31004: Function test for xfm:log

Documentation

Tests of function xfm:log The test cases below are taken from the w3c XPath 3.1 test suite at https://dev.w3.org/cvsweb/2011/QT3-test-suite/math/.

Owners

Name	Affiliation	Email	Start	End
Harald Schmitt	ABZ Reporting GmbH	harald.schmitt@abz-reporting.com	29-10-2018 at 00:00:00

References

https://www.w3.org/TR/xpath-functions-31/#func-math-log

https://dev.w3.org/cvsweb/2011/QT3-test-suite/math/

Test Case Variations

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V-01 Evaluate the function xfm:log() with the argument ()

Documentation

Inputs

• schema: http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd (DTS Discovery starting point) (ID=V01)
• Function Call: xfm:log(())
  
  (against file V01)

Outputs

• Result test: empty($result)

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V-02 Evaluate the function xfm:log() with the argument 0

Documentation

Inputs

• schema: http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd (DTS Discovery starting point) (ID=V02)
• Function Call: xfm:log(0)
  
  (against file V02)

Outputs

• Result test: $result eq xs:double('-INF')

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V-03 Evaluate the function log() with the argument set to xfm:exp(1)

Documentation

Inputs

• schema: http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd (DTS Discovery starting point) (ID=V03)
• Function Call: xfm:log(xfm:exp(1))
  
  (against file V03)

Outputs

• Result test: $result eq 1.0e0

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V-04 Evaluate the function log() with the argument set to 1.0e-3

Documentation

Inputs

• schema: http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd (DTS Discovery starting point) (ID=V04)
• Function Call: xfm:log(1.0e-3)
  
  (against file V04)

Outputs

• Result test: $result eq -6.907755278982137e0

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V-05 Evaluate the function log() with the argument set to 2

Documentation

Inputs

• schema: http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd (DTS Discovery starting point) (ID=V05)
• Function Call: xfm:log(2)
  
  (against file V05)

Outputs

• Result test: $result eq 0.6931471805599453e0

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V-06 Evaluate the function log() with the argument set to -1

Documentation

Inputs

• schema: http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd (DTS Discovery starting point) (ID=V06)
• Function Call: xfm:log(-1)
  
  (against file V06)

Outputs

• Result test: string($result) eq 'NaN'

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V-07 Evaluate the function log() with the argument set to xs:double('NaN')

Documentation

Inputs

• schema: http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd (DTS Discovery starting point) (ID=V07)
• Function Call: xfm:log(xs:double('NaN'))
  
  (against file V07)

Outputs

• Result test: string($result) eq 'NaN'

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V-08 Evaluate the function xfm:log() with the argument xs:double('INF')

Documentation

Inputs

• schema: http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd (DTS Discovery starting point) (ID=V08)
• Function Call: xfm:log(xs:double('INF'))
  
  (against file V08)

Outputs

• Result test: $result eq xs:double('INF')

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V-09 Evaluate the function xfm:log() with the argument xs:double('-INF')

Documentation

Inputs

• schema: http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd (DTS Discovery starting point) (ID=V09)
• Function Call: xfm:log(xs:double('-INF'))
  
  (against file V09)

Outputs

• Result test: string($result) eq 'NaN'

Revisions

Name	On	Details
Harald Schmitt	29-10-2018 at 00:00:00	Created the test case.