.2 KiB
C

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 <CUnit/CUnit.h>
#include <guacamole/mem.h>
#include <stdint.h>
/**
* Test which verifies that guac_mem_alloc() returns NULL for all inputs involving
* at least one zero value.
*/
void test_mem__alloc_fail_zero() {
CU_ASSERT_PTR_NULL(guac_mem_alloc(0));
CU_ASSERT_PTR_NULL(guac_mem_alloc(0, 0));
CU_ASSERT_PTR_NULL(guac_mem_alloc(0, 0, 0));
CU_ASSERT_PTR_NULL(guac_mem_alloc(0, 0, 0, 0));
CU_ASSERT_PTR_NULL(guac_mem_alloc(0, 0, 0, 0, 0));
CU_ASSERT_PTR_NULL(guac_mem_alloc(1, 0));
CU_ASSERT_PTR_NULL(guac_mem_alloc(3, 2, 0));
CU_ASSERT_PTR_NULL(guac_mem_alloc(5, 0, 8, 9));
CU_ASSERT_PTR_NULL(guac_mem_alloc(99, 99, 99, 0, 99));
}
/**
* Test which verifies that guac_mem_alloc() successfully allocates blocks of
* memory for inputs that can reasonably be expected to succeed.
*/
void test_mem__alloc_success() {
void* ptr;
ptr = guac_mem_alloc(123);
CU_ASSERT_PTR_NOT_NULL(ptr);
guac_mem_free(ptr);
ptr = guac_mem_alloc(123, 456);
CU_ASSERT_PTR_NOT_NULL(ptr);
guac_mem_free(ptr);
ptr = guac_mem_alloc(123, 456, 789);
CU_ASSERT_PTR_NOT_NULL(ptr);
guac_mem_free(ptr);
}
/**
* Test which verifies that guac_mem_alloc() fails to allocate blocks of memory
* that exceed the capacity of a size_t.
*/
void test_mem__alloc_fail_large() {
CU_ASSERT_PTR_NULL(guac_mem_alloc(123, 456, SIZE_MAX));
CU_ASSERT_PTR_NULL(guac_mem_alloc(SIZE_MAX / 2, SIZE_MAX / 2));
}