diff options
Diffstat (limited to 'kernel/src/filesystem/open_file_descriptor.tests.cpp')
| -rw-r--r-- | kernel/src/filesystem/open_file_descriptor.tests.cpp | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/kernel/src/filesystem/open_file_descriptor.tests.cpp b/kernel/src/filesystem/open_file_descriptor.tests.cpp deleted file mode 100644 index 8c24cf0e..00000000 --- a/kernel/src/filesystem/open_file_descriptor.tests.cpp +++ /dev/null @@ -1,113 +0,0 @@ -#include <kernel/filesystem/open_file_descriptor.hpp> - -#include <kernel/filesystem/dentry.hpp> -#include <kernel/filesystem/inode.hpp> -#include <kernel/filesystem/vfs.hpp> -#include <kernel/test_support/filesystem/inode.hpp> -#include <kernel/test_support/filesystem/storage_boot_module_vfs_fixture.hpp> - -#include <kstd/memory> -#include <kstd/print> -#include <kstd/vector> - -#include <catch2/catch_test_macros.hpp> - -#include <cstddef> -#include <filesystem> -#include <string_view> - -SCENARIO("Open file descriptor construction", "[filesystem][open_file_descriptor]") -{ - GIVEN("a dentry and an open file descriptor for that dentry") - { - auto inode = kstd::make_shared<kernel::tests::filesystem::inode>(); - auto dentry = kstd::make_shared<kernel::filesystem::dentry>(nullptr, inode, "test_dentry"); - auto file_descriptor = kernel::filesystem::open_file_descriptor{dentry}; - - THEN("the initial offset is zero") - { - REQUIRE(file_descriptor.offset() == 0); - } - } -} - -SCENARIO("Open file descriptor read/write offset management", "[filesystem][open_file_descriptor]") -{ - GIVEN("a dentry that tracks read/write calls and an open file descriptor for that dentry") - { - auto inode = kstd::make_shared<kernel::tests::filesystem::inode>(); - auto dentry = kstd::make_shared<kernel::filesystem::dentry>(nullptr, inode, "test_dentry"); - auto file_descriptor = kernel::filesystem::open_file_descriptor{dentry}; - - THEN("the offset is updated correctly after reads") - { - REQUIRE(file_descriptor.read(nullptr, 100) == 100); - REQUIRE(file_descriptor.offset() == 100); - REQUIRE(file_descriptor.read(nullptr, 50) == 50); - REQUIRE(file_descriptor.offset() == 150); - } - - THEN("the offset is updated correctly after writes") - { - REQUIRE(file_descriptor.write(nullptr, 200) == 200); - REQUIRE(file_descriptor.offset() == 200); - REQUIRE(file_descriptor.write(nullptr, 25) == 25); - REQUIRE(file_descriptor.offset() == 225); - } - - THEN("reads and writes both update the same offset") - { - REQUIRE(file_descriptor.read(nullptr, 10) == 10); - REQUIRE(file_descriptor.offset() == 10); - REQUIRE(file_descriptor.write(nullptr, 20) == 20); - REQUIRE(file_descriptor.offset() == 30); - REQUIRE(file_descriptor.read(nullptr, 5) == 5); - REQUIRE(file_descriptor.offset() == 35); - REQUIRE(file_descriptor.write(nullptr, 15) == 15); - REQUIRE(file_descriptor.offset() == 50); - } - } -} - -SCENARIO_METHOD(kernel::tests::filesystem::storage_boot_module_vfs_fixture, "Open file descriptor read with real image", - "[filesystem][open_file_descriptor][img]") -{ - auto const image_path = std::filesystem::path{KERNEL_TEST_ASSETS_DIR} / "ext2_1KB_fs.img"; - - GIVEN("an open file descriptor for a file in a real image") - { - REQUIRE(std::filesystem::exists(image_path)); - REQUIRE_NOTHROW(setup_modules_from_img_and_init_vfs({"test_img_module"}, {image_path})); - - auto & vfs = kernel::filesystem::vfs::get(); - auto dentry = vfs.open("/information/info_1.txt"); - REQUIRE(dentry != nullptr); - auto ofd = kstd::make_shared<kernel::filesystem::open_file_descriptor>(dentry); - - THEN("the file can be read and the offset is updated") - { - kstd::vector<std::byte> buffer(32); - auto bytes_read = ofd->read(buffer.data(), buffer.size()); - REQUIRE(bytes_read == 7); - REQUIRE(ofd->offset() == 7); - - std::string_view buffer_as_str{reinterpret_cast<char *>(buffer.data()), static_cast<size_t>(bytes_read)}; - REQUIRE(buffer_as_str == "info_1\n"); - } - - THEN("the file can be read multiple times") - { - kstd::vector<std::byte> buffer(4); - auto bytes_read_1 = ofd->read(buffer.data(), buffer.size() / 2); - REQUIRE(bytes_read_1 == buffer.size() / 2); - REQUIRE(ofd->offset() == buffer.size() / 2); - - auto bytes_read_2 = ofd->read(buffer.data() + buffer.size() / 2, buffer.size() / 2); - REQUIRE(bytes_read_2 == buffer.size() / 2); - REQUIRE(ofd->offset() == buffer.size()); - - std::string_view buffer_as_str{reinterpret_cast<char *>(buffer.data()), bytes_read_1 + bytes_read_2}; - REQUIRE(buffer_as_str == "info"); - } - } -} |
