node/deps/v8/test/mjsunit/unary-op-throws-feedback.js
Michaël Zasso 17a74ddd3d
deps: update V8 to 11.8.172.13
PR-URL: https://github.com/nodejs/node/pull/49639
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
2023-10-10 08:25:41 +02:00

32 lines
1.0 KiB
JavaScript

// Copyright 2023 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax --turbofan --no-always-turbofan
function testThrowsRepeated(fn) {
%PrepareFunctionForOptimization(fn);
for (let i = 0; i < 5; i++) assertThrows(fn, TypeError);
%OptimizeFunctionOnNextCall(fn);
assertThrows(fn, TypeError);
// Assert that the function is still optimized, i.e. no deopt happened when
// calling it.
assertOptimized(fn);
}
let symbol = Symbol("test");
let preIncrement = () => ++symbol;
let preDecrement = () => --symbol;
let postIncrement = () => symbol++;
let postDecrement = () => symbol--;
let unaryPlus = () => -symbol;
let unaryMinus = () => -symbol;
let bitwiseNot = () => ~symbol;
testThrowsRepeated(preIncrement);
testThrowsRepeated(preDecrement);
testThrowsRepeated(postIncrement);
testThrowsRepeated(postDecrement);
testThrowsRepeated(unaryPlus);
testThrowsRepeated(unaryMinus);
testThrowsRepeated(bitwiseNot);