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Hard-coding the expected value for Error.length in Rhino vs. SpiderMonkey

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git-svn-id: svn://10.0.0.236/trunk@114577 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
pschwartau%netscape.com
2002-02-15 06:31:41 +00:00
parent 8d106f2a2a
commit 37a12a3213
1 changed files with 15 additions and 22 deletions
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37
mozilla/js/tests/js1_5/Exceptions/regress-123002.js
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@@ -39,9 +39,8 @@
* See http://bugzilla.mozilla.org/show_bug.cgi?id=123002
*
* NOTE: Error.length should equal the length of FormalParameterList of the
* Error constructor. In this test, we try to detect the length of this list.
* Error constructor. This is currently 1 in Rhino, 3 in SpiderMonkey.
*
* NOTE: As of this writing, Rhino differs from SpiderMonkey in this respect.
* The difference is due to http://bugzilla.mozilla.org/show_bug.cgi?id=50447.
* As a result of that bug, SpiderMonkey has extended ECMA to allow two new
* parameters to Error constructors:
@@ -49,12 +48,14 @@
* Rhino: new Error (message)
* SpiderMonkey: new Error (message, fileName, lineNumber)
*
* NOTE: since we have hard-coded the length expectations, this testcase will
* have to be changed if the Error FormalParameterList is ever changed again.
*
* Assuming we have written our function getFormalParameterCount() correctly,
* this test should pass in both implementations -
*
* To do this, just change the two LENGTH constants below -
*/
//-----------------------------------------------------------------------------
var LENGTH_RHINO = 1;
var LENGTH_SPIDERMONKEY = 3;
var UBound = 0;
var bug = 123002;
var summary = 'Testing Error.length';
@@ -67,11 +68,18 @@ var expect= '';
var expectedvalues = [];
/*
* Are we in Rhino or SpiderMonkey?
*/
var java = eval('java');
var inRhino = java? true : false;
var LENGTH_EXPECTED = inRhino? LENGTH_RHINO : LENGTH_SPIDERMONKEY;
/*
* The various NativeError objects; see ECMA-262 Edition 3, Section 15.11.6
*/
var errObjects = [new Error(), new EvalError(), new RangeError(),
new ReferenceError(), new SyntaxError(), new TypeError(), new URIError()];
new ReferenceError(), new SyntaxError(), new TypeError(), new URIError()];
for (var i in errObjects)
@@ -79,7 +87,7 @@ for (var i in errObjects)
var err = errObjects[i];
status = inSection(quoteThis(err.name));
actual = Error.length;
expect = getFormalParameterCount(err);
expect = LENGTH_EXPECTED;
addThis();
}
@@ -91,21 +99,6 @@ test();
/*
* The Error prototype object has a name property (ECMA Section 15.11.7.9)
* All other properties of error objects derive from the FormalParameterList
* of the NativeError constructor. So we can deduce this list's length...
*/
function getFormalParameterCount(errObject)
{
var i = 0;
for (var prop in errObject)
i++;
return i-1;
}
function addThis()
{
statusitems[UBound] = status;