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Diffstat (limited to 'js/src/tests/js1_7/extensions/destructuring-order.js')
| -rw-r--r-- | js/src/tests/js1_7/extensions/destructuring-order.js | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/js/src/tests/js1_7/extensions/destructuring-order.js b/js/src/tests/js1_7/extensions/destructuring-order.js new file mode 100644 index 0000000..cf081e4 --- /dev/null +++ b/js/src/tests/js1_7/extensions/destructuring-order.js @@ -0,0 +1,184 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is JavaScript Engine testing utilities. + * + * The Initial Developer of the Original Code is + * Jeff Walden <jwalden+code@mit.edu>. + * Portions created by the Initial Developer are Copyright (C) 2006 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +//----------------------------------------------------------------------------- +var BUGNUMBER = "(none)"; +var summary = "Order of destructuring, destructuring in the presence of " + + "exceptions"; +var actual, expect; + +printBugNumber(BUGNUMBER); +printStatus(summary); + +/************** + * BEGIN TEST * + **************/ + +var failed = false; + + +var a = "FAILED", b = "PASSED"; + +function exceptObj() +{ + return { get b() { throw "PASSED"; }, a: "PASSED" }; +} + +function partialEvalObj() +{ + try + { + ({a:a, b:b}) = exceptObj(); + throw "FAILED"; + } + catch (ex) + { + if (ex !== "PASSED") + throw "bad exception thrown: " + ex; + } +} + + +var c = "FAILED", d = "FAILED", e = "PASSED", f = "PASSED"; + +function exceptArr() +{ + return ["PASSED", {e: "PASSED", get f() { throw "PASSED"; }}, "FAILED"]; +} + +function partialEvalArr() +{ + try + { + [c, {e: d, f: e}, f] = exceptArr(); + throw "FAILED"; + } + catch (ex) + { + if (ex !== "PASSED") + throw "bad exception thrown: " + ex; + } +} + + +var g = "FAILED", h = "FAILED", i = "FAILED", j = "FAILED", k = "FAILED"; +var _g = "PASSED", _h = "FAILED", _i = "FAILED", _j = "FAILED", _k = "FAILED"; +var order = []; + +function objWithGetters() +{ + return { + get j() + { + var rv = _j; + _g = _h = _i = _j = "FAILED"; + _k = "PASSED"; + order.push("j"); + return rv; + }, + get g() + { + var rv = _g; + _g = _i = _j = _k = "FAILED"; + _h = "PASSED"; + order.push("g"); + return rv; + }, + get i() + { + var rv = _i; + _g = _h = _i = _k = "FAILED"; + _j = "PASSED"; + order.push("i"); + return rv; + }, + get k() + { + var rv = _k; + _g = _h = _i = _j = _k = "FAILED"; + order.push("k"); + return rv; + }, + get h() + { + var rv = _h; + _g = _h = _j = _k = "FAILED"; + _i = "PASSED"; + order.push("h"); + return rv; + } + }; +} + +function partialEvalObj2() +{ + ({g: g, h: h, i: i, j: j, k: k}) = objWithGetters(); +} + +try +{ + partialEvalObj(); + if (a !== "PASSED" || b !== "PASSED") + throw "FAILED: lhs not mutated correctly during destructuring!\n" + + "a == " + a + ", b == " + b; + + partialEvalObj2(); + if (g !== "PASSED" || + h !== "PASSED" || + i !== "PASSED" || + j !== "PASSED" || + k !== "PASSED") + throw "FAILED: order of property accesses wrong!\n" + + "order == " + order; + + partialEvalArr(); + if (c !== "PASSED" || d !== "PASSED" || e !== "PASSED") + throw "FAILED: lhs not mutated correctly during destructuring!\n" + + "c == " + c + + ", d == " + d + + ", e == " + e + + ", f == " + f ; +} +catch (ex) +{ + failed = ex; +} + +expect = false; +actual = failed; + +reportCompare(expect, actual, summary); |