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23
24// 15.4 Array Objects
25// (c) 2001 Harri Porten <porten@kde.org>
26
27description(
28'This test checks for regression against <a href="https://bugs.webkit.org/show_bug.cgi?id=4147">4147: Array.toString() and toLocaleString() improvements from KDE KJS</a>.'
29);
30
31// backup
32var backupNumberToString = Number.prototype.toString;
33var backupNumberToLocaleString = Number.prototype.toLocaleString;
34var backupRegExpToString = RegExp.prototype.toString;
35var backupRegExpToLocaleString = RegExp.prototype.toLocaleString;
36
37// change functions
38Number.prototype.toString = function() { return "toString"; }
39Number.prototype.toLocaleString = function() { return "toLocaleString"; }
40RegExp.prototype.toString = function() { return "toString2"; }
41RegExp.prototype.toLocaleString = function() { return "toLocaleString2"; }
42
43// the tests
44shouldBe("[1].toString()", "'1'");
45shouldBe("[1].toLocaleString()", "'toLocaleString'");
46Number.prototype.toLocaleString = "invalid";
47shouldBe("[1].toLocaleString()", "'1'");
48shouldBe("[/r/].toString()", "'toString2'");
49shouldBe("[/r/].toLocaleString()", "'toLocaleString2'");
50RegExp.prototype.toLocaleString = "invalid";
51shouldBe("[/r/].toLocaleString()", "'toString2'");
52
53var caught = false;
54try {
55[{ toString : 0 }].toString();
56} catch (e) {
57caught = true;
58}
59shouldBeTrue("caught");
60
61// restore
62Number.prototype.toString = backupNumberToString;
63Number.prototype.toLocaleString = backupNumberToLocaleString;
64RegExp.prototype.toString = backupRegExpToString;
65RegExp.prototype.toLocaleString = backupRegExpToLocaleString;
66