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comparison: js/src/tests/js1_7/extensions/destructuring-order.js
js/src/tests/js1_7/extensions/destructuring-order.js
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| -1:000000000000 | 0:7a9b4dc97add |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 //----------------------------------------------------------------------------- | |
| 7 var BUGNUMBER = "(none)"; | |
| 8 var summary = "Order of destructuring, destructuring in the presence of " + | |
| 9 "exceptions"; | |
| 10 var actual, expect; | |
| 11 | |
| 12 printBugNumber(BUGNUMBER); | |
| 13 printStatus(summary); | |
| 14 | |
| 15 /************** | |
| 16 * BEGIN TEST * | |
| 17 **************/ | |
| 18 | |
| 19 var failed = false; | |
| 20 | |
| 21 | |
| 22 var a = "FAILED", b = "PASSED"; | |
| 23 | |
| 24 function exceptObj() | |
| 25 { | |
| 26 return { get b() { throw "PASSED"; }, a: "PASSED" }; | |
| 27 } | |
| 28 | |
| 29 function partialEvalObj() | |
| 30 { | |
| 31 try | |
| 32 { | |
| 33 ({a:a, b:b}) = exceptObj(); | |
| 34 throw "FAILED"; | |
| 35 } | |
| 36 catch (ex) | |
| 37 { | |
| 38 if (ex !== "PASSED") | |
| 39 throw "bad exception thrown: " + ex; | |
| 40 } | |
| 41 } | |
| 42 | |
| 43 | |
| 44 var c = "FAILED", d = "FAILED", e = "PASSED", f = "PASSED"; | |
| 45 | |
| 46 function exceptArr() | |
| 47 { | |
| 48 return ["PASSED", {e: "PASSED", get f() { throw "PASSED"; }}, "FAILED"]; | |
| 49 } | |
| 50 | |
| 51 function partialEvalArr() | |
| 52 { | |
| 53 try | |
| 54 { | |
| 55 [c, {e: d, f: e}, f] = exceptArr(); | |
| 56 throw "FAILED"; | |
| 57 } | |
| 58 catch (ex) | |
| 59 { | |
| 60 if (ex !== "PASSED") | |
| 61 throw "bad exception thrown: " + ex; | |
| 62 } | |
| 63 } | |
| 64 | |
| 65 | |
| 66 var g = "FAILED", h = "FAILED", i = "FAILED", j = "FAILED", k = "FAILED"; | |
| 67 var _g = "PASSED", _h = "FAILED", _i = "FAILED", _j = "FAILED", _k = "FAILED"; | |
| 68 var order = []; | |
| 69 | |
| 70 function objWithGetters() | |
| 71 { | |
| 72 return { | |
| 73 get j() | |
| 74 { | |
| 75 var rv = _j; | |
| 76 _g = _h = _i = _j = "FAILED"; | |
| 77 _k = "PASSED"; | |
| 78 order.push("j"); | |
| 79 return rv; | |
| 80 }, | |
| 81 get g() | |
| 82 { | |
| 83 var rv = _g; | |
| 84 _g = _i = _j = _k = "FAILED"; | |
| 85 _h = "PASSED"; | |
| 86 order.push("g"); | |
| 87 return rv; | |
| 88 }, | |
| 89 get i() | |
| 90 { | |
| 91 var rv = _i; | |
| 92 _g = _h = _i = _k = "FAILED"; | |
| 93 _j = "PASSED"; | |
| 94 order.push("i"); | |
| 95 return rv; | |
| 96 }, | |
| 97 get k() | |
| 98 { | |
| 99 var rv = _k; | |
| 100 _g = _h = _i = _j = _k = "FAILED"; | |
| 101 order.push("k"); | |
| 102 return rv; | |
| 103 }, | |
| 104 get h() | |
| 105 { | |
| 106 var rv = _h; | |
| 107 _g = _h = _j = _k = "FAILED"; | |
| 108 _i = "PASSED"; | |
| 109 order.push("h"); | |
| 110 return rv; | |
| 111 } | |
| 112 }; | |
| 113 } | |
| 114 | |
| 115 function partialEvalObj2() | |
| 116 { | |
| 117 ({g: g, h: h, i: i, j: j, k: k}) = objWithGetters(); | |
| 118 } | |
| 119 | |
| 120 try | |
| 121 { | |
| 122 partialEvalObj(); | |
| 123 if (a !== "PASSED" || b !== "PASSED") | |
| 124 throw "FAILED: lhs not mutated correctly during destructuring!\n" + | |
| 125 "a == " + a + ", b == " + b; | |
| 126 | |
| 127 partialEvalObj2(); | |
| 128 if (g !== "PASSED" || | |
| 129 h !== "PASSED" || | |
| 130 i !== "PASSED" || | |
| 131 j !== "PASSED" || | |
| 132 k !== "PASSED") | |
| 133 throw "FAILED: order of property accesses wrong!\n" + | |
| 134 "order == " + order; | |
| 135 | |
| 136 partialEvalArr(); | |
| 137 if (c !== "PASSED" || d !== "PASSED" || e !== "PASSED") | |
| 138 throw "FAILED: lhs not mutated correctly during destructuring!\n" + | |
| 139 "c == " + c + | |
| 140 ", d == " + d + | |
| 141 ", e == " + e + | |
| 142 ", f == " + f ; | |
| 143 } | |
| 144 catch (ex) | |
| 145 { | |
| 146 failed = ex; | |
| 147 } | |
| 148 | |
| 149 expect = false; | |
| 150 actual = failed; | |
| 151 | |
| 152 reportCompare(expect, actual, summary); |
