Vitaly
42 lines
1.1 KiB
Kotlin
Vendored
42 lines
1.1 KiB
Kotlin
Vendored
// IGNORE_BACKEND: JS_IR
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// IGNORE_BACKEND: JS_IR_ES6
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// TODO: muted automatically, investigate should it be ran for JS or not
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// IGNORE_BACKEND: JS
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// WITH_RUNTIME
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fun fn0() {}
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fun fn1(x: Any) {}
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inline fun safeAsReturnsNull(operation: String, cast: () -> Any?) {
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try {
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val x = cast()
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assert(x == null) { "$operation: should return null, got $x" }
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}
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catch (e: Throwable) {
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throw AssertionError("$operation: should not throw exceptions, got $e")
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}
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}
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inline fun safeAsReturnsNonNull(operation: String, cast: () -> Any?) {
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try {
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val x = cast()
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assert(x != null) { "$operation: should return non-null" }
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}
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catch (e: Throwable) {
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throw AssertionError("$operation: should not throw exceptions, got $e")
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}
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}
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fun box(): String {
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val f0 = ::fn0 as Any
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val f1 = ::fn1 as Any
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safeAsReturnsNonNull("f0 as? Function0<*>") { f0 as? Function0<*> }
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safeAsReturnsNull("f0 as? Function1<*, *>") { f0 as? Function1<*, *> }
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safeAsReturnsNull("f1 as? Function0<*>") { f1 as? Function0<*> }
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safeAsReturnsNonNull("f1 as? Function1<*, *>") { f1 as? Function1<*, *> }
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return "OK"
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}
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