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This test was probably intended to be <test>format-number(1e0 div 0e0,'#############')</test> since (decimal) 1.0 div 0.0 is an error, not NaN. <test-case name="numberformatNaN"> <description> Creator: Zhen Hua Liu Purpose: NaN input from 1.0 div 0.0. </description> <created by="Zhen Hua Liu" on="2012-01-18"/> <environment/> <test>format-number(1.0 div 0.0,'#############')</test> <result> <assert-string-value>NaN</assert-string-value> </result> </test-case>
The test appears to have been fixed at around the time this bug was raised. Marking as resolved.
Confirmed fixed.