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fd_advise test: set size via fd_filestat_set_size and fd_allocate

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This commit is contained in:
Pat Hickey
2021-01-28 11:36:20 -08:00
parent e758318fee
commit f7403acb6f
1 changed files with 16 additions and 3 deletions
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19
crates/test-programs/wasi-tests/src/bin/fd_advise.rs
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@@ -1,6 +1,6 @@
use more_asserts::assert_gt;
use std::{env, process};
use wasi_tests::open_scratch_directory;
use wasi_tests::{open_scratch_directory, TESTCONFIG};
unsafe fn test_fd_advise(dir_fd: wasi::Fd) {
// Create a file in the scratch directory.
@@ -13,6 +13,7 @@ unsafe fn test_fd_advise(dir_fd: wasi::Fd) {
| wasi::RIGHTS_FD_WRITE
| wasi::RIGHTS_FD_ADVISE
| wasi::RIGHTS_FD_FILESTAT_GET
| wasi::RIGHTS_FD_FILESTAT_SET_SIZE
| wasi::RIGHTS_FD_ALLOCATE,
0,
0,
@@ -28,8 +29,8 @@ unsafe fn test_fd_advise(dir_fd: wasi::Fd) {
let stat = wasi::fd_filestat_get(file_fd).expect("failed to fdstat");
assert_eq!(stat.size, 0, "file size should be 0");
// Allocate some size
wasi::fd_allocate(file_fd, 0, 100).expect("allocating size");
// set_size it bigger
wasi::fd_filestat_set_size(file_fd, 100).expect("setting size");
let stat = wasi::fd_filestat_get(file_fd).expect("failed to fdstat 2");
assert_eq!(stat.size, 100, "file size should be 100");
@@ -37,6 +38,18 @@ unsafe fn test_fd_advise(dir_fd: wasi::Fd) {
// Advise the kernel
wasi::fd_advise(file_fd, 10, 50, wasi::ADVICE_NORMAL).expect("failed advise");
// Advise shouldnt change size
let stat = wasi::fd_filestat_get(file_fd).expect("failed to fdstat 3");
assert_eq!(stat.size, 100, "file size should be 100");
if TESTCONFIG.support_fd_allocate() {
// Use fd_allocate to expand size to 200:
wasi::fd_allocate(file_fd, 100, 100).expect("allocating size");
let stat = wasi::fd_filestat_get(file_fd).expect("failed to fdstat 3");
assert_eq!(stat.size, 200, "file size should be 200");
}
wasi::fd_close(file_fd).expect("failed to close");
wasi::path_unlink_file(dir_fd, "file").expect("failed to unlink");
}