node/deps/v8/test/mjsunit/compiler/escape-analysis-array.js
Ujjwal Sharma f579e11940 deps: update V8 to 7.4.288.13
PR-URL: https://github.com/nodejs/node/pull/26685
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
2019-03-28 16:36:18 -04:00

35 lines
941 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
// Test variable index access to array with 1 element.
(function testOneElementArrayVariableIndex() {
function f(i) {
const a = new Array("first");
return a[i];
}
%PrepareFunctionForOptimization(f);
assertEquals("first", f(0));
assertEquals("first", f(0));
%OptimizeFunctionOnNextCall(f);
assertEquals("first", f(0));
})();
// Test variable index access to array with 2 elements.
(function testTwoElementArrayVariableIndex() {
function f(i) {
const a = new Array("first", "second");
return a[i];
}
%PrepareFunctionForOptimization(f);
assertEquals("first", f(0));
assertEquals("second", f(1));
%OptimizeFunctionOnNextCall(f);
assertEquals("first", f(0));
assertEquals("second", f(1));
})();