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/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
//-----------------------------------------------------------------------------
var summary = "Order of destructuring, destructuring in the presence of " +
"exceptions";
var actual, expect;
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);