The Tor Browser / file comparison
comparison: js/src/tests/js1_8_5/regress/regress-609617.js
js/src/tests/js1_8_5/regress/regress-609617.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
equal
deleted
inserted
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| -1:000000000000 | 0:1a596d0d3160 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* | |
| 3 * Any copyright is dedicated to the Public Domain. | |
| 4 * http://creativecommons.org/licenses/publicdomain/ | |
| 5 */ | |
| 6 | |
| 7 var actual; | |
| 8 var expect = "pass"; | |
| 9 | |
| 10 var x = "fail"; | |
| 11 function f() { | |
| 12 var x = "pass"; | |
| 13 delete(eval("actual = x")); | |
| 14 } | |
| 15 f(); | |
| 16 assertEq(actual, expect); | |
| 17 | |
| 18 function g() { return 1 } | |
| 19 function h() { function g() { throw 2; } eval('g()')++; } | |
| 20 | |
| 21 try { | |
| 22 h(); | |
| 23 assertEq(0, -1); | |
| 24 } catch (e) { | |
| 25 assertEq(e, 2); | |
| 26 } | |
| 27 | |
| 28 var lhs_prefix = ["", "++", "--", "", "", "[", "[y, " ]; | |
| 29 var lhs_suffix = [" = 'no'", "", "", "++", "--", ", y] = [3, 4]", "] = [5, 6]"]; | |
| 30 | |
| 31 for (var i = 0; i < lhs_prefix.length; i++) { | |
| 32 try { | |
| 33 eval(lhs_prefix[i] + "eval('x')" + lhs_suffix[i]); | |
| 34 assertEq(i, -2); | |
| 35 } catch (e) { | |
| 36 /* | |
| 37 * NB: JSOP_SETCALL throws only JSMSG_BAD_LEFTSIDE_OF_ASS, it does not | |
| 38 * specialize for ++ and -- as the compiler's error reporting does. See | |
| 39 * the next section's forked assertEq code. | |
| 40 */ | |
| 41 assertEq(e.message, "invalid assignment left-hand side"); | |
| 42 } | |
| 43 } | |
| 44 | |
| 45 /* Destructuring desugars in the obvious way, so y must be 5 here. */ | |
| 46 assertEq(y, 5); | |
| 47 | |
| 48 /* Now test for strict mode rejecting any SETCALL variant at compile time. */ | |
| 49 for (var i = 0; i < lhs_prefix.length; i++) { | |
| 50 try { | |
| 51 eval("(function () { 'use strict'; " + lhs_prefix[i] + "foo('x')" + lhs_suffix[i] + "; })"); | |
| 52 assertEq(i, -3); | |
| 53 } catch (e) { | |
| 54 if (/\+\+|\-\-/.test(lhs_prefix[i] || lhs_suffix[i])) | |
| 55 assertEq(e.message, "invalid increment/decrement operand"); | |
| 56 else | |
| 57 assertEq(e.message, "invalid assignment left-hand side"); | |
| 58 } | |
| 59 } | |
| 60 | |
| 61 /* | |
| 62 * The useless delete is optimized away, but the SETCALL must not be. It's not | |
| 63 * an early error, though. | |
| 64 */ | |
| 65 var fooArg; | |
| 66 function foo(arg) { fooArg = arg; } | |
| 67 try { | |
| 68 eval("delete (foo('x') = 42);"); | |
| 69 assertEq(0, -4); | |
| 70 } catch (e) { | |
| 71 assertEq(e.message, "invalid assignment left-hand side"); | |
| 72 } | |
| 73 assertEq(fooArg, 'x'); | |
| 74 | |
| 75 /* Delete of a call expression is not an error at all, even in strict mode. */ | |
| 76 function g() { | |
| 77 "use strict"; | |
| 78 assertEq(delete Object(), true); | |
| 79 } | |
| 80 g(); | |
| 81 | |
| 82 reportCompare(0, 0, "ok"); |
