Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

test_capi: Create a test ffi::cubeb context rather than using a nullptr. #113

Merged
merged 1 commit into from
Feb 6, 2025
Merged

test_capi: Create a test ffi::cubeb context rather than using a nullptr. #113

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
46 changes: 40 additions & 6 deletions cubeb-backend/tests/test_capi.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ use cubeb_backend::{
use std::ffi::CStr;
use std::os::raw::c_void;
use std::ptr;
use std::sync::OnceLock;

pub const OPS: Ops = capi_new!(TestContext, TestStream);

Expand Down Expand Up @@ -144,12 +145,13 @@ fn test_ops_context_init() {
unsafe { OPS.init.unwrap()(&mut c, ptr::null()) },
ffi::CUBEB_OK
);
assert!(!c.is_null());
unsafe { OPS.destroy.unwrap()(c) }
}

#[test]
fn test_ops_context_max_channel_count() {
let c: *mut ffi::cubeb = ptr::null_mut();
let c: *mut ffi::cubeb = get_ctx();
let mut max_channel_count = u32::max_value();
assert_eq!(
unsafe { OPS.get_max_channel_count.unwrap()(c, &mut max_channel_count) },
Expand All @@ -160,7 +162,7 @@ fn test_ops_context_max_channel_count() {

#[test]
fn test_ops_context_min_latency() {
let c: *mut ffi::cubeb = ptr::null_mut();
let c: *mut ffi::cubeb = get_ctx();
let params: ffi::cubeb_stream_params = unsafe { ::std::mem::zeroed() };
let mut latency = u32::max_value();
assert_eq!(
Expand All @@ -172,7 +174,7 @@ fn test_ops_context_min_latency() {

#[test]
fn test_ops_context_preferred_sample_rate() {
let c: *mut ffi::cubeb = ptr::null_mut();
let c: *mut ffi::cubeb = get_ctx();
let mut rate = u32::max_value();
assert_eq!(
unsafe { OPS.get_preferred_sample_rate.unwrap()(c, &mut rate) },
Expand All @@ -183,7 +185,7 @@ fn test_ops_context_preferred_sample_rate() {

#[test]
fn test_ops_context_supported_input_processing_params() {
let c: *mut ffi::cubeb = ptr::null_mut();
let c: *mut ffi::cubeb = get_ctx();
let mut params: ffi::cubeb_input_processing_params = InputProcessingParams::all().bits();
assert_eq!(
unsafe { OPS.get_supported_input_processing_params.unwrap()(c, &mut params) },
Expand All @@ -194,7 +196,7 @@ fn test_ops_context_supported_input_processing_params() {

#[test]
fn test_ops_context_enumerate_devices() {
let c: *mut ffi::cubeb = ptr::null_mut();
let c: *mut ffi::cubeb = get_ctx();
let mut coll = ffi::cubeb_device_collection {
device: ptr::null_mut(),
count: 0,
Expand All @@ -209,7 +211,7 @@ fn test_ops_context_enumerate_devices() {

#[test]
fn test_ops_context_device_collection_destroy() {
let c: *mut ffi::cubeb = ptr::null_mut();
let c: *mut ffi::cubeb = get_ctx();
let mut coll = ffi::cubeb_device_collection {
device: 0xDEAD_BEEF as *mut _,
count: usize::max_value(),
Expand Down Expand Up @@ -296,3 +298,35 @@ fn test_ops_stream_device_destroy() {
OPS.stream_device_destroy.unwrap()(s, 0xDEAD_BEEF as *mut _);
}
}

fn get_ctx() -> *mut ffi::cubeb {
CONTEXT.get_or_init(TestContextPtr::new).ptr
}

static CONTEXT: OnceLock<TestContextPtr> = OnceLock::new();

struct TestContextPtr {
ptr: *mut ffi::cubeb,
}

// Safety: ffi::cubeb implementations are expected to be thread-safe.
unsafe impl Send for TestContextPtr {}
unsafe impl Sync for TestContextPtr {}

impl TestContextPtr {
fn new() -> Self {
let mut c: *mut ffi::cubeb = ptr::null_mut();
assert_eq!(
unsafe { OPS.init.unwrap()(&mut c, ptr::null()) },
ffi::CUBEB_OK
);
assert!(!c.is_null());
TestContextPtr { ptr: c }
}
}

impl Drop for TestContextPtr {
fn drop(&mut self) {
unsafe { OPS.destroy.unwrap()(self.ptr) }
}
}
Loading