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kotlin-fork/compiler/testData/diagnostics/tests/when/NonExhaustiveWarning.kt
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2021-07-21 17:53:05 +03:00

26 lines
981 B
Kotlin
Vendored

// FIR_IDENTICAL
// LANGUAGE: +WarnAboutNonExhaustiveWhenOnAlgebraicTypes
/*
* KOTLIN DIAGNOSTICS SPEC TEST (NEGATIVE)
*
* SPEC VERSION: 0.1-152
* PRIMARY LINKS: expressions, when-expression -> paragraph 5 -> sentence 1
* expressions, when-expression, exhaustive-when-expressions -> paragraph 1 -> sentence 1
* expressions, when-expression, exhaustive-when-expressions -> paragraph 2 -> sentence 9
* expressions, when-expression -> paragraph 9 -> sentence 2
* control--and-data-flow-analysis, performing-analysis-on-the-control-flow-graph, variable-initialization-analysis -> paragraph 2 -> sentence 1
* control--and-data-flow-analysis, performing-analysis-on-the-control-flow-graph, variable-initialization-analysis -> paragraph 2 -> sentence 3
*/
// Base for KT-6227
enum class X { A, B, C, D }
fun foo(arg: X): String {
var res = "XXX"
<!NON_EXHAUSTIVE_WHEN_STATEMENT!>when<!> (arg) {
X.A -> res = "A"
X.B -> res = "B"
}
return res
}