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Bug #4781

closed

Higher-order functions: No failure reported when supplied function doesn't match required signature

Added by Michael Kay over 3 years ago. Updated about 3 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Michael Kay
Category:
XPath Conformance
Sprint/Milestone:
-
Start date:
2020-10-05
Due date:
% Done:

100%

Estimated time:
Applies to JS Branch:
2
Fix Committed on JS Branch:
2
Fixed in JS Release:
Saxon-JS 2.1
SEF Generated with:
Platforms:
Company:
-
Contact person:
-
Additional contact persons:
-

Description

XSLT3 Test case higher-order-functions-060 is failing. No error is reported when the function fn:string-length#1 is passed to an argument whose expected type is function(xs:string) as xs:string.

The cause of the problem is that the evaluate() method of XdmFunction.CoercedFunction checks and converts the supplied arguments, but applies no checking to the result.

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