Pavel Punegov
40 lines
717 B
Kotlin
40 lines
717 B
Kotlin
package codegen.basics.unchecked_cast3
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import kotlin.test.*
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@Test
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fun runTest() {
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testCast<TestKlass>(TestKlass(), true)
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testCast<TestKlass>(null, false)
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testCastToNullable<TestKlass>(null, true)
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println("Ok")
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}
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class TestKlass
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fun ensure(b: Boolean) {
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if (!b) {
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println("Error")
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}
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}
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fun <T : Any> testCast(x: Any?, expectSuccess: Boolean) {
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try {
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x as T
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} catch (e: Throwable) {
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ensure(!expectSuccess)
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return
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}
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ensure(expectSuccess)
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}
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fun <T : Any> testCastToNullable(x: Any?, expectSuccess: Boolean) {
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try {
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x as T?
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} catch (e: Throwable) {
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ensure(!expectSuccess)
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return
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}
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ensure(expectSuccess)
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} |