Dmitriy Novozhilov
21 lines
724 B
Kotlin
Vendored
21 lines
724 B
Kotlin
Vendored
fun <T> assertEquals(a: T, b: T) {
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if (a != b) throw AssertionError("$a != $b")
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}
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fun main() {
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val bytePos = 128.toByte() // Byte.MAX_VALUE + 1
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assertEquals(-128, bytePos.toInt()) // correct, wrapped to Byte.MIN_VALUE
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val byteNeg: Byte = -bytePos // should not compile, byteNeg should be Int
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assertEquals(128, byteNeg.toInt()) // passes, should not be possible
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val shortPos = 32768.toShort() // Short.MAX_VALUE + 1
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assertEquals(-32768, shortPos.toInt()) // correct, wrapped to Short.MIN_VALUE
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val shortNeg: Short = -shortPos // should not compile, shortNeg should be Int
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assertEquals(32768, shortNeg.toInt()) // passes, should not be possible
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(-128).toByte()
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-128.toByte()
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}
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