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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#[macro_use]
extern crate js;
use js::jsapi::*;
use js::jsval::UndefinedValue;
use js::rust::Runtime as Runtime_;
use js::rust::SIMPLE_GLOBAL_CLASS;
use js::typedarray::{CreateWith, Uint32Array};
use std::ptr;
#[test]
fn typedarray() {
let rt = Runtime_::new(false).unwrap();
let cx = rt.cx();
unsafe {
rooted!(in(cx) let global =
JS_NewGlobalObject(cx, &SIMPLE_GLOBAL_CLASS, ptr::null_mut(),
JS::OnNewGlobalHookOption::FireOnNewGlobalHook,
&JS::RealmOptions::default())
);
let _ar = js::ar::AutoRealm::with_obj(cx, global.get());
rooted!(in(cx) let mut rval = UndefinedValue());
assert!(rt
.evaluate_script(
global.handle(),
"new Uint8Array([0, 2, 4])",
"test",
1,
rval.handle_mut()
)
.is_ok());
assert!(rval.is_object());
typedarray!(in(cx) let array: Uint8Array = rval.to_object());
assert_eq!(array.unwrap().as_slice(), &[0, 2, 4][..]);
typedarray!(in(cx) let array: Uint16Array = rval.to_object());
assert!(array.is_err());
typedarray!(in(cx) let view: ArrayBufferView = rval.to_object());
assert_eq!(
view.unwrap().get_array_type(),
js::jsapi::js::Scalar::Type::Uint8
);
rooted!(in(cx) let mut rval = ptr::null_mut());
assert!(Uint32Array::create(cx, CreateWith::Slice(&[1, 3, 5]), rval.handle_mut()).is_ok());
typedarray!(in(cx) let array: Uint32Array = rval.get());
assert_eq!(array.unwrap().as_slice(), &[1, 3, 5][..]);
typedarray!(in(cx) let mut array: Uint32Array = rval.get());
array.as_mut().unwrap().update(&[2, 4, 6]);
assert_eq!(array.unwrap().as_slice(), &[2, 4, 6][..]);
rooted!(in(cx) let rval = ptr::null_mut());
typedarray!(in(cx) let array: Uint8Array = rval.get());
assert!(array.is_err());
rooted!(in(cx) let mut rval = ptr::null_mut());
assert!(Uint32Array::create(cx, CreateWith::Length(5), rval.handle_mut()).is_ok());
typedarray!(in(cx) let array: Uint32Array = rval.get());
assert_eq!(array.unwrap().as_slice(), &[0, 0, 0, 0, 0]);
typedarray!(in(cx) let mut array: Uint32Array = rval.get());
array.as_mut().unwrap().update(&[0, 1, 2, 3]);
assert_eq!(array.unwrap().as_slice(), &[0, 1, 2, 3, 0]);
typedarray!(in(cx) let view: ArrayBufferView = rval.get());
assert_eq!(
view.unwrap().get_array_type(),
js::jsapi::js::Scalar::Type::Uint32
);
}
}
#[test]
#[should_panic]
fn typedarray_update_panic() {
let rt = Runtime_::new(false).unwrap();
let cx = rt.cx();
unsafe {
rooted!(in(cx) let global =
JS_NewGlobalObject(cx, &SIMPLE_GLOBAL_CLASS, ptr::null_mut(),
JS::OnNewGlobalHookOption::FireOnNewGlobalHook,
&JS::RealmOptions::default())
);
let _ar = js::ar::AutoRealm::with_obj(cx, global.get());
rooted!(in(cx) let mut rval = ptr::null_mut());
let _ = Uint32Array::create(cx, CreateWith::Slice(&[1, 2, 3, 4, 5]), rval.handle_mut());
typedarray!(in(cx) let mut array: Uint32Array = rval.get());
array.as_mut().unwrap().update(&[0, 2, 4, 6, 8, 10]);
}
}
|
