mirror of
https://github.com/nodejs/node.git
synced 2025-05-16 07:06:47 +00:00
ed74896b1f
PR-URL: https://github.com/nodejs/node/pull/27375 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com> Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
44 lines
1.6 KiB
JavaScript
44 lines
1.6 KiB
JavaScript
// Copyright 2018 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
|
|
|
|
// Basic loop peeling test case with Array.prototype.find().
|
|
(function() {
|
|
function foo(a, o) {
|
|
return a.find(x => x === o.x);
|
|
}
|
|
|
|
%PrepareFunctionForOptimization(foo);
|
|
assertEquals(3, foo([1, 2, 3], {x:3}));
|
|
assertEquals(undefined, foo([0, 1, 2], {x:3}));
|
|
%OptimizeFunctionOnNextCall(foo);
|
|
assertEquals(3, foo([1, 2, 3], {x:3}));
|
|
assertEquals(undefined, foo([0, 1, 2], {x:3}));
|
|
|
|
// Non-extensible
|
|
%PrepareFunctionForOptimization(foo);
|
|
assertEquals(3, foo(Object.preventExtensions([1, 2, 3]), {x:3}));
|
|
assertEquals(undefined, foo(Object.preventExtensions([0, 1, 2]), {x:3}));
|
|
%OptimizeFunctionOnNextCall(foo);
|
|
assertEquals(3, foo(Object.preventExtensions([1, 2, 3]), {x:3}));
|
|
assertEquals(undefined, foo(Object.preventExtensions([0, 1, 2]), {x:3}));
|
|
|
|
// Sealed
|
|
%PrepareFunctionForOptimization(foo);
|
|
assertEquals(3, foo(Object.seal([1, 2, 3]), {x:3}));
|
|
assertEquals(undefined, foo(Object.seal([0, 1, 2]), {x:3}));
|
|
%OptimizeFunctionOnNextCall(foo);
|
|
assertEquals(3, foo(Object.seal([1, 2, 3]), {x:3}));
|
|
assertEquals(undefined, foo(Object.seal([0, 1, 2]), {x:3}));
|
|
|
|
// Frozen
|
|
%PrepareFunctionForOptimization(foo);
|
|
assertEquals(3, foo(Object.freeze([1, 2, 3]), {x:3}));
|
|
assertEquals(undefined, foo(Object.freeze([0, 1, 2]), {x:3}));
|
|
%OptimizeFunctionOnNextCall(foo);
|
|
assertEquals(3, foo(Object.freeze([1, 2, 3]), {x:3}));
|
|
assertEquals(undefined, foo(Object.freeze([0, 1, 2]), {x:3}));
|
|
})();
|