Source code
Revision control
Copy as Markdown
Other Tools
/*
* Any copyright is dedicated to the Public Domain.
*/
var BUGNUMBER = 645464;
var summary =
"[[DefaultValue]] behavior wrong for String with overridden valueOf/toString";
print(BUGNUMBER + ": " + summary);
/**************
* BEGIN TEST *
**************/
// equality
var s = new String("c");
assertEq(s == "c", true);
var s2 = new String();
s2.valueOf = function() { return "foo"; };
assertEq(s2 == "foo", true);
var s3 = new String();
s3.toString = function() { return "bar"; };
assertEq(s3 == "", true);
function testEquality()
{
var s = new String("c");
assertEq(s == "c", true);
var s2 = new String();
s2.valueOf = function() { return "foo"; };
assertEq(s2 == "foo", true);
var s3 = new String();
s3.toString = function() { return "bar"; };
assertEq(s3 == "", true);
}
testEquality();
// addition of String to string
var s = new String();
assertEq(s + "", "");
var s2 = new String();
s2.toString = function() { return "bar"; };
assertEq(s2 + "", "");
var s3 = new String();
s3.valueOf = function() { return "baz"; };
assertEq(s3 + "", "baz");
function testStringAddition()
{
var s = new String();
assertEq(s + "", "");
var s2 = new String();
s2.toString = function() { return "bar"; };
assertEq(s2 + "", "");
var s3 = new String();
s3.valueOf = function() { return "baz"; };
assertEq(s3 + "", "baz");
}
testStringAddition();
// addition of String to String
var s = new String();
assertEq(s + s, "");
var s2 = new String();
s2.toString = function() { return "baz"; };
assertEq(s2 + s2, "");
var s3 = new String();
s3.valueOf = function() { return "quux"; };
assertEq(s3 + s3, "quuxquux");
function testNonStringAddition()
{
var s = new String();
assertEq(s + s, "");
var s2 = new String();
s2.toString = function() { return "baz"; };
assertEq(s2 + s2, "");
var s3 = new String();
s3.valueOf = function() { return "quux"; };
assertEq(s3 + s3, "quuxquux");
}
testNonStringAddition();
// String as bracketed property name
var obj = { primitive: 17, valueOf: 42, toString: 8675309 };
var s = new String("primitive");
assertEq(obj[s], 17);
var s2 = new String("primitive");
s2.valueOf = function() { return "valueOf"; }
assertEq(obj[s2], 17);
var s3 = new String("primitive");
s3.toString = function() { return "toString"; };
assertEq(obj[s3], 8675309);
function testPropertyNameToString()
{
var obj = { primitive: 17, valueOf: 42, toString: 8675309 };
var s = new String("primitive");
assertEq(obj[s], 17);
var s2 = new String("primitive");
s2.valueOf = function() { return "valueOf"; }
assertEq(obj[s2], 17);
var s3 = new String("primitive");
s3.toString = function() { return "toString"; };
assertEq(obj[s3], 8675309);
}
testPropertyNameToString();
// String as property name with |in| operator
var s = new String();
assertEq(s in { "": 5 }, true);
var s2 = new String();
s.toString = function() { return "baz"; };
assertEq(s in { baz: 42 }, true);
var s3 = new String();
s3.valueOf = function() { return "quux"; };
assertEq(s3 in { "": 17 }, true);
function testInOperatorName()
{
var s = new String();
assertEq(s in { "": 5 }, true);
var s2 = new String();
s.toString = function() { return "baz"; };
assertEq(s in { baz: 42 }, true);
var s3 = new String();
s3.valueOf = function() { return "quux"; };
assertEq(s3 in { "": 17 }, true);
}
testInOperatorName();
/******************************************************************************/
if (typeof reportCompare === "function")
reportCompare(true, true);
print("All tests passed!");