alloc.c (2275B)
1/* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 20#include <CUnit/CUnit.h> 21#include <guacamole/mem.h> 22#include <stdint.h> 23 24/** 25 * Test which verifies that guac_mem_alloc() returns NULL for all inputs involving 26 * at least one zero value. 27 */ 28void test_mem__alloc_fail_zero() { 29 30 CU_ASSERT_PTR_NULL(guac_mem_alloc(0)); 31 CU_ASSERT_PTR_NULL(guac_mem_alloc(0, 0)); 32 CU_ASSERT_PTR_NULL(guac_mem_alloc(0, 0, 0)); 33 CU_ASSERT_PTR_NULL(guac_mem_alloc(0, 0, 0, 0)); 34 CU_ASSERT_PTR_NULL(guac_mem_alloc(0, 0, 0, 0, 0)); 35 36 CU_ASSERT_PTR_NULL(guac_mem_alloc(1, 0)); 37 CU_ASSERT_PTR_NULL(guac_mem_alloc(3, 2, 0)); 38 CU_ASSERT_PTR_NULL(guac_mem_alloc(5, 0, 8, 9)); 39 CU_ASSERT_PTR_NULL(guac_mem_alloc(99, 99, 99, 0, 99)); 40 41} 42 43/** 44 * Test which verifies that guac_mem_alloc() successfully allocates blocks of 45 * memory for inputs that can reasonably be expected to succeed. 46 */ 47void test_mem__alloc_success() { 48 49 void* ptr; 50 51 ptr = guac_mem_alloc(123); 52 CU_ASSERT_PTR_NOT_NULL(ptr); 53 guac_mem_free(ptr); 54 55 ptr = guac_mem_alloc(123, 456); 56 CU_ASSERT_PTR_NOT_NULL(ptr); 57 guac_mem_free(ptr); 58 59 ptr = guac_mem_alloc(123, 456, 789); 60 CU_ASSERT_PTR_NOT_NULL(ptr); 61 guac_mem_free(ptr); 62 63} 64 65/** 66 * Test which verifies that guac_mem_alloc() fails to allocate blocks of memory 67 * that exceed the capacity of a size_t. 68 */ 69void test_mem__alloc_fail_large() { 70 CU_ASSERT_PTR_NULL(guac_mem_alloc(123, 456, SIZE_MAX)); 71 CU_ASSERT_PTR_NULL(guac_mem_alloc(SIZE_MAX / 2, SIZE_MAX / 2)); 72} 73