node/deps/v8/test/mjsunit/regress/regress-parseint.js
Michaël Zasso e31f0a7d25
deps: update V8 to 7.7.299.4
PR-URL: https://github.com/nodejs/node/pull/28918
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
2019-08-19 09:25:23 +02:00

19 lines
632 B
JavaScript

// Copyright 2014 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
function f(string, radix) {
// Use a phi to force radix into heap number representation.
radix = radix == 0 ? radix : radix >> 0;
if (radix != 2) return NaN;
return %StringParseInt(string, radix);
};
%PrepareFunctionForOptimization(f);
assertEquals(2, -4294967294 >> 0);
assertEquals(3, f("11", -4294967294));
assertEquals(NaN, f("11", -2147483650));
%OptimizeFunctionOnNextCall(f);
assertEquals(3, f("11", -4294967294));