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// 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 --opt
/* Test deopt behaviors when the prototype has elements */
// indexOf
(function() {
const iarr = [0,1,2];
const darr = [0.0, 2.0, 3.3];
function indexOf(arr, val) {
return arr.indexOf(val);
}
assertEquals(0, indexOf(iarr, 0));
assertEquals(0, indexOf(darr, 0));
assertEquals(2, indexOf(iarr, 2));
assertEquals(1, indexOf(darr, 2));
// JSCallReducer for indexOf will not reduce
// because it only works with single map
%OptimizeFunctionOnNextCall(indexOf);
assertEquals(0, indexOf(iarr, 0));
assertEquals(0, indexOf(darr, 0));
})();
(function() {
const iarr = [0,1,2];
function indexOf(arr, val) {
return arr.indexOf(val);
}
assertEquals(0, indexOf(iarr, 0));
assertEquals(2, indexOf(iarr, 2));
%OptimizeFunctionOnNextCall(indexOf);
assertEquals(0, indexOf(iarr, 0));
const darr = [0.0, 2.0, 3.3];
// deopt because of map change
assertEquals(0, indexOf(darr, 0));
})();
(function() {
const iarr = [,3];
function indexOf(arr, val) {
return arr.indexOf(val);
}
iarr.__proto__ = [2];
assertEquals(-1, indexOf(iarr, 0));
assertEquals(0, indexOf(iarr, 2));
%OptimizeFunctionOnNextCall(indexOf);
assertEquals(-1, indexOf(iarr, 0));
assertEquals(0, indexOf(iarr, 2));
})();
(function() {
const iarr = [,3];
function indexOf(arr, val) {
return arr.indexOf(val);
}
assertEquals(-1, indexOf(iarr, 2));
assertEquals(1, indexOf(iarr, 3));
%OptimizeFunctionOnNextCall(indexOf);
assertEquals(-1, indexOf(iarr, 2));
// deopt because of map change
iarr.__proto__ = [2];
assertEquals(0, indexOf(iarr, 2));
})();
// This pollutes the Array prototype, so we should not run more tests
// in the same environment after this.
(function () {
var array = [,];
function indexOf(val) {
return array.indexOf(val);
}
indexOf(6); indexOf(6);
%OptimizeFunctionOnNextCall(indexOf);
assertEquals(indexOf(6), -1);
array.__proto__.push(6);
// deopt because of no_elements_protector
assertEquals(indexOf(6), 0);
})();
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