v8/test/mjsunit/compiler/array-findindex.js
Z Duong Nguyen-Huu e4669a9c32 Reland of Improve test coverage for non-extensible holey array in optimized code
This is reland of https://chromium-review.googlesource.com/c/v8/v8/+/1575036 which the flaky test is fixed by moving '%PrepareFunctionForOptimization' around

Bug: v8:6831
Change-Id: I0e8c3d2452b14c86e8ff0851e1840294734435e2
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1582481
Reviewed-by: Simon Zünd <szuend@chromium.org>
Commit-Queue: Z Nguyen-Huu <duongn@microsoft.com>
Cr-Commit-Position: refs/heads/master@{#61050}
2019-04-26 15:49:02 +00:00

70 lines
2.6 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.findIndex().
(function() {
function foo(a, o) {
return a.findIndex(x => x === o.x);
}
%PrepareFunctionForOptimization(foo);
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}));
// Packed
// Non-extensible
%PrepareFunctionForOptimization(foo);
assertEquals(2, foo(Object.preventExtensions(['1', 2, 3]), {x:3}));
assertEquals(-1, foo(Object.preventExtensions(['0', 1, 2]), {x:3}));
%OptimizeFunctionOnNextCall(foo);
assertEquals(2, foo(Object.preventExtensions(['1', 2, 3]), {x:3}));
assertEquals(-1, foo(Object.preventExtensions(['0', 1, 2]), {x:3}));
// Sealed
%PrepareFunctionForOptimization(foo);
assertEquals(2, foo(Object.seal(['1', 2, 3]), {x:3}));
assertEquals(-1, foo(Object.seal(['0', 1, 2]), {x:3}));
%OptimizeFunctionOnNextCall(foo);
assertEquals(2, foo(Object.seal(['1', 2, 3]), {x:3}));
assertEquals(-1, foo(Object.seal(['0', 1, 2]), {x:3}));
// Frozen
%PrepareFunctionForOptimization(foo);
assertEquals(2, foo(Object.freeze(['1', 2, 3]), {x:3}));
assertEquals(-1, foo(Object.freeze(['0', 1, 2]), {x:3}));
%OptimizeFunctionOnNextCall(foo);
assertEquals(2, foo(Object.freeze(['1', 2, 3]), {x:3}));
assertEquals(-1, foo(Object.freeze(['0', 1, 2]), {x:3}));
// Holey
// Non-extensible
%PrepareFunctionForOptimization(foo);
assertEquals(3, foo(Object.preventExtensions([, '1', 2, 3]), {x:3}));
assertEquals(-1, foo(Object.preventExtensions([, '0', 1, 2]), {x:3}));
%OptimizeFunctionOnNextCall(foo);
assertEquals(3, foo(Object.preventExtensions([, '1', 2, 3]), {x:3}));
assertEquals(-1, foo(Object.preventExtensions([, '0', 1, 2]), {x:3}));
// Sealed
%PrepareFunctionForOptimization(foo);
assertEquals(3, foo(Object.seal([, '1', 2, 3]), {x:3}));
assertEquals(-1, foo(Object.seal([, '0', 1, 2]), {x:3}));
%OptimizeFunctionOnNextCall(foo);
assertEquals(3, foo(Object.seal([, '1', 2, 3]), {x:3}));
assertEquals(-1, foo(Object.seal([, '0', 1, 2]), {x:3}));
// Frozen
%PrepareFunctionForOptimization(foo);
assertEquals(3, foo(Object.freeze([, '1', 2, 3]), {x:3}));
assertEquals(-1, foo(Object.freeze([, '0', 1, 2]), {x:3}));
%OptimizeFunctionOnNextCall(foo);
assertEquals(3, foo(Object.freeze([, '1', 2, 3]), {x:3}));
assertEquals(-1, foo(Object.freeze([, '0', 1, 2]), {x:3}));
})();