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feat: Add v8::CreateParams::has_set_array_buffer_allocator (#1232)

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Bartek Iwańczuk 2023-05-22 14:33:17 +02:00 committed by GitHub
parent c68038bc7d
commit 367be04178
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2 changed files with 13 additions and 4 deletions
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7
src/isolate_create_params.rs
View file

@ -58,6 +58,13 @@ impl CreateParams {
self
}
/// Check if `array_buffer_allocator` has already been called. Useful to some
/// embedders that might want to set an allocator but not overwrite if one
/// was already set by a user.
pub fn has_set_array_buffer_allocator(&self) -> bool {
!self.raw.array_buffer_allocator_shared.is_null()
}
/// Specifies an optional nullptr-terminated array of raw addresses in the
/// embedder that V8 can match against during serialization and use for
/// deserialization. This array and its content must stay valid for the

10
tests/test_api.rs
View file

@ -7342,10 +7342,12 @@ fn run_with_rust_allocator() {
let count = Arc::new(AtomicUsize::new(0));
let _setup_guard = setup::parallel_test();
let create_params =
v8::CreateParams::default().array_buffer_allocator(unsafe {
v8::new_rust_allocator(Arc::into_raw(count.clone()), vtable)
});
let create_params = v8::CreateParams::default();
assert!(!create_params.has_set_array_buffer_allocator());
let create_params = create_params.array_buffer_allocator(unsafe {
v8::new_rust_allocator(Arc::into_raw(count.clone()), vtable)
});
assert!(create_params.has_set_array_buffer_allocator());
let isolate = &mut v8::Isolate::new(create_params);
{