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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

// Basic loop peeling test case with Array.prototype.find().
(function() {
  function foo(a, o) {
    return a.find(x => x === o.x);
  }

  %PrepareFunctionForOptimization(foo);
  assertEquals(3, foo([1, 2, 3], {x:3}));
  assertEquals(undefined, foo([0, 1, 2], {x:3}));
  %OptimizeFunctionOnNextCall(foo);
  assertEquals(3, foo([1, 2, 3], {x:3}));
  assertEquals(undefined, foo([0, 1, 2], {x:3}));

  // Non-extensible
  %PrepareFunctionForOptimization(foo);
  assertEquals(3, foo(Object.preventExtensions([1, 2, 3]), {x:3}));
  assertEquals(undefined, foo(Object.preventExtensions([0, 1, 2]), {x:3}));
  %OptimizeFunctionOnNextCall(foo);
  assertEquals(3, foo(Object.preventExtensions([1, 2, 3]), {x:3}));
  assertEquals(undefined, foo(Object.preventExtensions([0, 1, 2]), {x:3}));

  // Sealed
  %PrepareFunctionForOptimization(foo);
  assertEquals(3, foo(Object.seal([1, 2, 3]), {x:3}));
  assertEquals(undefined, foo(Object.seal([0, 1, 2]), {x:3}));
  %OptimizeFunctionOnNextCall(foo);
  assertEquals(3, foo(Object.seal([1, 2, 3]), {x:3}));
  assertEquals(undefined, foo(Object.seal([0, 1, 2]), {x:3}));

  // Frozen
  %PrepareFunctionForOptimization(foo);
  assertEquals(3, foo(Object.freeze([1, 2, 3]), {x:3}));
  assertEquals(undefined, foo(Object.freeze([0, 1, 2]), {x:3}));
  %OptimizeFunctionOnNextCall(foo);
  assertEquals(3, foo(Object.freeze([1, 2, 3]), {x:3}));
  assertEquals(undefined, foo(Object.freeze([0, 1, 2]), {x:3}));
})();