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// String.replace on functions returning hashmap elements.
function first() {
var arr = {a: "hello", b: "there"};
var s = 'a|b';
return s.replace(/[a-z]/g, function(a) { return arr[a]; }, 'g');
}
assertEq(first(), "hello|there");
function second() {
var arr = {a: "hello", c: "there"};
var s = 'a|b|c';
return s.replace(/[a-z]/g, function(a) { return arr[a]; }, 'g');
}
assertEq(second(), "hello|undefined|there");
Object.defineProperty(Object.prototype, "b", {get: function() { return "what"; }});
assertEq(second(), "hello|what|there");
function third() {
var arr = {a: "hello", b: {toString: function() { arr = {}; return "three"; }}, c: "there"};
var s = 'a|b|c';
return s.replace(/[a-z]/g, function(a) { return arr[a]; }, 'g');
}
assertEq(third(), "hello|three|undefined");
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