| /* |
| * 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 "nffs_test_utils.h" |
| |
| TEST_CASE(nffs_test_unlink) |
| { |
| struct fs_file *file0; |
| struct fs_file *file2; |
| uint8_t buf[64]; |
| struct nffs_file *nfs_file; |
| uint32_t bytes_read; |
| struct fs_file *file1; |
| int initial_num_blocks; |
| int initial_num_inodes; |
| int rc; |
| |
| rc = nffs_format(nffs_current_area_descs); |
| TEST_ASSERT_FATAL(rc == 0); |
| |
| initial_num_blocks = nffs_block_entry_pool.mp_num_free; |
| initial_num_inodes = nffs_inode_entry_pool.mp_num_free; |
| |
| nffs_test_util_create_file("/file0.txt", "0", 1); |
| |
| rc = fs_open("/file0.txt", FS_ACCESS_READ | FS_ACCESS_WRITE, &file0); |
| TEST_ASSERT(rc == 0); |
| nfs_file = (struct nffs_file *)file0; |
| TEST_ASSERT(nfs_file->nf_inode_entry->nie_refcnt == 2); |
| |
| rc = fs_unlink("/file0.txt"); |
| TEST_ASSERT(rc == 0); |
| TEST_ASSERT(nfs_file->nf_inode_entry->nie_refcnt == 1); |
| |
| rc = fs_open("/file0.txt", FS_ACCESS_READ, &file2); |
| TEST_ASSERT(rc == FS_ENOENT); |
| |
| rc = fs_write(file0, "00", 2); |
| TEST_ASSERT(rc == 0); |
| |
| rc = fs_seek(file0, 0); |
| TEST_ASSERT(rc == 0); |
| |
| rc = fs_read(file0, sizeof buf, buf, &bytes_read); |
| TEST_ASSERT(rc == 0); |
| TEST_ASSERT(bytes_read == 2); |
| TEST_ASSERT(memcmp(buf, "00", 2) == 0); |
| |
| rc = fs_close(file0); |
| TEST_ASSERT(rc == 0); |
| |
| |
| rc = fs_open("/file0.txt", FS_ACCESS_READ, &file0); |
| TEST_ASSERT(rc == FS_ENOENT); |
| |
| /* Ensure the file was fully removed from RAM. */ |
| TEST_ASSERT(nffs_inode_entry_pool.mp_num_free == initial_num_inodes); |
| TEST_ASSERT(nffs_block_entry_pool.mp_num_free == initial_num_blocks); |
| |
| /*** Nested unlink. */ |
| rc = fs_mkdir("/mydir"); |
| TEST_ASSERT(rc == 0); |
| nffs_test_util_create_file("/mydir/file1.txt", "1", 2); |
| |
| rc = fs_open("/mydir/file1.txt", FS_ACCESS_READ | FS_ACCESS_WRITE, &file1); |
| TEST_ASSERT(rc == 0); |
| nfs_file = (struct nffs_file *)file1; |
| TEST_ASSERT(nfs_file->nf_inode_entry->nie_refcnt == 2); |
| |
| rc = fs_unlink("/mydir"); |
| TEST_ASSERT(rc == 0); |
| TEST_ASSERT(nfs_file->nf_inode_entry->nie_refcnt == 1); |
| |
| rc = fs_open("/mydir/file1.txt", FS_ACCESS_READ, &file2); |
| TEST_ASSERT(rc == FS_ENOENT); |
| |
| rc = fs_write(file1, "11", 2); |
| TEST_ASSERT(rc == 0); |
| |
| rc = fs_seek(file1, 0); |
| TEST_ASSERT(rc == 0); |
| |
| rc = fs_read(file1, sizeof buf, buf, &bytes_read); |
| TEST_ASSERT(rc == 0); |
| TEST_ASSERT(bytes_read == 2); |
| TEST_ASSERT(memcmp(buf, "11", 2) == 0); |
| |
| rc = fs_close(file1); |
| TEST_ASSERT(rc == 0); |
| |
| rc = fs_open("/mydir/file1.txt", FS_ACCESS_READ, &file1); |
| TEST_ASSERT(rc == FS_ENOENT); |
| |
| struct nffs_test_file_desc *expected_system = |
| (struct nffs_test_file_desc[]) { { |
| .filename = "", |
| .is_dir = 1, |
| } }; |
| |
| nffs_test_assert_system(expected_system, nffs_current_area_descs); |
| |
| /* Ensure the files and directories were fully removed from RAM. */ |
| TEST_ASSERT(nffs_inode_entry_pool.mp_num_free == initial_num_inodes); |
| TEST_ASSERT(nffs_block_entry_pool.mp_num_free == initial_num_blocks); |
| } |