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/* -*- 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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
//-----------------------------------------------------------------------------
var BUGNUMBER = 351070;
var summary = 'decompilation of let declaration should not change scope';
var actual = '';
var expect = '';
//-----------------------------------------------------------------------------
test();
//-----------------------------------------------------------------------------
function test()
{
printBugNumber(BUGNUMBER);
printStatus (summary);
try
{
var pfx = "(function f() { var n = 2, a = 2; ",
decl = " let a = 3;",
end = " return a; })";
var table = [
["if (!!true)", ""],
["if (!!true)", " else foopy();"],
["if (!true); else", ""],
["do ", " while (false);"],
["while (--n)", ""],
["for (--n;n;--n)", ""],
["for (a in this)", ""],
["with (this)", ""],
];
expect = 3;
for (i = 0; i < table.length; i++) {
var src = pfx + table[i][0] + decl + table[i][1] + end;
print('src: ' + src);
var fun = eval(src);
var testval = fun();
reportCompare(expect, testval, summary + ': ' + src);
if (testval != expect) {
break;
}
var declsrc = '(' +
src.slice(1, -1).replace('function f', 'function f' + i) + ')';
print('declsrc: ' + declsrc);
this['f' + i] = eval(declsrc);
print('f' + i + ': ' + this['f' + i]);
}
}
catch(ex)
{
// See https://bugzilla.mozilla.org/show_bug.cgi?id=408957
summary = 'let declaration must be direct child of block or top-level implicit block';
expect = 'SyntaxError';
actual = ex.name;
reportCompare(expect, actual, summary);
}
}
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