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Code Issues Packages 1 Wiki Activity

test(ffi): add mutable buffer tests (#12701)

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Carter Snook 2021-11-10 07:55:46 -06:00 committed by GitHub
parent 8ce53dd22b
commit 0cb81951af
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2 changed files with 25 additions and 0 deletions
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9
test_ffi/src/lib.rs
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@ -74,6 +74,15 @@ pub extern "C" fn sleep_blocking(ms: u64) {
sleep(duration);
}
#[allow(clippy::not_unsafe_ptr_arg_deref)]
#[no_mangle]
pub extern "C" fn fill_buffer(value: u8, buf: *mut u8, len: usize) {
let buf = unsafe { std::slice::from_raw_parts_mut(buf, len) };
for itm in buf.iter_mut() {
*itm = value;
}
}
#[allow(clippy::not_unsafe_ptr_arg_deref)]
#[no_mangle]
pub extern "C" fn nonblocking_buffer(ptr: *const u8, len: usize) {

16
test_ffi/tests/test.js
View file

@ -33,6 +33,7 @@ const dylib = Deno.dlopen(libPath, {
"add_isize": { parameters: ["isize", "isize"], result: "isize" },
"add_f32": { parameters: ["f32", "f32"], result: "f32" },
"add_f64": { parameters: ["f64", "f64"], result: "f64" },
"fill_buffer": { parameters: ["u8", "buffer", "usize"], result: "void" },
"sleep_blocking": { parameters: ["u64"], result: "void", nonblocking: true },
"nonblocking_buffer": {
parameters: ["buffer", "usize"],
@ -55,6 +56,21 @@ console.log(dylib.symbols.add_isize(123, 456));
console.log(dylib.symbols.add_f32(123.123, 456.789));
console.log(dylib.symbols.add_f64(123.123, 456.789));
// test mutating sync calls
function test_fill_buffer(fillValue, arr) {
let buf = new Uint8Array(arr);
dylib.symbols.fill_buffer(fillValue, buf, buf.length);
for (let i = 0; i < buf.length; i++) {
if (buf[i] !== fillValue) {
throw new Error(`Found '${buf[i]}' in buffer, expected '${fillValue}'.`);
}
}
}
test_fill_buffer(0, [2, 3, 4]);
test_fill_buffer(5, [2, 7, 3, 2, 1]);
// Test non blocking calls
function deferred() {