test262/implementation-contributed/v8/mjsunit/compiler/array-findindex.js

19 lines
562 B
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.findIndex().
(function() {
function foo(a, o) {
return a.findIndex(x => x === o.x);
}
assertEquals(2, foo([1, 2, 3], {x:3}));
assertEquals(-1, foo([0, 1, 2], {x:3}));
%OptimizeFunctionOnNextCall(foo);
assertEquals(2, foo([1, 2, 3], {x:3}));
assertEquals(-1, foo([0, 1, 2], {x:3}));
})();