From cb16439e85ed4f5de7b7017e1a994780ff670e37 Mon Sep 17 00:00:00 2001 From: Casper Beyer Date: Tue, 30 Jun 2020 05:45:39 +0800 Subject: feat(std/wasi): implement fd_sync (#6560) --- std/wasi/testdata/std_fs_file_sync_all.rs | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 std/wasi/testdata/std_fs_file_sync_all.rs (limited to 'std/wasi/testdata/std_fs_file_sync_all.rs') diff --git a/std/wasi/testdata/std_fs_file_sync_all.rs b/std/wasi/testdata/std_fs_file_sync_all.rs new file mode 100644 index 000000000..bb7bb34c7 --- /dev/null +++ b/std/wasi/testdata/std_fs_file_sync_all.rs @@ -0,0 +1,15 @@ +// { "preopens": { "/scratch": "scratch" } } + +fn main() { + let file = std::fs::File::create("/scratch/file").unwrap(); + + assert!(file.set_len(5).is_ok()); + assert!(file.sync_all().is_ok()); + let metadata = std::fs::metadata("/scratch/file").unwrap(); + assert_eq!(metadata.len(), 5); + + assert!(file.set_len(25).is_ok()); + assert!(file.sync_all().is_ok()); + let metadata = std::fs::metadata("/scratch/file").unwrap(); + assert_eq!(metadata.len(), 25); +} -- cgit v1.2.3