Dmitry Savvinov
32 lines
753 B
Kotlin
Vendored
32 lines
753 B
Kotlin
Vendored
// !LANGUAGE: +AllowContractsForCustomFunctions +UseReturnsEffect
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// !USE_EXPERIMENTAL: kotlin.contracts.ExperimentalContracts
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// !DIAGNOSTICS: -INVISIBLE_REFERENCE -INVISIBLE_MEMBER
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import kotlin.contracts.*
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// ===== Definitions ====
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fun isString(x: Any?): Boolean {
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contract {
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returns(true) implies (x is String)
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}
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return x is String
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}
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// ==== Actual tests =======
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fun implicitAlwaysFalse(x: Any?) {
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if (isString(x) && !isString(x)) {
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<!DEBUG_INFO_SMARTCAST!>x<!>.length
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}
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else {
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x.<!UNRESOLVED_REFERENCE!>length<!>
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}
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}
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fun implicitAlwaysFalseSpilling(x: Any?) {
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if (isString(x) && !isString(x)) {
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<!DEBUG_INFO_SMARTCAST!>x<!>.length
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}
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x.<!UNRESOLVED_REFERENCE!>length<!>
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} |