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comparison: js/src/tests/ecma_5/RegExp/15.10.7.5-01.js
js/src/tests/ecma_5/RegExp/15.10.7.5-01.js
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| -1:000000000000 | 0:645c081465b3 |
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| 1 /* | |
| 2 * Any copyright is dedicated to the Public Domain. | |
| 3 * http://creativecommons.org/licenses/publicdomain/ | |
| 4 */ | |
| 5 | |
| 6 var BUGNUMBER = 465199; | |
| 7 var summary = "RegExp lastIndex property set should not coerce type to number"; | |
| 8 | |
| 9 print(BUGNUMBER + ": " + summary); | |
| 10 | |
| 11 /************** | |
| 12 * BEGIN TEST * | |
| 13 **************/ | |
| 14 | |
| 15 var called = false; | |
| 16 var o = { valueOf: function() { called = true; return 1; } }; | |
| 17 var r = /a/g; | |
| 18 var desc, m; | |
| 19 | |
| 20 assertEq(r.lastIndex, 0); | |
| 21 | |
| 22 desc = Object.getOwnPropertyDescriptor(r, "lastIndex"); | |
| 23 assertEq(desc.enumerable, false); | |
| 24 assertEq(desc.configurable, false); | |
| 25 assertEq(desc.value, 0); | |
| 26 assertEq(desc.writable, true); | |
| 27 | |
| 28 r.lastIndex = o; | |
| 29 | |
| 30 assertEq(r.lastIndex, o); | |
| 31 | |
| 32 desc = Object.getOwnPropertyDescriptor(r, "lastIndex"); | |
| 33 assertEq(desc.enumerable, false); | |
| 34 assertEq(desc.configurable, false); | |
| 35 assertEq(desc.value, o); | |
| 36 assertEq(desc.writable, true); | |
| 37 | |
| 38 assertEq(called, false); | |
| 39 assertEq(r.exec("aaaa").length, 1); | |
| 40 assertEq(called, true); | |
| 41 assertEq(r.lastIndex, 2); | |
| 42 | |
| 43 desc = Object.getOwnPropertyDescriptor(r, "lastIndex"); | |
| 44 assertEq(desc.enumerable, false); | |
| 45 assertEq(desc.configurable, false); | |
| 46 assertEq(desc.value, 2); | |
| 47 assertEq(desc.writable, true); | |
| 48 | |
| 49 | |
| 50 r.lastIndex = -0.2; | |
| 51 assertEq(r.lastIndex, -0.2); | |
| 52 | |
| 53 m = r.exec("aaaa"); | |
| 54 assertEq(Array.isArray(m), true); | |
| 55 assertEq(m.length, 1); | |
| 56 assertEq(m[0], "a"); | |
| 57 assertEq(r.lastIndex, 1); | |
| 58 | |
| 59 m = r.exec("aaaa"); | |
| 60 assertEq(Array.isArray(m), true); | |
| 61 assertEq(m.length, 1); | |
| 62 assertEq(m[0], "a"); | |
| 63 assertEq(r.lastIndex, 2); | |
| 64 | |
| 65 | |
| 66 /******************************************************************************/ | |
| 67 | |
| 68 if (typeof reportCompare === "function") | |
| 69 reportCompare(true, true); | |
| 70 | |
| 71 print("All tests passed!"); |
