зеркало из https://github.com/mozilla/gecko-dev.git
81 строка
2.9 KiB
Rust
81 строка
2.9 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#[macro_use]
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extern crate js;
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use js::ac::AutoCompartment;
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use js::conversions::ConversionBehavior;
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use js::conversions::ConversionResult;
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use js::conversions::FromJSValConvertible;
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use js::conversions::ToJSValConvertible;
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use js::jsapi::root::JS::CompartmentOptions;
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use js::jsapi::root::JS_InitStandardClasses;
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use js::jsapi::root::JS_NewGlobalObject;
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use js::jsapi::root::JS::OnNewGlobalHookOption;
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use js::jsval::UndefinedValue;
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use js::rust::{Runtime, SIMPLE_GLOBAL_CLASS};
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use std::ptr;
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fn assert_is_array(cx: *mut js::jsapi::root::JSContext,
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val: js::jsapi::root::JS::HandleValue) {
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let mut is_array = false;
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assert!(unsafe {
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js::jsapi::root::JS_IsArrayObject(cx, val, &mut is_array as *mut _)
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});
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assert!(is_array);
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}
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#[test]
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fn vec_conversion() {
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let rt = Runtime::new().unwrap();
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let cx = rt.cx();
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let h_option = OnNewGlobalHookOption::FireOnNewGlobalHook;
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let c_option = CompartmentOptions::default();
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unsafe {
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let global = JS_NewGlobalObject(cx, &SIMPLE_GLOBAL_CLASS,
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ptr::null_mut(), h_option, &c_option);
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rooted!(in(cx) let global_root = global);
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let global = global_root.handle();
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let _ac = AutoCompartment::with_obj(cx, global.get());
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assert!(JS_InitStandardClasses(cx, global));
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rooted!(in(cx) let mut rval = UndefinedValue());
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let orig_vec: Vec<f32> = vec![1.0, 2.9, 3.0];
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orig_vec.to_jsval(cx, rval.handle_mut());
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assert_is_array(cx, rval.handle());
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let converted = Vec::<f32>::from_jsval(cx, rval.handle(), ()).unwrap();
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assert_eq!(&orig_vec, converted.get_success_value().unwrap());
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let orig_vec: Vec<i32> = vec![1, 2, 3];
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orig_vec.to_jsval(cx, rval.handle_mut());
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assert_is_array(cx, rval.handle());
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let converted = Vec::<i32>::from_jsval(cx, rval.handle(),
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ConversionBehavior::Default).unwrap();
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assert_eq!(&orig_vec, converted.get_success_value().unwrap());
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rt.evaluate_script(global, "new Set([1, 2, 3])",
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"test", 1, rval.handle_mut()).unwrap();
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let converted =
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Vec::<i32>::from_jsval(cx, rval.handle(),
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ConversionBehavior::Default).unwrap();
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assert_eq!(&orig_vec, converted.get_success_value().unwrap());
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rt.evaluate_script(global, "({})", "test", 1, rval.handle_mut()).unwrap();
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let converted = Vec::<i32>::from_jsval(cx, rval.handle(),
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ConversionBehavior::Default);
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assert!(match converted {
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Ok(ConversionResult::Failure(_)) => true,
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_ => false,
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});
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}
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}
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