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// Copyright 2015 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
function test(expected, f) {
assertEquals(expected, f());
assertEquals(expected, f());
%OptimizeFunctionOnNextCall(f);
assertEquals(expected, f());
assertEquals(expected, f());
}
function f1() { return NaN; }
test((0/0), f1);
function f2() { return (0/0); }
test((0/0), f2);
function f3() { return (0/0) == (0/0); }
test(false, f3);
function f4() { return (0/0) == NaN; }
test(false, f4);
function f5() { return NaN == (0/0); }
test(false, f5);
function f6() { return "" + NaN; }
test("NaN", f6);
function f7() { return (0/0) === (0/0); }
test(false, f7);
function f8() { return (0/0) === NaN; }
test(false, f8);
function f9() { return NaN === (0/0); }
test(false, f9);
delete NaN;
function g1() { return NaN; }
test((0/0), g1);
function g2() { return (0/0); }
test((0/0), g2);
function g3() { return (0/0) == (0/0); }
test(false, g3);
function g4() { return (0/0) == NaN; }
test(false, g4);
function g5() { return NaN == (0/0); }
test(false, g5);
function g6() { return "" + NaN; }
test("NaN", g6);
function g7() { return (0/0) === (0/0); }
test(false, g7);
function g8() { return (0/0) === NaN; }
test(false, g8);
function g9() { return NaN === (0/0); }
test(false, g9);
NaN = 111;
function h1() { return NaN; }
test((0/0), h1);
function h2() { return (0/0); }
test((0/0), h2);
function h3() { return (0/0) == (0/0); }
test(false, h3);
function h4() { return (0/0) == NaN; }
test(false, h4);
function h5() { return NaN == (0/0); }
test(false, h5);
function h6() { return "" + NaN; }
test("NaN", h6);
function h7() { return (0/0) === (0/0); }
test(false, h7);
function h8() { return (0/0) === NaN; }
test(false, h8);
function h9() { return NaN === (0/0); }
test(false, h9);
// -------------
function k1() { return this.NaN; }
test((0/0), k1);
function k2() { return (0/0); }
test((0/0), k2);
function k3() { return (0/0) == (0/0); }
test(false, k3);
function k4() { return (0/0) == this.NaN; }
test(false, k4);
function k5() { return this.NaN == (0/0); }
test(false, k5);
function k6() { return "" + this.NaN; }
test("NaN", k6);
function k7() { return (0/0) === (0/0); }
test(false, k7);
function k8() { return (0/0) === this.NaN; }
test(false, k8);
function k9() { return this.NaN === (0/0); }
test(false, k9);
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