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added test for NaN in SubstringFn

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jez_higgins 2005-08-07 20:11:43 +00:00
parent 5b8fa13481
commit adbe375297
1 changed files with 1 additions and 1 deletions
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2
XPath/impl/xpath_function.hpp
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@ -325,7 +325,7 @@ public:
double startAt = roundNumber(argAsNumber(1, context, executionContext)) - 1;
double endAt = roundNumber((argCount() == 3 ? argAsNumber(2, context, executionContext) : Infinity)) + startAt;
if((endAt < 0) || (endAt < startAt))
if((endAt < 0) || (endAt < startAt) || (isNaN(endAt)))
return new StringValue("");
if(startAt < 0)