[Bug 1298] New: LiveConnect - problem setting array elements (applet variables) from JS

[bugzilla-daemon at icedtea.classpath.org]

http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=1298

            Bug ID: 1298
           Summary: LiveConnect - problem setting array elements (applet
                    variables) from JS
    Classification: Unclassified
           Product: IcedTea-Web
           Version: hg
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Plugin
          Assignee: dbhole at redhat.com
          Reporter: jfabriko at redhat.com
                CC: unassigned at icedtea.classpath.org

Created attachment 823
  --> http://icedtea.classpath.org/bugzilla/attachment.cgi?id=823&action=edit
HTML page, jnlp and applet code attached.

When setting value of an element of applets array from JavaScript, the value on
Java side remains on its previous value (tests
AppletJSToJSet_intArrayElement_Test and AppletJSToJSet_DoubleArrayElement_Test
in the reproducer
http://icedtea.classpath.org/hg/icedtea-web/file/fd01cd1c2bbc/tests/reproducers/simple/JSToJSet).

JavaScript code:

        var applet = document.getElementById('jstojSetApplet');
        applet._intArray[0]=1;
        applet._DoubleArray[0]=1.1;

Java applet: has two arrays 

    public int[] _intArray = new int[1];
    public Double[] _DoubleArray = new Double[10];

When the applet prints out new values of _intArray[0] and _DoubleArray[0], the
output is 0 and null, but should be 1 and 1.1 (Opera 12.01).

Error: Trying to add unsupported property on NPObject! occurs in Firefox 16.0.2
on this line of JS code: applet._intArray[0]=1;

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