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When expression is not covered for an enum with single element in Kotlin #1748

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shanshin opened this issue Oct 15, 2024 · 0 comments · May be fixed by #1756
Open

When expression is not covered for an enum with single element in Kotlin #1748

shanshin opened this issue Oct 15, 2024 · 0 comments · May be fixed by #1756
Assignees
@Godin
Labels
component: core.filters language: Kotlin type: bug 🐛 Something isn't working
Milestone
0.8.14

Comments

@shanshin
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For the following src/Example.kt

enum class SingleEnum {
    First
}



fun testEnum(p: SingleEnum) = when (p) {
    SingleEnum.First -> 1
}

fun main() {
    testEnum(SingleEnum.First)
}

execution of

kotlin-2.0.21/bin/kotlinc src -d classes
java -javaagent:jacoco-0.8.13-SNAPSHOT/lib/jacocoagent.jar -cp classes:kotlin-2.0.21/lib/kotlin-stdlib.jar ExampleKt
java -jar jacoco-0.8.13-SNAPSHOT/lib/jacococli.jar report jacoco.exec --classfiles classes --sourcefiles src --html report

produces report
Screenshot 2024-10-15 at 17 46 16
Screenshot 2024-10-15 at 17 46 23

Expected behaviour

All lines of when expression should be fully covered as single enum element was passed

Environment

  • JaCoCo version: actual master branch built locally
  • Kotlin 2.0.21
  • Operating system: MacOS 15
  • Tool integration: CLI
@shanshin shanshin added the type: bug 🐛 Something isn't working label Oct 15, 2024
@Godin Godin added this to Filtering Oct 15, 2024
@github-project-automation github-project-automation bot moved this to Awaiting triage in Filtering Oct 15, 2024
@Godin Godin self-assigned this Oct 15, 2024
@Godin Godin moved this from Awaiting triage to To Do in Filtering Oct 15, 2024
@Godin Godin linked a pull request Oct 17, 2024 that will close this issue
Draft
@Godin Godin added this to the 0.8.13 milestone Oct 17, 2024
@Godin Godin moved this from To Do to In Progress in Filtering Oct 17, 2024
@Godin Godin modified the milestones: 0.8.13, 0.8.14 Apr 1, 2025
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Assignees

@Godin Godin

Labels
component: core.filters language: Kotlin type: bug 🐛 Something isn't working
Projects
Filtering
Status: In Progress
Milestone
0.8.14
Development

Successfully merging a pull request may close this issue.

KotlinWhenFilter should handle Booleans and nullable sealed classes Godin/jacoco
2 participants
@Godin @shanshin