Files
kotlin-fork/compiler/testData/diagnostics/tests/nullabilityAndSmartCasts/unnecessaryNotNullAssertion.kt
T
2019-03-25 12:17:28 +03:00

24 lines
778 B
Kotlin
Vendored

// !WITH_NEW_INFERENCE
// !DIAGNOSTICS: -UNUSED_PARAMETER, -SENSELESS_COMPARISON, -DEBUG_INFO_SMARTCAST
fun takeNotNull(s: String) {}
fun <T> notNull(): T = TODO()
fun <T> nullable(): T? = null
fun <T> dependOn(x: T) = x
fun test() {
takeNotNull(notNull()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>)
takeNotNull(nullable()!!)
var x: String? = null
takeNotNull(dependOn(x)!!)
takeNotNull(dependOn(dependOn(x))!!)
takeNotNull(dependOn(dependOn(x)!!))
takeNotNull(dependOn(dependOn(x!!)))
if (x != null) {
takeNotNull(dependOn(x)<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>)
takeNotNull(dependOn(dependOn(x))<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>)
takeNotNull(dependOn(dependOn(x)<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>))
}
}