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// Copyright 2016 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
var a = [0, 1];
a["true"] = "true";
a["false"] = "false";
a["null"] = "null";
a["undefined"] = "undefined";
// Ensure we don't accidentially truncate true when used to index arrays.
(function() {
function f(x) { return a[x]; }
%PrepareFunctionForOptimization(f);
assertEquals(0, f(0));
assertEquals(0, f(0));
%OptimizeFunctionOnNextCall(f);
assertEquals("true", f(true));
})();
// Ensure we don't accidentially truncate false when used to index arrays.
(function() {
function f( x) { return a[x]; }
%PrepareFunctionForOptimization(f);
assertEquals(0, f(0));
assertEquals(0, f(0));
%OptimizeFunctionOnNextCall(f);
assertEquals("false", f(false));
})();
// Ensure we don't accidentially truncate null when used to index arrays.
(function() {
function f( x) { return a[x]; }
%PrepareFunctionForOptimization(f);
assertEquals(0, f(0));
assertEquals(0, f(0));
%OptimizeFunctionOnNextCall(f);
assertEquals("null", f(null));
})();
// Ensure we don't accidentially truncate undefined when used to index arrays.
(function() {
function f( x) { return a[x]; }
%PrepareFunctionForOptimization(f);
assertEquals(0, f(0));
assertEquals(0, f(0));
%OptimizeFunctionOnNextCall(f);
assertEquals("undefined", f(undefined));
})();
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