| /* |
| * 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_cache_large_file) |
| { |
| static char data[NFFS_BLOCK_MAX_DATA_SZ_MAX * 5]; |
| struct fs_file *file; |
| uint8_t b; |
| int rc; |
| |
| /*** Setup. */ |
| rc = nffs_format(nffs_current_area_descs); |
| TEST_ASSERT(rc == 0); |
| |
| nffs_test_util_create_file("/myfile.txt", data, sizeof data); |
| nffs_cache_clear(); |
| |
| /* Opening a file should not cause any blocks to get cached. */ |
| rc = fs_open("/myfile.txt", FS_ACCESS_READ, &file); |
| TEST_ASSERT(rc == 0); |
| nffs_test_util_assert_cache_range("/myfile.txt", 0, 0); |
| |
| /* Cache first block. */ |
| rc = fs_seek(file, nffs_block_max_data_sz * 0); |
| TEST_ASSERT(rc == 0); |
| rc = fs_read(file, 1, &b, NULL); |
| TEST_ASSERT(rc == 0); |
| nffs_test_util_assert_cache_range("/myfile.txt", |
| nffs_block_max_data_sz * 0, |
| nffs_block_max_data_sz * 1); |
| |
| /* Cache second block. */ |
| rc = fs_seek(file, nffs_block_max_data_sz * 1); |
| TEST_ASSERT(rc == 0); |
| rc = fs_read(file, 1, &b, NULL); |
| TEST_ASSERT(rc == 0); |
| nffs_test_util_assert_cache_range("/myfile.txt", |
| nffs_block_max_data_sz * 0, |
| nffs_block_max_data_sz * 2); |
| |
| |
| /* Cache fourth block; prior cache should get erased. */ |
| rc = fs_seek(file, nffs_block_max_data_sz * 3); |
| TEST_ASSERT(rc == 0); |
| rc = fs_read(file, 1, &b, NULL); |
| TEST_ASSERT(rc == 0); |
| nffs_test_util_assert_cache_range("/myfile.txt", |
| nffs_block_max_data_sz * 3, |
| nffs_block_max_data_sz * 4); |
| |
| /* Cache second and third blocks. */ |
| rc = fs_seek(file, nffs_block_max_data_sz * 1); |
| TEST_ASSERT(rc == 0); |
| rc = fs_read(file, 1, &b, NULL); |
| TEST_ASSERT(rc == 0); |
| nffs_test_util_assert_cache_range("/myfile.txt", |
| nffs_block_max_data_sz * 1, |
| nffs_block_max_data_sz * 4); |
| |
| /* Cache fifth block. */ |
| rc = fs_seek(file, nffs_block_max_data_sz * 4); |
| TEST_ASSERT(rc == 0); |
| rc = fs_read(file, 1, &b, NULL); |
| TEST_ASSERT(rc == 0); |
| nffs_test_util_assert_cache_range("/myfile.txt", |
| nffs_block_max_data_sz * 1, |
| nffs_block_max_data_sz * 5); |
| |
| rc = fs_close(file); |
| TEST_ASSERT(rc == 0); |
| } |