1// Copyright 2010 the V8 project authors. All rights reserved.
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3// modification, are permitted provided that the following conditions are
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27
28// Simple tests of the various kinds of variable references in the
29// implementstion.
30
31// Global variables.
32var x = 0;
33function f0() { return x; }
34assertEquals(0, f0());
35
36
37// Parameters.
38function f1(x) { return x; }
39assertEquals(1, f1(1));
40
41
42// Stack-allocated locals.
43function f2() { var x = 2; return x; }
44assertEquals(2, f2());
45
46
47// Context-allocated locals.  Local function forces x into f3's context.
48function f3(x) {
49  function g() { return x; }
50  return x;
51}
52assertEquals(3, f3(3));
53
54// Local function reads x from an outer context.
55function f4(x) {
56  function g() { return x; }
57  return g();
58}
59assertEquals(4, f4(4));
60
61
62// Lookup slots.  'With' forces x to be looked up at runtime.
63function f5(x) {
64  with ({}) return x;
65}
66assertEquals(5, f5(5));
67
68
69// Parameters rewritten to property accesses.  Using the name 'arguments'
70// (even if it shadows the arguments object) forces all parameters to be
71// rewritten to explicit property accesses.
72function f6(arguments) { return arguments; }
73assertEquals(6, f6(6));
74