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Ben Murdoch8b112d22011-06-08 16:22:53 +01001// Copyright 2011 the V8 project authors. All rights reserved.
Kristian Monsen81362e12011-02-04 12:39:27 +00002// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions are
4// met:
5//
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27
Ben Murdoch8b112d22011-06-08 16:22:53 +010028// Flags: --allow-natives-syntax
29
Ben Murdochb0fe1622011-05-05 13:52:32 +010030/**
31 * @fileoverview Test addition of 0 and undefined.
32 */
Kristian Monsen81362e12011-02-04 12:39:27 +000033
Ben Murdochb0fe1622011-05-05 13:52:32 +010034function sum(a, b) { return a + b; }
Kristian Monsen81362e12011-02-04 12:39:27 +000035
Ben Murdochb0fe1622011-05-05 13:52:32 +010036function test(x, y, expectNaN) {
Ben Murdoch8b112d22011-06-08 16:22:53 +010037 for (var i = 0; i < 5; i++) {
Ben Murdochb0fe1622011-05-05 13:52:32 +010038 assertEquals(expectNaN, isNaN(sum(x, y)));
39 }
Ben Murdoch8b112d22011-06-08 16:22:53 +010040 %OptimizeFunctionOnNextCall(sum);
41 assertEquals(expectNaN, isNaN(sum(x, y)));
Kristian Monsen81362e12011-02-04 12:39:27 +000042}
43
Ben Murdochb0fe1622011-05-05 13:52:32 +010044test(0, 1, false);
45test(0, undefined, true);