diff options
Diffstat (limited to '')
-rw-r--r-- | third_party/rust/nix/test/sys/test_statfs.rs | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/third_party/rust/nix/test/sys/test_statfs.rs b/third_party/rust/nix/test/sys/test_statfs.rs new file mode 100644 index 0000000000..66b3f2ce96 --- /dev/null +++ b/third_party/rust/nix/test/sys/test_statfs.rs @@ -0,0 +1,99 @@ +use nix::sys::statfs::*; +use nix::sys::statvfs::*; +use std::fs::File; +use std::path::Path; + +fn check_fstatfs(path: &str) { + if !Path::new(path).exists() { + return; + } + let vfs = statvfs(path.as_bytes()).unwrap(); + let file = File::open(path).unwrap(); + let fs = fstatfs(&file).unwrap(); + assert_fs_equals(fs, vfs); +} + +fn check_statfs(path: &str) { + if !Path::new(path).exists() { + return; + } + let vfs = statvfs(path.as_bytes()).unwrap(); + let fs = statfs(path.as_bytes()).unwrap(); + assert_fs_equals(fs, vfs); +} + +fn check_fstatfs_strict(path: &str) { + if !Path::new(path).exists() { + return; + } + let vfs = statvfs(path.as_bytes()); + let file = File::open(path).unwrap(); + let fs = fstatfs(&file); + assert_fs_equals_strict(fs.unwrap(), vfs.unwrap()) +} + +fn check_statfs_strict(path: &str) { + if !Path::new(path).exists() { + return; + } + let vfs = statvfs(path.as_bytes()); + let fs = statfs(path.as_bytes()); + assert_fs_equals_strict(fs.unwrap(), vfs.unwrap()) +} + +// The cast is not unnecessary on all platforms. +#[allow(clippy::unnecessary_cast)] +fn assert_fs_equals(fs: Statfs, vfs: Statvfs) { + assert_eq!(fs.files() as u64, vfs.files() as u64); + assert_eq!(fs.blocks() as u64, vfs.blocks() as u64); + assert_eq!(fs.block_size() as u64, vfs.fragment_size() as u64); +} + +#[test] +fn statfs_call() { + check_statfs("/tmp"); + check_statfs("/dev"); + check_statfs("/run"); + check_statfs("/"); +} + +#[test] +fn fstatfs_call() { + check_fstatfs("/tmp"); + check_fstatfs("/dev"); + check_fstatfs("/run"); + check_fstatfs("/"); +} + +// This test is ignored because files_free/blocks_free can change after statvfs call and before +// statfs call. +#[test] +#[ignore] +fn statfs_call_strict() { + check_statfs_strict("/tmp"); + check_statfs_strict("/dev"); + check_statfs_strict("/run"); + check_statfs_strict("/"); +} + +// This test is ignored because files_free/blocks_free can change after statvfs call and before +// fstatfs call. +#[test] +#[ignore] +fn fstatfs_call_strict() { + check_fstatfs_strict("/tmp"); + check_fstatfs_strict("/dev"); + check_fstatfs_strict("/run"); + check_fstatfs_strict("/"); +} + +// The cast is not unnecessary on all platforms. +#[allow(clippy::unnecessary_cast)] +fn assert_fs_equals_strict(fs: Statfs, vfs: Statvfs) { + assert_eq!(fs.files_free() as u64, vfs.files_free() as u64); + assert_eq!(fs.blocks_free() as u64, vfs.blocks_free() as u64); + assert_eq!(fs.blocks_available() as u64, vfs.blocks_available() as u64); + assert_eq!(fs.files() as u64, vfs.files() as u64); + assert_eq!(fs.blocks() as u64, vfs.blocks() as u64); + assert_eq!(fs.block_size() as u64, vfs.fragment_size() as u64); +} |