gecko-dev/js/tests/js1_8/regress/regress-384412.js

232 lines
6.3 KiB
JavaScript
Executable File

/* -*- 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
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2007
* the Initial Developer. All Rights Reserved.
*
* Contributor(s): Joachim Kuebart
*
* 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 gTestfile = 'regress-384412.js';
//-----------------------------------------------------------------------------
var BUGNUMBER = 384412;
var summary = 'Exercise frame handling code';
var actual = '';
var expect = '';
//-----------------------------------------------------------------------------
test();
//-----------------------------------------------------------------------------
function test()
{
enterFunc ('test');
printBugNumber(BUGNUMBER);
printStatus (summary);
/*
* Generators
*/
/* Generator yields properly */
f = (function(n) { for (var i = 0; i != n; i++) yield i });
g = f(3);
expect(0, g.next());
expect(1, g.next());
expect(2, g.next());
s = "no exception";
try { g.next(); } catch (e) { s = e + ""; }
expect("[object StopIteration]", s);
/* Generator yields properly in finally */
f = (function(n) {
try {
for (var i = 0; i != n; i++)
yield i;
} finally {
yield "finally";
}
});
g = f(3);
expect(0, g.next());
expect(1, g.next());
expect(2, g.next());
expect("finally", g.next());
/* Generator throws when closed with yield in finally */
g = f(3);
expect(0, g.next());
s = "no exception";
try { g.close(); } catch (e) { s = e + ""; };
expect("TypeError: yield from closing generator " + f.toSource(), s);
/*
* XML predicates
*/
t = <xml><eins><name>ich</name></eins><eins><name>joki</name></eins></xml>;
/* Predicates, nested predicates and empty lists */
expect(<eins><name>joki</name></eins>, t.eins.(name == "joki"));
expect(t.eins, t.eins.(t.eins.(true)));
expect(t.(false), t.eins.(false).(true));
/* Predicate with yield throws */
f = (function() { t.eins.(yield true); });
g = f();
s = "no exception";
try { g.next(); } catch (e) { s = e + ""; }
expect("no exception", s);
/* Function with predicate without return returns void */
f = (function() { t.eins.(true); });
expect(undefined, f());
/* XML filter predicate in finally preserves return value */
f = (function() {
try {
return "hallo";
} finally {
t.eins.(true);
}
});
expect("hallo", f());
/*
* Calls that have been replaced with js_PushFrame() &c...
*/
f = (function() { return arguments[(arguments.length - 1) / 2]; });
expect(2, f(1, 2, 3));
expect(2, f.call(null, 1, 2, 3));
expect(2, f.apply(null, [1, 2, 3]));
expect("a1c", "abc".replace("b", f));
s = "no exception";
try {
"abc".replace("b", (function() { throw "hello" }));
} catch (e) {
s = e + "";
}
expect("hello", s);
expect(6, [1, 2, 3].reduce(function(a, b) { return a + b; }));
s = "no exception";
try {
[1, 2, 3].reduce(function(a, b) { if (b == 2) throw "hello"; });
} catch (e) {
s = e + "";
}
expect("hello", s);
/*
* __noSuchMethod__
*/
o = {};
s = "no exception";
try {
o.hello();
} catch (e) {
s = e + "";
}
expect("TypeError: o.hello is not a function", s);
o.__noSuchMethod__ = (function() { return "world"; });
expect("world", o.hello());
o.__noSuchMethod__ = 1;
s = "no exception";
try {
o.hello();
} catch (e) {
s = e + "";
}
expect("TypeError: o.hello is not a function", s);
o.__noSuchMethod__ = {};
s = "no exception";
try {
o.hello();
} catch (e) {
s = e + "";
}
expect("TypeError: o.hello() is not a function", s);
s = "no exception";
try {
eval("o.hello()");
} catch (e) {
s = e + "";
}
expect("TypeError: o.hello() is not a function", s);
s = "no exception";
try { [2, 3, 0].sort({}); } catch (e) { s = e + ""; }
expect("TypeError: [2, 3, 0].sort({}) is not a function", s);
/*
* Generator expressions.
*/
String.prototype.__iterator__ = (function () {
/*
* NOTE:
* Without the "0 + ", the loop over <x/> does not terminate because
* the iterator gets run on a string with an empty length property.
*/
for (let i = 0; i != 0 + this.length; i++)
yield this[i];
});
expect(["a1", "a2", "a3", "b1", "b2", "b3", "c1", "c2", "c3"] + "",
([a + b for (a in 'abc') for (b in '123')]) + "");
expect("", ([x for (x in <x/>)]) + "");
/*
* Version switching
*/
if (typeof version == 'function')
{
var v = version(150);
f = new Function("return version(arguments[0])");
version(v);
expect(150, f());
expect(150, eval("f()"));
expect(0, eval("f(0); f()"));
version(v);
}
print("End of Tests");
/*
* Utility functions
*/
function expect(a, b) {
print('expect: ' + a + ', actual: ' + b);
reportCompare(a, b, summary);
}
exitFunc ('test');
}