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kotlin-fork/compiler/testData/diagnostics/tests/when/ExhaustiveBooleanComplex.kt
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2021-10-21 19:39:36 +03:00

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Kotlin
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// FIR_IDENTICAL
// !LANGUAGE: +ProhibitSimplificationOfNonTrivialConstBooleanExpressions
/*
* KOTLIN DIAGNOSTICS SPEC TEST (NEGATIVE)
*
* SPEC VERSION: 0.1-313
* PRIMARY LINKS: expressions, when-expression -> paragraph 5 -> sentence 1
* expressions, when-expression, exhaustive-when-expressions -> paragraph 2 -> sentence 3
* expressions, when-expression, exhaustive-when-expressions -> paragraph 2 -> sentence 4
* expressions, when-expression, exhaustive-when-expressions -> paragraph 2 -> sentence 5
*/
// See also: KT-3743
fun foo(arg: Boolean): String {
// Must be exhaustive
return <!NO_ELSE_IN_WHEN!>when<!>(arg) {
(2 == 2) -> "truth"
(2 == 1) -> "falsehood"
}
}