sys_mman_test.cpp revision 0e44bc3baeb1677e5fbdda87a737b9c508c95132 
1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <gtest/gtest.h>
18
19#include <sys/mman.h>
20#include <unistd.h>
21
22TEST(sys_mman, mmap_negative) {
23  off_t off = -sysconf(_SC_PAGE_SIZE); // Aligned but negative.
24  ASSERT_EQ(MAP_FAILED, mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_ANON|MAP_PRIVATE, -1, off));
25}
26
27TEST(sys_mman, mmap64_negative) {
28  off64_t off64 = -sysconf(_SC_PAGE_SIZE); // Aligned but negative.
29  ASSERT_EQ(MAP_FAILED, mmap64(NULL, 4096, PROT_READ|PROT_WRITE, MAP_ANON|MAP_PRIVATE, -1, off64));
30}
31