The Tor Browser / file comparison
comparison: js/src/tests/js1_8_1/strict/shell.js
js/src/tests/js1_8_1/strict/shell.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:890ef05f0e19 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 | |
| 3 /* | |
| 4 * Any copyright is dedicated to the Public Domain. | |
| 5 * http://creativecommons.org/licenses/publicdomain/ | |
| 6 */ | |
| 7 | |
| 8 | |
| 9 /* | |
| 10 * Return true if both of these return true: | |
| 11 * - LENIENT_PRED applied to CODE | |
| 12 * - STRICT_PRED applied to CODE with a use strict directive added to the front | |
| 13 * | |
| 14 * Run STRICT_PRED first, for testing code that affects the global environment | |
| 15 * in loose mode, but fails in strict mode. | |
| 16 */ | |
| 17 function testLenientAndStrict(code, lenient_pred, strict_pred) { | |
| 18 return (strict_pred("'use strict'; " + code) && | |
| 19 lenient_pred(code)); | |
| 20 } | |
| 21 | |
| 22 /* | |
| 23 * completesNormally(CODE) returns true if evaluating CODE (as eval | |
| 24 * code) completes normally (rather than throwing an exception). | |
| 25 */ | |
| 26 function completesNormally(code) { | |
| 27 try { | |
| 28 eval(code); | |
| 29 return true; | |
| 30 } catch (exception) { | |
| 31 return false; | |
| 32 } | |
| 33 } | |
| 34 | |
| 35 /* | |
| 36 * raisesException(EXCEPTION)(CODE) returns true if evaluating CODE (as eval | |
| 37 * code) throws an exception object whose prototype is | |
| 38 * EXCEPTION.prototype, and returns false if it throws any other error | |
| 39 * or evaluates successfully. For example: raises(TypeError)("0()") == | |
| 40 * true. | |
| 41 */ | |
| 42 function raisesException(exception) { | |
| 43 return function (code) { | |
| 44 try { | |
| 45 eval(code); | |
| 46 return false; | |
| 47 } catch (actual) { | |
| 48 return exception.prototype.isPrototypeOf(actual); | |
| 49 } | |
| 50 }; | |
| 51 }; | |
| 52 | |
| 53 /* | |
| 54 * parsesSuccessfully(CODE) returns true if CODE parses as function | |
| 55 * code without an error. | |
| 56 */ | |
| 57 function parsesSuccessfully(code) { | |
| 58 try { | |
| 59 Function(code); | |
| 60 return true; | |
| 61 } catch (exception) { | |
| 62 return false; | |
| 63 } | |
| 64 }; | |
| 65 | |
| 66 /* | |
| 67 * parseRaisesException(EXCEPTION)(CODE) returns true if parsing CODE | |
| 68 * as function code raises EXCEPTION. | |
| 69 */ | |
| 70 function parseRaisesException(exception) { | |
| 71 return function (code) { | |
| 72 try { | |
| 73 Function(code); | |
| 74 return false; | |
| 75 } catch (actual) { | |
| 76 return exception.prototype.isPrototypeOf(actual); | |
| 77 } | |
| 78 }; | |
| 79 }; | |
| 80 | |
| 81 /* | |
| 82 * Return the result of applying uneval to VAL, and replacing all runs | |
| 83 * of whitespace with a single horizontal space (poor man's | |
| 84 * tokenization). | |
| 85 */ | |
| 86 function clean_uneval(val) { | |
| 87 return uneval(val).replace(/\s+/g, ' '); | |
| 88 } |
