[RFC] Fix sun/tools/jrunscriptTest.sh test

[Omair Majid]

Hi,

The sun/tools/jrunscriptTest.sh test checks if the javascript 
interpreter works properly. This test passes if there is no javascript 
support in the current JDK. Otherwise, it checks that jrunscript works 
properly and the expected output matches the actual output. The issue is 
that the output varies depending on the version of Rhino [1]. The 
bundled version of rhino with Sun's JDK produces slightly different 
output than the latest upstream version of rhino: 'i = 2 + 5' evaluates 
to '7' using Rhino 1.7R2 and to '7.0' with the version of rhino bundled 
with Sun's JDK. Simply changing the expected output will cause the test 
to fail with one or the other JDK.

The attached patch replaces jrunscriptTest.sh with Testjrunscript.java. 
This test parses the output produced by jrunscript and converts all 
numbers to doubles to try to match them. This should make the test pass 
with older and newer versions of rhino and should be ok for upstream 
inclusion.

Any objections/suggestions/fixes?

Cheers,
Omair

[1] http://www.mozilla.org/rhino/
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