| let expected = 'o!o!o!'; |
| let actual = ''; |
| |
| // g is a function that needs an implicit |this| if called within a |with| |
| // statement. If we fail to provide that implicit |this|, it will append |
| // "[object global]" instead of "o!". |
| let o = { |
| g: function() { actual += this.toString(); }, |
| toString: function() { return "o!"; } |
| } |
| |
| // g's presence within the |with| is detected by simple tracking of |with|s |
| // during parsing. |
| with (o) { |
| (function() { g(); })(); |
| } |
| |
| // The eval() defeats the tracking of |with| during parsing. Instead, g's |
| // presence within the |with| is detected by looking at the scopeChain of the |
| // ParseContext. |
| with (o) { |
| eval("(function() { g(); })()"); |
| } |
| |
| // This is like the above case, but the knowledge of the |with| presence must |
| // be inherited by the inner function. This is the case that was missed in bug |
| // 786114. |
| with (o) { |
| eval("(function() { (function() { g(); })(); })()"); |
| } |
| |
| assertEq(actual, expected); |