diff options
| -rw-r--r-- | kernel/kernel/filesystem/ext2/inode.tests.cpp | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/kernel/kernel/filesystem/ext2/inode.tests.cpp b/kernel/kernel/filesystem/ext2/inode.tests.cpp index 7b00dae1..8341dbbf 100644 --- a/kernel/kernel/filesystem/ext2/inode.tests.cpp +++ b/kernel/kernel/filesystem/ext2/inode.tests.cpp @@ -303,7 +303,7 @@ SCENARIO_METHOD(kernel::tests::filesystem::storage_boot_module_fixture, "Ext2 in REQUIRE(file); REQUIRE(file.value()->is_regular()); - THEN("writing to the inode updates backing device") + THEN("writing to the inode updates backing device and the inode size") { auto write_buffer = kstd::vector<std::byte>{std::byte{'H'}, std::byte{'e'}, std::byte{'l'}, std::byte{'l'}, std::byte{'o'}, std::byte{' '}, std::byte{'W'}, std::byte{'o'}, @@ -318,6 +318,31 @@ SCENARIO_METHOD(kernel::tests::filesystem::storage_boot_module_fixture, "Ext2 in auto const text = std::string_view{reinterpret_cast<char const *>(read_buffer.data()), *bytes_read}; REQUIRE(text == "Hello World!"); + + auto inode_data = static_cast<kernel::filesystem::ext2::inode *>(file.get())->data(); + REQUIRE(inode_data.size == bytes_read); + } + + THEN("writing allocates new blocks and updates the inode size") + { + auto inode_data = static_cast<kernel::filesystem::ext2::inode *>(file.get())->data(); + + auto const block_size = fs.block_size(); + auto const expected_allocated_blocks = 32 * fs.inode_block_count(inode_data); + + auto write_buffer = kstd::vector<std::byte>(block_size * expected_allocated_blocks, std::byte{'A'}); + + auto const bytes_written = file->write(write_buffer.data(), 0, write_buffer.size()); + REQUIRE(bytes_written == block_size * expected_allocated_blocks); + + auto read_buffer = kstd::vector<std::byte>(block_size * expected_allocated_blocks, std::byte{0x00}); + auto const bytes_read = file->read(read_buffer.data(), 0, read_buffer.size()); + REQUIRE(bytes_read == block_size * expected_allocated_blocks); + REQUIRE(std::ranges::all_of(read_buffer, [](std::byte c) { return c == std::byte{'A'}; })); + + auto new_inode_data = static_cast<kernel::filesystem::ext2::inode *>(file.get())->data(); + REQUIRE(new_inode_data.size == write_buffer.size()); + REQUIRE(fs.inode_block_count(new_inode_data) == expected_allocated_blocks); } THEN("writing to a an inode of type directory panics") |