| /* |
| *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. |
| */ |
| |
| /* |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <stdint.h> |
| #include <nffs/nffs.h> |
| #include <fs.h> |
| #include "nffs_test_utils.h" |
| #include <ztest_assert.h> |
| |
| extern struct k_mem_slab nffs_block_entry_pool; |
| extern struct k_mem_slab nffs_inode_entry_pool; |
| |
| void test_unlink(void) |
| { |
| struct fs_dirent file_stats; |
| fs_file_t file0, file1; |
| u8_t buf[64]; |
| struct nffs_file *nffs_file; |
| u32_t bytes_read; |
| int initial_num_blocks; |
| int initial_num_inodes; |
| int rc; |
| |
| rc = nffs_format_full(nffs_current_area_descs); |
| zassert_equal(rc, 0, "cannot format nffs"); |
| |
| initial_num_blocks = k_mem_slab_num_free_get(&nffs_block_entry_pool); |
| initial_num_inodes = k_mem_slab_num_free_get(&nffs_inode_entry_pool); |
| |
| nffs_test_util_create_file("/file0.txt", "0", 1); |
| |
| rc = fs_open(&file0, "/file0.txt"); |
| zassert_equal(rc, 0, "cannot open file"); |
| nffs_file = file0.fp; |
| zassert_equal(nffs_file->nf_inode_entry->nie_refcnt, 2, "inode error"); |
| |
| rc = fs_unlink("/file0.txt"); |
| zassert_equal(rc, 0, ""); |
| zassert_equal(nffs_file->nf_inode_entry->nie_refcnt, 1, "inode error"); |
| |
| rc = fs_stat("/file0.txt", &file_stats); |
| zassert_not_equal(rc, 0, "no such file"); |
| |
| rc = fs_write(&file0, "00", 2); |
| |
| rc = fs_seek(&file0, 0, FS_SEEK_SET); |
| zassert_equal(rc, 0, "cannot set pos in file"); |
| |
| bytes_read = fs_read(&file0, buf, sizeof(buf)); |
| zassert_equal(bytes_read, 2, "invalid bytes read"); |
| zassert_equal(memcmp(buf, "00", 2), 0, "invalid buffer size"); |
| |
| rc = fs_close(&file0); |
| zassert_equal(rc, 0, "cannot close file"); |
| |
| |
| rc = fs_stat("/file0.txt", &file_stats); |
| zassert_not_equal(rc, 0, "no such file"); |
| |
| /* Ensure the file was fully removed from RAM. */ |
| zassert_equal(k_mem_slab_num_free_get(&nffs_inode_entry_pool), |
| initial_num_inodes, "file not remove entirely"); |
| zassert_equal(k_mem_slab_num_free_get(&nffs_block_entry_pool), |
| initial_num_blocks, "file not remove entirely"); |
| |
| /*** Nested unlink. */ |
| rc = fs_mkdir("/mydir"); |
| zassert_equal(rc, 0, "cannot make directory"); |
| nffs_test_util_create_file("/mydir/file1.txt", "1", 2); |
| |
| rc = fs_open(&file1, "/mydir/file1.txt"); |
| zassert_equal(rc, 0, "cannot open file"); |
| nffs_file = file1.fp; |
| zassert_equal(nffs_file->nf_inode_entry->nie_refcnt, 2, "inode error"); |
| |
| rc = fs_unlink("/mydir"); |
| zassert_equal(rc, 0, "cannot delete directory"); |
| zassert_equal(nffs_file->nf_inode_entry->nie_refcnt, 1, "inode error"); |
| |
| rc = fs_stat("/mydir/file1.txt", &file_stats); |
| zassert_not_equal(rc, 0, "unlink failed"); |
| |
| rc = fs_write(&file1, "11", 2); |
| |
| rc = fs_seek(&file1, 0, FS_SEEK_SET); |
| zassert_equal(rc, 0, "cannot set pos in file"); |
| |
| bytes_read = fs_read(&file1, buf, sizeof(buf)); |
| zassert_equal(bytes_read, 2, "invalid bytes read"); |
| zassert_equal(memcmp(buf, "11", 2), 0, "invalid buffer size"); |
| |
| rc = fs_close(&file1); |
| zassert_equal(rc, 0, "cannot close file"); |
| |
| rc = fs_stat("/mydir/file1.txt", &file_stats); |
| zassert_not_equal(rc, 0, "unlink failed"); |
| |
| 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. */ |
| zassert_equal(k_mem_slab_num_free_get(&nffs_inode_entry_pool), |
| initial_num_inodes, "not all removed from RAM"); |
| zassert_equal(k_mem_slab_num_free_get(&nffs_block_entry_pool), |
| initial_num_blocks, "not all removed from RAM"); |
| } |