blob: 8c654d607a9894cb42e709301b2ba56204530761 [file] [log] [blame]
// Copyright 2020 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
use fidl_fuchsia_pkg as fidl;
/// FIDL types that can have their in-line and out-of-line message byte payload size measured.
pub trait Measurable {
/// Determine the message byte count for this instance.
fn measure(&self) -> usize;
}
impl Measurable for fidl::BlobId {
fn measure(&self) -> usize {
measure_fuchsia_pkg::Measurable::measure(self).num_bytes
}
}
impl Measurable for fidl::BlobInfo {
fn measure(&self) -> usize {
measure_fuchsia_pkg::Measurable::measure(self).num_bytes
}
}
impl Measurable for fidl::PackageIndexEntry {
fn measure(&self) -> usize {
measure_fuchsia_pkg::Measurable::measure(self).num_bytes
}
}
#[cfg(test)]
mod tests {
use {super::*, proptest::prelude::*, zerocopy::AsBytes};
prop_compose! {
fn arb_package_index_entry()(
url in ".{0,2048}",
blob_id: crate::BlobId,
) -> fidl::PackageIndexEntry {
fidl::PackageIndexEntry {
package_url: fidl::PackageUrl { url, },
meta_far_blob_id: blob_id.into(),
}
}
}
proptest! {
#![proptest_config(ProptestConfig{
// Disable persistence to avoid the warning for not running in the
// source code directory (since we're running on a Fuchsia target)
failure_persistence: None,
.. ProptestConfig::default()
})]
#[test]
fn blob_id_size_is_as_bytes_size(item: crate::BlobId) {
let item: fidl::BlobId = item.into();
let expected = item.as_bytes().len();
let actual = item.measure();
prop_assert_eq!(expected, actual);
}
#[test]
fn blob_info_size_is_as_bytes_size(item: crate::BlobInfo) {
let item: fidl::BlobInfo = item.into();
let expected = item.as_bytes().len();
let actual = item.measure();
prop_assert_eq!(expected, actual);
}
#[test]
fn package_index_entry_size_is_fidl_encoded_size(
mut item in arb_package_index_entry()
) {
let actual = item.measure();
let expected = ::fidl::encoding::with_tls_encoded(
&mut item,
|bytes, _handles| Result::<_, ::fidl::Error>::Ok(bytes.len())
).unwrap();
prop_assert_eq!(expected, actual);
}
}
}