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[FEEL/DMN] A unary-test expression with ? returns null instead of true/false #26054

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saig0 opened this issue Dec 13, 2024 · 0 comments · May be fixed by camunda/feel-scala#959
Open

[FEEL/DMN] A unary-test expression with ? returns null instead of true/false #26054

saig0 opened this issue Dec 13, 2024 · 0 comments · May be fixed by camunda/feel-scala#959
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area/dmn Related to the DMN engine or specification area/feel Related to the FEEL engine or specification component/feel-scala Related to the FEEL-Scala engine kind/bug Categorizes an issue or PR as a bug regression This issue is a recession from previous functionality support Marks an issue as related to a customer support request

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@saig0
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saig0 commented Dec 13, 2024

Describe the bug

In a DMN decision table, I have the following unary-test expression:

list contains([481, 485, 551, 483], ?)

When the expression is evaluated with the input value 481 or 999, it returns null and the rule doesn't match.

Steps to reproduce

FEEL-Scala Playground

Expected behavior

The expression should return true if the input value is 481. If the input value is 999, it should return false.

In FEEL-JS, the behavior is correct: FEEL-JS Playground.

FEEL-Engine

FEEL-Scala (Runtime, Expressions, DMN)

Environment

  • Camunda Version: 8.6.0+
  • Camunda Version: 7.22.1+
  • FEEL-Scala Version: 1.17.8+, 1.18.0+

Additional context

Related support cases:

🔒 Related Slack discussion
@saig0 saig0 added kind/bug Categorizes an issue or PR as a bug support Marks an issue as related to a customer support request regression This issue is a recession from previous functionality component/feel-scala Related to the FEEL-Scala engine area/feel Related to the FEEL engine or specification area/dmn Related to the DMN engine or specification labels Dec 13, 2024
@saig0 saig0 assigned saig0 and unassigned saig0 Dec 13, 2024
@saig0 saig0 linked a pull request Dec 18, 2024 that will close this issue
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area/dmn Related to the DMN engine or specification area/feel Related to the FEEL engine or specification component/feel-scala Related to the FEEL-Scala engine kind/bug Categorizes an issue or PR as a bug regression This issue is a recession from previous functionality support Marks an issue as related to a customer support request
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fix: A unary-test expression with ? returns true/false camunda/feel-scala
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