From 3c5459d849502963ee44efc7c3137db6e9fc63b2 Mon Sep 17 00:00:00 2001 From: Casper Beyer Date: Tue, 30 Jun 2020 02:36:22 +0800 Subject: feat(std/wasi) implement fd_filestat_set_size (#6558) --- std/wasi/testdata/std_fs_file_set_len.rs | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 std/wasi/testdata/std_fs_file_set_len.rs (limited to 'std/wasi/testdata/std_fs_file_set_len.rs') diff --git a/std/wasi/testdata/std_fs_file_set_len.rs b/std/wasi/testdata/std_fs_file_set_len.rs new file mode 100644 index 000000000..27f1054c7 --- /dev/null +++ b/std/wasi/testdata/std_fs_file_set_len.rs @@ -0,0 +1,17 @@ +// { "preopens": { "/scratch": "scratch" } } + +fn main() { + let file = std::fs::File::create("/scratch/file").unwrap(); + + assert!(file.set_len(0).is_ok()); + assert_eq!(file.metadata().unwrap().len(), 0); + + assert!(file.set_len(5).is_ok()); + assert_eq!(file.metadata().unwrap().len(), 5); + + assert!(file.set_len(25).is_ok()); + assert_eq!(file.metadata().unwrap().len(), 25); + + assert!(file.set_len(0).is_ok()); + assert_eq!(file.metadata().unwrap().len(), 0); +} -- cgit v1.2.3