Ilya Kirillov
37 lines
986 B
Kotlin
Vendored
37 lines
986 B
Kotlin
Vendored
package a
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interface A
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fun doList(l: List<Int>) = l
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fun doInt(i: Int) = i
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fun getList(): List<Int>? = null
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fun <T> strangeList(f: (T) -> Unit): List<T> = throw Exception("$f")
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fun <T: A> emptyListOfA(): List<T> = throw Exception()
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//-------------------------------
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fun testElvis(a: Int?, b: Int?) {
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if (a != null) {
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doInt(b ?: a)
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}
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<!INFERRED_TYPE_VARIABLE_INTO_POSSIBLE_EMPTY_INTERSECTION("T; a.A, kotlin.Int; final class and interface")!>doList<!>(getList() ?: emptyListOfA()) //should be an error
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doList(getList() ?: strangeList { doInt(it) }) //lambda was not analyzed
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}
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fun testDataFlowInfo1(a: Int?, b: Int?) {
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val c: Int = a ?: b!!
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doInt(c)
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// b is nullable if a != null
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b <!UNSAFE_OPERATOR_CALL!>+<!> 1
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}
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fun testDataFlowInfo2(a: Int?, b: Int?) {
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doInt(a ?: b!!)
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// b is nullable if a != null
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b <!UNSAFE_OPERATOR_CALL!>+<!> 1
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}
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fun testTypeMismatch(a: String?, b: Any) {
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doInt(<!ARGUMENT_TYPE_MISMATCH!>a ?: b<!>)
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}
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